From: Jean-Philippe Bruyère Date: Tue, 19 Mar 2019 18:42:25 +0000 (+0100) Subject: split tests in several exe X-Git-Tag: v0.1-alpha~98 X-Git-Url: https://git.osiis.dedyn.io/?a=commitdiff_plain;h=f0897c4946a1263bddde6cd8abe04bc5a291577d;p=jp%2Fvkvg.git split tests in several exe --- diff --git a/CMakeLists.txt b/CMakeLists.txt index 4e5e45c..fbea596 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -145,22 +145,62 @@ INSTALL(TARGETS vkvg LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) +FUNCTION (buildtest TEST_NAME) + ADD_EXECUTABLE(${PROJECT_NAME}_${TEST_NAME} "tests/${TEST_NAME}.c" ) + TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME}_${TEST_NAME} PRIVATE + ${Vulkan_INCLUDE_DIRS} + ${CMAKE_CURRENT_SOURCE_DIR}/include + ${CMAKE_CURRENT_SOURCE_DIR}/src + ${CMAKE_CURRENT_SOURCE_DIR}/tests/common + ${CMAKE_CURRENT_SOURCE_DIR}/vkh/include + ${CMAKE_CURRENT_SOURCE_DIR}/vkh/src + ) + TARGET_LINK_LIBRARIES(${PROJECT_NAME}_${TEST_NAME} + #${Vulkan_LIBRARIES} + #${GLFW3_LIBRARIES} + #vkh_static + #vkvg + tests_common + ) +ENDFUNCTION (buildtest) + if (GLFW3_FOUND) - #build test app - ADD_EXECUTABLE(${PROJECT_NAME}_test tests/test1.c tests/vkengine.c) - TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME}_test PRIVATE + ADD_LIBRARY("tests_common" STATIC tests/common/vkengine.c tests/common/test.c) + TARGET_INCLUDE_DIRECTORIES(tests_common PRIVATE ${Vulkan_INCLUDE_DIRS} ${CMAKE_CURRENT_SOURCE_DIR}/include ${CMAKE_CURRENT_SOURCE_DIR}/src + ${CMAKE_CURRENT_SOURCE_DIR}/tests/common ${CMAKE_CURRENT_SOURCE_DIR}/vkh/include ${CMAKE_CURRENT_SOURCE_DIR}/vkh/src ) - TARGET_LINK_LIBRARIES(${PROJECT_NAME}_test + TARGET_LINK_LIBRARIES(tests_common ${Vulkan_LIBRARIES} ${GLFW3_LIBRARIES} vkh_static vkvg ) + file(GLOB_RECURSE DATAS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/tests" "tests/data/*") + FOREACH(DATA_FILE ${DATAS}) + GET_FILENAME_COMPONENT(copy-dest-dir ${CMAKE_CURRENT_BINARY_DIR}/${DATA_FILE} DIRECTORY) + SET(copy-output ${CMAKE_CURRENT_BINARY_DIR}/${DATA_FILE}) + ADD_CUSTOM_COMMAND( + OUTPUT ${copy-output} + COMMAND ${CMAKE_COMMAND} -E make_directory ${copy-dest-dir} + COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_CURRENT_SOURCE_DIR}/tests/${DATA_FILE}" "${copy-output}" + COMMENT "Copying ${DATA_FILE} to ${copy-output}" + #DEPENDS ${DATA_FILE} + VERBATIM + ) + ENDFOREACH() + add_custom_target("${PROJECT_NAME}_DataCopy" ALL DEPENDS ${DATAS}) + + #build test apps + file(GLOB TESTS "tests/*.c") + FOREACH(TEST ${TESTS}) + GET_FILENAME_COMPONENT(testname ${TEST} NAME_WE) + buildtest(${testname}) + ENDFOREACH() endif () MESSAGE(STATUS "\n\n--------------------------------------------------------------------------") @@ -178,3 +218,4 @@ ELSE () MESSAGE(STATUS "Surface tiling\t= VK_IMAGE_TILING_LINEAR.") ENDIF () MESSAGE(STATUS "---------------------------------------------------------------------------\n\n") + diff --git a/include/nanosvg.h b/include/nanosvg.h deleted file mode 100644 index 65ba2a7..0000000 --- a/include/nanosvg.h +++ /dev/null @@ -1,2925 +0,0 @@ -/* - * Copyright (c) 2013-14 Mikko Mononen memon@inside.org - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * 3. This notice may not be removed or altered from any source distribution. - * - * The SVG parser is based on Anti-Grain Geometry 2.4 SVG example - * Copyright (C) 2002-2004 Maxim Shemanarev (McSeem) (http://www.antigrain.com/) - * - * Arc calculation code based on canvg (https://code.google.com/p/canvg/) - * - * Bounding box calculation based on http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html - * - */ - -#ifndef NANOSVG_H -#define NANOSVG_H - -#ifdef __cplusplus -extern "C" { -#endif - -// NanoSVG is a simple stupid single-header-file SVG parse. The output of the parser is a list of cubic bezier shapes. -// -// The library suits well for anything from rendering scalable icons in your editor application to prototyping a game. -// -// NanoSVG supports a wide range of SVG features, but something may be missing, feel free to create a pull request! -// -// The shapes in the SVG images are transformed by the viewBox and converted to specified units. -// That is, you should get the same looking data as your designed in your favorite app. -// -// NanoSVG can return the paths in few different units. For example if you want to render an image, you may choose -// to get the paths in pixels, or if you are feeding the data into a CNC-cutter, you may want to use millimeters. -// -// The units passed to NanoVG should be one of: 'px', 'pt', 'pc' 'mm', 'cm', or 'in'. -// DPI (dots-per-inch) controls how the unit conversion is done. -// -// If you don't know or care about the units stuff, "px" and 96 should get you going. - - -/* Example Usage: - // Load - NSVGImage* image; - image = nsvgParseFromFile("test.svg", "px", 96); - printf("size: %f x %f\n", image->width, image->height); - // Use... - for (NSVGshape *shape = image->shapes; shape != NULL; shape = shape->next) { - for (NSVGpath *path = shape->paths; path != NULL; path = path->next) { - for (int i = 0; i < path->npts-1; i += 3) { - float* p = &path->pts[i*2]; - drawCubicBez(p[0],p[1], p[2],p[3], p[4],p[5], p[6],p[7]); - } - } - } - // Delete - nsvgDelete(image); -*/ - -enum NSVGpaintType { - NSVG_PAINT_NONE = 0, - NSVG_PAINT_COLOR = 1, - NSVG_PAINT_LINEAR_GRADIENT = 2, - NSVG_PAINT_RADIAL_GRADIENT = 3 -}; - -enum NSVGspreadType { - NSVG_SPREAD_PAD = 0, - NSVG_SPREAD_REFLECT = 1, - NSVG_SPREAD_REPEAT = 2 -}; - -enum NSVGlineJoin { - NSVG_JOIN_MITER = 0, - NSVG_JOIN_ROUND = 1, - NSVG_JOIN_BEVEL = 2 -}; - -enum NSVGlineCap { - NSVG_CAP_BUTT = 0, - NSVG_CAP_ROUND = 1, - NSVG_CAP_SQUARE = 2 -}; - -enum NSVGfillRule { - NSVG_FILLRULE_NONZERO = 0, - NSVG_FILLRULE_EVENODD = 1 -}; - -enum NSVGflags { - NSVG_FLAGS_VISIBLE = 0x01 -}; - -typedef struct NSVGgradientStop { - unsigned int color; - float offset; -} NSVGgradientStop; - -typedef struct NSVGgradient { - float xform[6]; - char spread; - float fx, fy; - int nstops; - NSVGgradientStop stops[1]; -} NSVGgradient; - -typedef struct NSVGpaint { - char type; - union { - unsigned int color; - NSVGgradient* gradient; - }; -} NSVGpaint; - -typedef struct NSVGpath -{ - float* pts; // Cubic bezier points: x0,y0, [cpx1,cpx1,cpx2,cpy2,x1,y1], ... - int npts; // Total number of bezier points. - char closed; // Flag indicating if shapes should be treated as closed. - float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy]. - struct NSVGpath* next; // Pointer to next path, or NULL if last element. -} NSVGpath; - -typedef struct NSVGshape -{ - char id[64]; // Optional 'id' attr of the shape or its group - NSVGpaint fill; // Fill paint - NSVGpaint stroke; // Stroke paint - float opacity; // Opacity of the shape. - float strokeWidth; // Stroke width (scaled). - float strokeDashOffset; // Stroke dash offset (scaled). - float strokeDashArray[8]; // Stroke dash array (scaled). - char strokeDashCount; // Number of dash values in dash array. - char strokeLineJoin; // Stroke join type. - char strokeLineCap; // Stroke cap type. - float miterLimit; // Miter limit - char fillRule; // Fill rule, see NSVGfillRule. - unsigned char flags; // Logical or of NSVG_FLAGS_* flags - float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy]. - NSVGpath* paths; // Linked list of paths in the image. - struct NSVGshape* next; // Pointer to next shape, or NULL if last element. -} NSVGshape; - -typedef struct NSVGimage -{ - float width; // Width of the image. - float height; // Height of the image. - NSVGshape* shapes; // Linked list of shapes in the image. -} NSVGimage; - -// Parses SVG file from a file, returns SVG image as paths. -NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi); - -// Parses SVG file from a null terminated string, returns SVG image as paths. -// Important note: changes the string. -NSVGimage* nsvgParse(char* input, const char* units, float dpi); - -// Deletes list of paths. -void nsvgDelete(NSVGimage* image); - -#ifdef __cplusplus -} -#endif - -#endif // NANOSVG_H - -#ifdef NANOSVG_IMPLEMENTATION - -#include -#include -#include - -#define NSVG_PI (3.14159265358979323846264338327f) -#define NSVG_KAPPA90 (0.5522847493f) // Length proportional to radius of a cubic bezier handle for 90deg arcs. - -#define NSVG_ALIGN_MIN 0 -#define NSVG_ALIGN_MID 1 -#define NSVG_ALIGN_MAX 2 -#define NSVG_ALIGN_NONE 0 -#define NSVG_ALIGN_MEET 1 -#define NSVG_ALIGN_SLICE 2 - -#define NSVG_NOTUSED(v) do { (void)(1 ? (void)0 : ( (void)(v) ) ); } while(0) -#define NSVG_RGB(r, g, b) (((unsigned int)r) | ((unsigned int)g << 8) | ((unsigned int)b << 16)) - -#ifdef _MSC_VER - #pragma warning (disable: 4996) // Switch off security warnings - #pragma warning (disable: 4100) // Switch off unreferenced formal parameter warnings - #ifdef __cplusplus - #define NSVG_INLINE inline - #else - #define NSVG_INLINE - #endif -#else - #define NSVG_INLINE inline -#endif - - -static int nsvg__isspace(char c) -{ - return strchr(" \t\n\v\f\r", c) != 0; -} - -static int nsvg__isdigit(char c) -{ - return c >= '0' && c <= '9'; -} - -static int nsvg__isnum(char c) -{ - return strchr("0123456789+-.eE", c) != 0; -} - -static NSVG_INLINE float nsvg__minf(float a, float b) { return a < b ? a : b; } -static NSVG_INLINE float nsvg__maxf(float a, float b) { return a > b ? a : b; } - - -// Simple XML parser - -#define NSVG_XML_TAG 1 -#define NSVG_XML_CONTENT 2 -#define NSVG_XML_MAX_ATTRIBS 256 - -static void nsvg__parseContent(char* s, - void (*contentCb)(void* ud, const char* s), - void* ud) -{ - // Trim start white spaces - while (*s && nsvg__isspace(*s)) s++; - if (!*s) return; - - if (contentCb) - (*contentCb)(ud, s); -} - -static void nsvg__parseElement(char* s, - void (*startelCb)(void* ud, const char* el, const char** attr), - void (*endelCb)(void* ud, const char* el), - void* ud) -{ - const char* attr[NSVG_XML_MAX_ATTRIBS]; - int nattr = 0; - char* name; - int start = 0; - int end = 0; - char quote; - - // Skip white space after the '<' - while (*s && nsvg__isspace(*s)) s++; - - // Check if the tag is end tag - if (*s == '/') { - s++; - end = 1; - } else { - start = 1; - } - - // Skip comments, data and preprocessor stuff. - if (!*s || *s == '?' || *s == '!') - return; - - // Get tag name - name = s; - while (*s && !nsvg__isspace(*s)) s++; - if (*s) { *s++ = '\0'; } - - // Get attribs - while (!end && *s && nattr < NSVG_XML_MAX_ATTRIBS-3) { - char* name = NULL; - char* value = NULL; - - // Skip white space before the attrib name - while (*s && nsvg__isspace(*s)) s++; - if (!*s) break; - if (*s == '/') { - end = 1; - break; - } - name = s; - // Find end of the attrib name. - while (*s && !nsvg__isspace(*s) && *s != '=') s++; - if (*s) { *s++ = '\0'; } - // Skip until the beginning of the value. - while (*s && *s != '\"' && *s != '\'') s++; - if (!*s) break; - quote = *s; - s++; - // Store value and find the end of it. - value = s; - while (*s && *s != quote) s++; - if (*s) { *s++ = '\0'; } - - // Store only well formed attributes - if (name && value) { - attr[nattr++] = name; - attr[nattr++] = value; - } - } - - // List terminator - attr[nattr++] = 0; - attr[nattr++] = 0; - - // Call callbacks. - if (start && startelCb) - (*startelCb)(ud, name, attr); - if (end && endelCb) - (*endelCb)(ud, name); -} - -int nsvg__parseXML(char* input, - void (*startelCb)(void* ud, const char* el, const char** attr), - void (*endelCb)(void* ud, const char* el), - void (*contentCb)(void* ud, const char* s), - void* ud) -{ - char* s = input; - char* mark = s; - int state = NSVG_XML_CONTENT; - while (*s) { - if (*s == '<' && state == NSVG_XML_CONTENT) { - // Start of a tag - *s++ = '\0'; - nsvg__parseContent(mark, contentCb, ud); - mark = s; - state = NSVG_XML_TAG; - } else if (*s == '>' && state == NSVG_XML_TAG) { - // Start of a content or new tag. - *s++ = '\0'; - nsvg__parseElement(mark, startelCb, endelCb, ud); - mark = s; - state = NSVG_XML_CONTENT; - } else { - s++; - } - } - - return 1; -} - - -/* Simple SVG parser. */ - -#define NSVG_MAX_ATTR 128 - -enum NSVGgradientUnits { - NSVG_USER_SPACE = 0, - NSVG_OBJECT_SPACE = 1 -}; - -#define NSVG_MAX_DASHES 8 - -enum NSVGunits { - NSVG_UNITS_USER, - NSVG_UNITS_PX, - NSVG_UNITS_PT, - NSVG_UNITS_PC, - NSVG_UNITS_MM, - NSVG_UNITS_CM, - NSVG_UNITS_IN, - NSVG_UNITS_PERCENT, - NSVG_UNITS_EM, - NSVG_UNITS_EX -}; - -typedef struct NSVGcoordinate { - float value; - int units; -} NSVGcoordinate; - -typedef struct NSVGlinearData { - NSVGcoordinate x1, y1, x2, y2; -} NSVGlinearData; - -typedef struct NSVGradialData { - NSVGcoordinate cx, cy, r, fx, fy; -} NSVGradialData; - -typedef struct NSVGgradientData -{ - char id[64]; - char ref[64]; - char type; - union { - NSVGlinearData linear; - NSVGradialData radial; - }; - char spread; - char units; - float xform[6]; - int nstops; - NSVGgradientStop* stops; - struct NSVGgradientData* next; -} NSVGgradientData; - -typedef struct NSVGattrib -{ - char id[64]; - float xform[6]; - unsigned int fillColor; - unsigned int strokeColor; - float opacity; - float fillOpacity; - float strokeOpacity; - char fillGradient[64]; - char strokeGradient[64]; - float strokeWidth; - float strokeDashOffset; - float strokeDashArray[NSVG_MAX_DASHES]; - int strokeDashCount; - char strokeLineJoin; - char strokeLineCap; - float miterLimit; - char fillRule; - float fontSize; - unsigned int stopColor; - float stopOpacity; - float stopOffset; - char hasFill; - char hasStroke; - char visible; -} NSVGattrib; - -typedef struct NSVGparser -{ - NSVGattrib attr[NSVG_MAX_ATTR]; - int attrHead; - float* pts; - int npts; - int cpts; - NSVGpath* plist; - NSVGimage* image; - NSVGgradientData* gradients; - NSVGshape* shapesTail; - float viewMinx, viewMiny, viewWidth, viewHeight; - int alignX, alignY, alignType; - float dpi; - char pathFlag; - char defsFlag; -} NSVGparser; - -static void nsvg__xformIdentity(float* t) -{ - t[0] = 1.0f; t[1] = 0.0f; - t[2] = 0.0f; t[3] = 1.0f; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformSetTranslation(float* t, float tx, float ty) -{ - t[0] = 1.0f; t[1] = 0.0f; - t[2] = 0.0f; t[3] = 1.0f; - t[4] = tx; t[5] = ty; -} - -static void nsvg__xformSetScale(float* t, float sx, float sy) -{ - t[0] = sx; t[1] = 0.0f; - t[2] = 0.0f; t[3] = sy; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformSetSkewX(float* t, float a) -{ - t[0] = 1.0f; t[1] = 0.0f; - t[2] = tanf(a); t[3] = 1.0f; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformSetSkewY(float* t, float a) -{ - t[0] = 1.0f; t[1] = tanf(a); - t[2] = 0.0f; t[3] = 1.0f; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformSetRotation(float* t, float a) -{ - float cs = cosf(a), sn = sinf(a); - t[0] = cs; t[1] = sn; - t[2] = -sn; t[3] = cs; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformMultiply(float* t, float* s) -{ - float t0 = t[0] * s[0] + t[1] * s[2]; - float t2 = t[2] * s[0] + t[3] * s[2]; - float t4 = t[4] * s[0] + t[5] * s[2] + s[4]; - t[1] = t[0] * s[1] + t[1] * s[3]; - t[3] = t[2] * s[1] + t[3] * s[3]; - t[5] = t[4] * s[1] + t[5] * s[3] + s[5]; - t[0] = t0; - t[2] = t2; - t[4] = t4; -} - -static void nsvg__xformInverse(float* inv, float* t) -{ - double invdet, det = (double)t[0] * t[3] - (double)t[2] * t[1]; - if (det > -1e-6 && det < 1e-6) { - nsvg__xformIdentity(t); - return; - } - invdet = 1.0 / det; - inv[0] = (float)(t[3] * invdet); - inv[2] = (float)(-t[2] * invdet); - inv[4] = (float)(((double)t[2] * t[5] - (double)t[3] * t[4]) * invdet); - inv[1] = (float)(-t[1] * invdet); - inv[3] = (float)(t[0] * invdet); - inv[5] = (float)(((double)t[1] * t[4] - (double)t[0] * t[5]) * invdet); -} - -static void nsvg__xformPremultiply(float* t, float* s) -{ - float s2[6]; - memcpy(s2, s, sizeof(float)*6); - nsvg__xformMultiply(s2, t); - memcpy(t, s2, sizeof(float)*6); -} - -static void nsvg__xformPoint(float* dx, float* dy, float x, float y, float* t) -{ - *dx = x*t[0] + y*t[2] + t[4]; - *dy = x*t[1] + y*t[3] + t[5]; -} - -static void nsvg__xformVec(float* dx, float* dy, float x, float y, float* t) -{ - *dx = x*t[0] + y*t[2]; - *dy = x*t[1] + y*t[3]; -} - -#define NSVG_EPSILON (1e-12) - -static int nsvg__ptInBounds(float* pt, float* bounds) -{ - return pt[0] >= bounds[0] && pt[0] <= bounds[2] && pt[1] >= bounds[1] && pt[1] <= bounds[3]; -} - - -static double nsvg__evalBezier(double t, double p0, double p1, double p2, double p3) -{ - double it = 1.0-t; - return it*it*it*p0 + 3.0*it*it*t*p1 + 3.0*it*t*t*p2 + t*t*t*p3; -} - -static void nsvg__curveBounds(float* bounds, float* curve) -{ - int i, j, count; - double roots[2], a, b, c, b2ac, t, v; - float* v0 = &curve[0]; - float* v1 = &curve[2]; - float* v2 = &curve[4]; - float* v3 = &curve[6]; - - // Start the bounding box by end points - bounds[0] = nsvg__minf(v0[0], v3[0]); - bounds[1] = nsvg__minf(v0[1], v3[1]); - bounds[2] = nsvg__maxf(v0[0], v3[0]); - bounds[3] = nsvg__maxf(v0[1], v3[1]); - - // Bezier curve fits inside the convex hull of it's control points. - // If control points are inside the bounds, we're done. - if (nsvg__ptInBounds(v1, bounds) && nsvg__ptInBounds(v2, bounds)) - return; - - // Add bezier curve inflection points in X and Y. - for (i = 0; i < 2; i++) { - a = -3.0 * v0[i] + 9.0 * v1[i] - 9.0 * v2[i] + 3.0 * v3[i]; - b = 6.0 * v0[i] - 12.0 * v1[i] + 6.0 * v2[i]; - c = 3.0 * v1[i] - 3.0 * v0[i]; - count = 0; - if (fabs(a) < NSVG_EPSILON) { - if (fabs(b) > NSVG_EPSILON) { - t = -c / b; - if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) - roots[count++] = t; - } - } else { - b2ac = b*b - 4.0*c*a; - if (b2ac > NSVG_EPSILON) { - t = (-b + sqrt(b2ac)) / (2.0 * a); - if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) - roots[count++] = t; - t = (-b - sqrt(b2ac)) / (2.0 * a); - if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) - roots[count++] = t; - } - } - for (j = 0; j < count; j++) { - v = nsvg__evalBezier(roots[j], v0[i], v1[i], v2[i], v3[i]); - bounds[0+i] = nsvg__minf(bounds[0+i], (float)v); - bounds[2+i] = nsvg__maxf(bounds[2+i], (float)v); - } - } -} - -static NSVGparser* nsvg__createParser() -{ - NSVGparser* p; - p = (NSVGparser*)malloc(sizeof(NSVGparser)); - if (p == NULL) goto error; - memset(p, 0, sizeof(NSVGparser)); - - p->image = (NSVGimage*)malloc(sizeof(NSVGimage)); - if (p->image == NULL) goto error; - memset(p->image, 0, sizeof(NSVGimage)); - - // Init style - nsvg__xformIdentity(p->attr[0].xform); - memset(p->attr[0].id, 0, sizeof p->attr[0].id); - p->attr[0].fillColor = NSVG_RGB(0,0,0); - p->attr[0].strokeColor = NSVG_RGB(0,0,0); - p->attr[0].opacity = 1; - p->attr[0].fillOpacity = 1; - p->attr[0].strokeOpacity = 1; - p->attr[0].stopOpacity = 1; - p->attr[0].strokeWidth = 1; - p->attr[0].strokeLineJoin = NSVG_JOIN_MITER; - p->attr[0].strokeLineCap = NSVG_CAP_BUTT; - p->attr[0].miterLimit = 4; - p->attr[0].fillRule = NSVG_FILLRULE_NONZERO; - p->attr[0].hasFill = 1; - p->attr[0].visible = 1; - - return p; - -error: - if (p) { - if (p->image) free(p->image); - free(p); - } - return NULL; -} - -static void nsvg__deletePaths(NSVGpath* path) -{ - while (path) { - NSVGpath *next = path->next; - if (path->pts != NULL) - free(path->pts); - free(path); - path = next; - } -} - -static void nsvg__deletePaint(NSVGpaint* paint) -{ - if (paint->type == NSVG_PAINT_LINEAR_GRADIENT || paint->type == NSVG_PAINT_RADIAL_GRADIENT) - free(paint->gradient); -} - -static void nsvg__deleteGradientData(NSVGgradientData* grad) -{ - NSVGgradientData* next; - while (grad != NULL) { - next = grad->next; - free(grad->stops); - free(grad); - grad = next; - } -} - -static void nsvg__deleteParser(NSVGparser* p) -{ - if (p != NULL) { - nsvg__deletePaths(p->plist); - nsvg__deleteGradientData(p->gradients); - nsvgDelete(p->image); - free(p->pts); - free(p); - } -} - -static void nsvg__resetPath(NSVGparser* p) -{ - p->npts = 0; -} - -static void nsvg__addPoint(NSVGparser* p, float x, float y) -{ - if (p->npts+1 > p->cpts) { - p->cpts = p->cpts ? p->cpts*2 : 8; - p->pts = (float*)realloc(p->pts, p->cpts*2*sizeof(float)); - if (!p->pts) return; - } - p->pts[p->npts*2+0] = x; - p->pts[p->npts*2+1] = y; - p->npts++; -} - -static void nsvg__moveTo(NSVGparser* p, float x, float y) -{ - if (p->npts > 0) { - p->pts[(p->npts-1)*2+0] = x; - p->pts[(p->npts-1)*2+1] = y; - } else { - nsvg__addPoint(p, x, y); - } -} - -static void nsvg__lineTo(NSVGparser* p, float x, float y) -{ - float px,py, dx,dy; - if (p->npts > 0) { - px = p->pts[(p->npts-1)*2+0]; - py = p->pts[(p->npts-1)*2+1]; - dx = x - px; - dy = y - py; - nsvg__addPoint(p, px + dx/3.0f, py + dy/3.0f); - nsvg__addPoint(p, x - dx/3.0f, y - dy/3.0f); - nsvg__addPoint(p, x, y); - } -} - -static void nsvg__cubicBezTo(NSVGparser* p, float cpx1, float cpy1, float cpx2, float cpy2, float x, float y) -{ - nsvg__addPoint(p, cpx1, cpy1); - nsvg__addPoint(p, cpx2, cpy2); - nsvg__addPoint(p, x, y); -} - -static NSVGattrib* nsvg__getAttr(NSVGparser* p) -{ - return &p->attr[p->attrHead]; -} - -static void nsvg__pushAttr(NSVGparser* p) -{ - if (p->attrHead < NSVG_MAX_ATTR-1) { - p->attrHead++; - memcpy(&p->attr[p->attrHead], &p->attr[p->attrHead-1], sizeof(NSVGattrib)); - } -} - -static void nsvg__popAttr(NSVGparser* p) -{ - if (p->attrHead > 0) - p->attrHead--; -} - -static float nsvg__actualOrigX(NSVGparser* p) -{ - return p->viewMinx; -} - -static float nsvg__actualOrigY(NSVGparser* p) -{ - return p->viewMiny; -} - -static float nsvg__actualWidth(NSVGparser* p) -{ - return p->viewWidth; -} - -static float nsvg__actualHeight(NSVGparser* p) -{ - return p->viewHeight; -} - -static float nsvg__actualLength(NSVGparser* p) -{ - float w = nsvg__actualWidth(p), h = nsvg__actualHeight(p); - return sqrtf(w*w + h*h) / sqrtf(2.0f); -} - -static float nsvg__convertToPixels(NSVGparser* p, NSVGcoordinate c, float orig, float length) -{ - NSVGattrib* attr = nsvg__getAttr(p); - switch (c.units) { - case NSVG_UNITS_USER: return c.value; - case NSVG_UNITS_PX: return c.value; - case NSVG_UNITS_PT: return c.value / 72.0f * p->dpi; - case NSVG_UNITS_PC: return c.value / 6.0f * p->dpi; - case NSVG_UNITS_MM: return c.value / 25.4f * p->dpi; - case NSVG_UNITS_CM: return c.value / 2.54f * p->dpi; - case NSVG_UNITS_IN: return c.value * p->dpi; - case NSVG_UNITS_EM: return c.value * attr->fontSize; - case NSVG_UNITS_EX: return c.value * attr->fontSize * 0.52f; // x-height of Helvetica. - case NSVG_UNITS_PERCENT: return orig + c.value / 100.0f * length; - default: return c.value; - } - return c.value; -} - -static NSVGgradientData* nsvg__findGradientData(NSVGparser* p, const char* id) -{ - NSVGgradientData* grad = p->gradients; - while (grad) { - if (strcmp(grad->id, id) == 0) - return grad; - grad = grad->next; - } - return NULL; -} - -static NSVGgradient* nsvg__createGradient(NSVGparser* p, const char* id, const float* localBounds, char* paintType) -{ - NSVGattrib* attr = nsvg__getAttr(p); - NSVGgradientData* data = NULL; - NSVGgradientData* ref = NULL; - NSVGgradientStop* stops = NULL; - NSVGgradient* grad; - float ox, oy, sw, sh, sl; - int nstops = 0; - - data = nsvg__findGradientData(p, id); - if (data == NULL) return NULL; - - // TODO: use ref to fill in all unset values too. - ref = data; - while (ref != NULL) { - if (stops == NULL && ref->stops != NULL) { - stops = ref->stops; - nstops = ref->nstops; - break; - } - ref = nsvg__findGradientData(p, ref->ref); - } - if (stops == NULL) return NULL; - - grad = (NSVGgradient*)malloc(sizeof(NSVGgradient) + sizeof(NSVGgradientStop)*(nstops-1)); - if (grad == NULL) return NULL; - - // The shape width and height. - if (data->units == NSVG_OBJECT_SPACE) { - ox = localBounds[0]; - oy = localBounds[1]; - sw = localBounds[2] - localBounds[0]; - sh = localBounds[3] - localBounds[1]; - } else { - ox = nsvg__actualOrigX(p); - oy = nsvg__actualOrigY(p); - sw = nsvg__actualWidth(p); - sh = nsvg__actualHeight(p); - } - sl = sqrtf(sw*sw + sh*sh) / sqrtf(2.0f); - - if (data->type == NSVG_PAINT_LINEAR_GRADIENT) { - float x1, y1, x2, y2, dx, dy; - x1 = nsvg__convertToPixels(p, data->linear.x1, ox, sw); - y1 = nsvg__convertToPixels(p, data->linear.y1, oy, sh); - x2 = nsvg__convertToPixels(p, data->linear.x2, ox, sw); - y2 = nsvg__convertToPixels(p, data->linear.y2, oy, sh); - // Calculate transform aligned to the line - dx = x2 - x1; - dy = y2 - y1; - grad->xform[0] = dy; grad->xform[1] = -dx; - grad->xform[2] = dx; grad->xform[3] = dy; - grad->xform[4] = x1; grad->xform[5] = y1; - } else { - float cx, cy, fx, fy, r; - cx = nsvg__convertToPixels(p, data->radial.cx, ox, sw); - cy = nsvg__convertToPixels(p, data->radial.cy, oy, sh); - fx = nsvg__convertToPixels(p, data->radial.fx, ox, sw); - fy = nsvg__convertToPixels(p, data->radial.fy, oy, sh); - r = nsvg__convertToPixels(p, data->radial.r, 0, sl); - // Calculate transform aligned to the circle - grad->xform[0] = r; grad->xform[1] = 0; - grad->xform[2] = 0; grad->xform[3] = r; - grad->xform[4] = cx; grad->xform[5] = cy; - grad->fx = fx / r; - grad->fy = fy / r; - } - - nsvg__xformMultiply(grad->xform, data->xform); - nsvg__xformMultiply(grad->xform, attr->xform); - - grad->spread = data->spread; - memcpy(grad->stops, stops, nstops*sizeof(NSVGgradientStop)); - grad->nstops = nstops; - - *paintType = data->type; - - return grad; -} - -static float nsvg__getAverageScale(float* t) -{ - float sx = sqrtf(t[0]*t[0] + t[2]*t[2]); - float sy = sqrtf(t[1]*t[1] + t[3]*t[3]); - return (sx + sy) * 0.5f; -} - -static void nsvg__getLocalBounds(float* bounds, NSVGshape *shape, float* xform) -{ - NSVGpath* path; - float curve[4*2], curveBounds[4]; - int i, first = 1; - for (path = shape->paths; path != NULL; path = path->next) { - nsvg__xformPoint(&curve[0], &curve[1], path->pts[0], path->pts[1], xform); - for (i = 0; i < path->npts-1; i += 3) { - nsvg__xformPoint(&curve[2], &curve[3], path->pts[(i+1)*2], path->pts[(i+1)*2+1], xform); - nsvg__xformPoint(&curve[4], &curve[5], path->pts[(i+2)*2], path->pts[(i+2)*2+1], xform); - nsvg__xformPoint(&curve[6], &curve[7], path->pts[(i+3)*2], path->pts[(i+3)*2+1], xform); - nsvg__curveBounds(curveBounds, curve); - if (first) { - bounds[0] = curveBounds[0]; - bounds[1] = curveBounds[1]; - bounds[2] = curveBounds[2]; - bounds[3] = curveBounds[3]; - first = 0; - } else { - bounds[0] = nsvg__minf(bounds[0], curveBounds[0]); - bounds[1] = nsvg__minf(bounds[1], curveBounds[1]); - bounds[2] = nsvg__maxf(bounds[2], curveBounds[2]); - bounds[3] = nsvg__maxf(bounds[3], curveBounds[3]); - } - curve[0] = curve[6]; - curve[1] = curve[7]; - } - } -} - -static void nsvg__addShape(NSVGparser* p) -{ - NSVGattrib* attr = nsvg__getAttr(p); - float scale = 1.0f; - NSVGshape* shape; - NSVGpath* path; - int i; - - if (p->plist == NULL) - return; - - shape = (NSVGshape*)malloc(sizeof(NSVGshape)); - if (shape == NULL) goto error; - memset(shape, 0, sizeof(NSVGshape)); - - memcpy(shape->id, attr->id, sizeof shape->id); - scale = nsvg__getAverageScale(attr->xform); - shape->strokeWidth = attr->strokeWidth * scale; - shape->strokeDashOffset = attr->strokeDashOffset * scale; - shape->strokeDashCount = (char)attr->strokeDashCount; - for (i = 0; i < attr->strokeDashCount; i++) - shape->strokeDashArray[i] = attr->strokeDashArray[i] * scale; - shape->strokeLineJoin = attr->strokeLineJoin; - shape->strokeLineCap = attr->strokeLineCap; - shape->miterLimit = attr->miterLimit; - shape->fillRule = attr->fillRule; - shape->opacity = attr->opacity; - - shape->paths = p->plist; - p->plist = NULL; - - // Calculate shape bounds - shape->bounds[0] = shape->paths->bounds[0]; - shape->bounds[1] = shape->paths->bounds[1]; - shape->bounds[2] = shape->paths->bounds[2]; - shape->bounds[3] = shape->paths->bounds[3]; - for (path = shape->paths->next; path != NULL; path = path->next) { - shape->bounds[0] = nsvg__minf(shape->bounds[0], path->bounds[0]); - shape->bounds[1] = nsvg__minf(shape->bounds[1], path->bounds[1]); - shape->bounds[2] = nsvg__maxf(shape->bounds[2], path->bounds[2]); - shape->bounds[3] = nsvg__maxf(shape->bounds[3], path->bounds[3]); - } - - // Set fill - if (attr->hasFill == 0) { - shape->fill.type = NSVG_PAINT_NONE; - } else if (attr->hasFill == 1) { - shape->fill.type = NSVG_PAINT_COLOR; - shape->fill.color = attr->fillColor; - shape->fill.color |= (unsigned int)(attr->fillOpacity*255) << 24; - } else if (attr->hasFill == 2) { - float inv[6], localBounds[4]; - nsvg__xformInverse(inv, attr->xform); - nsvg__getLocalBounds(localBounds, shape, inv); - shape->fill.gradient = nsvg__createGradient(p, attr->fillGradient, localBounds, &shape->fill.type); - if (shape->fill.gradient == NULL) { - shape->fill.type = NSVG_PAINT_NONE; - } - } - - // Set stroke - if (attr->hasStroke == 0) { - shape->stroke.type = NSVG_PAINT_NONE; - } else if (attr->hasStroke == 1) { - shape->stroke.type = NSVG_PAINT_COLOR; - shape->stroke.color = attr->strokeColor; - shape->stroke.color |= (unsigned int)(attr->strokeOpacity*255) << 24; - } else if (attr->hasStroke == 2) { - float inv[6], localBounds[4]; - nsvg__xformInverse(inv, attr->xform); - nsvg__getLocalBounds(localBounds, shape, inv); - shape->stroke.gradient = nsvg__createGradient(p, attr->strokeGradient, localBounds, &shape->stroke.type); - if (shape->stroke.gradient == NULL) - shape->stroke.type = NSVG_PAINT_NONE; - } - - // Set flags - shape->flags = (attr->visible ? NSVG_FLAGS_VISIBLE : 0x00); - - // Add to tail - if (p->image->shapes == NULL) - p->image->shapes = shape; - else - p->shapesTail->next = shape; - p->shapesTail = shape; - - return; - -error: - if (shape) free(shape); -} - -static void nsvg__addPath(NSVGparser* p, char closed) -{ - NSVGattrib* attr = nsvg__getAttr(p); - NSVGpath* path = NULL; - float bounds[4]; - float* curve; - int i; - - if (p->npts < 4) - return; - - if (closed) - nsvg__lineTo(p, p->pts[0], p->pts[1]); - - path = (NSVGpath*)malloc(sizeof(NSVGpath)); - if (path == NULL) goto error; - memset(path, 0, sizeof(NSVGpath)); - - path->pts = (float*)malloc(p->npts*2*sizeof(float)); - if (path->pts == NULL) goto error; - path->closed = closed; - path->npts = p->npts; - - // Transform path. - for (i = 0; i < p->npts; ++i) - nsvg__xformPoint(&path->pts[i*2], &path->pts[i*2+1], p->pts[i*2], p->pts[i*2+1], attr->xform); - - // Find bounds - for (i = 0; i < path->npts-1; i += 3) { - curve = &path->pts[i*2]; - nsvg__curveBounds(bounds, curve); - if (i == 0) { - path->bounds[0] = bounds[0]; - path->bounds[1] = bounds[1]; - path->bounds[2] = bounds[2]; - path->bounds[3] = bounds[3]; - } else { - path->bounds[0] = nsvg__minf(path->bounds[0], bounds[0]); - path->bounds[1] = nsvg__minf(path->bounds[1], bounds[1]); - path->bounds[2] = nsvg__maxf(path->bounds[2], bounds[2]); - path->bounds[3] = nsvg__maxf(path->bounds[3], bounds[3]); - } - } - - path->next = p->plist; - p->plist = path; - - return; - -error: - if (path != NULL) { - if (path->pts != NULL) free(path->pts); - free(path); - } -} - -// We roll our own string to float because the std library one uses locale and messes things up. -static double nsvg__atof(const char* s) -{ - char* cur = (char*)s; - char* end = NULL; - double res = 0.0, sign = 1.0; - long long intPart = 0, fracPart = 0; - char hasIntPart = 0, hasFracPart = 0; - - // Parse optional sign - if (*cur == '+') { - cur++; - } else if (*cur == '-') { - sign = -1; - cur++; - } - - // Parse integer part - if (nsvg__isdigit(*cur)) { - // Parse digit sequence - intPart = (double)strtoll(cur, &end, 10); - if (cur != end) { - res = (double)intPart; - hasIntPart = 1; - cur = end; - } - } - - // Parse fractional part. - if (*cur == '.') { - cur++; // Skip '.' - if (nsvg__isdigit(*cur)) { - // Parse digit sequence - fracPart = strtoll(cur, &end, 10); - if (cur != end) { - res += (double)fracPart / pow(10.0, (double)(end - cur)); - hasFracPart = 1; - cur = end; - } - } - } - - // A valid number should have integer or fractional part. - if (!hasIntPart && !hasFracPart) - return 0.0; - - // Parse optional exponent - if (*cur == 'e' || *cur == 'E') { - int expPart = 0; - cur++; // skip 'E' - expPart = strtol(cur, &end, 10); // Parse digit sequence with sign - if (cur != end) { - res *= pow(10.0, (double)expPart); - } - } - - return res * sign; -} - - -static const char* nsvg__parseNumber(const char* s, char* it, const int size) -{ - const int last = size-1; - int i = 0; - - // sign - if (*s == '-' || *s == '+') { - if (i < last) it[i++] = *s; - s++; - } - // integer part - while (*s && nsvg__isdigit(*s)) { - if (i < last) it[i++] = *s; - s++; - } - if (*s == '.') { - // decimal point - if (i < last) it[i++] = *s; - s++; - // fraction part - while (*s && nsvg__isdigit(*s)) { - if (i < last) it[i++] = *s; - s++; - } - } - // exponent - if (*s == 'e' || *s == 'E') { - if (i < last) it[i++] = *s; - s++; - if (*s == '-' || *s == '+') { - if (i < last) it[i++] = *s; - s++; - } - while (*s && nsvg__isdigit(*s)) { - if (i < last) it[i++] = *s; - s++; - } - } - it[i] = '\0'; - - return s; -} - -static const char* nsvg__getNextPathItem(const char* s, char* it) -{ - it[0] = '\0'; - // Skip white spaces and commas - while (*s && (nsvg__isspace(*s) || *s == ',')) s++; - if (!*s) return s; - if (*s == '-' || *s == '+' || *s == '.' || nsvg__isdigit(*s)) { - s = nsvg__parseNumber(s, it, 64); - } else { - // Parse command - it[0] = *s++; - it[1] = '\0'; - return s; - } - - return s; -} - -static unsigned int nsvg__parseColorHex(const char* str) -{ - unsigned int c = 0, r = 0, g = 0, b = 0; - int n = 0; - str++; // skip # - // Calculate number of characters. - while(str[n] && !nsvg__isspace(str[n])) - n++; - if (n == 6) { - sscanf(str, "%x", &c); - } else if (n == 3) { - sscanf(str, "%x", &c); - c = (c&0xf) | ((c&0xf0) << 4) | ((c&0xf00) << 8); - c |= c<<4; - } - r = (c >> 16) & 0xff; - g = (c >> 8) & 0xff; - b = c & 0xff; - return NSVG_RGB(r,g,b); -} - -static unsigned int nsvg__parseColorRGB(const char* str) -{ - int r = -1, g = -1, b = -1; - char s1[32]="", s2[32]=""; - sscanf(str + 4, "%d%[%%, \t]%d%[%%, \t]%d", &r, s1, &g, s2, &b); - if (strchr(s1, '%')) { - return NSVG_RGB((r*255)/100,(g*255)/100,(b*255)/100); - } else { - return NSVG_RGB(r,g,b); - } -} - -typedef struct NSVGNamedColor { - const char* name; - unsigned int color; -} NSVGNamedColor; - -NSVGNamedColor nsvg__colors[] = { - - { "red", NSVG_RGB(255, 0, 0) }, - { "green", NSVG_RGB( 0, 128, 0) }, - { "blue", NSVG_RGB( 0, 0, 255) }, - { "yellow", NSVG_RGB(255, 255, 0) }, - { "cyan", NSVG_RGB( 0, 255, 255) }, - { "magenta", NSVG_RGB(255, 0, 255) }, - { "black", NSVG_RGB( 0, 0, 0) }, - { "grey", NSVG_RGB(128, 128, 128) }, - { "gray", NSVG_RGB(128, 128, 128) }, - { "white", NSVG_RGB(255, 255, 255) }, - -#ifdef NANOSVG_ALL_COLOR_KEYWORDS - { "aliceblue", NSVG_RGB(240, 248, 255) }, - { "antiquewhite", NSVG_RGB(250, 235, 215) }, - { "aqua", NSVG_RGB( 0, 255, 255) }, - { "aquamarine", NSVG_RGB(127, 255, 212) }, - { "azure", NSVG_RGB(240, 255, 255) }, - { "beige", NSVG_RGB(245, 245, 220) }, - { "bisque", NSVG_RGB(255, 228, 196) }, - { "blanchedalmond", NSVG_RGB(255, 235, 205) }, - { "blueviolet", NSVG_RGB(138, 43, 226) }, - { "brown", NSVG_RGB(165, 42, 42) }, - { "burlywood", NSVG_RGB(222, 184, 135) }, - { "cadetblue", NSVG_RGB( 95, 158, 160) }, - { "chartreuse", NSVG_RGB(127, 255, 0) }, - { "chocolate", NSVG_RGB(210, 105, 30) }, - { "coral", NSVG_RGB(255, 127, 80) }, - { "cornflowerblue", NSVG_RGB(100, 149, 237) }, - { "cornsilk", NSVG_RGB(255, 248, 220) }, - { "crimson", NSVG_RGB(220, 20, 60) }, - { "darkblue", NSVG_RGB( 0, 0, 139) }, - { "darkcyan", NSVG_RGB( 0, 139, 139) }, - { "darkgoldenrod", NSVG_RGB(184, 134, 11) }, - { "darkgray", NSVG_RGB(169, 169, 169) }, - { "darkgreen", NSVG_RGB( 0, 100, 0) }, - { "darkgrey", NSVG_RGB(169, 169, 169) }, - { "darkkhaki", NSVG_RGB(189, 183, 107) }, - { "darkmagenta", NSVG_RGB(139, 0, 139) }, - { "darkolivegreen", NSVG_RGB( 85, 107, 47) }, - { "darkorange", NSVG_RGB(255, 140, 0) }, - { "darkorchid", NSVG_RGB(153, 50, 204) }, - { "darkred", NSVG_RGB(139, 0, 0) }, - { "darksalmon", NSVG_RGB(233, 150, 122) }, - { "darkseagreen", NSVG_RGB(143, 188, 143) }, - { "darkslateblue", NSVG_RGB( 72, 61, 139) }, - { "darkslategray", NSVG_RGB( 47, 79, 79) }, - { "darkslategrey", NSVG_RGB( 47, 79, 79) }, - { "darkturquoise", NSVG_RGB( 0, 206, 209) }, - { "darkviolet", NSVG_RGB(148, 0, 211) }, - { "deeppink", NSVG_RGB(255, 20, 147) }, - { "deepskyblue", NSVG_RGB( 0, 191, 255) }, - { "dimgray", NSVG_RGB(105, 105, 105) }, - { "dimgrey", NSVG_RGB(105, 105, 105) }, - { "dodgerblue", NSVG_RGB( 30, 144, 255) }, - { "firebrick", NSVG_RGB(178, 34, 34) }, - { "floralwhite", NSVG_RGB(255, 250, 240) }, - { "forestgreen", NSVG_RGB( 34, 139, 34) }, - { "fuchsia", NSVG_RGB(255, 0, 255) }, - { "gainsboro", NSVG_RGB(220, 220, 220) }, - { "ghostwhite", NSVG_RGB(248, 248, 255) }, - { "gold", NSVG_RGB(255, 215, 0) }, - { "goldenrod", NSVG_RGB(218, 165, 32) }, - { "greenyellow", NSVG_RGB(173, 255, 47) }, - { "honeydew", NSVG_RGB(240, 255, 240) }, - { "hotpink", NSVG_RGB(255, 105, 180) }, - { "indianred", NSVG_RGB(205, 92, 92) }, - { "indigo", NSVG_RGB( 75, 0, 130) }, - { "ivory", NSVG_RGB(255, 255, 240) }, - { "khaki", NSVG_RGB(240, 230, 140) }, - { "lavender", NSVG_RGB(230, 230, 250) }, - { "lavenderblush", NSVG_RGB(255, 240, 245) }, - { "lawngreen", NSVG_RGB(124, 252, 0) }, - { "lemonchiffon", NSVG_RGB(255, 250, 205) }, - { "lightblue", NSVG_RGB(173, 216, 230) }, - { "lightcoral", NSVG_RGB(240, 128, 128) }, - { "lightcyan", NSVG_RGB(224, 255, 255) }, - { "lightgoldenrodyellow", NSVG_RGB(250, 250, 210) }, - { "lightgray", NSVG_RGB(211, 211, 211) }, - { "lightgreen", NSVG_RGB(144, 238, 144) }, - { "lightgrey", NSVG_RGB(211, 211, 211) }, - { "lightpink", NSVG_RGB(255, 182, 193) }, - { "lightsalmon", NSVG_RGB(255, 160, 122) }, - { "lightseagreen", NSVG_RGB( 32, 178, 170) }, - { "lightskyblue", NSVG_RGB(135, 206, 250) }, - { "lightslategray", NSVG_RGB(119, 136, 153) }, - { "lightslategrey", NSVG_RGB(119, 136, 153) }, - { "lightsteelblue", NSVG_RGB(176, 196, 222) }, - { "lightyellow", NSVG_RGB(255, 255, 224) }, - { "lime", NSVG_RGB( 0, 255, 0) }, - { "limegreen", NSVG_RGB( 50, 205, 50) }, - { "linen", NSVG_RGB(250, 240, 230) }, - { "maroon", NSVG_RGB(128, 0, 0) }, - { "mediumaquamarine", NSVG_RGB(102, 205, 170) }, - { "mediumblue", NSVG_RGB( 0, 0, 205) }, - { "mediumorchid", NSVG_RGB(186, 85, 211) }, - { "mediumpurple", NSVG_RGB(147, 112, 219) }, - { "mediumseagreen", NSVG_RGB( 60, 179, 113) }, - { "mediumslateblue", NSVG_RGB(123, 104, 238) }, - { "mediumspringgreen", NSVG_RGB( 0, 250, 154) }, - { "mediumturquoise", NSVG_RGB( 72, 209, 204) }, - { "mediumvioletred", NSVG_RGB(199, 21, 133) }, - { "midnightblue", NSVG_RGB( 25, 25, 112) }, - { "mintcream", NSVG_RGB(245, 255, 250) }, - { "mistyrose", NSVG_RGB(255, 228, 225) }, - { "moccasin", NSVG_RGB(255, 228, 181) }, - { "navajowhite", NSVG_RGB(255, 222, 173) }, - { "navy", NSVG_RGB( 0, 0, 128) }, - { "oldlace", NSVG_RGB(253, 245, 230) }, - { "olive", NSVG_RGB(128, 128, 0) }, - { "olivedrab", NSVG_RGB(107, 142, 35) }, - { "orange", NSVG_RGB(255, 165, 0) }, - { "orangered", NSVG_RGB(255, 69, 0) }, - { "orchid", NSVG_RGB(218, 112, 214) }, - { "palegoldenrod", NSVG_RGB(238, 232, 170) }, - { "palegreen", NSVG_RGB(152, 251, 152) }, - { "paleturquoise", NSVG_RGB(175, 238, 238) }, - { "palevioletred", NSVG_RGB(219, 112, 147) }, - { "papayawhip", NSVG_RGB(255, 239, 213) }, - { "peachpuff", NSVG_RGB(255, 218, 185) }, - { "peru", NSVG_RGB(205, 133, 63) }, - { "pink", NSVG_RGB(255, 192, 203) }, - { "plum", NSVG_RGB(221, 160, 221) }, - { "powderblue", NSVG_RGB(176, 224, 230) }, - { "purple", NSVG_RGB(128, 0, 128) }, - { "rosybrown", NSVG_RGB(188, 143, 143) }, - { "royalblue", NSVG_RGB( 65, 105, 225) }, - { "saddlebrown", NSVG_RGB(139, 69, 19) }, - { "salmon", NSVG_RGB(250, 128, 114) }, - { "sandybrown", NSVG_RGB(244, 164, 96) }, - { "seagreen", NSVG_RGB( 46, 139, 87) }, - { "seashell", NSVG_RGB(255, 245, 238) }, - { "sienna", NSVG_RGB(160, 82, 45) }, - { "silver", NSVG_RGB(192, 192, 192) }, - { "skyblue", NSVG_RGB(135, 206, 235) }, - { "slateblue", NSVG_RGB(106, 90, 205) }, - { "slategray", NSVG_RGB(112, 128, 144) }, - { "slategrey", NSVG_RGB(112, 128, 144) }, - { "snow", NSVG_RGB(255, 250, 250) }, - { "springgreen", NSVG_RGB( 0, 255, 127) }, - { "steelblue", NSVG_RGB( 70, 130, 180) }, - { "tan", NSVG_RGB(210, 180, 140) }, - { "teal", NSVG_RGB( 0, 128, 128) }, - { "thistle", NSVG_RGB(216, 191, 216) }, - { "tomato", NSVG_RGB(255, 99, 71) }, - { "turquoise", NSVG_RGB( 64, 224, 208) }, - { "violet", NSVG_RGB(238, 130, 238) }, - { "wheat", NSVG_RGB(245, 222, 179) }, - { "whitesmoke", NSVG_RGB(245, 245, 245) }, - { "yellowgreen", NSVG_RGB(154, 205, 50) }, -#endif -}; - -static unsigned int nsvg__parseColorName(const char* str) -{ - int i, ncolors = sizeof(nsvg__colors) / sizeof(NSVGNamedColor); - - for (i = 0; i < ncolors; i++) { - if (strcmp(nsvg__colors[i].name, str) == 0) { - return nsvg__colors[i].color; - } - } - - return NSVG_RGB(128, 128, 128); -} - -static unsigned int nsvg__parseColor(const char* str) -{ - size_t len = 0; - while(*str == ' ') ++str; - len = strlen(str); - if (len >= 1 && *str == '#') - return nsvg__parseColorHex(str); - else if (len >= 4 && str[0] == 'r' && str[1] == 'g' && str[2] == 'b' && str[3] == '(') - return nsvg__parseColorRGB(str); - return nsvg__parseColorName(str); -} - -static float nsvg__parseOpacity(const char* str) -{ - float val = 0; - sscanf(str, "%f", &val); - if (val < 0.0f) val = 0.0f; - if (val > 1.0f) val = 1.0f; - return val; -} - -static float nsvg__parseMiterLimit(const char* str) -{ - float val = 0; - sscanf(str, "%f", &val); - if (val < 0.0f) val = 0.0f; - return val; -} - -static int nsvg__parseUnits(const char* units) -{ - if (units[0] == 'p' && units[1] == 'x') - return NSVG_UNITS_PX; - else if (units[0] == 'p' && units[1] == 't') - return NSVG_UNITS_PT; - else if (units[0] == 'p' && units[1] == 'c') - return NSVG_UNITS_PC; - else if (units[0] == 'm' && units[1] == 'm') - return NSVG_UNITS_MM; - else if (units[0] == 'c' && units[1] == 'm') - return NSVG_UNITS_CM; - else if (units[0] == 'i' && units[1] == 'n') - return NSVG_UNITS_IN; - else if (units[0] == '%') - return NSVG_UNITS_PERCENT; - else if (units[0] == 'e' && units[1] == 'm') - return NSVG_UNITS_EM; - else if (units[0] == 'e' && units[1] == 'x') - return NSVG_UNITS_EX; - return NSVG_UNITS_USER; -} - -static NSVGcoordinate nsvg__parseCoordinateRaw(const char* str) -{ - NSVGcoordinate coord = {0, NSVG_UNITS_USER}; - char units[32]=""; - sscanf(str, "%f%31s", &coord.value, units); - coord.units = nsvg__parseUnits(units); - return coord; -} - -static NSVGcoordinate nsvg__coord(float v, int units) -{ - NSVGcoordinate coord = {v, units}; - return coord; -} - -static float nsvg__parseCoordinate(NSVGparser* p, const char* str, float orig, float length) -{ - NSVGcoordinate coord = nsvg__parseCoordinateRaw(str); - return nsvg__convertToPixels(p, coord, orig, length); -} - -static int nsvg__parseTransformArgs(const char* str, float* args, int maxNa, int* na) -{ - const char* end; - const char* ptr; - char it[64]; - - *na = 0; - ptr = str; - while (*ptr && *ptr != '(') ++ptr; - if (*ptr == 0) - return 1; - end = ptr; - while (*end && *end != ')') ++end; - if (*end == 0) - return 1; - - while (ptr < end) { - if (*ptr == '-' || *ptr == '+' || *ptr == '.' || nsvg__isdigit(*ptr)) { - if (*na >= maxNa) return 0; - ptr = nsvg__parseNumber(ptr, it, 64); - args[(*na)++] = (float)nsvg__atof(it); - } else { - ++ptr; - } - } - return (int)(end - str); -} - - -static int nsvg__parseMatrix(float* xform, const char* str) -{ - float t[6]; - int na = 0; - int len = nsvg__parseTransformArgs(str, t, 6, &na); - if (na != 6) return len; - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseTranslate(float* xform, const char* str) -{ - float args[2]; - float t[6]; - int na = 0; - int len = nsvg__parseTransformArgs(str, args, 2, &na); - if (na == 1) args[1] = 0.0; - - nsvg__xformSetTranslation(t, args[0], args[1]); - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseScale(float* xform, const char* str) -{ - float args[2]; - int na = 0; - float t[6]; - int len = nsvg__parseTransformArgs(str, args, 2, &na); - if (na == 1) args[1] = args[0]; - nsvg__xformSetScale(t, args[0], args[1]); - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseSkewX(float* xform, const char* str) -{ - float args[1]; - int na = 0; - float t[6]; - int len = nsvg__parseTransformArgs(str, args, 1, &na); - nsvg__xformSetSkewX(t, args[0]/180.0f*NSVG_PI); - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseSkewY(float* xform, const char* str) -{ - float args[1]; - int na = 0; - float t[6]; - int len = nsvg__parseTransformArgs(str, args, 1, &na); - nsvg__xformSetSkewY(t, args[0]/180.0f*NSVG_PI); - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseRotate(float* xform, const char* str) -{ - float args[3]; - int na = 0; - float m[6]; - float t[6]; - int len = nsvg__parseTransformArgs(str, args, 3, &na); - if (na == 1) - args[1] = args[2] = 0.0f; - nsvg__xformIdentity(m); - - if (na > 1) { - nsvg__xformSetTranslation(t, -args[1], -args[2]); - nsvg__xformMultiply(m, t); - } - - nsvg__xformSetRotation(t, args[0]/180.0f*NSVG_PI); - nsvg__xformMultiply(m, t); - - if (na > 1) { - nsvg__xformSetTranslation(t, args[1], args[2]); - nsvg__xformMultiply(m, t); - } - - memcpy(xform, m, sizeof(float)*6); - - return len; -} - -static void nsvg__parseTransform(float* xform, const char* str) -{ - float t[6]; - nsvg__xformIdentity(xform); - while (*str) - { - if (strncmp(str, "matrix", 6) == 0) - str += nsvg__parseMatrix(t, str); - else if (strncmp(str, "translate", 9) == 0) - str += nsvg__parseTranslate(t, str); - else if (strncmp(str, "scale", 5) == 0) - str += nsvg__parseScale(t, str); - else if (strncmp(str, "rotate", 6) == 0) - str += nsvg__parseRotate(t, str); - else if (strncmp(str, "skewX", 5) == 0) - str += nsvg__parseSkewX(t, str); - else if (strncmp(str, "skewY", 5) == 0) - str += nsvg__parseSkewY(t, str); - else{ - ++str; - continue; - } - - nsvg__xformPremultiply(xform, t); - } -} - -static void nsvg__parseUrl(char* id, const char* str) -{ - int i = 0; - str += 4; // "url("; - if (*str == '#') - str++; - while (i < 63 && *str != ')') { - id[i] = *str++; - i++; - } - id[i] = '\0'; -} - -static char nsvg__parseLineCap(const char* str) -{ - if (strcmp(str, "butt") == 0) - return NSVG_CAP_BUTT; - else if (strcmp(str, "round") == 0) - return NSVG_CAP_ROUND; - else if (strcmp(str, "square") == 0) - return NSVG_CAP_SQUARE; - // TODO: handle inherit. - return NSVG_CAP_BUTT; -} - -static char nsvg__parseLineJoin(const char* str) -{ - if (strcmp(str, "miter") == 0) - return NSVG_JOIN_MITER; - else if (strcmp(str, "round") == 0) - return NSVG_JOIN_ROUND; - else if (strcmp(str, "bevel") == 0) - return NSVG_JOIN_BEVEL; - // TODO: handle inherit. - return NSVG_JOIN_MITER; -} - -static char nsvg__parseFillRule(const char* str) -{ - if (strcmp(str, "nonzero") == 0) - return NSVG_FILLRULE_NONZERO; - else if (strcmp(str, "evenodd") == 0) - return NSVG_FILLRULE_EVENODD; - // TODO: handle inherit. - return NSVG_FILLRULE_NONZERO; -} - -static const char* nsvg__getNextDashItem(const char* s, char* it) -{ - int n = 0; - it[0] = '\0'; - // Skip white spaces and commas - while (*s && (nsvg__isspace(*s) || *s == ',')) s++; - // Advance until whitespace, comma or end. - while (*s && (!nsvg__isspace(*s) && *s != ',')) { - if (n < 63) - it[n++] = *s; - s++; - } - it[n++] = '\0'; - return s; -} - -static int nsvg__parseStrokeDashArray(NSVGparser* p, const char* str, float* strokeDashArray) -{ - char item[64]; - int count = 0, i; - float sum = 0.0f; - - // Handle "none" - if (str[0] == 'n') - return 0; - - // Parse dashes - while (*str) { - str = nsvg__getNextDashItem(str, item); - if (!*item) break; - if (count < NSVG_MAX_DASHES) - strokeDashArray[count++] = fabsf(nsvg__parseCoordinate(p, item, 0.0f, nsvg__actualLength(p))); - } - - for (i = 0; i < count; i++) - sum += strokeDashArray[i]; - if (sum <= 1e-6f) - count = 0; - - return count; -} - -static void nsvg__parseStyle(NSVGparser* p, const char* str); - -static int nsvg__parseAttr(NSVGparser* p, const char* name, const char* value) -{ - float xform[6]; - NSVGattrib* attr = nsvg__getAttr(p); - if (!attr) return 0; - - if (strcmp(name, "style") == 0) { - nsvg__parseStyle(p, value); - } else if (strcmp(name, "display") == 0) { - if (strcmp(value, "none") == 0) - attr->visible = 0; - // Don't reset ->visible on display:inline, one display:none hides the whole subtree - - } else if (strcmp(name, "fill") == 0) { - if (strcmp(value, "none") == 0) { - attr->hasFill = 0; - } else if (strncmp(value, "url(", 4) == 0) { - attr->hasFill = 2; - nsvg__parseUrl(attr->fillGradient, value); - } else { - attr->hasFill = 1; - attr->fillColor = nsvg__parseColor(value); - } - } else if (strcmp(name, "opacity") == 0) { - attr->opacity = nsvg__parseOpacity(value); - } else if (strcmp(name, "fill-opacity") == 0) { - attr->fillOpacity = nsvg__parseOpacity(value); - } else if (strcmp(name, "stroke") == 0) { - if (strcmp(value, "none") == 0) { - attr->hasStroke = 0; - } else if (strncmp(value, "url(", 4) == 0) { - attr->hasStroke = 2; - nsvg__parseUrl(attr->strokeGradient, value); - } else { - attr->hasStroke = 1; - attr->strokeColor = nsvg__parseColor(value); - } - } else if (strcmp(name, "stroke-width") == 0) { - attr->strokeWidth = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); - } else if (strcmp(name, "stroke-dasharray") == 0) { - attr->strokeDashCount = nsvg__parseStrokeDashArray(p, value, attr->strokeDashArray); - } else if (strcmp(name, "stroke-dashoffset") == 0) { - attr->strokeDashOffset = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); - } else if (strcmp(name, "stroke-opacity") == 0) { - attr->strokeOpacity = nsvg__parseOpacity(value); - } else if (strcmp(name, "stroke-linecap") == 0) { - attr->strokeLineCap = nsvg__parseLineCap(value); - } else if (strcmp(name, "stroke-linejoin") == 0) { - attr->strokeLineJoin = nsvg__parseLineJoin(value); - } else if (strcmp(name, "stroke-miterlimit") == 0) { - attr->miterLimit = nsvg__parseMiterLimit(value); - } else if (strcmp(name, "fill-rule") == 0) { - attr->fillRule = nsvg__parseFillRule(value); - } else if (strcmp(name, "font-size") == 0) { - attr->fontSize = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); - } else if (strcmp(name, "transform") == 0) { - nsvg__parseTransform(xform, value); - nsvg__xformPremultiply(attr->xform, xform); - } else if (strcmp(name, "stop-color") == 0) { - attr->stopColor = nsvg__parseColor(value); - } else if (strcmp(name, "stop-opacity") == 0) { - attr->stopOpacity = nsvg__parseOpacity(value); - } else if (strcmp(name, "offset") == 0) { - attr->stopOffset = nsvg__parseCoordinate(p, value, 0.0f, 1.0f); - } else if (strcmp(name, "id") == 0) { - strncpy(attr->id, value, 63); - attr->id[63] = '\0'; - } else { - return 0; - } - return 1; -} - -static int nsvg__parseNameValue(NSVGparser* p, const char* start, const char* end) -{ - const char* str; - const char* val; - char name[512]; - char value[512]; - int n; - - str = start; - while (str < end && *str != ':') ++str; - - val = str; - - // Right Trim - while (str > start && (*str == ':' || nsvg__isspace(*str))) --str; - ++str; - - n = (int)(str - start); - if (n > 511) n = 511; - if (n) memcpy(name, start, n); - name[n] = 0; - - while (val < end && (*val == ':' || nsvg__isspace(*val))) ++val; - - n = (int)(end - val); - if (n > 511) n = 511; - if (n) memcpy(value, val, n); - value[n] = 0; - - return nsvg__parseAttr(p, name, value); -} - -static void nsvg__parseStyle(NSVGparser* p, const char* str) -{ - const char* start; - const char* end; - - while (*str) { - // Left Trim - while(*str && nsvg__isspace(*str)) ++str; - start = str; - while(*str && *str != ';') ++str; - end = str; - - // Right Trim - while (end > start && (*end == ';' || nsvg__isspace(*end))) --end; - ++end; - - nsvg__parseNameValue(p, start, end); - if (*str) ++str; - } -} - -static void nsvg__parseAttribs(NSVGparser* p, const char** attr) -{ - int i; - for (i = 0; attr[i]; i += 2) - { - if (strcmp(attr[i], "style") == 0) - nsvg__parseStyle(p, attr[i + 1]); - else - nsvg__parseAttr(p, attr[i], attr[i + 1]); - } -} - -static int nsvg__getArgsPerElement(char cmd) -{ - switch (cmd) { - case 'v': - case 'V': - case 'h': - case 'H': - return 1; - case 'm': - case 'M': - case 'l': - case 'L': - case 't': - case 'T': - return 2; - case 'q': - case 'Q': - case 's': - case 'S': - return 4; - case 'c': - case 'C': - return 6; - case 'a': - case 'A': - return 7; - } - return 0; -} - -static void nsvg__pathMoveTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - if (rel) { - *cpx += args[0]; - *cpy += args[1]; - } else { - *cpx = args[0]; - *cpy = args[1]; - } - nsvg__moveTo(p, *cpx, *cpy); -} - -static void nsvg__pathLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - if (rel) { - *cpx += args[0]; - *cpy += args[1]; - } else { - *cpx = args[0]; - *cpy = args[1]; - } - nsvg__lineTo(p, *cpx, *cpy); -} - -static void nsvg__pathHLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - if (rel) - *cpx += args[0]; - else - *cpx = args[0]; - nsvg__lineTo(p, *cpx, *cpy); -} - -static void nsvg__pathVLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - if (rel) - *cpy += args[0]; - else - *cpy = args[0]; - nsvg__lineTo(p, *cpx, *cpy); -} - -static void nsvg__pathCubicBezTo(NSVGparser* p, float* cpx, float* cpy, - float* cpx2, float* cpy2, float* args, int rel) -{ - float x2, y2, cx1, cy1, cx2, cy2; - - if (rel) { - cx1 = *cpx + args[0]; - cy1 = *cpy + args[1]; - cx2 = *cpx + args[2]; - cy2 = *cpy + args[3]; - x2 = *cpx + args[4]; - y2 = *cpy + args[5]; - } else { - cx1 = args[0]; - cy1 = args[1]; - cx2 = args[2]; - cy2 = args[3]; - x2 = args[4]; - y2 = args[5]; - } - - nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); - - *cpx2 = cx2; - *cpy2 = cy2; - *cpx = x2; - *cpy = y2; -} - -static void nsvg__pathCubicBezShortTo(NSVGparser* p, float* cpx, float* cpy, - float* cpx2, float* cpy2, float* args, int rel) -{ - float x1, y1, x2, y2, cx1, cy1, cx2, cy2; - - x1 = *cpx; - y1 = *cpy; - if (rel) { - cx2 = *cpx + args[0]; - cy2 = *cpy + args[1]; - x2 = *cpx + args[2]; - y2 = *cpy + args[3]; - } else { - cx2 = args[0]; - cy2 = args[1]; - x2 = args[2]; - y2 = args[3]; - } - - cx1 = 2*x1 - *cpx2; - cy1 = 2*y1 - *cpy2; - - nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); - - *cpx2 = cx2; - *cpy2 = cy2; - *cpx = x2; - *cpy = y2; -} - -static void nsvg__pathQuadBezTo(NSVGparser* p, float* cpx, float* cpy, - float* cpx2, float* cpy2, float* args, int rel) -{ - float x1, y1, x2, y2, cx, cy; - float cx1, cy1, cx2, cy2; - - x1 = *cpx; - y1 = *cpy; - if (rel) { - cx = *cpx + args[0]; - cy = *cpy + args[1]; - x2 = *cpx + args[2]; - y2 = *cpy + args[3]; - } else { - cx = args[0]; - cy = args[1]; - x2 = args[2]; - y2 = args[3]; - } - - // Convert to cubic bezier - cx1 = x1 + 2.0f/3.0f*(cx - x1); - cy1 = y1 + 2.0f/3.0f*(cy - y1); - cx2 = x2 + 2.0f/3.0f*(cx - x2); - cy2 = y2 + 2.0f/3.0f*(cy - y2); - - nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); - - *cpx2 = cx; - *cpy2 = cy; - *cpx = x2; - *cpy = y2; -} - -static void nsvg__pathQuadBezShortTo(NSVGparser* p, float* cpx, float* cpy, - float* cpx2, float* cpy2, float* args, int rel) -{ - float x1, y1, x2, y2, cx, cy; - float cx1, cy1, cx2, cy2; - - x1 = *cpx; - y1 = *cpy; - if (rel) { - x2 = *cpx + args[0]; - y2 = *cpy + args[1]; - } else { - x2 = args[0]; - y2 = args[1]; - } - - cx = 2*x1 - *cpx2; - cy = 2*y1 - *cpy2; - - // Convert to cubix bezier - cx1 = x1 + 2.0f/3.0f*(cx - x1); - cy1 = y1 + 2.0f/3.0f*(cy - y1); - cx2 = x2 + 2.0f/3.0f*(cx - x2); - cy2 = y2 + 2.0f/3.0f*(cy - y2); - - nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); - - *cpx2 = cx; - *cpy2 = cy; - *cpx = x2; - *cpy = y2; -} - -static float nsvg__sqr(float x) { return x*x; } -static float nsvg__vmag(float x, float y) { return sqrtf(x*x + y*y); } - -static float nsvg__vecrat(float ux, float uy, float vx, float vy) -{ - return (ux*vx + uy*vy) / (nsvg__vmag(ux,uy) * nsvg__vmag(vx,vy)); -} - -static float nsvg__vecang(float ux, float uy, float vx, float vy) -{ - float r = nsvg__vecrat(ux,uy, vx,vy); - if (r < -1.0f) r = -1.0f; - if (r > 1.0f) r = 1.0f; - return ((ux*vy < uy*vx) ? -1.0f : 1.0f) * acosf(r); -} - -static void nsvg__pathArcTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - // Ported from canvg (https://code.google.com/p/canvg/) - float rx, ry, rotx; - float x1, y1, x2, y2, cx, cy, dx, dy, d; - float x1p, y1p, cxp, cyp, s, sa, sb; - float ux, uy, vx, vy, a1, da; - float x, y, tanx, tany, a, px = 0, py = 0, ptanx = 0, ptany = 0, t[6]; - float sinrx, cosrx; - int fa, fs; - int i, ndivs; - float hda, kappa; - - rx = fabsf(args[0]); // y radius - ry = fabsf(args[1]); // x radius - rotx = args[2] / 180.0f * NSVG_PI; // x rotation angle - fa = fabsf(args[3]) > 1e-6 ? 1 : 0; // Large arc - fs = fabsf(args[4]) > 1e-6 ? 1 : 0; // Sweep direction - x1 = *cpx; // start point - y1 = *cpy; - if (rel) { // end point - x2 = *cpx + args[5]; - y2 = *cpy + args[6]; - } else { - x2 = args[5]; - y2 = args[6]; - } - - dx = x1 - x2; - dy = y1 - y2; - d = sqrtf(dx*dx + dy*dy); - if (d < 1e-6f || rx < 1e-6f || ry < 1e-6f) { - // The arc degenerates to a line - nsvg__lineTo(p, x2, y2); - *cpx = x2; - *cpy = y2; - return; - } - - sinrx = sinf(rotx); - cosrx = cosf(rotx); - - // Convert to center point parameterization. - // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes - // 1) Compute x1', y1' - x1p = cosrx * dx / 2.0f + sinrx * dy / 2.0f; - y1p = -sinrx * dx / 2.0f + cosrx * dy / 2.0f; - d = nsvg__sqr(x1p)/nsvg__sqr(rx) + nsvg__sqr(y1p)/nsvg__sqr(ry); - if (d > 1) { - d = sqrtf(d); - rx *= d; - ry *= d; - } - // 2) Compute cx', cy' - s = 0.0f; - sa = nsvg__sqr(rx)*nsvg__sqr(ry) - nsvg__sqr(rx)*nsvg__sqr(y1p) - nsvg__sqr(ry)*nsvg__sqr(x1p); - sb = nsvg__sqr(rx)*nsvg__sqr(y1p) + nsvg__sqr(ry)*nsvg__sqr(x1p); - if (sa < 0.0f) sa = 0.0f; - if (sb > 0.0f) - s = sqrtf(sa / sb); - if (fa == fs) - s = -s; - cxp = s * rx * y1p / ry; - cyp = s * -ry * x1p / rx; - - // 3) Compute cx,cy from cx',cy' - cx = (x1 + x2)/2.0f + cosrx*cxp - sinrx*cyp; - cy = (y1 + y2)/2.0f + sinrx*cxp + cosrx*cyp; - - // 4) Calculate theta1, and delta theta. - ux = (x1p - cxp) / rx; - uy = (y1p - cyp) / ry; - vx = (-x1p - cxp) / rx; - vy = (-y1p - cyp) / ry; - a1 = nsvg__vecang(1.0f,0.0f, ux,uy); // Initial angle - da = nsvg__vecang(ux,uy, vx,vy); // Delta angle - -// if (vecrat(ux,uy,vx,vy) <= -1.0f) da = NSVG_PI; -// if (vecrat(ux,uy,vx,vy) >= 1.0f) da = 0; - - if (fs == 0 && da > 0) - da -= 2 * NSVG_PI; - else if (fs == 1 && da < 0) - da += 2 * NSVG_PI; - - // Approximate the arc using cubic spline segments. - t[0] = cosrx; t[1] = sinrx; - t[2] = -sinrx; t[3] = cosrx; - t[4] = cx; t[5] = cy; - - // Split arc into max 90 degree segments. - // The loop assumes an iteration per end point (including start and end), this +1. - ndivs = (int)(fabsf(da) / (NSVG_PI*0.5f) + 1.0f); - hda = (da / (float)ndivs) / 2.0f; - kappa = fabsf(4.0f / 3.0f * (1.0f - cosf(hda)) / sinf(hda)); - if (da < 0.0f) - kappa = -kappa; - - for (i = 0; i <= ndivs; i++) { - a = a1 + da * ((float)i/(float)ndivs); - dx = cosf(a); - dy = sinf(a); - nsvg__xformPoint(&x, &y, dx*rx, dy*ry, t); // position - nsvg__xformVec(&tanx, &tany, -dy*rx * kappa, dx*ry * kappa, t); // tangent - if (i > 0) - nsvg__cubicBezTo(p, px+ptanx,py+ptany, x-tanx, y-tany, x, y); - px = x; - py = y; - ptanx = tanx; - ptany = tany; - } - - *cpx = x2; - *cpy = y2; -} - -static void nsvg__parsePath(NSVGparser* p, const char** attr) -{ - const char* s = NULL; - char cmd = '\0'; - float args[10]; - int nargs; - int rargs = 0; - float cpx, cpy, cpx2, cpy2; - const char* tmp[4]; - char closedFlag; - int i; - char item[64]; - - for (i = 0; attr[i]; i += 2) { - if (strcmp(attr[i], "d") == 0) { - s = attr[i + 1]; - } else { - tmp[0] = attr[i]; - tmp[1] = attr[i + 1]; - tmp[2] = 0; - tmp[3] = 0; - nsvg__parseAttribs(p, tmp); - } - } - - if (s) { - nsvg__resetPath(p); - cpx = 0; cpy = 0; - cpx2 = 0; cpy2 = 0; - closedFlag = 0; - nargs = 0; - - while (*s) { - s = nsvg__getNextPathItem(s, item); - if (!*item) break; - if (nsvg__isnum(item[0])) { - if (nargs < 10) - args[nargs++] = (float)nsvg__atof(item); - if (nargs >= rargs) { - switch (cmd) { - case 'm': - case 'M': - nsvg__pathMoveTo(p, &cpx, &cpy, args, cmd == 'm' ? 1 : 0); - // Moveto can be followed by multiple coordinate pairs, - // which should be treated as linetos. - cmd = (cmd == 'm') ? 'l' : 'L'; - rargs = nsvg__getArgsPerElement(cmd); - cpx2 = cpx; cpy2 = cpy; - break; - case 'l': - case 'L': - nsvg__pathLineTo(p, &cpx, &cpy, args, cmd == 'l' ? 1 : 0); - cpx2 = cpx; cpy2 = cpy; - break; - case 'H': - case 'h': - nsvg__pathHLineTo(p, &cpx, &cpy, args, cmd == 'h' ? 1 : 0); - cpx2 = cpx; cpy2 = cpy; - break; - case 'V': - case 'v': - nsvg__pathVLineTo(p, &cpx, &cpy, args, cmd == 'v' ? 1 : 0); - cpx2 = cpx; cpy2 = cpy; - break; - case 'C': - case 'c': - nsvg__pathCubicBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'c' ? 1 : 0); - break; - case 'S': - case 's': - nsvg__pathCubicBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 's' ? 1 : 0); - break; - case 'Q': - case 'q': - nsvg__pathQuadBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'q' ? 1 : 0); - break; - case 'T': - case 't': - nsvg__pathQuadBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 't' ? 1 : 0); - break; - case 'A': - case 'a': - nsvg__pathArcTo(p, &cpx, &cpy, args, cmd == 'a' ? 1 : 0); - cpx2 = cpx; cpy2 = cpy; - break; - default: - if (nargs >= 2) { - cpx = args[nargs-2]; - cpy = args[nargs-1]; - cpx2 = cpx; cpy2 = cpy; - } - break; - } - nargs = 0; - } - } else { - cmd = item[0]; - rargs = nsvg__getArgsPerElement(cmd); - if (cmd == 'M' || cmd == 'm') { - // Commit path. - if (p->npts > 0) - nsvg__addPath(p, closedFlag); - // Start new subpath. - nsvg__resetPath(p); - closedFlag = 0; - nargs = 0; - } else if (cmd == 'Z' || cmd == 'z') { - closedFlag = 1; - // Commit path. - if (p->npts > 0) { - // Move current point to first point - cpx = p->pts[0]; - cpy = p->pts[1]; - cpx2 = cpx; cpy2 = cpy; - nsvg__addPath(p, closedFlag); - } - // Start new subpath. - nsvg__resetPath(p); - nsvg__moveTo(p, cpx, cpy); - closedFlag = 0; - nargs = 0; - } - } - } - // Commit path. - if (p->npts) - nsvg__addPath(p, closedFlag); - } - - nsvg__addShape(p); -} - -static void nsvg__parseRect(NSVGparser* p, const char** attr) -{ - float x = 0.0f; - float y = 0.0f; - float w = 0.0f; - float h = 0.0f; - float rx = -1.0f; // marks not set - float ry = -1.0f; - int i; - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "x") == 0) x = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "y") == 0) y = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - if (strcmp(attr[i], "width") == 0) w = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p)); - if (strcmp(attr[i], "height") == 0) h = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p)); - if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p))); - if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p))); - } - } - - if (rx < 0.0f && ry > 0.0f) rx = ry; - if (ry < 0.0f && rx > 0.0f) ry = rx; - if (rx < 0.0f) rx = 0.0f; - if (ry < 0.0f) ry = 0.0f; - if (rx > w/2.0f) rx = w/2.0f; - if (ry > h/2.0f) ry = h/2.0f; - - if (w != 0.0f && h != 0.0f) { - nsvg__resetPath(p); - - if (rx < 0.00001f || ry < 0.0001f) { - nsvg__moveTo(p, x, y); - nsvg__lineTo(p, x+w, y); - nsvg__lineTo(p, x+w, y+h); - nsvg__lineTo(p, x, y+h); - } else { - // Rounded rectangle - nsvg__moveTo(p, x+rx, y); - nsvg__lineTo(p, x+w-rx, y); - nsvg__cubicBezTo(p, x+w-rx*(1-NSVG_KAPPA90), y, x+w, y+ry*(1-NSVG_KAPPA90), x+w, y+ry); - nsvg__lineTo(p, x+w, y+h-ry); - nsvg__cubicBezTo(p, x+w, y+h-ry*(1-NSVG_KAPPA90), x+w-rx*(1-NSVG_KAPPA90), y+h, x+w-rx, y+h); - nsvg__lineTo(p, x+rx, y+h); - nsvg__cubicBezTo(p, x+rx*(1-NSVG_KAPPA90), y+h, x, y+h-ry*(1-NSVG_KAPPA90), x, y+h-ry); - nsvg__lineTo(p, x, y+ry); - nsvg__cubicBezTo(p, x, y+ry*(1-NSVG_KAPPA90), x+rx*(1-NSVG_KAPPA90), y, x+rx, y); - } - - nsvg__addPath(p, 1); - - nsvg__addShape(p); - } -} - -static void nsvg__parseCircle(NSVGparser* p, const char** attr) -{ - float cx = 0.0f; - float cy = 0.0f; - float r = 0.0f; - int i; - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - if (strcmp(attr[i], "r") == 0) r = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualLength(p))); - } - } - - if (r > 0.0f) { - nsvg__resetPath(p); - - nsvg__moveTo(p, cx+r, cy); - nsvg__cubicBezTo(p, cx+r, cy+r*NSVG_KAPPA90, cx+r*NSVG_KAPPA90, cy+r, cx, cy+r); - nsvg__cubicBezTo(p, cx-r*NSVG_KAPPA90, cy+r, cx-r, cy+r*NSVG_KAPPA90, cx-r, cy); - nsvg__cubicBezTo(p, cx-r, cy-r*NSVG_KAPPA90, cx-r*NSVG_KAPPA90, cy-r, cx, cy-r); - nsvg__cubicBezTo(p, cx+r*NSVG_KAPPA90, cy-r, cx+r, cy-r*NSVG_KAPPA90, cx+r, cy); - - nsvg__addPath(p, 1); - - nsvg__addShape(p); - } -} - -static void nsvg__parseEllipse(NSVGparser* p, const char** attr) -{ - float cx = 0.0f; - float cy = 0.0f; - float rx = 0.0f; - float ry = 0.0f; - int i; - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p))); - if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p))); - } - } - - if (rx > 0.0f && ry > 0.0f) { - - nsvg__resetPath(p); - - nsvg__moveTo(p, cx+rx, cy); - nsvg__cubicBezTo(p, cx+rx, cy+ry*NSVG_KAPPA90, cx+rx*NSVG_KAPPA90, cy+ry, cx, cy+ry); - nsvg__cubicBezTo(p, cx-rx*NSVG_KAPPA90, cy+ry, cx-rx, cy+ry*NSVG_KAPPA90, cx-rx, cy); - nsvg__cubicBezTo(p, cx-rx, cy-ry*NSVG_KAPPA90, cx-rx*NSVG_KAPPA90, cy-ry, cx, cy-ry); - nsvg__cubicBezTo(p, cx+rx*NSVG_KAPPA90, cy-ry, cx+rx, cy-ry*NSVG_KAPPA90, cx+rx, cy); - - nsvg__addPath(p, 1); - - nsvg__addShape(p); - } -} - -static void nsvg__parseLine(NSVGparser* p, const char** attr) -{ - float x1 = 0.0; - float y1 = 0.0; - float x2 = 0.0; - float y2 = 0.0; - int i; - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "x1") == 0) x1 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "y1") == 0) y1 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - if (strcmp(attr[i], "x2") == 0) x2 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "y2") == 0) y2 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - } - } - - nsvg__resetPath(p); - - nsvg__moveTo(p, x1, y1); - nsvg__lineTo(p, x2, y2); - - nsvg__addPath(p, 0); - - nsvg__addShape(p); -} - -static void nsvg__parsePoly(NSVGparser* p, const char** attr, int closeFlag) -{ - int i; - const char* s; - float args[2]; - int nargs, npts = 0; - char item[64]; - - nsvg__resetPath(p); - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "points") == 0) { - s = attr[i + 1]; - nargs = 0; - while (*s) { - s = nsvg__getNextPathItem(s, item); - args[nargs++] = (float)nsvg__atof(item); - if (nargs >= 2) { - if (npts == 0) - nsvg__moveTo(p, args[0], args[1]); - else - nsvg__lineTo(p, args[0], args[1]); - nargs = 0; - npts++; - } - } - } - } - } - - nsvg__addPath(p, (char)closeFlag); - - nsvg__addShape(p); -} - -static void nsvg__parseSVG(NSVGparser* p, const char** attr) -{ - int i; - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "width") == 0) { - p->image->width = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f); - } else if (strcmp(attr[i], "height") == 0) { - p->image->height = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f); - } else if (strcmp(attr[i], "viewBox") == 0) { - sscanf(attr[i + 1], "%f%*[%%, \t]%f%*[%%, \t]%f%*[%%, \t]%f", &p->viewMinx, &p->viewMiny, &p->viewWidth, &p->viewHeight); - } else if (strcmp(attr[i], "preserveAspectRatio") == 0) { - if (strstr(attr[i + 1], "none") != 0) { - // No uniform scaling - p->alignType = NSVG_ALIGN_NONE; - } else { - // Parse X align - if (strstr(attr[i + 1], "xMin") != 0) - p->alignX = NSVG_ALIGN_MIN; - else if (strstr(attr[i + 1], "xMid") != 0) - p->alignX = NSVG_ALIGN_MID; - else if (strstr(attr[i + 1], "xMax") != 0) - p->alignX = NSVG_ALIGN_MAX; - // Parse X align - if (strstr(attr[i + 1], "yMin") != 0) - p->alignY = NSVG_ALIGN_MIN; - else if (strstr(attr[i + 1], "yMid") != 0) - p->alignY = NSVG_ALIGN_MID; - else if (strstr(attr[i + 1], "yMax") != 0) - p->alignY = NSVG_ALIGN_MAX; - // Parse meet/slice - p->alignType = NSVG_ALIGN_MEET; - if (strstr(attr[i + 1], "slice") != 0) - p->alignType = NSVG_ALIGN_SLICE; - } - } - } - } -} - -static void nsvg__parseGradient(NSVGparser* p, const char** attr, char type) -{ - int i; - NSVGgradientData* grad = (NSVGgradientData*)malloc(sizeof(NSVGgradientData)); - if (grad == NULL) return; - memset(grad, 0, sizeof(NSVGgradientData)); - grad->units = NSVG_OBJECT_SPACE; - grad->type = type; - if (grad->type == NSVG_PAINT_LINEAR_GRADIENT) { - grad->linear.x1 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); - grad->linear.y1 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); - grad->linear.x2 = nsvg__coord(100.0f, NSVG_UNITS_PERCENT); - grad->linear.y2 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); - } else if (grad->type == NSVG_PAINT_RADIAL_GRADIENT) { - grad->radial.cx = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); - grad->radial.cy = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); - grad->radial.r = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); - } - - nsvg__xformIdentity(grad->xform); - - for (i = 0; attr[i]; i += 2) { - if (strcmp(attr[i], "id") == 0) { - strncpy(grad->id, attr[i+1], 63); - grad->id[63] = '\0'; - } else if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "gradientUnits") == 0) { - if (strcmp(attr[i+1], "objectBoundingBox") == 0) - grad->units = NSVG_OBJECT_SPACE; - else - grad->units = NSVG_USER_SPACE; - } else if (strcmp(attr[i], "gradientTransform") == 0) { - nsvg__parseTransform(grad->xform, attr[i + 1]); - } else if (strcmp(attr[i], "cx") == 0) { - grad->radial.cx = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "cy") == 0) { - grad->radial.cy = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "r") == 0) { - grad->radial.r = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "fx") == 0) { - grad->radial.fx = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "fy") == 0) { - grad->radial.fy = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "x1") == 0) { - grad->linear.x1 = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "y1") == 0) { - grad->linear.y1 = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "x2") == 0) { - grad->linear.x2 = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "y2") == 0) { - grad->linear.y2 = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "spreadMethod") == 0) { - if (strcmp(attr[i+1], "pad") == 0) - grad->spread = NSVG_SPREAD_PAD; - else if (strcmp(attr[i+1], "reflect") == 0) - grad->spread = NSVG_SPREAD_REFLECT; - else if (strcmp(attr[i+1], "repeat") == 0) - grad->spread = NSVG_SPREAD_REPEAT; - } else if (strcmp(attr[i], "xlink:href") == 0) { - const char *href = attr[i+1]; - strncpy(grad->ref, href+1, 62); - grad->ref[62] = '\0'; - } - } - } - - grad->next = p->gradients; - p->gradients = grad; -} - -static void nsvg__parseGradientStop(NSVGparser* p, const char** attr) -{ - NSVGattrib* curAttr = nsvg__getAttr(p); - NSVGgradientData* grad; - NSVGgradientStop* stop; - int i, idx; - - curAttr->stopOffset = 0; - curAttr->stopColor = 0; - curAttr->stopOpacity = 1.0f; - - for (i = 0; attr[i]; i += 2) { - nsvg__parseAttr(p, attr[i], attr[i + 1]); - } - - // Add stop to the last gradient. - grad = p->gradients; - if (grad == NULL) return; - - grad->nstops++; - grad->stops = (NSVGgradientStop*)realloc(grad->stops, sizeof(NSVGgradientStop)*grad->nstops); - if (grad->stops == NULL) return; - - // Insert - idx = grad->nstops-1; - for (i = 0; i < grad->nstops-1; i++) { - if (curAttr->stopOffset < grad->stops[i].offset) { - idx = i; - break; - } - } - if (idx != grad->nstops-1) { - for (i = grad->nstops-1; i > idx; i--) - grad->stops[i] = grad->stops[i-1]; - } - - stop = &grad->stops[idx]; - stop->color = curAttr->stopColor; - stop->color |= (unsigned int)(curAttr->stopOpacity*255) << 24; - stop->offset = curAttr->stopOffset; -} - -static void nsvg__startElement(void* ud, const char* el, const char** attr) -{ - NSVGparser* p = (NSVGparser*)ud; - - if (p->defsFlag) { - // Skip everything but gradients in defs - if (strcmp(el, "linearGradient") == 0) { - nsvg__parseGradient(p, attr, NSVG_PAINT_LINEAR_GRADIENT); - } else if (strcmp(el, "radialGradient") == 0) { - nsvg__parseGradient(p, attr, NSVG_PAINT_RADIAL_GRADIENT); - } else if (strcmp(el, "stop") == 0) { - nsvg__parseGradientStop(p, attr); - } - return; - } - - if (strcmp(el, "g") == 0) { - nsvg__pushAttr(p); - nsvg__parseAttribs(p, attr); - } else if (strcmp(el, "path") == 0) { - if (p->pathFlag) // Do not allow nested paths. - return; - nsvg__pushAttr(p); - nsvg__parsePath(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "rect") == 0) { - nsvg__pushAttr(p); - nsvg__parseRect(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "circle") == 0) { - nsvg__pushAttr(p); - nsvg__parseCircle(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "ellipse") == 0) { - nsvg__pushAttr(p); - nsvg__parseEllipse(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "line") == 0) { - nsvg__pushAttr(p); - nsvg__parseLine(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "polyline") == 0) { - nsvg__pushAttr(p); - nsvg__parsePoly(p, attr, 0); - nsvg__popAttr(p); - } else if (strcmp(el, "polygon") == 0) { - nsvg__pushAttr(p); - nsvg__parsePoly(p, attr, 1); - nsvg__popAttr(p); - } else if (strcmp(el, "linearGradient") == 0) { - nsvg__parseGradient(p, attr, NSVG_PAINT_LINEAR_GRADIENT); - } else if (strcmp(el, "radialGradient") == 0) { - nsvg__parseGradient(p, attr, NSVG_PAINT_RADIAL_GRADIENT); - } else if (strcmp(el, "stop") == 0) { - nsvg__parseGradientStop(p, attr); - } else if (strcmp(el, "defs") == 0) { - p->defsFlag = 1; - } else if (strcmp(el, "svg") == 0) { - nsvg__parseSVG(p, attr); - } -} - -static void nsvg__endElement(void* ud, const char* el) -{ - NSVGparser* p = (NSVGparser*)ud; - - if (strcmp(el, "g") == 0) { - nsvg__popAttr(p); - } else if (strcmp(el, "path") == 0) { - p->pathFlag = 0; - } else if (strcmp(el, "defs") == 0) { - p->defsFlag = 0; - } -} - -static void nsvg__content(void* ud, const char* s) -{ - NSVG_NOTUSED(ud); - NSVG_NOTUSED(s); - // empty -} - -static void nsvg__imageBounds(NSVGparser* p, float* bounds) -{ - NSVGshape* shape; - shape = p->image->shapes; - if (shape == NULL) { - bounds[0] = bounds[1] = bounds[2] = bounds[3] = 0.0; - return; - } - bounds[0] = shape->bounds[0]; - bounds[1] = shape->bounds[1]; - bounds[2] = shape->bounds[2]; - bounds[3] = shape->bounds[3]; - for (shape = shape->next; shape != NULL; shape = shape->next) { - bounds[0] = nsvg__minf(bounds[0], shape->bounds[0]); - bounds[1] = nsvg__minf(bounds[1], shape->bounds[1]); - bounds[2] = nsvg__maxf(bounds[2], shape->bounds[2]); - bounds[3] = nsvg__maxf(bounds[3], shape->bounds[3]); - } -} - -static float nsvg__viewAlign(float content, float container, int type) -{ - if (type == NSVG_ALIGN_MIN) - return 0; - else if (type == NSVG_ALIGN_MAX) - return container - content; - // mid - return (container - content) * 0.5f; -} - -static void nsvg__scaleGradient(NSVGgradient* grad, float tx, float ty, float sx, float sy) -{ - float t[6]; - nsvg__xformSetTranslation(t, tx, ty); - nsvg__xformMultiply (grad->xform, t); - - nsvg__xformSetScale(t, sx, sy); - nsvg__xformMultiply (grad->xform, t); -} - -static void nsvg__scaleToViewbox(NSVGparser* p, const char* units) -{ - NSVGshape* shape; - NSVGpath* path; - float tx, ty, sx, sy, us, bounds[4], t[6], avgs; - int i; - float* pt; - - // Guess image size if not set completely. - nsvg__imageBounds(p, bounds); - - if (p->viewWidth == 0) { - if (p->image->width > 0) { - p->viewWidth = p->image->width; - } else { - p->viewMinx = bounds[0]; - p->viewWidth = bounds[2] - bounds[0]; - } - } - if (p->viewHeight == 0) { - if (p->image->height > 0) { - p->viewHeight = p->image->height; - } else { - p->viewMiny = bounds[1]; - p->viewHeight = bounds[3] - bounds[1]; - } - } - if (p->image->width == 0) - p->image->width = p->viewWidth; - if (p->image->height == 0) - p->image->height = p->viewHeight; - - tx = -p->viewMinx; - ty = -p->viewMiny; - sx = p->viewWidth > 0 ? p->image->width / p->viewWidth : 0; - sy = p->viewHeight > 0 ? p->image->height / p->viewHeight : 0; - // Unit scaling - us = 1.0f / nsvg__convertToPixels(p, nsvg__coord(1.0f, nsvg__parseUnits(units)), 0.0f, 1.0f); - - // Fix aspect ratio - if (p->alignType == NSVG_ALIGN_MEET) { - // fit whole image into viewbox - sx = sy = nsvg__minf(sx, sy); - tx += nsvg__viewAlign(p->viewWidth*sx, p->image->width, p->alignX) / sx; - ty += nsvg__viewAlign(p->viewHeight*sy, p->image->height, p->alignY) / sy; - } else if (p->alignType == NSVG_ALIGN_SLICE) { - // fill whole viewbox with image - sx = sy = nsvg__maxf(sx, sy); - tx += nsvg__viewAlign(p->viewWidth*sx, p->image->width, p->alignX) / sx; - ty += nsvg__viewAlign(p->viewHeight*sy, p->image->height, p->alignY) / sy; - } - - // Transform - sx *= us; - sy *= us; - avgs = (sx+sy) / 2.0f; - for (shape = p->image->shapes; shape != NULL; shape = shape->next) { - shape->bounds[0] = (shape->bounds[0] + tx) * sx; - shape->bounds[1] = (shape->bounds[1] + ty) * sy; - shape->bounds[2] = (shape->bounds[2] + tx) * sx; - shape->bounds[3] = (shape->bounds[3] + ty) * sy; - for (path = shape->paths; path != NULL; path = path->next) { - path->bounds[0] = (path->bounds[0] + tx) * sx; - path->bounds[1] = (path->bounds[1] + ty) * sy; - path->bounds[2] = (path->bounds[2] + tx) * sx; - path->bounds[3] = (path->bounds[3] + ty) * sy; - for (i =0; i < path->npts; i++) { - pt = &path->pts[i*2]; - pt[0] = (pt[0] + tx) * sx; - pt[1] = (pt[1] + ty) * sy; - } - } - - if (shape->fill.type == NSVG_PAINT_LINEAR_GRADIENT || shape->fill.type == NSVG_PAINT_RADIAL_GRADIENT) { - nsvg__scaleGradient(shape->fill.gradient, tx,ty, sx,sy); - memcpy(t, shape->fill.gradient->xform, sizeof(float)*6); - nsvg__xformInverse(shape->fill.gradient->xform, t); - } - if (shape->stroke.type == NSVG_PAINT_LINEAR_GRADIENT || shape->stroke.type == NSVG_PAINT_RADIAL_GRADIENT) { - nsvg__scaleGradient(shape->stroke.gradient, tx,ty, sx,sy); - memcpy(t, shape->stroke.gradient->xform, sizeof(float)*6); - nsvg__xformInverse(shape->stroke.gradient->xform, t); - } - - shape->strokeWidth *= avgs; - shape->strokeDashOffset *= avgs; - for (i = 0; i < shape->strokeDashCount; i++) - shape->strokeDashArray[i] *= avgs; - } -} - -NSVGimage* nsvgParse(char* input, const char* units, float dpi) -{ - NSVGparser* p; - NSVGimage* ret = 0; - - p = nsvg__createParser(); - if (p == NULL) { - return NULL; - } - p->dpi = dpi; - - nsvg__parseXML(input, nsvg__startElement, nsvg__endElement, nsvg__content, p); - - // Scale to viewBox - nsvg__scaleToViewbox(p, units); - - ret = p->image; - p->image = NULL; - - nsvg__deleteParser(p); - - return ret; -} - -NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi) -{ - FILE* fp = NULL; - size_t size; - char* data = NULL; - NSVGimage* image = NULL; - - fp = fopen(filename, "rb"); - if (!fp) goto error; - fseek(fp, 0, SEEK_END); - size = ftell(fp); - fseek(fp, 0, SEEK_SET); - data = (char*)malloc(size+1); - if (data == NULL) goto error; - if (fread(data, 1, size, fp) != size) goto error; - data[size] = '\0'; // Must be null terminated. - fclose(fp); - image = nsvgParse(data, units, dpi); - free(data); - - return image; - -error: - if (fp) fclose(fp); - if (data) free(data); - if (image) nsvgDelete(image); - return NULL; -} - -void nsvgDelete(NSVGimage* image) -{ - NSVGshape *snext, *shape; - if (image == NULL) return; - shape = image->shapes; - while (shape != NULL) { - snext = shape->next; - nsvg__deletePaths(shape->paths); - nsvg__deletePaint(&shape->fill); - nsvg__deletePaint(&shape->stroke); - free(shape); - shape = snext; - } - free(image); -} - -#endif diff --git a/tests/clip.c b/tests/clip.c new file mode 100644 index 0000000..8a39502 --- /dev/null +++ b/tests/clip.c @@ -0,0 +1,27 @@ +#include "test.h" + +void test_clip(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_move_to(ctx,10,10); + vkvg_line_to(ctx,400,150); + vkvg_line_to(ctx,900,10); + vkvg_line_to(ctx,700,450); + vkvg_line_to(ctx,900,750); + vkvg_line_to(ctx,500,650); + vkvg_line_to(ctx,100,800); + vkvg_line_to(ctx,150,400); + vkvg_clip(ctx); + + vkvg_set_source_rgb(ctx,1,0,0); + vkvg_paint(ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test_clip, 1024, 768); + + return 0; +} diff --git a/tests/colinear.c b/tests/colinear.c new file mode 100644 index 0000000..7f426ad --- /dev/null +++ b/tests/colinear.c @@ -0,0 +1,25 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_set_source_rgba(ctx,0.7,0.7,0.7,1); + vkvg_paint(ctx); + + vkvg_set_source_rgba(ctx,0,1,0,1); + vkvg_set_line_width(ctx,10); + + vkvg_move_to(ctx,100,100); + vkvg_line_to(ctx,100,200); + vkvg_line_to(ctx,100,100); + vkvg_stroke(ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/common/nanosvg.h b/tests/common/nanosvg.h new file mode 100644 index 0000000..65ba2a7 --- /dev/null +++ b/tests/common/nanosvg.h @@ -0,0 +1,2925 @@ +/* + * Copyright (c) 2013-14 Mikko Mononen memon@inside.org + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + * + * The SVG parser is based on Anti-Grain Geometry 2.4 SVG example + * Copyright (C) 2002-2004 Maxim Shemanarev (McSeem) (http://www.antigrain.com/) + * + * Arc calculation code based on canvg (https://code.google.com/p/canvg/) + * + * Bounding box calculation based on http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html + * + */ + +#ifndef NANOSVG_H +#define NANOSVG_H + +#ifdef __cplusplus +extern "C" { +#endif + +// NanoSVG is a simple stupid single-header-file SVG parse. The output of the parser is a list of cubic bezier shapes. +// +// The library suits well for anything from rendering scalable icons in your editor application to prototyping a game. +// +// NanoSVG supports a wide range of SVG features, but something may be missing, feel free to create a pull request! +// +// The shapes in the SVG images are transformed by the viewBox and converted to specified units. +// That is, you should get the same looking data as your designed in your favorite app. +// +// NanoSVG can return the paths in few different units. For example if you want to render an image, you may choose +// to get the paths in pixels, or if you are feeding the data into a CNC-cutter, you may want to use millimeters. +// +// The units passed to NanoVG should be one of: 'px', 'pt', 'pc' 'mm', 'cm', or 'in'. +// DPI (dots-per-inch) controls how the unit conversion is done. +// +// If you don't know or care about the units stuff, "px" and 96 should get you going. + + +/* Example Usage: + // Load + NSVGImage* image; + image = nsvgParseFromFile("test.svg", "px", 96); + printf("size: %f x %f\n", image->width, image->height); + // Use... + for (NSVGshape *shape = image->shapes; shape != NULL; shape = shape->next) { + for (NSVGpath *path = shape->paths; path != NULL; path = path->next) { + for (int i = 0; i < path->npts-1; i += 3) { + float* p = &path->pts[i*2]; + drawCubicBez(p[0],p[1], p[2],p[3], p[4],p[5], p[6],p[7]); + } + } + } + // Delete + nsvgDelete(image); +*/ + +enum NSVGpaintType { + NSVG_PAINT_NONE = 0, + NSVG_PAINT_COLOR = 1, + NSVG_PAINT_LINEAR_GRADIENT = 2, + NSVG_PAINT_RADIAL_GRADIENT = 3 +}; + +enum NSVGspreadType { + NSVG_SPREAD_PAD = 0, + NSVG_SPREAD_REFLECT = 1, + NSVG_SPREAD_REPEAT = 2 +}; + +enum NSVGlineJoin { + NSVG_JOIN_MITER = 0, + NSVG_JOIN_ROUND = 1, + NSVG_JOIN_BEVEL = 2 +}; + +enum NSVGlineCap { + NSVG_CAP_BUTT = 0, + NSVG_CAP_ROUND = 1, + NSVG_CAP_SQUARE = 2 +}; + +enum NSVGfillRule { + NSVG_FILLRULE_NONZERO = 0, + NSVG_FILLRULE_EVENODD = 1 +}; + +enum NSVGflags { + NSVG_FLAGS_VISIBLE = 0x01 +}; + +typedef struct NSVGgradientStop { + unsigned int color; + float offset; +} NSVGgradientStop; + +typedef struct NSVGgradient { + float xform[6]; + char spread; + float fx, fy; + int nstops; + NSVGgradientStop stops[1]; +} NSVGgradient; + +typedef struct NSVGpaint { + char type; + union { + unsigned int color; + NSVGgradient* gradient; + }; +} NSVGpaint; + +typedef struct NSVGpath +{ + float* pts; // Cubic bezier points: x0,y0, [cpx1,cpx1,cpx2,cpy2,x1,y1], ... + int npts; // Total number of bezier points. + char closed; // Flag indicating if shapes should be treated as closed. + float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy]. + struct NSVGpath* next; // Pointer to next path, or NULL if last element. +} NSVGpath; + +typedef struct NSVGshape +{ + char id[64]; // Optional 'id' attr of the shape or its group + NSVGpaint fill; // Fill paint + NSVGpaint stroke; // Stroke paint + float opacity; // Opacity of the shape. + float strokeWidth; // Stroke width (scaled). + float strokeDashOffset; // Stroke dash offset (scaled). + float strokeDashArray[8]; // Stroke dash array (scaled). + char strokeDashCount; // Number of dash values in dash array. + char strokeLineJoin; // Stroke join type. + char strokeLineCap; // Stroke cap type. + float miterLimit; // Miter limit + char fillRule; // Fill rule, see NSVGfillRule. + unsigned char flags; // Logical or of NSVG_FLAGS_* flags + float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy]. + NSVGpath* paths; // Linked list of paths in the image. + struct NSVGshape* next; // Pointer to next shape, or NULL if last element. +} NSVGshape; + +typedef struct NSVGimage +{ + float width; // Width of the image. + float height; // Height of the image. + NSVGshape* shapes; // Linked list of shapes in the image. +} NSVGimage; + +// Parses SVG file from a file, returns SVG image as paths. +NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi); + +// Parses SVG file from a null terminated string, returns SVG image as paths. +// Important note: changes the string. +NSVGimage* nsvgParse(char* input, const char* units, float dpi); + +// Deletes list of paths. +void nsvgDelete(NSVGimage* image); + +#ifdef __cplusplus +} +#endif + +#endif // NANOSVG_H + +#ifdef NANOSVG_IMPLEMENTATION + +#include +#include +#include + +#define NSVG_PI (3.14159265358979323846264338327f) +#define NSVG_KAPPA90 (0.5522847493f) // Length proportional to radius of a cubic bezier handle for 90deg arcs. + +#define NSVG_ALIGN_MIN 0 +#define NSVG_ALIGN_MID 1 +#define NSVG_ALIGN_MAX 2 +#define NSVG_ALIGN_NONE 0 +#define NSVG_ALIGN_MEET 1 +#define NSVG_ALIGN_SLICE 2 + +#define NSVG_NOTUSED(v) do { (void)(1 ? (void)0 : ( (void)(v) ) ); } while(0) +#define NSVG_RGB(r, g, b) (((unsigned int)r) | ((unsigned int)g << 8) | ((unsigned int)b << 16)) + +#ifdef _MSC_VER + #pragma warning (disable: 4996) // Switch off security warnings + #pragma warning (disable: 4100) // Switch off unreferenced formal parameter warnings + #ifdef __cplusplus + #define NSVG_INLINE inline + #else + #define NSVG_INLINE + #endif +#else + #define NSVG_INLINE inline +#endif + + +static int nsvg__isspace(char c) +{ + return strchr(" \t\n\v\f\r", c) != 0; +} + +static int nsvg__isdigit(char c) +{ + return c >= '0' && c <= '9'; +} + +static int nsvg__isnum(char c) +{ + return strchr("0123456789+-.eE", c) != 0; +} + +static NSVG_INLINE float nsvg__minf(float a, float b) { return a < b ? a : b; } +static NSVG_INLINE float nsvg__maxf(float a, float b) { return a > b ? a : b; } + + +// Simple XML parser + +#define NSVG_XML_TAG 1 +#define NSVG_XML_CONTENT 2 +#define NSVG_XML_MAX_ATTRIBS 256 + +static void nsvg__parseContent(char* s, + void (*contentCb)(void* ud, const char* s), + void* ud) +{ + // Trim start white spaces + while (*s && nsvg__isspace(*s)) s++; + if (!*s) return; + + if (contentCb) + (*contentCb)(ud, s); +} + +static void nsvg__parseElement(char* s, + void (*startelCb)(void* ud, const char* el, const char** attr), + void (*endelCb)(void* ud, const char* el), + void* ud) +{ + const char* attr[NSVG_XML_MAX_ATTRIBS]; + int nattr = 0; + char* name; + int start = 0; + int end = 0; + char quote; + + // Skip white space after the '<' + while (*s && nsvg__isspace(*s)) s++; + + // Check if the tag is end tag + if (*s == '/') { + s++; + end = 1; + } else { + start = 1; + } + + // Skip comments, data and preprocessor stuff. + if (!*s || *s == '?' || *s == '!') + return; + + // Get tag name + name = s; + while (*s && !nsvg__isspace(*s)) s++; + if (*s) { *s++ = '\0'; } + + // Get attribs + while (!end && *s && nattr < NSVG_XML_MAX_ATTRIBS-3) { + char* name = NULL; + char* value = NULL; + + // Skip white space before the attrib name + while (*s && nsvg__isspace(*s)) s++; + if (!*s) break; + if (*s == '/') { + end = 1; + break; + } + name = s; + // Find end of the attrib name. + while (*s && !nsvg__isspace(*s) && *s != '=') s++; + if (*s) { *s++ = '\0'; } + // Skip until the beginning of the value. + while (*s && *s != '\"' && *s != '\'') s++; + if (!*s) break; + quote = *s; + s++; + // Store value and find the end of it. + value = s; + while (*s && *s != quote) s++; + if (*s) { *s++ = '\0'; } + + // Store only well formed attributes + if (name && value) { + attr[nattr++] = name; + attr[nattr++] = value; + } + } + + // List terminator + attr[nattr++] = 0; + attr[nattr++] = 0; + + // Call callbacks. + if (start && startelCb) + (*startelCb)(ud, name, attr); + if (end && endelCb) + (*endelCb)(ud, name); +} + +int nsvg__parseXML(char* input, + void (*startelCb)(void* ud, const char* el, const char** attr), + void (*endelCb)(void* ud, const char* el), + void (*contentCb)(void* ud, const char* s), + void* ud) +{ + char* s = input; + char* mark = s; + int state = NSVG_XML_CONTENT; + while (*s) { + if (*s == '<' && state == NSVG_XML_CONTENT) { + // Start of a tag + *s++ = '\0'; + nsvg__parseContent(mark, contentCb, ud); + mark = s; + state = NSVG_XML_TAG; + } else if (*s == '>' && state == NSVG_XML_TAG) { + // Start of a content or new tag. + *s++ = '\0'; + nsvg__parseElement(mark, startelCb, endelCb, ud); + mark = s; + state = NSVG_XML_CONTENT; + } else { + s++; + } + } + + return 1; +} + + +/* Simple SVG parser. */ + +#define NSVG_MAX_ATTR 128 + +enum NSVGgradientUnits { + NSVG_USER_SPACE = 0, + NSVG_OBJECT_SPACE = 1 +}; + +#define NSVG_MAX_DASHES 8 + +enum NSVGunits { + NSVG_UNITS_USER, + NSVG_UNITS_PX, + NSVG_UNITS_PT, + NSVG_UNITS_PC, + NSVG_UNITS_MM, + NSVG_UNITS_CM, + NSVG_UNITS_IN, + NSVG_UNITS_PERCENT, + NSVG_UNITS_EM, + NSVG_UNITS_EX +}; + +typedef struct NSVGcoordinate { + float value; + int units; +} NSVGcoordinate; + +typedef struct NSVGlinearData { + NSVGcoordinate x1, y1, x2, y2; +} NSVGlinearData; + +typedef struct NSVGradialData { + NSVGcoordinate cx, cy, r, fx, fy; +} NSVGradialData; + +typedef struct NSVGgradientData +{ + char id[64]; + char ref[64]; + char type; + union { + NSVGlinearData linear; + NSVGradialData radial; + }; + char spread; + char units; + float xform[6]; + int nstops; + NSVGgradientStop* stops; + struct NSVGgradientData* next; +} NSVGgradientData; + +typedef struct NSVGattrib +{ + char id[64]; + float xform[6]; + unsigned int fillColor; + unsigned int strokeColor; + float opacity; + float fillOpacity; + float strokeOpacity; + char fillGradient[64]; + char strokeGradient[64]; + float strokeWidth; + float strokeDashOffset; + float strokeDashArray[NSVG_MAX_DASHES]; + int strokeDashCount; + char strokeLineJoin; + char strokeLineCap; + float miterLimit; + char fillRule; + float fontSize; + unsigned int stopColor; + float stopOpacity; + float stopOffset; + char hasFill; + char hasStroke; + char visible; +} NSVGattrib; + +typedef struct NSVGparser +{ + NSVGattrib attr[NSVG_MAX_ATTR]; + int attrHead; + float* pts; + int npts; + int cpts; + NSVGpath* plist; + NSVGimage* image; + NSVGgradientData* gradients; + NSVGshape* shapesTail; + float viewMinx, viewMiny, viewWidth, viewHeight; + int alignX, alignY, alignType; + float dpi; + char pathFlag; + char defsFlag; +} NSVGparser; + +static void nsvg__xformIdentity(float* t) +{ + t[0] = 1.0f; t[1] = 0.0f; + t[2] = 0.0f; t[3] = 1.0f; + t[4] = 0.0f; t[5] = 0.0f; +} + +static void nsvg__xformSetTranslation(float* t, float tx, float ty) +{ + t[0] = 1.0f; t[1] = 0.0f; + t[2] = 0.0f; t[3] = 1.0f; + t[4] = tx; t[5] = ty; +} + +static void nsvg__xformSetScale(float* t, float sx, float sy) +{ + t[0] = sx; t[1] = 0.0f; + t[2] = 0.0f; t[3] = sy; + t[4] = 0.0f; t[5] = 0.0f; +} + +static void nsvg__xformSetSkewX(float* t, float a) +{ + t[0] = 1.0f; t[1] = 0.0f; + t[2] = tanf(a); t[3] = 1.0f; + t[4] = 0.0f; t[5] = 0.0f; +} + +static void nsvg__xformSetSkewY(float* t, float a) +{ + t[0] = 1.0f; t[1] = tanf(a); + t[2] = 0.0f; t[3] = 1.0f; + t[4] = 0.0f; t[5] = 0.0f; +} + +static void nsvg__xformSetRotation(float* t, float a) +{ + float cs = cosf(a), sn = sinf(a); + t[0] = cs; t[1] = sn; + t[2] = -sn; t[3] = cs; + t[4] = 0.0f; t[5] = 0.0f; +} + +static void nsvg__xformMultiply(float* t, float* s) +{ + float t0 = t[0] * s[0] + t[1] * s[2]; + float t2 = t[2] * s[0] + t[3] * s[2]; + float t4 = t[4] * s[0] + t[5] * s[2] + s[4]; + t[1] = t[0] * s[1] + t[1] * s[3]; + t[3] = t[2] * s[1] + t[3] * s[3]; + t[5] = t[4] * s[1] + t[5] * s[3] + s[5]; + t[0] = t0; + t[2] = t2; + t[4] = t4; +} + +static void nsvg__xformInverse(float* inv, float* t) +{ + double invdet, det = (double)t[0] * t[3] - (double)t[2] * t[1]; + if (det > -1e-6 && det < 1e-6) { + nsvg__xformIdentity(t); + return; + } + invdet = 1.0 / det; + inv[0] = (float)(t[3] * invdet); + inv[2] = (float)(-t[2] * invdet); + inv[4] = (float)(((double)t[2] * t[5] - (double)t[3] * t[4]) * invdet); + inv[1] = (float)(-t[1] * invdet); + inv[3] = (float)(t[0] * invdet); + inv[5] = (float)(((double)t[1] * t[4] - (double)t[0] * t[5]) * invdet); +} + +static void nsvg__xformPremultiply(float* t, float* s) +{ + float s2[6]; + memcpy(s2, s, sizeof(float)*6); + nsvg__xformMultiply(s2, t); + memcpy(t, s2, sizeof(float)*6); +} + +static void nsvg__xformPoint(float* dx, float* dy, float x, float y, float* t) +{ + *dx = x*t[0] + y*t[2] + t[4]; + *dy = x*t[1] + y*t[3] + t[5]; +} + +static void nsvg__xformVec(float* dx, float* dy, float x, float y, float* t) +{ + *dx = x*t[0] + y*t[2]; + *dy = x*t[1] + y*t[3]; +} + +#define NSVG_EPSILON (1e-12) + +static int nsvg__ptInBounds(float* pt, float* bounds) +{ + return pt[0] >= bounds[0] && pt[0] <= bounds[2] && pt[1] >= bounds[1] && pt[1] <= bounds[3]; +} + + +static double nsvg__evalBezier(double t, double p0, double p1, double p2, double p3) +{ + double it = 1.0-t; + return it*it*it*p0 + 3.0*it*it*t*p1 + 3.0*it*t*t*p2 + t*t*t*p3; +} + +static void nsvg__curveBounds(float* bounds, float* curve) +{ + int i, j, count; + double roots[2], a, b, c, b2ac, t, v; + float* v0 = &curve[0]; + float* v1 = &curve[2]; + float* v2 = &curve[4]; + float* v3 = &curve[6]; + + // Start the bounding box by end points + bounds[0] = nsvg__minf(v0[0], v3[0]); + bounds[1] = nsvg__minf(v0[1], v3[1]); + bounds[2] = nsvg__maxf(v0[0], v3[0]); + bounds[3] = nsvg__maxf(v0[1], v3[1]); + + // Bezier curve fits inside the convex hull of it's control points. + // If control points are inside the bounds, we're done. + if (nsvg__ptInBounds(v1, bounds) && nsvg__ptInBounds(v2, bounds)) + return; + + // Add bezier curve inflection points in X and Y. + for (i = 0; i < 2; i++) { + a = -3.0 * v0[i] + 9.0 * v1[i] - 9.0 * v2[i] + 3.0 * v3[i]; + b = 6.0 * v0[i] - 12.0 * v1[i] + 6.0 * v2[i]; + c = 3.0 * v1[i] - 3.0 * v0[i]; + count = 0; + if (fabs(a) < NSVG_EPSILON) { + if (fabs(b) > NSVG_EPSILON) { + t = -c / b; + if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) + roots[count++] = t; + } + } else { + b2ac = b*b - 4.0*c*a; + if (b2ac > NSVG_EPSILON) { + t = (-b + sqrt(b2ac)) / (2.0 * a); + if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) + roots[count++] = t; + t = (-b - sqrt(b2ac)) / (2.0 * a); + if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) + roots[count++] = t; + } + } + for (j = 0; j < count; j++) { + v = nsvg__evalBezier(roots[j], v0[i], v1[i], v2[i], v3[i]); + bounds[0+i] = nsvg__minf(bounds[0+i], (float)v); + bounds[2+i] = nsvg__maxf(bounds[2+i], (float)v); + } + } +} + +static NSVGparser* nsvg__createParser() +{ + NSVGparser* p; + p = (NSVGparser*)malloc(sizeof(NSVGparser)); + if (p == NULL) goto error; + memset(p, 0, sizeof(NSVGparser)); + + p->image = (NSVGimage*)malloc(sizeof(NSVGimage)); + if (p->image == NULL) goto error; + memset(p->image, 0, sizeof(NSVGimage)); + + // Init style + nsvg__xformIdentity(p->attr[0].xform); + memset(p->attr[0].id, 0, sizeof p->attr[0].id); + p->attr[0].fillColor = NSVG_RGB(0,0,0); + p->attr[0].strokeColor = NSVG_RGB(0,0,0); + p->attr[0].opacity = 1; + p->attr[0].fillOpacity = 1; + p->attr[0].strokeOpacity = 1; + p->attr[0].stopOpacity = 1; + p->attr[0].strokeWidth = 1; + p->attr[0].strokeLineJoin = NSVG_JOIN_MITER; + p->attr[0].strokeLineCap = NSVG_CAP_BUTT; + p->attr[0].miterLimit = 4; + p->attr[0].fillRule = NSVG_FILLRULE_NONZERO; + p->attr[0].hasFill = 1; + p->attr[0].visible = 1; + + return p; + +error: + if (p) { + if (p->image) free(p->image); + free(p); + } + return NULL; +} + +static void nsvg__deletePaths(NSVGpath* path) +{ + while (path) { + NSVGpath *next = path->next; + if (path->pts != NULL) + free(path->pts); + free(path); + path = next; + } +} + +static void nsvg__deletePaint(NSVGpaint* paint) +{ + if (paint->type == NSVG_PAINT_LINEAR_GRADIENT || paint->type == NSVG_PAINT_RADIAL_GRADIENT) + free(paint->gradient); +} + +static void nsvg__deleteGradientData(NSVGgradientData* grad) +{ + NSVGgradientData* next; + while (grad != NULL) { + next = grad->next; + free(grad->stops); + free(grad); + grad = next; + } +} + +static void nsvg__deleteParser(NSVGparser* p) +{ + if (p != NULL) { + nsvg__deletePaths(p->plist); + nsvg__deleteGradientData(p->gradients); + nsvgDelete(p->image); + free(p->pts); + free(p); + } +} + +static void nsvg__resetPath(NSVGparser* p) +{ + p->npts = 0; +} + +static void nsvg__addPoint(NSVGparser* p, float x, float y) +{ + if (p->npts+1 > p->cpts) { + p->cpts = p->cpts ? p->cpts*2 : 8; + p->pts = (float*)realloc(p->pts, p->cpts*2*sizeof(float)); + if (!p->pts) return; + } + p->pts[p->npts*2+0] = x; + p->pts[p->npts*2+1] = y; + p->npts++; +} + +static void nsvg__moveTo(NSVGparser* p, float x, float y) +{ + if (p->npts > 0) { + p->pts[(p->npts-1)*2+0] = x; + p->pts[(p->npts-1)*2+1] = y; + } else { + nsvg__addPoint(p, x, y); + } +} + +static void nsvg__lineTo(NSVGparser* p, float x, float y) +{ + float px,py, dx,dy; + if (p->npts > 0) { + px = p->pts[(p->npts-1)*2+0]; + py = p->pts[(p->npts-1)*2+1]; + dx = x - px; + dy = y - py; + nsvg__addPoint(p, px + dx/3.0f, py + dy/3.0f); + nsvg__addPoint(p, x - dx/3.0f, y - dy/3.0f); + nsvg__addPoint(p, x, y); + } +} + +static void nsvg__cubicBezTo(NSVGparser* p, float cpx1, float cpy1, float cpx2, float cpy2, float x, float y) +{ + nsvg__addPoint(p, cpx1, cpy1); + nsvg__addPoint(p, cpx2, cpy2); + nsvg__addPoint(p, x, y); +} + +static NSVGattrib* nsvg__getAttr(NSVGparser* p) +{ + return &p->attr[p->attrHead]; +} + +static void nsvg__pushAttr(NSVGparser* p) +{ + if (p->attrHead < NSVG_MAX_ATTR-1) { + p->attrHead++; + memcpy(&p->attr[p->attrHead], &p->attr[p->attrHead-1], sizeof(NSVGattrib)); + } +} + +static void nsvg__popAttr(NSVGparser* p) +{ + if (p->attrHead > 0) + p->attrHead--; +} + +static float nsvg__actualOrigX(NSVGparser* p) +{ + return p->viewMinx; +} + +static float nsvg__actualOrigY(NSVGparser* p) +{ + return p->viewMiny; +} + +static float nsvg__actualWidth(NSVGparser* p) +{ + return p->viewWidth; +} + +static float nsvg__actualHeight(NSVGparser* p) +{ + return p->viewHeight; +} + +static float nsvg__actualLength(NSVGparser* p) +{ + float w = nsvg__actualWidth(p), h = nsvg__actualHeight(p); + return sqrtf(w*w + h*h) / sqrtf(2.0f); +} + +static float nsvg__convertToPixels(NSVGparser* p, NSVGcoordinate c, float orig, float length) +{ + NSVGattrib* attr = nsvg__getAttr(p); + switch (c.units) { + case NSVG_UNITS_USER: return c.value; + case NSVG_UNITS_PX: return c.value; + case NSVG_UNITS_PT: return c.value / 72.0f * p->dpi; + case NSVG_UNITS_PC: return c.value / 6.0f * p->dpi; + case NSVG_UNITS_MM: return c.value / 25.4f * p->dpi; + case NSVG_UNITS_CM: return c.value / 2.54f * p->dpi; + case NSVG_UNITS_IN: return c.value * p->dpi; + case NSVG_UNITS_EM: return c.value * attr->fontSize; + case NSVG_UNITS_EX: return c.value * attr->fontSize * 0.52f; // x-height of Helvetica. + case NSVG_UNITS_PERCENT: return orig + c.value / 100.0f * length; + default: return c.value; + } + return c.value; +} + +static NSVGgradientData* nsvg__findGradientData(NSVGparser* p, const char* id) +{ + NSVGgradientData* grad = p->gradients; + while (grad) { + if (strcmp(grad->id, id) == 0) + return grad; + grad = grad->next; + } + return NULL; +} + +static NSVGgradient* nsvg__createGradient(NSVGparser* p, const char* id, const float* localBounds, char* paintType) +{ + NSVGattrib* attr = nsvg__getAttr(p); + NSVGgradientData* data = NULL; + NSVGgradientData* ref = NULL; + NSVGgradientStop* stops = NULL; + NSVGgradient* grad; + float ox, oy, sw, sh, sl; + int nstops = 0; + + data = nsvg__findGradientData(p, id); + if (data == NULL) return NULL; + + // TODO: use ref to fill in all unset values too. + ref = data; + while (ref != NULL) { + if (stops == NULL && ref->stops != NULL) { + stops = ref->stops; + nstops = ref->nstops; + break; + } + ref = nsvg__findGradientData(p, ref->ref); + } + if (stops == NULL) return NULL; + + grad = (NSVGgradient*)malloc(sizeof(NSVGgradient) + sizeof(NSVGgradientStop)*(nstops-1)); + if (grad == NULL) return NULL; + + // The shape width and height. + if (data->units == NSVG_OBJECT_SPACE) { + ox = localBounds[0]; + oy = localBounds[1]; + sw = localBounds[2] - localBounds[0]; + sh = localBounds[3] - localBounds[1]; + } else { + ox = nsvg__actualOrigX(p); + oy = nsvg__actualOrigY(p); + sw = nsvg__actualWidth(p); + sh = nsvg__actualHeight(p); + } + sl = sqrtf(sw*sw + sh*sh) / sqrtf(2.0f); + + if (data->type == NSVG_PAINT_LINEAR_GRADIENT) { + float x1, y1, x2, y2, dx, dy; + x1 = nsvg__convertToPixels(p, data->linear.x1, ox, sw); + y1 = nsvg__convertToPixels(p, data->linear.y1, oy, sh); + x2 = nsvg__convertToPixels(p, data->linear.x2, ox, sw); + y2 = nsvg__convertToPixels(p, data->linear.y2, oy, sh); + // Calculate transform aligned to the line + dx = x2 - x1; + dy = y2 - y1; + grad->xform[0] = dy; grad->xform[1] = -dx; + grad->xform[2] = dx; grad->xform[3] = dy; + grad->xform[4] = x1; grad->xform[5] = y1; + } else { + float cx, cy, fx, fy, r; + cx = nsvg__convertToPixels(p, data->radial.cx, ox, sw); + cy = nsvg__convertToPixels(p, data->radial.cy, oy, sh); + fx = nsvg__convertToPixels(p, data->radial.fx, ox, sw); + fy = nsvg__convertToPixels(p, data->radial.fy, oy, sh); + r = nsvg__convertToPixels(p, data->radial.r, 0, sl); + // Calculate transform aligned to the circle + grad->xform[0] = r; grad->xform[1] = 0; + grad->xform[2] = 0; grad->xform[3] = r; + grad->xform[4] = cx; grad->xform[5] = cy; + grad->fx = fx / r; + grad->fy = fy / r; + } + + nsvg__xformMultiply(grad->xform, data->xform); + nsvg__xformMultiply(grad->xform, attr->xform); + + grad->spread = data->spread; + memcpy(grad->stops, stops, nstops*sizeof(NSVGgradientStop)); + grad->nstops = nstops; + + *paintType = data->type; + + return grad; +} + +static float nsvg__getAverageScale(float* t) +{ + float sx = sqrtf(t[0]*t[0] + t[2]*t[2]); + float sy = sqrtf(t[1]*t[1] + t[3]*t[3]); + return (sx + sy) * 0.5f; +} + +static void nsvg__getLocalBounds(float* bounds, NSVGshape *shape, float* xform) +{ + NSVGpath* path; + float curve[4*2], curveBounds[4]; + int i, first = 1; + for (path = shape->paths; path != NULL; path = path->next) { + nsvg__xformPoint(&curve[0], &curve[1], path->pts[0], path->pts[1], xform); + for (i = 0; i < path->npts-1; i += 3) { + nsvg__xformPoint(&curve[2], &curve[3], path->pts[(i+1)*2], path->pts[(i+1)*2+1], xform); + nsvg__xformPoint(&curve[4], &curve[5], path->pts[(i+2)*2], path->pts[(i+2)*2+1], xform); + nsvg__xformPoint(&curve[6], &curve[7], path->pts[(i+3)*2], path->pts[(i+3)*2+1], xform); + nsvg__curveBounds(curveBounds, curve); + if (first) { + bounds[0] = curveBounds[0]; + bounds[1] = curveBounds[1]; + bounds[2] = curveBounds[2]; + bounds[3] = curveBounds[3]; + first = 0; + } else { + bounds[0] = nsvg__minf(bounds[0], curveBounds[0]); + bounds[1] = nsvg__minf(bounds[1], curveBounds[1]); + bounds[2] = nsvg__maxf(bounds[2], curveBounds[2]); + bounds[3] = nsvg__maxf(bounds[3], curveBounds[3]); + } + curve[0] = curve[6]; + curve[1] = curve[7]; + } + } +} + +static void nsvg__addShape(NSVGparser* p) +{ + NSVGattrib* attr = nsvg__getAttr(p); + float scale = 1.0f; + NSVGshape* shape; + NSVGpath* path; + int i; + + if (p->plist == NULL) + return; + + shape = (NSVGshape*)malloc(sizeof(NSVGshape)); + if (shape == NULL) goto error; + memset(shape, 0, sizeof(NSVGshape)); + + memcpy(shape->id, attr->id, sizeof shape->id); + scale = nsvg__getAverageScale(attr->xform); + shape->strokeWidth = attr->strokeWidth * scale; + shape->strokeDashOffset = attr->strokeDashOffset * scale; + shape->strokeDashCount = (char)attr->strokeDashCount; + for (i = 0; i < attr->strokeDashCount; i++) + shape->strokeDashArray[i] = attr->strokeDashArray[i] * scale; + shape->strokeLineJoin = attr->strokeLineJoin; + shape->strokeLineCap = attr->strokeLineCap; + shape->miterLimit = attr->miterLimit; + shape->fillRule = attr->fillRule; + shape->opacity = attr->opacity; + + shape->paths = p->plist; + p->plist = NULL; + + // Calculate shape bounds + shape->bounds[0] = shape->paths->bounds[0]; + shape->bounds[1] = shape->paths->bounds[1]; + shape->bounds[2] = shape->paths->bounds[2]; + shape->bounds[3] = shape->paths->bounds[3]; + for (path = shape->paths->next; path != NULL; path = path->next) { + shape->bounds[0] = nsvg__minf(shape->bounds[0], path->bounds[0]); + shape->bounds[1] = nsvg__minf(shape->bounds[1], path->bounds[1]); + shape->bounds[2] = nsvg__maxf(shape->bounds[2], path->bounds[2]); + shape->bounds[3] = nsvg__maxf(shape->bounds[3], path->bounds[3]); + } + + // Set fill + if (attr->hasFill == 0) { + shape->fill.type = NSVG_PAINT_NONE; + } else if (attr->hasFill == 1) { + shape->fill.type = NSVG_PAINT_COLOR; + shape->fill.color = attr->fillColor; + shape->fill.color |= (unsigned int)(attr->fillOpacity*255) << 24; + } else if (attr->hasFill == 2) { + float inv[6], localBounds[4]; + nsvg__xformInverse(inv, attr->xform); + nsvg__getLocalBounds(localBounds, shape, inv); + shape->fill.gradient = nsvg__createGradient(p, attr->fillGradient, localBounds, &shape->fill.type); + if (shape->fill.gradient == NULL) { + shape->fill.type = NSVG_PAINT_NONE; + } + } + + // Set stroke + if (attr->hasStroke == 0) { + shape->stroke.type = NSVG_PAINT_NONE; + } else if (attr->hasStroke == 1) { + shape->stroke.type = NSVG_PAINT_COLOR; + shape->stroke.color = attr->strokeColor; + shape->stroke.color |= (unsigned int)(attr->strokeOpacity*255) << 24; + } else if (attr->hasStroke == 2) { + float inv[6], localBounds[4]; + nsvg__xformInverse(inv, attr->xform); + nsvg__getLocalBounds(localBounds, shape, inv); + shape->stroke.gradient = nsvg__createGradient(p, attr->strokeGradient, localBounds, &shape->stroke.type); + if (shape->stroke.gradient == NULL) + shape->stroke.type = NSVG_PAINT_NONE; + } + + // Set flags + shape->flags = (attr->visible ? NSVG_FLAGS_VISIBLE : 0x00); + + // Add to tail + if (p->image->shapes == NULL) + p->image->shapes = shape; + else + p->shapesTail->next = shape; + p->shapesTail = shape; + + return; + +error: + if (shape) free(shape); +} + +static void nsvg__addPath(NSVGparser* p, char closed) +{ + NSVGattrib* attr = nsvg__getAttr(p); + NSVGpath* path = NULL; + float bounds[4]; + float* curve; + int i; + + if (p->npts < 4) + return; + + if (closed) + nsvg__lineTo(p, p->pts[0], p->pts[1]); + + path = (NSVGpath*)malloc(sizeof(NSVGpath)); + if (path == NULL) goto error; + memset(path, 0, sizeof(NSVGpath)); + + path->pts = (float*)malloc(p->npts*2*sizeof(float)); + if (path->pts == NULL) goto error; + path->closed = closed; + path->npts = p->npts; + + // Transform path. + for (i = 0; i < p->npts; ++i) + nsvg__xformPoint(&path->pts[i*2], &path->pts[i*2+1], p->pts[i*2], p->pts[i*2+1], attr->xform); + + // Find bounds + for (i = 0; i < path->npts-1; i += 3) { + curve = &path->pts[i*2]; + nsvg__curveBounds(bounds, curve); + if (i == 0) { + path->bounds[0] = bounds[0]; + path->bounds[1] = bounds[1]; + path->bounds[2] = bounds[2]; + path->bounds[3] = bounds[3]; + } else { + path->bounds[0] = nsvg__minf(path->bounds[0], bounds[0]); + path->bounds[1] = nsvg__minf(path->bounds[1], bounds[1]); + path->bounds[2] = nsvg__maxf(path->bounds[2], bounds[2]); + path->bounds[3] = nsvg__maxf(path->bounds[3], bounds[3]); + } + } + + path->next = p->plist; + p->plist = path; + + return; + +error: + if (path != NULL) { + if (path->pts != NULL) free(path->pts); + free(path); + } +} + +// We roll our own string to float because the std library one uses locale and messes things up. +static double nsvg__atof(const char* s) +{ + char* cur = (char*)s; + char* end = NULL; + double res = 0.0, sign = 1.0; + long long intPart = 0, fracPart = 0; + char hasIntPart = 0, hasFracPart = 0; + + // Parse optional sign + if (*cur == '+') { + cur++; + } else if (*cur == '-') { + sign = -1; + cur++; + } + + // Parse integer part + if (nsvg__isdigit(*cur)) { + // Parse digit sequence + intPart = (double)strtoll(cur, &end, 10); + if (cur != end) { + res = (double)intPart; + hasIntPart = 1; + cur = end; + } + } + + // Parse fractional part. + if (*cur == '.') { + cur++; // Skip '.' + if (nsvg__isdigit(*cur)) { + // Parse digit sequence + fracPart = strtoll(cur, &end, 10); + if (cur != end) { + res += (double)fracPart / pow(10.0, (double)(end - cur)); + hasFracPart = 1; + cur = end; + } + } + } + + // A valid number should have integer or fractional part. + if (!hasIntPart && !hasFracPart) + return 0.0; + + // Parse optional exponent + if (*cur == 'e' || *cur == 'E') { + int expPart = 0; + cur++; // skip 'E' + expPart = strtol(cur, &end, 10); // Parse digit sequence with sign + if (cur != end) { + res *= pow(10.0, (double)expPart); + } + } + + return res * sign; +} + + +static const char* nsvg__parseNumber(const char* s, char* it, const int size) +{ + const int last = size-1; + int i = 0; + + // sign + if (*s == '-' || *s == '+') { + if (i < last) it[i++] = *s; + s++; + } + // integer part + while (*s && nsvg__isdigit(*s)) { + if (i < last) it[i++] = *s; + s++; + } + if (*s == '.') { + // decimal point + if (i < last) it[i++] = *s; + s++; + // fraction part + while (*s && nsvg__isdigit(*s)) { + if (i < last) it[i++] = *s; + s++; + } + } + // exponent + if (*s == 'e' || *s == 'E') { + if (i < last) it[i++] = *s; + s++; + if (*s == '-' || *s == '+') { + if (i < last) it[i++] = *s; + s++; + } + while (*s && nsvg__isdigit(*s)) { + if (i < last) it[i++] = *s; + s++; + } + } + it[i] = '\0'; + + return s; +} + +static const char* nsvg__getNextPathItem(const char* s, char* it) +{ + it[0] = '\0'; + // Skip white spaces and commas + while (*s && (nsvg__isspace(*s) || *s == ',')) s++; + if (!*s) return s; + if (*s == '-' || *s == '+' || *s == '.' || nsvg__isdigit(*s)) { + s = nsvg__parseNumber(s, it, 64); + } else { + // Parse command + it[0] = *s++; + it[1] = '\0'; + return s; + } + + return s; +} + +static unsigned int nsvg__parseColorHex(const char* str) +{ + unsigned int c = 0, r = 0, g = 0, b = 0; + int n = 0; + str++; // skip # + // Calculate number of characters. + while(str[n] && !nsvg__isspace(str[n])) + n++; + if (n == 6) { + sscanf(str, "%x", &c); + } else if (n == 3) { + sscanf(str, "%x", &c); + c = (c&0xf) | ((c&0xf0) << 4) | ((c&0xf00) << 8); + c |= c<<4; + } + r = (c >> 16) & 0xff; + g = (c >> 8) & 0xff; + b = c & 0xff; + return NSVG_RGB(r,g,b); +} + +static unsigned int nsvg__parseColorRGB(const char* str) +{ + int r = -1, g = -1, b = -1; + char s1[32]="", s2[32]=""; + sscanf(str + 4, "%d%[%%, \t]%d%[%%, \t]%d", &r, s1, &g, s2, &b); + if (strchr(s1, '%')) { + return NSVG_RGB((r*255)/100,(g*255)/100,(b*255)/100); + } else { + return NSVG_RGB(r,g,b); + } +} + +typedef struct NSVGNamedColor { + const char* name; + unsigned int color; +} NSVGNamedColor; + +NSVGNamedColor nsvg__colors[] = { + + { "red", NSVG_RGB(255, 0, 0) }, + { "green", NSVG_RGB( 0, 128, 0) }, + { "blue", NSVG_RGB( 0, 0, 255) }, + { "yellow", NSVG_RGB(255, 255, 0) }, + { "cyan", NSVG_RGB( 0, 255, 255) }, + { "magenta", NSVG_RGB(255, 0, 255) }, + { "black", NSVG_RGB( 0, 0, 0) }, + { "grey", NSVG_RGB(128, 128, 128) }, + { "gray", NSVG_RGB(128, 128, 128) }, + { "white", NSVG_RGB(255, 255, 255) }, + +#ifdef NANOSVG_ALL_COLOR_KEYWORDS + { "aliceblue", NSVG_RGB(240, 248, 255) }, + { "antiquewhite", NSVG_RGB(250, 235, 215) }, + { "aqua", NSVG_RGB( 0, 255, 255) }, + { "aquamarine", NSVG_RGB(127, 255, 212) }, + { "azure", NSVG_RGB(240, 255, 255) }, + { "beige", NSVG_RGB(245, 245, 220) }, + { "bisque", NSVG_RGB(255, 228, 196) }, + { "blanchedalmond", NSVG_RGB(255, 235, 205) }, + { "blueviolet", NSVG_RGB(138, 43, 226) }, + { "brown", NSVG_RGB(165, 42, 42) }, + { "burlywood", NSVG_RGB(222, 184, 135) }, + { "cadetblue", NSVG_RGB( 95, 158, 160) }, + { "chartreuse", NSVG_RGB(127, 255, 0) }, + { "chocolate", NSVG_RGB(210, 105, 30) }, + { "coral", NSVG_RGB(255, 127, 80) }, + { "cornflowerblue", NSVG_RGB(100, 149, 237) }, + { "cornsilk", NSVG_RGB(255, 248, 220) }, + { "crimson", NSVG_RGB(220, 20, 60) }, + { "darkblue", NSVG_RGB( 0, 0, 139) }, + { "darkcyan", NSVG_RGB( 0, 139, 139) }, + { "darkgoldenrod", NSVG_RGB(184, 134, 11) }, + { "darkgray", NSVG_RGB(169, 169, 169) }, + { "darkgreen", NSVG_RGB( 0, 100, 0) }, + { "darkgrey", NSVG_RGB(169, 169, 169) }, + { "darkkhaki", NSVG_RGB(189, 183, 107) }, + { "darkmagenta", NSVG_RGB(139, 0, 139) }, + { "darkolivegreen", NSVG_RGB( 85, 107, 47) }, + { "darkorange", NSVG_RGB(255, 140, 0) }, + { "darkorchid", NSVG_RGB(153, 50, 204) }, + { "darkred", NSVG_RGB(139, 0, 0) }, + { "darksalmon", NSVG_RGB(233, 150, 122) }, + { "darkseagreen", NSVG_RGB(143, 188, 143) }, + { "darkslateblue", NSVG_RGB( 72, 61, 139) }, + { "darkslategray", NSVG_RGB( 47, 79, 79) }, + { "darkslategrey", NSVG_RGB( 47, 79, 79) }, + { "darkturquoise", NSVG_RGB( 0, 206, 209) }, + { "darkviolet", NSVG_RGB(148, 0, 211) }, + { "deeppink", NSVG_RGB(255, 20, 147) }, + { "deepskyblue", NSVG_RGB( 0, 191, 255) }, + { "dimgray", NSVG_RGB(105, 105, 105) }, + { "dimgrey", NSVG_RGB(105, 105, 105) }, + { "dodgerblue", NSVG_RGB( 30, 144, 255) }, + { "firebrick", NSVG_RGB(178, 34, 34) }, + { "floralwhite", NSVG_RGB(255, 250, 240) }, + { "forestgreen", NSVG_RGB( 34, 139, 34) }, + { "fuchsia", NSVG_RGB(255, 0, 255) }, + { "gainsboro", NSVG_RGB(220, 220, 220) }, + { "ghostwhite", NSVG_RGB(248, 248, 255) }, + { "gold", NSVG_RGB(255, 215, 0) }, + { "goldenrod", NSVG_RGB(218, 165, 32) }, + { "greenyellow", NSVG_RGB(173, 255, 47) }, + { "honeydew", NSVG_RGB(240, 255, 240) }, + { "hotpink", NSVG_RGB(255, 105, 180) }, + { "indianred", NSVG_RGB(205, 92, 92) }, + { "indigo", NSVG_RGB( 75, 0, 130) }, + { "ivory", NSVG_RGB(255, 255, 240) }, + { "khaki", NSVG_RGB(240, 230, 140) }, + { "lavender", NSVG_RGB(230, 230, 250) }, + { "lavenderblush", NSVG_RGB(255, 240, 245) }, + { "lawngreen", NSVG_RGB(124, 252, 0) }, + { "lemonchiffon", NSVG_RGB(255, 250, 205) }, + { "lightblue", NSVG_RGB(173, 216, 230) }, + { "lightcoral", NSVG_RGB(240, 128, 128) }, + { "lightcyan", NSVG_RGB(224, 255, 255) }, + { "lightgoldenrodyellow", NSVG_RGB(250, 250, 210) }, + { "lightgray", NSVG_RGB(211, 211, 211) }, + { "lightgreen", NSVG_RGB(144, 238, 144) }, + { "lightgrey", NSVG_RGB(211, 211, 211) }, + { "lightpink", NSVG_RGB(255, 182, 193) }, + { "lightsalmon", NSVG_RGB(255, 160, 122) }, + { "lightseagreen", NSVG_RGB( 32, 178, 170) }, + { "lightskyblue", NSVG_RGB(135, 206, 250) }, + { "lightslategray", NSVG_RGB(119, 136, 153) }, + { "lightslategrey", NSVG_RGB(119, 136, 153) }, + { "lightsteelblue", NSVG_RGB(176, 196, 222) }, + { "lightyellow", NSVG_RGB(255, 255, 224) }, + { "lime", NSVG_RGB( 0, 255, 0) }, + { "limegreen", NSVG_RGB( 50, 205, 50) }, + { "linen", NSVG_RGB(250, 240, 230) }, + { "maroon", NSVG_RGB(128, 0, 0) }, + { "mediumaquamarine", NSVG_RGB(102, 205, 170) }, + { "mediumblue", NSVG_RGB( 0, 0, 205) }, + { "mediumorchid", NSVG_RGB(186, 85, 211) }, + { "mediumpurple", NSVG_RGB(147, 112, 219) }, + { "mediumseagreen", NSVG_RGB( 60, 179, 113) }, + { "mediumslateblue", NSVG_RGB(123, 104, 238) }, + { "mediumspringgreen", NSVG_RGB( 0, 250, 154) }, + { "mediumturquoise", NSVG_RGB( 72, 209, 204) }, + { "mediumvioletred", NSVG_RGB(199, 21, 133) }, + { "midnightblue", NSVG_RGB( 25, 25, 112) }, + { "mintcream", NSVG_RGB(245, 255, 250) }, + { "mistyrose", NSVG_RGB(255, 228, 225) }, + { "moccasin", NSVG_RGB(255, 228, 181) }, + { "navajowhite", NSVG_RGB(255, 222, 173) }, + { "navy", NSVG_RGB( 0, 0, 128) }, + { "oldlace", NSVG_RGB(253, 245, 230) }, + { "olive", NSVG_RGB(128, 128, 0) }, + { "olivedrab", NSVG_RGB(107, 142, 35) }, + { "orange", NSVG_RGB(255, 165, 0) }, + { "orangered", NSVG_RGB(255, 69, 0) }, + { "orchid", NSVG_RGB(218, 112, 214) }, + { "palegoldenrod", NSVG_RGB(238, 232, 170) }, + { "palegreen", NSVG_RGB(152, 251, 152) }, + { "paleturquoise", NSVG_RGB(175, 238, 238) }, + { "palevioletred", NSVG_RGB(219, 112, 147) }, + { "papayawhip", NSVG_RGB(255, 239, 213) }, + { "peachpuff", NSVG_RGB(255, 218, 185) }, + { "peru", NSVG_RGB(205, 133, 63) }, + { "pink", NSVG_RGB(255, 192, 203) }, + { "plum", NSVG_RGB(221, 160, 221) }, + { "powderblue", NSVG_RGB(176, 224, 230) }, + { "purple", NSVG_RGB(128, 0, 128) }, + { "rosybrown", NSVG_RGB(188, 143, 143) }, + { "royalblue", NSVG_RGB( 65, 105, 225) }, + { "saddlebrown", NSVG_RGB(139, 69, 19) }, + { "salmon", NSVG_RGB(250, 128, 114) }, + { "sandybrown", NSVG_RGB(244, 164, 96) }, + { "seagreen", NSVG_RGB( 46, 139, 87) }, + { "seashell", NSVG_RGB(255, 245, 238) }, + { "sienna", NSVG_RGB(160, 82, 45) }, + { "silver", NSVG_RGB(192, 192, 192) }, + { "skyblue", NSVG_RGB(135, 206, 235) }, + { "slateblue", NSVG_RGB(106, 90, 205) }, + { "slategray", NSVG_RGB(112, 128, 144) }, + { "slategrey", NSVG_RGB(112, 128, 144) }, + { "snow", NSVG_RGB(255, 250, 250) }, + { "springgreen", NSVG_RGB( 0, 255, 127) }, + { "steelblue", NSVG_RGB( 70, 130, 180) }, + { "tan", NSVG_RGB(210, 180, 140) }, + { "teal", NSVG_RGB( 0, 128, 128) }, + { "thistle", NSVG_RGB(216, 191, 216) }, + { "tomato", NSVG_RGB(255, 99, 71) }, + { "turquoise", NSVG_RGB( 64, 224, 208) }, + { "violet", NSVG_RGB(238, 130, 238) }, + { "wheat", NSVG_RGB(245, 222, 179) }, + { "whitesmoke", NSVG_RGB(245, 245, 245) }, + { "yellowgreen", NSVG_RGB(154, 205, 50) }, +#endif +}; + +static unsigned int nsvg__parseColorName(const char* str) +{ + int i, ncolors = sizeof(nsvg__colors) / sizeof(NSVGNamedColor); + + for (i = 0; i < ncolors; i++) { + if (strcmp(nsvg__colors[i].name, str) == 0) { + return nsvg__colors[i].color; + } + } + + return NSVG_RGB(128, 128, 128); +} + +static unsigned int nsvg__parseColor(const char* str) +{ + size_t len = 0; + while(*str == ' ') ++str; + len = strlen(str); + if (len >= 1 && *str == '#') + return nsvg__parseColorHex(str); + else if (len >= 4 && str[0] == 'r' && str[1] == 'g' && str[2] == 'b' && str[3] == '(') + return nsvg__parseColorRGB(str); + return nsvg__parseColorName(str); +} + +static float nsvg__parseOpacity(const char* str) +{ + float val = 0; + sscanf(str, "%f", &val); + if (val < 0.0f) val = 0.0f; + if (val > 1.0f) val = 1.0f; + return val; +} + +static float nsvg__parseMiterLimit(const char* str) +{ + float val = 0; + sscanf(str, "%f", &val); + if (val < 0.0f) val = 0.0f; + return val; +} + +static int nsvg__parseUnits(const char* units) +{ + if (units[0] == 'p' && units[1] == 'x') + return NSVG_UNITS_PX; + else if (units[0] == 'p' && units[1] == 't') + return NSVG_UNITS_PT; + else if (units[0] == 'p' && units[1] == 'c') + return NSVG_UNITS_PC; + else if (units[0] == 'm' && units[1] == 'm') + return NSVG_UNITS_MM; + else if (units[0] == 'c' && units[1] == 'm') + return NSVG_UNITS_CM; + else if (units[0] == 'i' && units[1] == 'n') + return NSVG_UNITS_IN; + else if (units[0] == '%') + return NSVG_UNITS_PERCENT; + else if (units[0] == 'e' && units[1] == 'm') + return NSVG_UNITS_EM; + else if (units[0] == 'e' && units[1] == 'x') + return NSVG_UNITS_EX; + return NSVG_UNITS_USER; +} + +static NSVGcoordinate nsvg__parseCoordinateRaw(const char* str) +{ + NSVGcoordinate coord = {0, NSVG_UNITS_USER}; + char units[32]=""; + sscanf(str, "%f%31s", &coord.value, units); + coord.units = nsvg__parseUnits(units); + return coord; +} + +static NSVGcoordinate nsvg__coord(float v, int units) +{ + NSVGcoordinate coord = {v, units}; + return coord; +} + +static float nsvg__parseCoordinate(NSVGparser* p, const char* str, float orig, float length) +{ + NSVGcoordinate coord = nsvg__parseCoordinateRaw(str); + return nsvg__convertToPixels(p, coord, orig, length); +} + +static int nsvg__parseTransformArgs(const char* str, float* args, int maxNa, int* na) +{ + const char* end; + const char* ptr; + char it[64]; + + *na = 0; + ptr = str; + while (*ptr && *ptr != '(') ++ptr; + if (*ptr == 0) + return 1; + end = ptr; + while (*end && *end != ')') ++end; + if (*end == 0) + return 1; + + while (ptr < end) { + if (*ptr == '-' || *ptr == '+' || *ptr == '.' || nsvg__isdigit(*ptr)) { + if (*na >= maxNa) return 0; + ptr = nsvg__parseNumber(ptr, it, 64); + args[(*na)++] = (float)nsvg__atof(it); + } else { + ++ptr; + } + } + return (int)(end - str); +} + + +static int nsvg__parseMatrix(float* xform, const char* str) +{ + float t[6]; + int na = 0; + int len = nsvg__parseTransformArgs(str, t, 6, &na); + if (na != 6) return len; + memcpy(xform, t, sizeof(float)*6); + return len; +} + +static int nsvg__parseTranslate(float* xform, const char* str) +{ + float args[2]; + float t[6]; + int na = 0; + int len = nsvg__parseTransformArgs(str, args, 2, &na); + if (na == 1) args[1] = 0.0; + + nsvg__xformSetTranslation(t, args[0], args[1]); + memcpy(xform, t, sizeof(float)*6); + return len; +} + +static int nsvg__parseScale(float* xform, const char* str) +{ + float args[2]; + int na = 0; + float t[6]; + int len = nsvg__parseTransformArgs(str, args, 2, &na); + if (na == 1) args[1] = args[0]; + nsvg__xformSetScale(t, args[0], args[1]); + memcpy(xform, t, sizeof(float)*6); + return len; +} + +static int nsvg__parseSkewX(float* xform, const char* str) +{ + float args[1]; + int na = 0; + float t[6]; + int len = nsvg__parseTransformArgs(str, args, 1, &na); + nsvg__xformSetSkewX(t, args[0]/180.0f*NSVG_PI); + memcpy(xform, t, sizeof(float)*6); + return len; +} + +static int nsvg__parseSkewY(float* xform, const char* str) +{ + float args[1]; + int na = 0; + float t[6]; + int len = nsvg__parseTransformArgs(str, args, 1, &na); + nsvg__xformSetSkewY(t, args[0]/180.0f*NSVG_PI); + memcpy(xform, t, sizeof(float)*6); + return len; +} + +static int nsvg__parseRotate(float* xform, const char* str) +{ + float args[3]; + int na = 0; + float m[6]; + float t[6]; + int len = nsvg__parseTransformArgs(str, args, 3, &na); + if (na == 1) + args[1] = args[2] = 0.0f; + nsvg__xformIdentity(m); + + if (na > 1) { + nsvg__xformSetTranslation(t, -args[1], -args[2]); + nsvg__xformMultiply(m, t); + } + + nsvg__xformSetRotation(t, args[0]/180.0f*NSVG_PI); + nsvg__xformMultiply(m, t); + + if (na > 1) { + nsvg__xformSetTranslation(t, args[1], args[2]); + nsvg__xformMultiply(m, t); + } + + memcpy(xform, m, sizeof(float)*6); + + return len; +} + +static void nsvg__parseTransform(float* xform, const char* str) +{ + float t[6]; + nsvg__xformIdentity(xform); + while (*str) + { + if (strncmp(str, "matrix", 6) == 0) + str += nsvg__parseMatrix(t, str); + else if (strncmp(str, "translate", 9) == 0) + str += nsvg__parseTranslate(t, str); + else if (strncmp(str, "scale", 5) == 0) + str += nsvg__parseScale(t, str); + else if (strncmp(str, "rotate", 6) == 0) + str += nsvg__parseRotate(t, str); + else if (strncmp(str, "skewX", 5) == 0) + str += nsvg__parseSkewX(t, str); + else if (strncmp(str, "skewY", 5) == 0) + str += nsvg__parseSkewY(t, str); + else{ + ++str; + continue; + } + + nsvg__xformPremultiply(xform, t); + } +} + +static void nsvg__parseUrl(char* id, const char* str) +{ + int i = 0; + str += 4; // "url("; + if (*str == '#') + str++; + while (i < 63 && *str != ')') { + id[i] = *str++; + i++; + } + id[i] = '\0'; +} + +static char nsvg__parseLineCap(const char* str) +{ + if (strcmp(str, "butt") == 0) + return NSVG_CAP_BUTT; + else if (strcmp(str, "round") == 0) + return NSVG_CAP_ROUND; + else if (strcmp(str, "square") == 0) + return NSVG_CAP_SQUARE; + // TODO: handle inherit. + return NSVG_CAP_BUTT; +} + +static char nsvg__parseLineJoin(const char* str) +{ + if (strcmp(str, "miter") == 0) + return NSVG_JOIN_MITER; + else if (strcmp(str, "round") == 0) + return NSVG_JOIN_ROUND; + else if (strcmp(str, "bevel") == 0) + return NSVG_JOIN_BEVEL; + // TODO: handle inherit. + return NSVG_JOIN_MITER; +} + +static char nsvg__parseFillRule(const char* str) +{ + if (strcmp(str, "nonzero") == 0) + return NSVG_FILLRULE_NONZERO; + else if (strcmp(str, "evenodd") == 0) + return NSVG_FILLRULE_EVENODD; + // TODO: handle inherit. + return NSVG_FILLRULE_NONZERO; +} + +static const char* nsvg__getNextDashItem(const char* s, char* it) +{ + int n = 0; + it[0] = '\0'; + // Skip white spaces and commas + while (*s && (nsvg__isspace(*s) || *s == ',')) s++; + // Advance until whitespace, comma or end. + while (*s && (!nsvg__isspace(*s) && *s != ',')) { + if (n < 63) + it[n++] = *s; + s++; + } + it[n++] = '\0'; + return s; +} + +static int nsvg__parseStrokeDashArray(NSVGparser* p, const char* str, float* strokeDashArray) +{ + char item[64]; + int count = 0, i; + float sum = 0.0f; + + // Handle "none" + if (str[0] == 'n') + return 0; + + // Parse dashes + while (*str) { + str = nsvg__getNextDashItem(str, item); + if (!*item) break; + if (count < NSVG_MAX_DASHES) + strokeDashArray[count++] = fabsf(nsvg__parseCoordinate(p, item, 0.0f, nsvg__actualLength(p))); + } + + for (i = 0; i < count; i++) + sum += strokeDashArray[i]; + if (sum <= 1e-6f) + count = 0; + + return count; +} + +static void nsvg__parseStyle(NSVGparser* p, const char* str); + +static int nsvg__parseAttr(NSVGparser* p, const char* name, const char* value) +{ + float xform[6]; + NSVGattrib* attr = nsvg__getAttr(p); + if (!attr) return 0; + + if (strcmp(name, "style") == 0) { + nsvg__parseStyle(p, value); + } else if (strcmp(name, "display") == 0) { + if (strcmp(value, "none") == 0) + attr->visible = 0; + // Don't reset ->visible on display:inline, one display:none hides the whole subtree + + } else if (strcmp(name, "fill") == 0) { + if (strcmp(value, "none") == 0) { + attr->hasFill = 0; + } else if (strncmp(value, "url(", 4) == 0) { + attr->hasFill = 2; + nsvg__parseUrl(attr->fillGradient, value); + } else { + attr->hasFill = 1; + attr->fillColor = nsvg__parseColor(value); + } + } else if (strcmp(name, "opacity") == 0) { + attr->opacity = nsvg__parseOpacity(value); + } else if (strcmp(name, "fill-opacity") == 0) { + attr->fillOpacity = nsvg__parseOpacity(value); + } else if (strcmp(name, "stroke") == 0) { + if (strcmp(value, "none") == 0) { + attr->hasStroke = 0; + } else if (strncmp(value, "url(", 4) == 0) { + attr->hasStroke = 2; + nsvg__parseUrl(attr->strokeGradient, value); + } else { + attr->hasStroke = 1; + attr->strokeColor = nsvg__parseColor(value); + } + } else if (strcmp(name, "stroke-width") == 0) { + attr->strokeWidth = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); + } else if (strcmp(name, "stroke-dasharray") == 0) { + attr->strokeDashCount = nsvg__parseStrokeDashArray(p, value, attr->strokeDashArray); + } else if (strcmp(name, "stroke-dashoffset") == 0) { + attr->strokeDashOffset = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); + } else if (strcmp(name, "stroke-opacity") == 0) { + attr->strokeOpacity = nsvg__parseOpacity(value); + } else if (strcmp(name, "stroke-linecap") == 0) { + attr->strokeLineCap = nsvg__parseLineCap(value); + } else if (strcmp(name, "stroke-linejoin") == 0) { + attr->strokeLineJoin = nsvg__parseLineJoin(value); + } else if (strcmp(name, "stroke-miterlimit") == 0) { + attr->miterLimit = nsvg__parseMiterLimit(value); + } else if (strcmp(name, "fill-rule") == 0) { + attr->fillRule = nsvg__parseFillRule(value); + } else if (strcmp(name, "font-size") == 0) { + attr->fontSize = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); + } else if (strcmp(name, "transform") == 0) { + nsvg__parseTransform(xform, value); + nsvg__xformPremultiply(attr->xform, xform); + } else if (strcmp(name, "stop-color") == 0) { + attr->stopColor = nsvg__parseColor(value); + } else if (strcmp(name, "stop-opacity") == 0) { + attr->stopOpacity = nsvg__parseOpacity(value); + } else if (strcmp(name, "offset") == 0) { + attr->stopOffset = nsvg__parseCoordinate(p, value, 0.0f, 1.0f); + } else if (strcmp(name, "id") == 0) { + strncpy(attr->id, value, 63); + attr->id[63] = '\0'; + } else { + return 0; + } + return 1; +} + +static int nsvg__parseNameValue(NSVGparser* p, const char* start, const char* end) +{ + const char* str; + const char* val; + char name[512]; + char value[512]; + int n; + + str = start; + while (str < end && *str != ':') ++str; + + val = str; + + // Right Trim + while (str > start && (*str == ':' || nsvg__isspace(*str))) --str; + ++str; + + n = (int)(str - start); + if (n > 511) n = 511; + if (n) memcpy(name, start, n); + name[n] = 0; + + while (val < end && (*val == ':' || nsvg__isspace(*val))) ++val; + + n = (int)(end - val); + if (n > 511) n = 511; + if (n) memcpy(value, val, n); + value[n] = 0; + + return nsvg__parseAttr(p, name, value); +} + +static void nsvg__parseStyle(NSVGparser* p, const char* str) +{ + const char* start; + const char* end; + + while (*str) { + // Left Trim + while(*str && nsvg__isspace(*str)) ++str; + start = str; + while(*str && *str != ';') ++str; + end = str; + + // Right Trim + while (end > start && (*end == ';' || nsvg__isspace(*end))) --end; + ++end; + + nsvg__parseNameValue(p, start, end); + if (*str) ++str; + } +} + +static void nsvg__parseAttribs(NSVGparser* p, const char** attr) +{ + int i; + for (i = 0; attr[i]; i += 2) + { + if (strcmp(attr[i], "style") == 0) + nsvg__parseStyle(p, attr[i + 1]); + else + nsvg__parseAttr(p, attr[i], attr[i + 1]); + } +} + +static int nsvg__getArgsPerElement(char cmd) +{ + switch (cmd) { + case 'v': + case 'V': + case 'h': + case 'H': + return 1; + case 'm': + case 'M': + case 'l': + case 'L': + case 't': + case 'T': + return 2; + case 'q': + case 'Q': + case 's': + case 'S': + return 4; + case 'c': + case 'C': + return 6; + case 'a': + case 'A': + return 7; + } + return 0; +} + +static void nsvg__pathMoveTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) +{ + if (rel) { + *cpx += args[0]; + *cpy += args[1]; + } else { + *cpx = args[0]; + *cpy = args[1]; + } + nsvg__moveTo(p, *cpx, *cpy); +} + +static void nsvg__pathLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) +{ + if (rel) { + *cpx += args[0]; + *cpy += args[1]; + } else { + *cpx = args[0]; + *cpy = args[1]; + } + nsvg__lineTo(p, *cpx, *cpy); +} + +static void nsvg__pathHLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) +{ + if (rel) + *cpx += args[0]; + else + *cpx = args[0]; + nsvg__lineTo(p, *cpx, *cpy); +} + +static void nsvg__pathVLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) +{ + if (rel) + *cpy += args[0]; + else + *cpy = args[0]; + nsvg__lineTo(p, *cpx, *cpy); +} + +static void nsvg__pathCubicBezTo(NSVGparser* p, float* cpx, float* cpy, + float* cpx2, float* cpy2, float* args, int rel) +{ + float x2, y2, cx1, cy1, cx2, cy2; + + if (rel) { + cx1 = *cpx + args[0]; + cy1 = *cpy + args[1]; + cx2 = *cpx + args[2]; + cy2 = *cpy + args[3]; + x2 = *cpx + args[4]; + y2 = *cpy + args[5]; + } else { + cx1 = args[0]; + cy1 = args[1]; + cx2 = args[2]; + cy2 = args[3]; + x2 = args[4]; + y2 = args[5]; + } + + nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); + + *cpx2 = cx2; + *cpy2 = cy2; + *cpx = x2; + *cpy = y2; +} + +static void nsvg__pathCubicBezShortTo(NSVGparser* p, float* cpx, float* cpy, + float* cpx2, float* cpy2, float* args, int rel) +{ + float x1, y1, x2, y2, cx1, cy1, cx2, cy2; + + x1 = *cpx; + y1 = *cpy; + if (rel) { + cx2 = *cpx + args[0]; + cy2 = *cpy + args[1]; + x2 = *cpx + args[2]; + y2 = *cpy + args[3]; + } else { + cx2 = args[0]; + cy2 = args[1]; + x2 = args[2]; + y2 = args[3]; + } + + cx1 = 2*x1 - *cpx2; + cy1 = 2*y1 - *cpy2; + + nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); + + *cpx2 = cx2; + *cpy2 = cy2; + *cpx = x2; + *cpy = y2; +} + +static void nsvg__pathQuadBezTo(NSVGparser* p, float* cpx, float* cpy, + float* cpx2, float* cpy2, float* args, int rel) +{ + float x1, y1, x2, y2, cx, cy; + float cx1, cy1, cx2, cy2; + + x1 = *cpx; + y1 = *cpy; + if (rel) { + cx = *cpx + args[0]; + cy = *cpy + args[1]; + x2 = *cpx + args[2]; + y2 = *cpy + args[3]; + } else { + cx = args[0]; + cy = args[1]; + x2 = args[2]; + y2 = args[3]; + } + + // Convert to cubic bezier + cx1 = x1 + 2.0f/3.0f*(cx - x1); + cy1 = y1 + 2.0f/3.0f*(cy - y1); + cx2 = x2 + 2.0f/3.0f*(cx - x2); + cy2 = y2 + 2.0f/3.0f*(cy - y2); + + nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); + + *cpx2 = cx; + *cpy2 = cy; + *cpx = x2; + *cpy = y2; +} + +static void nsvg__pathQuadBezShortTo(NSVGparser* p, float* cpx, float* cpy, + float* cpx2, float* cpy2, float* args, int rel) +{ + float x1, y1, x2, y2, cx, cy; + float cx1, cy1, cx2, cy2; + + x1 = *cpx; + y1 = *cpy; + if (rel) { + x2 = *cpx + args[0]; + y2 = *cpy + args[1]; + } else { + x2 = args[0]; + y2 = args[1]; + } + + cx = 2*x1 - *cpx2; + cy = 2*y1 - *cpy2; + + // Convert to cubix bezier + cx1 = x1 + 2.0f/3.0f*(cx - x1); + cy1 = y1 + 2.0f/3.0f*(cy - y1); + cx2 = x2 + 2.0f/3.0f*(cx - x2); + cy2 = y2 + 2.0f/3.0f*(cy - y2); + + nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); + + *cpx2 = cx; + *cpy2 = cy; + *cpx = x2; + *cpy = y2; +} + +static float nsvg__sqr(float x) { return x*x; } +static float nsvg__vmag(float x, float y) { return sqrtf(x*x + y*y); } + +static float nsvg__vecrat(float ux, float uy, float vx, float vy) +{ + return (ux*vx + uy*vy) / (nsvg__vmag(ux,uy) * nsvg__vmag(vx,vy)); +} + +static float nsvg__vecang(float ux, float uy, float vx, float vy) +{ + float r = nsvg__vecrat(ux,uy, vx,vy); + if (r < -1.0f) r = -1.0f; + if (r > 1.0f) r = 1.0f; + return ((ux*vy < uy*vx) ? -1.0f : 1.0f) * acosf(r); +} + +static void nsvg__pathArcTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) +{ + // Ported from canvg (https://code.google.com/p/canvg/) + float rx, ry, rotx; + float x1, y1, x2, y2, cx, cy, dx, dy, d; + float x1p, y1p, cxp, cyp, s, sa, sb; + float ux, uy, vx, vy, a1, da; + float x, y, tanx, tany, a, px = 0, py = 0, ptanx = 0, ptany = 0, t[6]; + float sinrx, cosrx; + int fa, fs; + int i, ndivs; + float hda, kappa; + + rx = fabsf(args[0]); // y radius + ry = fabsf(args[1]); // x radius + rotx = args[2] / 180.0f * NSVG_PI; // x rotation angle + fa = fabsf(args[3]) > 1e-6 ? 1 : 0; // Large arc + fs = fabsf(args[4]) > 1e-6 ? 1 : 0; // Sweep direction + x1 = *cpx; // start point + y1 = *cpy; + if (rel) { // end point + x2 = *cpx + args[5]; + y2 = *cpy + args[6]; + } else { + x2 = args[5]; + y2 = args[6]; + } + + dx = x1 - x2; + dy = y1 - y2; + d = sqrtf(dx*dx + dy*dy); + if (d < 1e-6f || rx < 1e-6f || ry < 1e-6f) { + // The arc degenerates to a line + nsvg__lineTo(p, x2, y2); + *cpx = x2; + *cpy = y2; + return; + } + + sinrx = sinf(rotx); + cosrx = cosf(rotx); + + // Convert to center point parameterization. + // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes + // 1) Compute x1', y1' + x1p = cosrx * dx / 2.0f + sinrx * dy / 2.0f; + y1p = -sinrx * dx / 2.0f + cosrx * dy / 2.0f; + d = nsvg__sqr(x1p)/nsvg__sqr(rx) + nsvg__sqr(y1p)/nsvg__sqr(ry); + if (d > 1) { + d = sqrtf(d); + rx *= d; + ry *= d; + } + // 2) Compute cx', cy' + s = 0.0f; + sa = nsvg__sqr(rx)*nsvg__sqr(ry) - nsvg__sqr(rx)*nsvg__sqr(y1p) - nsvg__sqr(ry)*nsvg__sqr(x1p); + sb = nsvg__sqr(rx)*nsvg__sqr(y1p) + nsvg__sqr(ry)*nsvg__sqr(x1p); + if (sa < 0.0f) sa = 0.0f; + if (sb > 0.0f) + s = sqrtf(sa / sb); + if (fa == fs) + s = -s; + cxp = s * rx * y1p / ry; + cyp = s * -ry * x1p / rx; + + // 3) Compute cx,cy from cx',cy' + cx = (x1 + x2)/2.0f + cosrx*cxp - sinrx*cyp; + cy = (y1 + y2)/2.0f + sinrx*cxp + cosrx*cyp; + + // 4) Calculate theta1, and delta theta. + ux = (x1p - cxp) / rx; + uy = (y1p - cyp) / ry; + vx = (-x1p - cxp) / rx; + vy = (-y1p - cyp) / ry; + a1 = nsvg__vecang(1.0f,0.0f, ux,uy); // Initial angle + da = nsvg__vecang(ux,uy, vx,vy); // Delta angle + +// if (vecrat(ux,uy,vx,vy) <= -1.0f) da = NSVG_PI; +// if (vecrat(ux,uy,vx,vy) >= 1.0f) da = 0; + + if (fs == 0 && da > 0) + da -= 2 * NSVG_PI; + else if (fs == 1 && da < 0) + da += 2 * NSVG_PI; + + // Approximate the arc using cubic spline segments. + t[0] = cosrx; t[1] = sinrx; + t[2] = -sinrx; t[3] = cosrx; + t[4] = cx; t[5] = cy; + + // Split arc into max 90 degree segments. + // The loop assumes an iteration per end point (including start and end), this +1. + ndivs = (int)(fabsf(da) / (NSVG_PI*0.5f) + 1.0f); + hda = (da / (float)ndivs) / 2.0f; + kappa = fabsf(4.0f / 3.0f * (1.0f - cosf(hda)) / sinf(hda)); + if (da < 0.0f) + kappa = -kappa; + + for (i = 0; i <= ndivs; i++) { + a = a1 + da * ((float)i/(float)ndivs); + dx = cosf(a); + dy = sinf(a); + nsvg__xformPoint(&x, &y, dx*rx, dy*ry, t); // position + nsvg__xformVec(&tanx, &tany, -dy*rx * kappa, dx*ry * kappa, t); // tangent + if (i > 0) + nsvg__cubicBezTo(p, px+ptanx,py+ptany, x-tanx, y-tany, x, y); + px = x; + py = y; + ptanx = tanx; + ptany = tany; + } + + *cpx = x2; + *cpy = y2; +} + +static void nsvg__parsePath(NSVGparser* p, const char** attr) +{ + const char* s = NULL; + char cmd = '\0'; + float args[10]; + int nargs; + int rargs = 0; + float cpx, cpy, cpx2, cpy2; + const char* tmp[4]; + char closedFlag; + int i; + char item[64]; + + for (i = 0; attr[i]; i += 2) { + if (strcmp(attr[i], "d") == 0) { + s = attr[i + 1]; + } else { + tmp[0] = attr[i]; + tmp[1] = attr[i + 1]; + tmp[2] = 0; + tmp[3] = 0; + nsvg__parseAttribs(p, tmp); + } + } + + if (s) { + nsvg__resetPath(p); + cpx = 0; cpy = 0; + cpx2 = 0; cpy2 = 0; + closedFlag = 0; + nargs = 0; + + while (*s) { + s = nsvg__getNextPathItem(s, item); + if (!*item) break; + if (nsvg__isnum(item[0])) { + if (nargs < 10) + args[nargs++] = (float)nsvg__atof(item); + if (nargs >= rargs) { + switch (cmd) { + case 'm': + case 'M': + nsvg__pathMoveTo(p, &cpx, &cpy, args, cmd == 'm' ? 1 : 0); + // Moveto can be followed by multiple coordinate pairs, + // which should be treated as linetos. + cmd = (cmd == 'm') ? 'l' : 'L'; + rargs = nsvg__getArgsPerElement(cmd); + cpx2 = cpx; cpy2 = cpy; + break; + case 'l': + case 'L': + nsvg__pathLineTo(p, &cpx, &cpy, args, cmd == 'l' ? 1 : 0); + cpx2 = cpx; cpy2 = cpy; + break; + case 'H': + case 'h': + nsvg__pathHLineTo(p, &cpx, &cpy, args, cmd == 'h' ? 1 : 0); + cpx2 = cpx; cpy2 = cpy; + break; + case 'V': + case 'v': + nsvg__pathVLineTo(p, &cpx, &cpy, args, cmd == 'v' ? 1 : 0); + cpx2 = cpx; cpy2 = cpy; + break; + case 'C': + case 'c': + nsvg__pathCubicBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'c' ? 1 : 0); + break; + case 'S': + case 's': + nsvg__pathCubicBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 's' ? 1 : 0); + break; + case 'Q': + case 'q': + nsvg__pathQuadBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'q' ? 1 : 0); + break; + case 'T': + case 't': + nsvg__pathQuadBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 't' ? 1 : 0); + break; + case 'A': + case 'a': + nsvg__pathArcTo(p, &cpx, &cpy, args, cmd == 'a' ? 1 : 0); + cpx2 = cpx; cpy2 = cpy; + break; + default: + if (nargs >= 2) { + cpx = args[nargs-2]; + cpy = args[nargs-1]; + cpx2 = cpx; cpy2 = cpy; + } + break; + } + nargs = 0; + } + } else { + cmd = item[0]; + rargs = nsvg__getArgsPerElement(cmd); + if (cmd == 'M' || cmd == 'm') { + // Commit path. + if (p->npts > 0) + nsvg__addPath(p, closedFlag); + // Start new subpath. + nsvg__resetPath(p); + closedFlag = 0; + nargs = 0; + } else if (cmd == 'Z' || cmd == 'z') { + closedFlag = 1; + // Commit path. + if (p->npts > 0) { + // Move current point to first point + cpx = p->pts[0]; + cpy = p->pts[1]; + cpx2 = cpx; cpy2 = cpy; + nsvg__addPath(p, closedFlag); + } + // Start new subpath. + nsvg__resetPath(p); + nsvg__moveTo(p, cpx, cpy); + closedFlag = 0; + nargs = 0; + } + } + } + // Commit path. + if (p->npts) + nsvg__addPath(p, closedFlag); + } + + nsvg__addShape(p); +} + +static void nsvg__parseRect(NSVGparser* p, const char** attr) +{ + float x = 0.0f; + float y = 0.0f; + float w = 0.0f; + float h = 0.0f; + float rx = -1.0f; // marks not set + float ry = -1.0f; + int i; + + for (i = 0; attr[i]; i += 2) { + if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { + if (strcmp(attr[i], "x") == 0) x = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); + if (strcmp(attr[i], "y") == 0) y = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); + if (strcmp(attr[i], "width") == 0) w = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p)); + if (strcmp(attr[i], "height") == 0) h = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p)); + if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p))); + if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p))); + } + } + + if (rx < 0.0f && ry > 0.0f) rx = ry; + if (ry < 0.0f && rx > 0.0f) ry = rx; + if (rx < 0.0f) rx = 0.0f; + if (ry < 0.0f) ry = 0.0f; + if (rx > w/2.0f) rx = w/2.0f; + if (ry > h/2.0f) ry = h/2.0f; + + if (w != 0.0f && h != 0.0f) { + nsvg__resetPath(p); + + if (rx < 0.00001f || ry < 0.0001f) { + nsvg__moveTo(p, x, y); + nsvg__lineTo(p, x+w, y); + nsvg__lineTo(p, x+w, y+h); + nsvg__lineTo(p, x, y+h); + } else { + // Rounded rectangle + nsvg__moveTo(p, x+rx, y); + nsvg__lineTo(p, x+w-rx, y); + nsvg__cubicBezTo(p, x+w-rx*(1-NSVG_KAPPA90), y, x+w, y+ry*(1-NSVG_KAPPA90), x+w, y+ry); + nsvg__lineTo(p, x+w, y+h-ry); + nsvg__cubicBezTo(p, x+w, y+h-ry*(1-NSVG_KAPPA90), x+w-rx*(1-NSVG_KAPPA90), y+h, x+w-rx, y+h); + nsvg__lineTo(p, x+rx, y+h); + nsvg__cubicBezTo(p, x+rx*(1-NSVG_KAPPA90), y+h, x, y+h-ry*(1-NSVG_KAPPA90), x, y+h-ry); + nsvg__lineTo(p, x, y+ry); + nsvg__cubicBezTo(p, x, y+ry*(1-NSVG_KAPPA90), x+rx*(1-NSVG_KAPPA90), y, x+rx, y); + } + + nsvg__addPath(p, 1); + + nsvg__addShape(p); + } +} + +static void nsvg__parseCircle(NSVGparser* p, const char** attr) +{ + float cx = 0.0f; + float cy = 0.0f; + float r = 0.0f; + int i; + + for (i = 0; attr[i]; i += 2) { + if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { + if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); + if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); + if (strcmp(attr[i], "r") == 0) r = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualLength(p))); + } + } + + if (r > 0.0f) { + nsvg__resetPath(p); + + nsvg__moveTo(p, cx+r, cy); + nsvg__cubicBezTo(p, cx+r, cy+r*NSVG_KAPPA90, cx+r*NSVG_KAPPA90, cy+r, cx, cy+r); + nsvg__cubicBezTo(p, cx-r*NSVG_KAPPA90, cy+r, cx-r, cy+r*NSVG_KAPPA90, cx-r, cy); + nsvg__cubicBezTo(p, cx-r, cy-r*NSVG_KAPPA90, cx-r*NSVG_KAPPA90, cy-r, cx, cy-r); + nsvg__cubicBezTo(p, cx+r*NSVG_KAPPA90, cy-r, cx+r, cy-r*NSVG_KAPPA90, cx+r, cy); + + nsvg__addPath(p, 1); + + nsvg__addShape(p); + } +} + +static void nsvg__parseEllipse(NSVGparser* p, const char** attr) +{ + float cx = 0.0f; + float cy = 0.0f; + float rx = 0.0f; + float ry = 0.0f; + int i; + + for (i = 0; attr[i]; i += 2) { + if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { + if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); + if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); + if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p))); + if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p))); + } + } + + if (rx > 0.0f && ry > 0.0f) { + + nsvg__resetPath(p); + + nsvg__moveTo(p, cx+rx, cy); + nsvg__cubicBezTo(p, cx+rx, cy+ry*NSVG_KAPPA90, cx+rx*NSVG_KAPPA90, cy+ry, cx, cy+ry); + nsvg__cubicBezTo(p, cx-rx*NSVG_KAPPA90, cy+ry, cx-rx, cy+ry*NSVG_KAPPA90, cx-rx, cy); + nsvg__cubicBezTo(p, cx-rx, cy-ry*NSVG_KAPPA90, cx-rx*NSVG_KAPPA90, cy-ry, cx, cy-ry); + nsvg__cubicBezTo(p, cx+rx*NSVG_KAPPA90, cy-ry, cx+rx, cy-ry*NSVG_KAPPA90, cx+rx, cy); + + nsvg__addPath(p, 1); + + nsvg__addShape(p); + } +} + +static void nsvg__parseLine(NSVGparser* p, const char** attr) +{ + float x1 = 0.0; + float y1 = 0.0; + float x2 = 0.0; + float y2 = 0.0; + int i; + + for (i = 0; attr[i]; i += 2) { + if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { + if (strcmp(attr[i], "x1") == 0) x1 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); + if (strcmp(attr[i], "y1") == 0) y1 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); + if (strcmp(attr[i], "x2") == 0) x2 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); + if (strcmp(attr[i], "y2") == 0) y2 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); + } + } + + nsvg__resetPath(p); + + nsvg__moveTo(p, x1, y1); + nsvg__lineTo(p, x2, y2); + + nsvg__addPath(p, 0); + + nsvg__addShape(p); +} + +static void nsvg__parsePoly(NSVGparser* p, const char** attr, int closeFlag) +{ + int i; + const char* s; + float args[2]; + int nargs, npts = 0; + char item[64]; + + nsvg__resetPath(p); + + for (i = 0; attr[i]; i += 2) { + if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { + if (strcmp(attr[i], "points") == 0) { + s = attr[i + 1]; + nargs = 0; + while (*s) { + s = nsvg__getNextPathItem(s, item); + args[nargs++] = (float)nsvg__atof(item); + if (nargs >= 2) { + if (npts == 0) + nsvg__moveTo(p, args[0], args[1]); + else + nsvg__lineTo(p, args[0], args[1]); + nargs = 0; + npts++; + } + } + } + } + } + + nsvg__addPath(p, (char)closeFlag); + + nsvg__addShape(p); +} + +static void nsvg__parseSVG(NSVGparser* p, const char** attr) +{ + int i; + for (i = 0; attr[i]; i += 2) { + if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { + if (strcmp(attr[i], "width") == 0) { + p->image->width = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f); + } else if (strcmp(attr[i], "height") == 0) { + p->image->height = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f); + } else if (strcmp(attr[i], "viewBox") == 0) { + sscanf(attr[i + 1], "%f%*[%%, \t]%f%*[%%, \t]%f%*[%%, \t]%f", &p->viewMinx, &p->viewMiny, &p->viewWidth, &p->viewHeight); + } else if (strcmp(attr[i], "preserveAspectRatio") == 0) { + if (strstr(attr[i + 1], "none") != 0) { + // No uniform scaling + p->alignType = NSVG_ALIGN_NONE; + } else { + // Parse X align + if (strstr(attr[i + 1], "xMin") != 0) + p->alignX = NSVG_ALIGN_MIN; + else if (strstr(attr[i + 1], "xMid") != 0) + p->alignX = NSVG_ALIGN_MID; + else if (strstr(attr[i + 1], "xMax") != 0) + p->alignX = NSVG_ALIGN_MAX; + // Parse X align + if (strstr(attr[i + 1], "yMin") != 0) + p->alignY = NSVG_ALIGN_MIN; + else if (strstr(attr[i + 1], "yMid") != 0) + p->alignY = NSVG_ALIGN_MID; + else if (strstr(attr[i + 1], "yMax") != 0) + p->alignY = NSVG_ALIGN_MAX; + // Parse meet/slice + p->alignType = NSVG_ALIGN_MEET; + if (strstr(attr[i + 1], "slice") != 0) + p->alignType = NSVG_ALIGN_SLICE; + } + } + } + } +} + +static void nsvg__parseGradient(NSVGparser* p, const char** attr, char type) +{ + int i; + NSVGgradientData* grad = (NSVGgradientData*)malloc(sizeof(NSVGgradientData)); + if (grad == NULL) return; + memset(grad, 0, sizeof(NSVGgradientData)); + grad->units = NSVG_OBJECT_SPACE; + grad->type = type; + if (grad->type == NSVG_PAINT_LINEAR_GRADIENT) { + grad->linear.x1 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); + grad->linear.y1 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); + grad->linear.x2 = nsvg__coord(100.0f, NSVG_UNITS_PERCENT); + grad->linear.y2 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); + } else if (grad->type == NSVG_PAINT_RADIAL_GRADIENT) { + grad->radial.cx = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); + grad->radial.cy = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); + grad->radial.r = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); + } + + nsvg__xformIdentity(grad->xform); + + for (i = 0; attr[i]; i += 2) { + if (strcmp(attr[i], "id") == 0) { + strncpy(grad->id, attr[i+1], 63); + grad->id[63] = '\0'; + } else if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { + if (strcmp(attr[i], "gradientUnits") == 0) { + if (strcmp(attr[i+1], "objectBoundingBox") == 0) + grad->units = NSVG_OBJECT_SPACE; + else + grad->units = NSVG_USER_SPACE; + } else if (strcmp(attr[i], "gradientTransform") == 0) { + nsvg__parseTransform(grad->xform, attr[i + 1]); + } else if (strcmp(attr[i], "cx") == 0) { + grad->radial.cx = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "cy") == 0) { + grad->radial.cy = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "r") == 0) { + grad->radial.r = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "fx") == 0) { + grad->radial.fx = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "fy") == 0) { + grad->radial.fy = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "x1") == 0) { + grad->linear.x1 = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "y1") == 0) { + grad->linear.y1 = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "x2") == 0) { + grad->linear.x2 = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "y2") == 0) { + grad->linear.y2 = nsvg__parseCoordinateRaw(attr[i + 1]); + } else if (strcmp(attr[i], "spreadMethod") == 0) { + if (strcmp(attr[i+1], "pad") == 0) + grad->spread = NSVG_SPREAD_PAD; + else if (strcmp(attr[i+1], "reflect") == 0) + grad->spread = NSVG_SPREAD_REFLECT; + else if (strcmp(attr[i+1], "repeat") == 0) + grad->spread = NSVG_SPREAD_REPEAT; + } else if (strcmp(attr[i], "xlink:href") == 0) { + const char *href = attr[i+1]; + strncpy(grad->ref, href+1, 62); + grad->ref[62] = '\0'; + } + } + } + + grad->next = p->gradients; + p->gradients = grad; +} + +static void nsvg__parseGradientStop(NSVGparser* p, const char** attr) +{ + NSVGattrib* curAttr = nsvg__getAttr(p); + NSVGgradientData* grad; + NSVGgradientStop* stop; + int i, idx; + + curAttr->stopOffset = 0; + curAttr->stopColor = 0; + curAttr->stopOpacity = 1.0f; + + for (i = 0; attr[i]; i += 2) { + nsvg__parseAttr(p, attr[i], attr[i + 1]); + } + + // Add stop to the last gradient. + grad = p->gradients; + if (grad == NULL) return; + + grad->nstops++; + grad->stops = (NSVGgradientStop*)realloc(grad->stops, sizeof(NSVGgradientStop)*grad->nstops); + if (grad->stops == NULL) return; + + // Insert + idx = grad->nstops-1; + for (i = 0; i < grad->nstops-1; i++) { + if (curAttr->stopOffset < grad->stops[i].offset) { + idx = i; + break; + } + } + if (idx != grad->nstops-1) { + for (i = grad->nstops-1; i > idx; i--) + grad->stops[i] = grad->stops[i-1]; + } + + stop = &grad->stops[idx]; + stop->color = curAttr->stopColor; + stop->color |= (unsigned int)(curAttr->stopOpacity*255) << 24; + stop->offset = curAttr->stopOffset; +} + +static void nsvg__startElement(void* ud, const char* el, const char** attr) +{ + NSVGparser* p = (NSVGparser*)ud; + + if (p->defsFlag) { + // Skip everything but gradients in defs + if (strcmp(el, "linearGradient") == 0) { + nsvg__parseGradient(p, attr, NSVG_PAINT_LINEAR_GRADIENT); + } else if (strcmp(el, "radialGradient") == 0) { + nsvg__parseGradient(p, attr, NSVG_PAINT_RADIAL_GRADIENT); + } else if (strcmp(el, "stop") == 0) { + nsvg__parseGradientStop(p, attr); + } + return; + } + + if (strcmp(el, "g") == 0) { + nsvg__pushAttr(p); + nsvg__parseAttribs(p, attr); + } else if (strcmp(el, "path") == 0) { + if (p->pathFlag) // Do not allow nested paths. + return; + nsvg__pushAttr(p); + nsvg__parsePath(p, attr); + nsvg__popAttr(p); + } else if (strcmp(el, "rect") == 0) { + nsvg__pushAttr(p); + nsvg__parseRect(p, attr); + nsvg__popAttr(p); + } else if (strcmp(el, "circle") == 0) { + nsvg__pushAttr(p); + nsvg__parseCircle(p, attr); + nsvg__popAttr(p); + } else if (strcmp(el, "ellipse") == 0) { + nsvg__pushAttr(p); + nsvg__parseEllipse(p, attr); + nsvg__popAttr(p); + } else if (strcmp(el, "line") == 0) { + nsvg__pushAttr(p); + nsvg__parseLine(p, attr); + nsvg__popAttr(p); + } else if (strcmp(el, "polyline") == 0) { + nsvg__pushAttr(p); + nsvg__parsePoly(p, attr, 0); + nsvg__popAttr(p); + } else if (strcmp(el, "polygon") == 0) { + nsvg__pushAttr(p); + nsvg__parsePoly(p, attr, 1); + nsvg__popAttr(p); + } else if (strcmp(el, "linearGradient") == 0) { + nsvg__parseGradient(p, attr, NSVG_PAINT_LINEAR_GRADIENT); + } else if (strcmp(el, "radialGradient") == 0) { + nsvg__parseGradient(p, attr, NSVG_PAINT_RADIAL_GRADIENT); + } else if (strcmp(el, "stop") == 0) { + nsvg__parseGradientStop(p, attr); + } else if (strcmp(el, "defs") == 0) { + p->defsFlag = 1; + } else if (strcmp(el, "svg") == 0) { + nsvg__parseSVG(p, attr); + } +} + +static void nsvg__endElement(void* ud, const char* el) +{ + NSVGparser* p = (NSVGparser*)ud; + + if (strcmp(el, "g") == 0) { + nsvg__popAttr(p); + } else if (strcmp(el, "path") == 0) { + p->pathFlag = 0; + } else if (strcmp(el, "defs") == 0) { + p->defsFlag = 0; + } +} + +static void nsvg__content(void* ud, const char* s) +{ + NSVG_NOTUSED(ud); + NSVG_NOTUSED(s); + // empty +} + +static void nsvg__imageBounds(NSVGparser* p, float* bounds) +{ + NSVGshape* shape; + shape = p->image->shapes; + if (shape == NULL) { + bounds[0] = bounds[1] = bounds[2] = bounds[3] = 0.0; + return; + } + bounds[0] = shape->bounds[0]; + bounds[1] = shape->bounds[1]; + bounds[2] = shape->bounds[2]; + bounds[3] = shape->bounds[3]; + for (shape = shape->next; shape != NULL; shape = shape->next) { + bounds[0] = nsvg__minf(bounds[0], shape->bounds[0]); + bounds[1] = nsvg__minf(bounds[1], shape->bounds[1]); + bounds[2] = nsvg__maxf(bounds[2], shape->bounds[2]); + bounds[3] = nsvg__maxf(bounds[3], shape->bounds[3]); + } +} + +static float nsvg__viewAlign(float content, float container, int type) +{ + if (type == NSVG_ALIGN_MIN) + return 0; + else if (type == NSVG_ALIGN_MAX) + return container - content; + // mid + return (container - content) * 0.5f; +} + +static void nsvg__scaleGradient(NSVGgradient* grad, float tx, float ty, float sx, float sy) +{ + float t[6]; + nsvg__xformSetTranslation(t, tx, ty); + nsvg__xformMultiply (grad->xform, t); + + nsvg__xformSetScale(t, sx, sy); + nsvg__xformMultiply (grad->xform, t); +} + +static void nsvg__scaleToViewbox(NSVGparser* p, const char* units) +{ + NSVGshape* shape; + NSVGpath* path; + float tx, ty, sx, sy, us, bounds[4], t[6], avgs; + int i; + float* pt; + + // Guess image size if not set completely. + nsvg__imageBounds(p, bounds); + + if (p->viewWidth == 0) { + if (p->image->width > 0) { + p->viewWidth = p->image->width; + } else { + p->viewMinx = bounds[0]; + p->viewWidth = bounds[2] - bounds[0]; + } + } + if (p->viewHeight == 0) { + if (p->image->height > 0) { + p->viewHeight = p->image->height; + } else { + p->viewMiny = bounds[1]; + p->viewHeight = bounds[3] - bounds[1]; + } + } + if (p->image->width == 0) + p->image->width = p->viewWidth; + if (p->image->height == 0) + p->image->height = p->viewHeight; + + tx = -p->viewMinx; + ty = -p->viewMiny; + sx = p->viewWidth > 0 ? p->image->width / p->viewWidth : 0; + sy = p->viewHeight > 0 ? p->image->height / p->viewHeight : 0; + // Unit scaling + us = 1.0f / nsvg__convertToPixels(p, nsvg__coord(1.0f, nsvg__parseUnits(units)), 0.0f, 1.0f); + + // Fix aspect ratio + if (p->alignType == NSVG_ALIGN_MEET) { + // fit whole image into viewbox + sx = sy = nsvg__minf(sx, sy); + tx += nsvg__viewAlign(p->viewWidth*sx, p->image->width, p->alignX) / sx; + ty += nsvg__viewAlign(p->viewHeight*sy, p->image->height, p->alignY) / sy; + } else if (p->alignType == NSVG_ALIGN_SLICE) { + // fill whole viewbox with image + sx = sy = nsvg__maxf(sx, sy); + tx += nsvg__viewAlign(p->viewWidth*sx, p->image->width, p->alignX) / sx; + ty += nsvg__viewAlign(p->viewHeight*sy, p->image->height, p->alignY) / sy; + } + + // Transform + sx *= us; + sy *= us; + avgs = (sx+sy) / 2.0f; + for (shape = p->image->shapes; shape != NULL; shape = shape->next) { + shape->bounds[0] = (shape->bounds[0] + tx) * sx; + shape->bounds[1] = (shape->bounds[1] + ty) * sy; + shape->bounds[2] = (shape->bounds[2] + tx) * sx; + shape->bounds[3] = (shape->bounds[3] + ty) * sy; + for (path = shape->paths; path != NULL; path = path->next) { + path->bounds[0] = (path->bounds[0] + tx) * sx; + path->bounds[1] = (path->bounds[1] + ty) * sy; + path->bounds[2] = (path->bounds[2] + tx) * sx; + path->bounds[3] = (path->bounds[3] + ty) * sy; + for (i =0; i < path->npts; i++) { + pt = &path->pts[i*2]; + pt[0] = (pt[0] + tx) * sx; + pt[1] = (pt[1] + ty) * sy; + } + } + + if (shape->fill.type == NSVG_PAINT_LINEAR_GRADIENT || shape->fill.type == NSVG_PAINT_RADIAL_GRADIENT) { + nsvg__scaleGradient(shape->fill.gradient, tx,ty, sx,sy); + memcpy(t, shape->fill.gradient->xform, sizeof(float)*6); + nsvg__xformInverse(shape->fill.gradient->xform, t); + } + if (shape->stroke.type == NSVG_PAINT_LINEAR_GRADIENT || shape->stroke.type == NSVG_PAINT_RADIAL_GRADIENT) { + nsvg__scaleGradient(shape->stroke.gradient, tx,ty, sx,sy); + memcpy(t, shape->stroke.gradient->xform, sizeof(float)*6); + nsvg__xformInverse(shape->stroke.gradient->xform, t); + } + + shape->strokeWidth *= avgs; + shape->strokeDashOffset *= avgs; + for (i = 0; i < shape->strokeDashCount; i++) + shape->strokeDashArray[i] *= avgs; + } +} + +NSVGimage* nsvgParse(char* input, const char* units, float dpi) +{ + NSVGparser* p; + NSVGimage* ret = 0; + + p = nsvg__createParser(); + if (p == NULL) { + return NULL; + } + p->dpi = dpi; + + nsvg__parseXML(input, nsvg__startElement, nsvg__endElement, nsvg__content, p); + + // Scale to viewBox + nsvg__scaleToViewbox(p, units); + + ret = p->image; + p->image = NULL; + + nsvg__deleteParser(p); + + return ret; +} + +NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi) +{ + FILE* fp = NULL; + size_t size; + char* data = NULL; + NSVGimage* image = NULL; + + fp = fopen(filename, "rb"); + if (!fp) goto error; + fseek(fp, 0, SEEK_END); + size = ftell(fp); + fseek(fp, 0, SEEK_SET); + data = (char*)malloc(size+1); + if (data == NULL) goto error; + if (fread(data, 1, size, fp) != size) goto error; + data[size] = '\0'; // Must be null terminated. + fclose(fp); + image = nsvgParse(data, units, dpi); + free(data); + + return image; + +error: + if (fp) fclose(fp); + if (data) free(data); + if (image) nsvgDelete(image); + return NULL; +} + +void nsvgDelete(NSVGimage* image) +{ + NSVGshape *snext, *shape; + if (image == NULL) return; + shape = image->shapes; + while (shape != NULL) { + snext = shape->next; + nsvg__deletePaths(shape->paths); + nsvg__deletePaint(&shape->fill); + nsvg__deletePaint(&shape->stroke); + free(shape); + shape = snext; + } + free(image); +} + +#endif diff --git a/tests/common/test.c b/tests/common/test.c new file mode 100644 index 0000000..19acddc --- /dev/null +++ b/tests/common/test.c @@ -0,0 +1,117 @@ +#include "test.h" + +float panX = 0.f; +float panY = 0.f; +float lastX = 0.f; +float lastY = 0.f; +float zoom = 1.0f; +bool mouseDown = false; + +VkvgDevice device = NULL; +VkvgSurface surf = NULL; + +static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) { + if (action != GLFW_PRESS) + return; + switch (key) { + case GLFW_KEY_ESCAPE : + glfwSetWindowShouldClose(window, GLFW_TRUE); + break; + } +} +static void char_callback (GLFWwindow* window, uint32_t c){} +static void mouse_move_callback(GLFWwindow* window, double x, double y){ + if (mouseDown) { + panX += ((float)x-lastX); + panY += ((float)y-lastY); + } + lastX = (float)x; + lastY = (float)y; +} +static void scroll_callback(GLFWwindow* window, double x, double y){ + if (y<0.f) + zoom *= 0.5f; + else + zoom *= 2.0f; +} +static void mouse_button_callback(GLFWwindow* window, int but, int state, int modif){ + if (but != GLFW_MOUSE_BUTTON_1) + return; + if (state == GLFW_TRUE) + mouseDown = true; + else + mouseDown = false; +} + +double time_diff(struct timeval x , struct timeval y) +{ + double x_ms , y_ms , diff; + + x_ms = (double)x.tv_sec*1000000 + (double)x.tv_usec; + y_ms = (double)y.tv_sec*1000000 + (double)y.tv_usec; + + diff = (double)y_ms - (double)x_ms; + + return diff; +} + +void randomize_color (VkvgContext ctx) { + vkvg_set_source_rgba(ctx, + (float)rand()/RAND_MAX, + (float)rand()/RAND_MAX, + (float)rand()/RAND_MAX, + (float)rand()/RAND_MAX + ); +} + +void perform_test (void(*testfunc)(void),uint width, uint height) { + //dumpLayerExts(); + + vk_engine_t* e = vkengine_create (VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU, VK_PRESENT_MODE_MAILBOX_KHR, width, height); + VkhPresenter r = e->renderer; + vkengine_set_key_callback (e, key_callback); + vkengine_set_mouse_but_callback(e, mouse_button_callback); + vkengine_set_cursor_pos_callback(e, mouse_move_callback); + vkengine_set_scroll_callback(e, scroll_callback); + + bool deferredResolve = false; + + device = vkvg_device_create_multisample(vkh_app_get_inst(e->app), r->dev->phy, r->dev->dev, r->qFam, 0, VK_SAMPLE_COUNT_4_BIT, deferredResolve); + surf = vkvg_surface_create(device, width, height); + + vkvg_surface_clear(surf); + + vkh_presenter_build_blit_cmd (r, vkvg_surface_get_vk_image(surf), width, height); + + struct timeval before , after; + double frameTime = 0, frameTimeAccum = 0, frameCount = 0; + + while (!vkengine_should_close (e)) { + glfwPollEvents(); + + gettimeofday(&before , NULL); + + testfunc(); + + if (deferredResolve) + vkvg_multisample_surface_resolve(surf); + if (!vkh_presenter_draw (r)) + vkh_presenter_build_blit_cmd (r, vkvg_surface_get_vk_image(surf), width, height); + + gettimeofday(&after , NULL); + + frameTimeAccum += time_diff(before , after); + frameCount++; + } + + frameTime = frameTimeAccum / frameCount; + printf ("frame (µs): %.0lf\nfps: %lf\n", frameTime, floor(1000000 / frameTime)); + + vkDeviceWaitIdle(e->dev->dev); + + vkvg_surface_destroy (surf); + vkvg_device_destroy (device); + + vkengine_destroy (e); + +} diff --git a/tests/common/test.h b/tests/common/test.h new file mode 100644 index 0000000..dc83464 --- /dev/null +++ b/tests/common/test.h @@ -0,0 +1,77 @@ +#include "vkengine.h" +#include "stdio.h" +#include "stdlib.h" +#include "time.h" +#include "vkvg.h" + +#include "vkh_device.h" +#include "vkh_presenter.h" + +#ifdef _WIN32 // MSC_VER + #define WIN32_LEAN_AND_MEAN + #define NOMINMAX + #include // Windows.h -> WinDef.h defines min() max() + + /* + typedef uint16_t WORD ; + typedef uint32_t DWORD; + + typedef struct _FILETIME { + DWORD dwLowDateTime; + DWORD dwHighDateTime; + } FILETIME; + + typedef struct _SYSTEMTIME { + WORD wYear; + WORD wMonth; + WORD wDayOfWeek; + WORD wDay; + WORD wHour; + WORD wMinute; + WORD wSecond; + WORD wMilliseconds; + } SYSTEMTIME, *PSYSTEMTIME; + */ + + // *sigh* Microsoft has this in winsock2.h because they are too lazy to put it in the standard location ... !?!? + typedef struct timeval { + long tv_sec; + long tv_usec; + } timeval; + + // *sigh* no gettimeofday on Win32/Win64 + int gettimeofday(struct timeval * tp, struct timezone * tzp) + { + // FILETIME Jan 1 1970 00:00:00 + // Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's + static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL); + + SYSTEMTIME nSystemTime; + FILETIME nFileTime; + uint64_t nTime; + + GetSystemTime( &nSystemTime ); + SystemTimeToFileTime( &nSystemTime, &nFileTime ); + nTime = ((uint64_t)nFileTime.dwLowDateTime ) ; + nTime += ((uint64_t)nFileTime.dwHighDateTime) << 32; + + tp->tv_sec = (long) ((nTime - EPOCH) / 10000000L); + tp->tv_usec = (long) (nSystemTime.wMilliseconds * 1000); + return 0; + } +#else + #include +#endif // _WIN32 + +extern float panX; +extern float panY; +extern float lastX; +extern float lastY; +extern float zoom; +extern bool mouseDown; + +extern VkvgDevice device; +extern VkvgSurface surf; + +void perform_test (void(*testfunc)(void),uint width, uint height); +void randomize_color (VkvgContext ctx); diff --git a/tests/common/vkengine.c b/tests/common/vkengine.c new file mode 100644 index 0000000..6d0f0ef --- /dev/null +++ b/tests/common/vkengine.c @@ -0,0 +1,244 @@ +/* + * Copyright (c) 2018 Jean-Philippe Bruyère + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the + * Software, and to permit persons to whom the Software is furnished to do so, subject + * to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "vkh.h" +#include "vkengine.h" +#include "vkh_app.h" +#include "vkh_phyinfo.h" +#include "vkh_presenter.h" +#include "vkh_image.h" +#include "vkh_device.h" + +bool vkeCheckPhyPropBlitSource (VkEngine e) { + VkFormatProperties formatProps; + vkGetPhysicalDeviceFormatProperties(e->dev->phy, e->renderer->format, &formatProps); + +#if VKVG_TILING_OPTIMAL + assert((formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT) && "Format cannot be used as transfer source"); +#else + assert((formatProps.linearTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT) && "Format cannot be used as transfer source"); +#endif +} + +VkSampleCountFlagBits getMaxUsableSampleCount(VkSampleCountFlags counts) +{ + if (counts & VK_SAMPLE_COUNT_64_BIT) { return VK_SAMPLE_COUNT_64_BIT; } + if (counts & VK_SAMPLE_COUNT_32_BIT) { return VK_SAMPLE_COUNT_32_BIT; } + if (counts & VK_SAMPLE_COUNT_16_BIT) { return VK_SAMPLE_COUNT_16_BIT; } + if (counts & VK_SAMPLE_COUNT_8_BIT) { return VK_SAMPLE_COUNT_8_BIT; } + if (counts & VK_SAMPLE_COUNT_4_BIT) { return VK_SAMPLE_COUNT_4_BIT; } + if (counts & VK_SAMPLE_COUNT_2_BIT) { return VK_SAMPLE_COUNT_2_BIT; } + return VK_SAMPLE_COUNT_1_BIT; +} + +void vkengine_dump_Infos (VkEngine e){ + printf("max samples = %d\n", getMaxUsableSampleCount(e->gpu_props.limits.framebufferColorSampleCounts)); + printf("max tex2d size = %d\n", e->gpu_props.limits.maxImageDimension2D); + printf("max tex array layers = %d\n", e->gpu_props.limits.maxImageArrayLayers); + printf("max mem alloc count = %d\n", e->gpu_props.limits.maxMemoryAllocationCount); + + for (int i = 0; i < e->memory_properties.memoryHeapCount; i++) { + printf("Mem Heap %d\n", i); + printf("\tflags= %d\n", e->memory_properties.memoryHeaps[i].flags); + printf("\tsize = %d Mo\n", e->memory_properties.memoryHeaps[i].size/ (1024*1024)); + } + for (int i = 0; i < e->memory_properties.memoryTypeCount; i++) { + printf("Mem type %d\n", i); + printf("\theap %d: ", e->memory_properties.memoryTypes[i].heapIndex); + if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) + printf("VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT|"); + if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) + printf("VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT|"); + if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) + printf("VK_MEMORY_PROPERTY_HOST_COHERENT_BIT|"); + if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) + printf("VK_MEMORY_PROPERTY_HOST_CACHED_BIT|"); + if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT) + printf("VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT|"); + printf("\n"); + } +} +vk_engine_t* vkengine_create (VkPhysicalDeviceType preferedGPU, VkPresentModeKHR presentMode, uint32_t width, uint32_t height) { + vk_engine_t* e = (vk_engine_t*)calloc(1,sizeof(vk_engine_t)); + + glfwInit(); + assert (glfwVulkanSupported()==GLFW_TRUE); + + uint32_t enabledExtsCount = 0, phyCount = 0; + const char ** enabledExts = glfwGetRequiredInstanceExtensions (&enabledExtsCount); + + e->app = vkh_app_create("vkvgTest", enabledExtsCount, enabledExts); + + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); + glfwWindowHint(GLFW_FLOATING, GLFW_FALSE); + glfwWindowHint(GLFW_DECORATED, GLFW_TRUE); + + e->window = glfwCreateWindow ((int)width, (int)height, "Window Title", NULL, NULL); + + VkSurfaceKHR surf; + VkResult res = glfwCreateWindowSurface(e->app->inst, e->window, NULL, &surf); + + VkhPhyInfo* phys = vkh_app_get_phyinfos (e->app, &phyCount, surf); + + VkhPhyInfo pi = NULL; + for (int i=0; iproperties.deviceType == preferedGPU) + break; + } + + e->memory_properties = pi->memProps; + e->gpu_props = pi->properties; + + uint32_t qCount = 0; + VkDeviceQueueCreateInfo pQueueInfos[3]; + float queue_priorities[] = {0.0}; + + VkDeviceQueueCreateInfo qiG = { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, + .queueCount = 1, + .queueFamilyIndex = pi->gQueue, + .pQueuePriorities = queue_priorities }; + VkDeviceQueueCreateInfo qiC = { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, + .queueCount = 1, + .queueFamilyIndex = pi->cQueue, + .pQueuePriorities = queue_priorities }; + VkDeviceQueueCreateInfo qiT = { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, + .queueCount = 1, + .queueFamilyIndex = pi->tQueue, + .pQueuePriorities = queue_priorities }; + + if (pi->gQueue == pi->cQueue){ + if(pi->gQueue == pi->tQueue){ + qCount=1; + pQueueInfos[0] = qiG; + }else{ + qCount=2; + pQueueInfos[0] = qiG; + pQueueInfos[1] = qiT; + } + }else{ + if((pi->gQueue == pi->tQueue) || (pi->cQueue==pi->tQueue)){ + qCount=2; + pQueueInfos[0] = qiG; + pQueueInfos[1] = qiC; + }else{ + qCount=3; + pQueueInfos[0] = qiG; + pQueueInfos[1] = qiC; + pQueueInfos[2] = qiT; + } + } + + char const * dex [] = {"VK_KHR_swapchain"}; + + VkPhysicalDeviceFeatures enabledFeatures = { + .fillModeNonSolid = true, + //.sampleRateShading = true + }; + + VkDeviceCreateInfo device_info = { .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, + .queueCreateInfoCount = qCount, + .pQueueCreateInfos = (VkDeviceQueueCreateInfo*)&pQueueInfos, + .enabledExtensionCount = 1, + .ppEnabledExtensionNames = dex, + .pEnabledFeatures = &enabledFeatures + }; + + VkDevice dev; + VK_CHECK_RESULT(vkCreateDevice (pi->phy, &device_info, NULL, &dev)); + e->dev = vkh_device_create(pi->phy, dev); + e->dev->instance = vkh_app_get_inst (e->app); + + e->renderer = vkh_presenter_create + (e->dev, (uint32_t) pi->pQueue, surf, width, height, VK_FORMAT_B8G8R8A8_UNORM, presentMode); + + vkh_app_free_phyinfos (phyCount, phys); + + vkeCheckPhyPropBlitSource (e); + + return e; +} + +void vkengine_destroy (VkEngine e) { + vkDeviceWaitIdle(e->dev->dev); + + VkSurfaceKHR surf = e->renderer->surface; + + vkh_presenter_destroy (e->renderer); + vkDestroySurfaceKHR (e->app->inst, surf, NULL); + + vkh_device_destroy (e->dev); + + glfwDestroyWindow (e->window); + glfwTerminate (); + + vkh_app_destroy (e->app); + + free(e); +} +void vkengine_close (VkEngine e) { + glfwSetWindowShouldClose(e->window, GLFW_TRUE); +} +void vkengine_blitter_run (VkEngine e, VkImage img, uint32_t width, uint32_t height) { + VkhPresenter p = e->renderer; + vkh_presenter_build_blit_cmd (p, img, width, height); + + while (!vkengine_should_close (e)) { + glfwPollEvents(); + if (!vkh_presenter_draw (p)) + vkh_presenter_build_blit_cmd (p, img, width, height); + } +} +inline bool vkengine_should_close (VkEngine e) { + return glfwWindowShouldClose (e->window); +} + +VkDevice vkengine_get_device (VkEngine e){ + return e->dev->dev; +} +VkPhysicalDevice vkengine_get_physical_device (VkEngine e){ + return e->dev->phy; +} +VkQueue vkengine_get_queue (VkEngine e){ + return e->renderer->queue; +} +uint32_t vkengine_get_queue_fam_idx (VkEngine e){ + return e->renderer->qFam; +} + +void vkengine_set_key_callback (VkEngine e, GLFWkeyfun key_callback){ + glfwSetKeyCallback (e->window, key_callback); +} +void vkengine_set_mouse_but_callback (VkEngine e, GLFWmousebuttonfun onMouseBut){ + glfwSetMouseButtonCallback(e->window, onMouseBut); +} +void vkengine_set_cursor_pos_callback (VkEngine e, GLFWcursorposfun onMouseMove){ + glfwSetCursorPosCallback(e->window, onMouseMove); +} +void vkengine_set_scroll_callback (VkEngine e, GLFWscrollfun onScroll){ + glfwSetScrollCallback(e->window, onScroll); +} +void vkengine_set_char_callback (VkEngine e, GLFWcharfun onChar){ + glfwSetCharCallback(e->window, onChar); +} + diff --git a/tests/common/vkengine.h b/tests/common/vkengine.h new file mode 100644 index 0000000..b4505f8 --- /dev/null +++ b/tests/common/vkengine.h @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2018 Jean-Philippe Bruyère + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the + * Software, and to permit persons to whom the Software is furnished to do so, subject + * to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef VKENGINE_H +#define VKENGINE_H + +#include +#include +#include +#include + +#include +#include + +#include "vkh.h" + +/* Number of samples needs to be the same at image creation, */ +/* renderpass creation and pipeline creation. */ +#define FENCE_TIMEOUT 100000000 + +typedef struct _vk_engine_t* VkEngine; + +typedef struct _vk_engine_t { + VkhApp app; + VkPhysicalDeviceMemoryProperties memory_properties; + VkPhysicalDeviceProperties gpu_props; + VkhDevice dev; + GLFWwindow* window; + VkhPresenter renderer; +}vk_engine_t; + +vk_engine_t* vkengine_create (VkPhysicalDeviceType preferedGPU, VkPresentModeKHR presentMode, uint32_t width, uint32_t height); + +void vkengine_destroy (VkEngine e); +bool vkengine_should_close (VkEngine e); +void vkengine_close (VkEngine e); +void vkengine_dump_Infos (VkEngine e); +VkDevice vkengine_get_device (VkEngine e); +VkPhysicalDevice vkengine_get_physical_device(VkEngine e); +VkQueue vkengine_get_queue (VkEngine e); +uint32_t vkengine_get_queue_fam_idx (VkEngine e); + +void vkengine_get_queues_properties (vk_engine_t* e, VkQueueFamilyProperties** qFamProps, uint32_t* count); + +void vkengine_set_key_callback (VkEngine e, GLFWkeyfun key_callback); +void vkengine_set_mouse_but_callback (VkEngine e, GLFWmousebuttonfun onMouseBut); +void vkengine_set_cursor_pos_callback (VkEngine e, GLFWcursorposfun onMouseMove); +void vkengine_set_scroll_callback (VkEngine e, GLFWscrollfun onScroll); +void vkengine_set_char_callback (VkEngine e, GLFWcharfun onChar); +#endif diff --git a/tests/curve.c b/tests/curve.c new file mode 100644 index 0000000..11e44d4 --- /dev/null +++ b/tests/curve.c @@ -0,0 +1,38 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_set_line_width(ctx, 10); + vkvg_set_source_rgb (ctx, 0,0,0); + + vkvg_arc(ctx, 150, 100, 10, 0, M_PI*2); + vkvg_fill(ctx); + vkvg_arc(ctx, 200, 200, 10, 0, M_PI*2); + vkvg_fill(ctx); + + vkvg_set_source_rgba (ctx, 0.5,0.0,1.0,0.5); + vkvg_move_to(ctx,100,100); + vkvg_line_to(ctx,200,100); + vkvg_curve_to(ctx,250,100,300,150,300,200); + vkvg_line_to(ctx,300,300); + vkvg_curve_to(ctx,300,350,250,400,200,400); + vkvg_line_to(ctx,100,400); + vkvg_curve_to(ctx,50,400,10,350,10,300); + vkvg_line_to(ctx,10,200); + vkvg_curve_to(ctx,10,150,50,100,100,100); + vkvg_close_path(ctx); + //vkvg_curve_to(ctx, 150,100,200,150,200,200); + vkvg_fill_preserve(ctx); + vkvg_set_source_rgba (ctx, 1,1,1.0,0.5); + vkvg_stroke(ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/curve2.c b/tests/curve2.c new file mode 100644 index 0000000..683c29b --- /dev/null +++ b/tests/curve2.c @@ -0,0 +1,27 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_move_to (ctx, 100, 400); + vkvg_curve_to (ctx, 100, 100, 600,700,600,400); + vkvg_curve_to (ctx, 1000, 100, 100, 800, 1000, 800); + vkvg_curve_to (ctx, 1000, 500, 700, 500, 700, 100); + vkvg_close_path(ctx); + + //vkvg_set_source_rgba (ctx, 0.5,0.0,1.0,0.5); + //vkvg_fill_preserve(ctx); + + vkvg_set_source_rgba (ctx, 1,0,0,1); + vkvg_set_line_width(ctx, 40); + vkvg_stroke(ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/data/miroir.jpg b/tests/data/miroir.jpg new file mode 100755 index 0000000..03240fa Binary files /dev/null and b/tests/data/miroir.jpg differ diff --git a/tests/data/tiger.svg b/tests/data/tiger.svg new file mode 100644 index 0000000..67ba636 --- /dev/null +++ b/tests/data/tiger.svg @@ -0,0 +1,725 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/tests/fill.c b/tests/fill.c new file mode 100644 index 0000000..0986a45 --- /dev/null +++ b/tests/fill.c @@ -0,0 +1,29 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_set_source_rgba(ctx,0.1,0.9,0.1,1.0); + vkvg_move_to(ctx,10,10); + vkvg_rel_line_to(ctx,100,100); + vkvg_rel_line_to(ctx,100,-100); + vkvg_rel_line_to(ctx,100,400); +// vkvg_line_to(ctx,400,350); +// vkvg_line_to(ctx,900,150); +// vkvg_line_to(ctx,700,450); +// vkvg_line_to(ctx,900,750); +// vkvg_line_to(ctx,500,650); +// vkvg_line_to(ctx,100,800); +// vkvg_line_to(ctx,150,400); + vkvg_close_path(ctx); + vkvg_fill(ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/fill_and_stroke.c b/tests/fill_and_stroke.c new file mode 100644 index 0000000..1174884 --- /dev/null +++ b/tests/fill_and_stroke.c @@ -0,0 +1,31 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_move_to (ctx, 100, 100); + vkvg_rel_line_to (ctx, 50, -80); + vkvg_rel_line_to (ctx, 50, 80); + //vkvg_close_path (ctx); + + vkvg_move_to (ctx, 300, 100); + vkvg_rel_line_to (ctx, 50, -80); + vkvg_rel_line_to (ctx, 50, 80); + vkvg_close_path (ctx); + + vkvg_set_line_width (ctx, 10.0); + vkvg_set_source_rgb (ctx, 0, 0, 1); + vkvg_fill_preserve (ctx); + //vkvg_fill(ctx); + vkvg_set_source_rgb (ctx, 0, 0, 0); + vkvg_stroke (ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/gradient.c b/tests/gradient.c new file mode 100644 index 0000000..b1a36cd --- /dev/null +++ b/tests/gradient.c @@ -0,0 +1,25 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + VkvgPattern pat = vkvg_pattern_create_linear(100,0,300,0); + vkvg_set_line_width(ctx, 20); + vkvg_patter_add_color_stop(pat, 0, 1, 0, 0, 1); + vkvg_patter_add_color_stop(pat, 0.5, 0, 1, 0, 1); + vkvg_patter_add_color_stop(pat, 1, 0, 0, 1, 1); + vkvg_set_source (ctx, pat); + vkvg_rectangle(ctx,100,100,200,200); + vkvg_fill (ctx); + //vkvg_stroke (ctx); + vkvg_pattern_destroy (pat); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/gradient_transform.c b/tests/gradient_transform.c new file mode 100644 index 0000000..7f6ef55 --- /dev/null +++ b/tests/gradient_transform.c @@ -0,0 +1,30 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + //vkvg_translate(ctx,-100,-100); + //vkvg_rotate(ctx,1.5); + //vkvg_translate(ctx,100,100); + + vkvg_scale(ctx,2,2); + VkvgPattern pat = vkvg_pattern_create_linear(0,0,200,0); + vkvg_set_line_width(ctx, 20); + vkvg_patter_add_color_stop(pat, 0, 1, 0, 0, 1); + vkvg_patter_add_color_stop(pat, 0.5, 0, 1, 0, 1); + vkvg_patter_add_color_stop(pat, 1, 0, 0, 1, 1); + vkvg_set_source (ctx, pat); + vkvg_rectangle(ctx,0,0,200,200); + vkvg_fill (ctx); + //vkvg_stroke (ctx); + vkvg_pattern_destroy (pat); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/img_surf.c b/tests/img_surf.c new file mode 100644 index 0000000..be9bb05 --- /dev/null +++ b/tests/img_surf.c @@ -0,0 +1,34 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + VkvgSurface imgSurf;// = vkvg_surface_create_from_image(device, "/mnt/data/images/blason.png"); + //VkvgSurface imgSurf = vkvg_surface_create_from_image(device, "/mnt/data/images/2000px-Tux.svg.png"); + //VkvgSurface imgSurf = vkvg_surface_create_from_image(device, "/mnt/data/images/path2674.png"); + //VkvgSurface imgSurf = vkvg_surface_create_from_image(device, "/mnt/data/images/horse-black-head-shape-of-a-chess-piece_318-52446.jpg"); + /*vkvg_set_source_surface(ctx, imgSurf, 200, 200); + vkvg_paint(ctx); + vkvg_set_source_surface(ctx, imgSurf, 400, 400); + vkvg_paint(ctx); + vkvg_flush(ctx); + vkvg_surface_destroy(imgSurf);*/ + + imgSurf = vkvg_surface_create_from_image(device, "data/miroir.jpg"); + fflush(stdout); + vkvg_set_source_surface(ctx, imgSurf, 0, 0); + vkvg_paint(ctx); + //vkvg_flush(ctx); + //vkvg_set_source_rgba(ctx,1,0,0,1); + + vkvg_surface_destroy(imgSurf); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/line_caps.c b/tests/line_caps.c new file mode 100644 index 0000000..c348d4a --- /dev/null +++ b/tests/line_caps.c @@ -0,0 +1,57 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + float x = 20, y = 20, dx = 30, dy = 60; + + //vkvg_scale(ctx,5,5); + vkvg_set_line_width(ctx,26); + vkvg_set_source_rgba(ctx,0,0,0,1); + vkvg_move_to(ctx,x,y); + vkvg_rel_line_to(ctx,0,dy); + vkvg_stroke(ctx); + vkvg_set_line_cap(ctx,VKVG_LINE_CAP_SQUARE); + vkvg_move_to(ctx,x+dx,y); + vkvg_rel_line_to(ctx,0,dy); + vkvg_stroke(ctx); + vkvg_set_line_cap(ctx,VKVG_LINE_CAP_ROUND); + vkvg_move_to(ctx,x+2*dx,y); + vkvg_rel_line_to(ctx,0,dy); + vkvg_rel_move_to(ctx,dx,-dy); + vkvg_rel_line_to(ctx,dx,dy); + vkvg_rel_move_to(ctx,dx,-dy/2); + vkvg_rel_line_to(ctx,dx,0); + vkvg_rel_move_to(ctx,dx,dy/2); + vkvg_rel_line_to(ctx,dx,-dy); + vkvg_rel_move_to(ctx,dx,dy); + vkvg_rel_line_to(ctx,0,-dy); + vkvg_rel_move_to(ctx,2*dx,dy); + vkvg_rel_line_to(ctx,-dx,-dy); + vkvg_rel_move_to(ctx,3*dx,dy/2); + vkvg_rel_line_to(ctx,-dx,0); + //vkvg_rel_line_to(ctx,0,-dy); + //vkvg_rel_move_to(ctx,dx,dy/2); + //vkvg_rel_line_to(ctx,dx,0); + vkvg_stroke(ctx); + + vkvg_set_line_cap(ctx,VKVG_LINE_CAP_BUTT); + vkvg_set_line_width(ctx,1); + vkvg_set_source_rgba(ctx,1,0,0,1); + vkvg_move_to(ctx,x,y); + vkvg_rel_line_to(ctx,0,dy); + vkvg_rel_move_to(ctx,dx,-dy); + vkvg_rel_line_to(ctx,0,dy); + vkvg_rel_move_to(ctx,dx,-dy); + vkvg_rel_line_to(ctx,0,dy); + vkvg_stroke(ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/line_join.c b/tests/line_join.c new file mode 100644 index 0000000..03c9d25 --- /dev/null +++ b/tests/line_join.c @@ -0,0 +1,74 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + float x = 50, y = 150, dx = 150, dy = 140; + + vkvg_scale(ctx,2,2); + + vkvg_set_line_width(ctx,40); + vkvg_set_source_rgba(ctx,0,0,0,1); + + + vkvg_set_line_join(ctx,VKVG_LINE_JOIN_ROUND); + //vkvg_rectangle(ctx,x,y,dx,dy); + + vkvg_move_to(ctx,x,y); + vkvg_rel_line_to(ctx,50,-30); + vkvg_rel_line_to(ctx,50,0); + vkvg_rel_line_to(ctx,50,30); + vkvg_rel_line_to(ctx,0,60); + vkvg_rel_line_to(ctx,-50,70); + vkvg_rel_line_to(ctx,-50,0); + vkvg_rel_line_to(ctx,-50,-70); + vkvg_close_path(ctx); + vkvg_stroke(ctx); + + vkvg_set_source_rgba(ctx,1,0,0,1); + vkvg_move_to(ctx,x+200,y); + vkvg_rel_line_to(ctx,50,70); + vkvg_rel_line_to(ctx,50,0); + vkvg_rel_line_to(ctx,50,-70); + vkvg_rel_line_to(ctx,0,-60); + vkvg_rel_line_to(ctx,-50,-30); + vkvg_rel_line_to(ctx,-50,0); + vkvg_rel_line_to(ctx,-50,30); + vkvg_close_path(ctx); + vkvg_stroke(ctx); + + vkvg_move_to(ctx,x,y); + vkvg_rel_line_to(ctx,50,-30); + vkvg_rel_line_to(ctx,50,0); + vkvg_rel_line_to(ctx,50,30); + vkvg_rel_line_to(ctx,0,60); + vkvg_rel_line_to(ctx,-50,70); + vkvg_rel_line_to(ctx,-50,0); + vkvg_rel_line_to(ctx,-50,-70); + vkvg_close_path(ctx); + vkvg_stroke(ctx); + +// vkvg_rel_line_to(ctx,dx,-dy); +// vkvg_rel_line_to(ctx,dx,dy); +// vkvg_stroke(ctx); +// vkvg_set_line_join(ctx,VKVG_LINE_JOIN_BEVEL); +// vkvg_rel_move_to(ctx,-dx*2,abs(dy*1.5)); +// vkvg_rel_line_to(ctx,dx,-dy); +// vkvg_rel_line_to(ctx,dx,dy); +// vkvg_stroke(ctx); +// vkvg_set_line_join(ctx,VKVG_LINE_JOIN_ROUND); +// vkvg_rel_move_to(ctx,-dx*2,abs(dy*1.5)); +// vkvg_rel_line_to(ctx,dx,-dy); +// vkvg_rel_line_to(ctx,dx,dy); +// vkvg_stroke(ctx); +// vkvg_set_line_join(ctx,VKVG_LINE_JOIN_MITER); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/multi.c b/tests/multi.c new file mode 100644 index 0000000..be0f55a --- /dev/null +++ b/tests/multi.c @@ -0,0 +1,14 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/painting.c b/tests/painting.c new file mode 100644 index 0000000..8b8e225 --- /dev/null +++ b/tests/painting.c @@ -0,0 +1,40 @@ +#include "test.h" + +void test(){ + + VkvgSurface surf2 = vkvg_surface_create (device,400,400);; + VkvgContext ctx = vkvg_create (surf2); + + vkvg_set_source_rgba(ctx,1.0,0.,0.,1.0); + vkvg_paint (ctx); + + vkvg_destroy (ctx); + ctx = vkvg_create (surf); + + vkvg_set_source_rgba(ctx,0.1,0.1,0.3,1.0); + vkvg_paint (ctx); + + //vkvg_set_source_surface(ctx,surf2,0,0); + + //VkvgPattern pat = vkvg_get_source (ctx); + VkvgPattern pat = vkvg_pattern_create_for_surface(surf2); + vkvg_pattern_set_extend (pat,VKVG_EXTEND_REFLECT); + vkvg_set_source(ctx,pat); + //vkvg_paint (ctx); + //vkvg_set_source_rgba(ctx,0,1,0,1.0); + vkvg_rectangle(ctx,100,100,200,200); + vkvg_fill(ctx); + + vkvg_destroy (ctx); + vkvg_surface_destroy (surf2); + vkvg_pattern_destroy (pat); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/random_rects.c b/tests/random_rects.c new file mode 100644 index 0000000..6c3edd0 --- /dev/null +++ b/tests/random_rects.c @@ -0,0 +1,33 @@ +#include "test.h" + +void test(){ + vkvg_surface_clear(surf); + struct timeval currentTime; + gettimeofday(¤tTime, NULL); + + srand((unsigned) currentTime.tv_usec); + const float w = 1024.f; + + VkvgContext ctx = vkvg_create(surf); + vkvg_set_line_width(ctx,1); + for (int i=0; i<5000; i++) { + randomize_color(ctx); + float x = trunc( (0.5*(float)w*rand())/RAND_MAX ); + float y = trunc( (0.5*(float)w*rand())/RAND_MAX ); + float z = trunc( (0.5*(float)w*rand())/RAND_MAX ) + 1; + float v = trunc( (0.5*(float)w*rand())/RAND_MAX ) + 1; + + vkvg_rectangle(ctx, x+1, y+1, z, v); + vkvg_fill_preserve(ctx); + randomize_color(ctx); + vkvg_stroke(ctx); + } + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/rect_fill.c b/tests/rect_fill.c new file mode 100644 index 0000000..9453a3c --- /dev/null +++ b/tests/rect_fill.c @@ -0,0 +1,23 @@ +#include "test.h" + +void test(){ + vkvg_surface_clear(surf); + VkvgContext ctx = vkvg_create(surf); + + vkvg_set_line_width(ctx,10); + vkvg_set_source_rgba(ctx,0,0,1,0.5); + vkvg_rectangle(ctx,100,100,200,200); + vkvg_fill(ctx); + vkvg_rectangle(ctx,200,200,200,200); + vkvg_set_source_rgba(ctx,1,0,0,0.5); + vkvg_fill(ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/simple_paint.c b/tests/simple_paint.c new file mode 100644 index 0000000..f3c1161 --- /dev/null +++ b/tests/simple_paint.c @@ -0,0 +1,15 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + vkvg_set_source_rgba(ctx,1,0,0,1); + vkvg_paint(ctx); + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/stroke.c b/tests/stroke.c new file mode 100644 index 0000000..3f6d1d5 --- /dev/null +++ b/tests/stroke.c @@ -0,0 +1,52 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_set_line_width(ctx, 2); + vkvg_set_source_rgba(ctx,1,0,0,1); + vkvg_move_to(ctx,200.5,200.5); + vkvg_line_to(ctx,400.5,200.5); + vkvg_line_to(ctx,400.5,400.5); + vkvg_line_to(ctx,200.5,400.5); + vkvg_close_path(ctx); + vkvg_stroke_preserve(ctx); + vkvg_set_source_rgba(ctx,0,0.2,0.35,1); + vkvg_fill(ctx); + vkvg_set_source_rgba(ctx,0.5,1,0,1); + vkvg_move_to(ctx,300.5,300.5); + vkvg_line_to(ctx,500.5,300.5); + vkvg_line_to(ctx,500.5,500.5); + vkvg_line_to(ctx,300.5,500.5); + vkvg_close_path(ctx); + vkvg_stroke(ctx); + vkvg_set_line_width(ctx, 40); + vkvg_set_source_rgba(ctx,0.5,0.6,1,1.0); + vkvg_move_to(ctx,700,475); + vkvg_line_to(ctx,400,475); + vkvg_stroke(ctx); + vkvg_set_source_rgba(ctx,0,0.5,0.5,0.5); + vkvg_move_to(ctx,300,200); + vkvg_arc(ctx, 200,200,100,0, M_PI); + vkvg_stroke(ctx); + + vkvg_set_line_width(ctx, 20); + vkvg_set_source_rgba(ctx,0.1,0.1,0.1,0.5); + vkvg_move_to(ctx,100,60); + vkvg_line_to(ctx,400,600); + vkvg_stroke(ctx); + + vkvg_set_source_rgba(ctx,1,1,1,1); + vkvg_set_line_width(ctx, 1); + vkvg_rectangle(ctx,600.5,200.5,100,60); + vkvg_stroke(ctx); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/svg.c b/tests/svg.c new file mode 100644 index 0000000..3dbec1b --- /dev/null +++ b/tests/svg.c @@ -0,0 +1,103 @@ +#include "test.h" + +#include "string.h" //for nanosvg +#define NANOSVG_IMPLEMENTATION // Expands implementation +#include "nanosvg.h" + +void svg_set_color (VkvgContext ctx, uint32_t c, float alpha) { + float a = (c >> 24 & 255) / 255.f; + float b = (c >> 16 & 255) / 255.f; + float g = (c >> 8 & 255) / 255.f; + float r = (c & 255) / 255.f; + vkvg_set_source_rgba(ctx,r,g,b,a*alpha); +} + +static float rotation = 0.f; + +void test_svg () { + rotation+=0.01f; + + vkvg_matrix_t mat; + vkvg_matrix_init_translate (&mat, 512,400); + vkvg_matrix_rotate(&mat,rotation); + vkvg_matrix_translate(&mat,-512,-400); + + VkvgContext ctx = vkvg_create(surf); + vkvg_set_source_rgba(ctx,1.0,1.0,1.0,1); + vkvg_paint(ctx); + + vkvg_set_matrix(ctx,&mat); + + NSVGimage* svg; + NSVGshape* shape; + NSVGpath* path; + //svg = nsvgParseFromFile("/mnt/data/images/svg/tux.svg", "px", 96); + //svg = nsvgParseFromFile("/mnt/data/images/svg/world.svg", "px", 96); + svg = nsvgParseFromFile("data/tiger.svg", "px", 96); + //svg = nsvgParseFromFile("/mnt/data/images/svg/koch_curve.svg", "px", 96); + //svg = nsvgParseFromFile("/mnt/data/images/svg/diamond1.svg", "px", 96); + //svg = nsvgParseFromFile("/mnt/data/images/svg/diamond2.svg", "px", 96); + //svg = nsvgParseFromFile("/home/jp/yahweh-protosinaitic.svg", "px", 96); + //svg = nsvgParseFromFile("/mnt/data/images/svg/WMD-biological.svg", "px", 96); + //svg = nsvgParseFromFile("/mnt/data/images/svg/Skull_and_crossbones.svg", "px", 96); + //svg = nsvgParseFromFile("/mnt/data/images/svg/IconAlerte.svg", "px", 96); + //svg = nsvgParseFromFile("/mnt/data/images/svg/Svg_example4.svg", "px", 96); + + //vkvg_scale(ctx, 3,3); + vkvg_set_source_rgba(ctx,0.0,0.0,0.0,1); + + for (shape = svg->shapes; shape != NULL; shape = shape->next) { + + vkvg_new_path(ctx); + + float o = shape->opacity; + + vkvg_set_line_width(ctx, shape->strokeWidth); + + for (path = shape->paths; path != NULL; path = path->next) { + float* p = path->pts; + vkvg_move_to(ctx, p[0],p[1]); + for (int i = 1; i < path->npts-2; i += 3) { + p = &path->pts[i*2]; + vkvg_curve_to(ctx, p[0],p[1], p[2],p[3], p[4],p[5]); + } + if (path->closed) + vkvg_close_path(ctx); + } + + if (shape->fill.type == NSVG_PAINT_COLOR) + svg_set_color(ctx, shape->fill.color, o); + else if (shape->fill.type == NSVG_PAINT_LINEAR_GRADIENT){ + NSVGgradient* g = shape->fill.gradient; + svg_set_color(ctx, g->stops[0].color, o); + } + + if (shape->fill.type != NSVG_PAINT_NONE){ + if (shape->stroke.type == NSVG_PAINT_NONE){ + vkvg_fill(ctx); + continue; + } + vkvg_fill_preserve (ctx); + } + + if (shape->stroke.type == NSVG_PAINT_COLOR) + svg_set_color(ctx, shape->stroke.color, o); + else if (shape->stroke.type == NSVG_PAINT_LINEAR_GRADIENT){ + NSVGgradient* g = shape->stroke.gradient; + svg_set_color(ctx, g->stops[0].color, o); + } + + vkvg_stroke(ctx); + } + + nsvgDelete(svg); + + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test_svg, 1024, 768); + return 0; +} diff --git a/tests/test1.c b/tests/test1.c index 82aa694..d7235cb 100644 --- a/tests/test1.c +++ b/tests/test1.c @@ -19,634 +19,8 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ -#include "vkengine.h" -#include "stdio.h" -#include "stdlib.h" -#include "time.h" -#include "vkvg.h" -#include "string.h" //for nanosvg -#define NANOSVG_IMPLEMENTATION // Expands implementation -#include "nanosvg.h" -#include "vkh_device.h" -#include "vkh_presenter.h" - -#ifdef _WIN32 // MSC_VER - #define WIN32_LEAN_AND_MEAN - #define NOMINMAX - #include // Windows.h -> WinDef.h defines min() max() - - /* - typedef uint16_t WORD ; - typedef uint32_t DWORD; - - typedef struct _FILETIME { - DWORD dwLowDateTime; - DWORD dwHighDateTime; - } FILETIME; - - typedef struct _SYSTEMTIME { - WORD wYear; - WORD wMonth; - WORD wDayOfWeek; - WORD wDay; - WORD wHour; - WORD wMinute; - WORD wSecond; - WORD wMilliseconds; - } SYSTEMTIME, *PSYSTEMTIME; - */ - - // *sigh* Microsoft has this in winsock2.h because they are too lazy to put it in the standard location ... !?!? - typedef struct timeval { - long tv_sec; - long tv_usec; - } timeval; - - // *sigh* no gettimeofday on Win32/Win64 - int gettimeofday(struct timeval * tp, struct timezone * tzp) - { - // FILETIME Jan 1 1970 00:00:00 - // Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's - static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL); - - SYSTEMTIME nSystemTime; - FILETIME nFileTime; - uint64_t nTime; - - GetSystemTime( &nSystemTime ); - SystemTimeToFileTime( &nSystemTime, &nFileTime ); - nTime = ((uint64_t)nFileTime.dwLowDateTime ) ; - nTime += ((uint64_t)nFileTime.dwHighDateTime) << 32; - - tp->tv_sec = (long) ((nTime - EPOCH) / 10000000L); - tp->tv_usec = (long) (nSystemTime.wMilliseconds * 1000); - return 0; - } -#else - #include -#endif // _WIN32 - -VkvgDevice device; -VkvgSurface surf = NULL; - -static float panX = 0.f; -static float panY = 0.f; -static float lastX = 0.f; -static float lastY = 0.f; -static float zoom = 1.0f; -static bool mouseDown = false; - -static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) { - if (action != GLFW_PRESS) - return; - switch (key) { - case GLFW_KEY_ESCAPE : - glfwSetWindowShouldClose(window, GLFW_TRUE); - break; - } -} -static void char_callback (GLFWwindow* window, uint32_t c){} -static void mouse_move_callback(GLFWwindow* window, double x, double y){ - if (mouseDown) { - panX += ((float)x-lastX); - panY += ((float)y-lastY); - } - lastX = (float)x; - lastY = (float)y; -} -static void scroll_callback(GLFWwindow* window, double x, double y){ - if (y<0.f) - zoom *= 0.5f; - else - zoom *= 2.0f; -} -static void mouse_button_callback(GLFWwindow* window, int but, int state, int modif){ - if (but != GLFW_MOUSE_BUTTON_1) - return; - if (state == GLFW_TRUE) - mouseDown = true; - else - mouseDown = false; -} - -double time_diff(struct timeval x , struct timeval y) -{ - double x_ms , y_ms , diff; - - x_ms = (double)x.tv_sec*1000000 + (double)x.tv_usec; - y_ms = (double)y.tv_sec*1000000 + (double)y.tv_usec; - - diff = (double)y_ms - (double)x_ms; - - return diff; -} - -void randomize_color (VkvgContext ctx) { - vkvg_set_source_rgba(ctx, - (float)rand()/RAND_MAX, - (float)rand()/RAND_MAX, - (float)rand()/RAND_MAX, - (float)rand()/RAND_MAX - ); -} -void vkvg_test_gradient (VkvgContext ctx) { - VkvgPattern pat = vkvg_pattern_create_linear(100,0,300,0); - vkvg_set_line_width(ctx, 20); - vkvg_patter_add_color_stop(pat, 0, 1, 0, 0, 1); - vkvg_patter_add_color_stop(pat, 0.5, 0, 1, 0, 1); - vkvg_patter_add_color_stop(pat, 1, 0, 0, 1, 1); - vkvg_set_source (ctx, pat); - vkvg_rectangle(ctx,100,100,200,200); - vkvg_fill (ctx); - //vkvg_stroke (ctx); - vkvg_pattern_destroy (pat); -} - -void vkvg_test_clip(VkvgContext ctx){ - vkvg_move_to(ctx,10,10); - vkvg_line_to(ctx,400,150); - vkvg_line_to(ctx,900,10); - vkvg_line_to(ctx,700,450); - vkvg_line_to(ctx,900,750); - vkvg_line_to(ctx,500,650); - vkvg_line_to(ctx,100,800); - vkvg_line_to(ctx,150,400); - vkvg_clip(ctx); -} -void vkvg_test_fill(VkvgContext ctx){ - vkvg_set_source_rgba(ctx,0.1,0.9,0.1,1.0); - vkvg_move_to(ctx,10,10); - vkvg_rel_line_to(ctx,100,100); - vkvg_rel_line_to(ctx,100,-100); - vkvg_rel_line_to(ctx,100,400); -// vkvg_line_to(ctx,400,350); -// vkvg_line_to(ctx,900,150); -// vkvg_line_to(ctx,700,450); -// vkvg_line_to(ctx,900,750); -// vkvg_line_to(ctx,500,650); -// vkvg_line_to(ctx,100,800); -// vkvg_line_to(ctx,150,400); - vkvg_close_path(ctx); - vkvg_fill(ctx); -} -void vkvg_test_fill_and_stroke (VkvgContext ctx){ - vkvg_move_to (ctx, 100, 100); - vkvg_rel_line_to (ctx, 50, -80); - vkvg_rel_line_to (ctx, 50, 80); - //vkvg_close_path (ctx); - - vkvg_move_to (ctx, 300, 100); - vkvg_rel_line_to (ctx, 50, -80); - vkvg_rel_line_to (ctx, 50, 80); - vkvg_close_path (ctx); - - vkvg_set_line_width (ctx, 10.0); - vkvg_set_source_rgb (ctx, 0, 0, 1); - vkvg_fill_preserve (ctx); - //vkvg_fill(ctx); - vkvg_set_source_rgb (ctx, 0, 0, 0); - vkvg_stroke (ctx); -} -void vkvg_test_curves2 (VkvgContext ctx) { - - vkvg_move_to (ctx, 100, 400); - vkvg_curve_to (ctx, 100, 100, 600,700,600,400); - vkvg_curve_to (ctx, 1000, 100, 100, 800, 1000, 800); - vkvg_curve_to (ctx, 1000, 500, 700, 500, 700, 100); - vkvg_close_path(ctx); - - //vkvg_set_source_rgba (ctx, 0.5,0.0,1.0,0.5); - //vkvg_fill_preserve(ctx); - - vkvg_set_source_rgba (ctx, 0,0,0,1); - vkvg_set_line_width(ctx, 40); - vkvg_stroke(ctx); -} -void vkvg_test_curves (VkvgContext ctx){ - - vkvg_set_line_width(ctx, 10); - vkvg_set_source_rgb (ctx, 0,0,0); - - vkvg_arc(ctx, 150, 100, 10, 0, M_PI*2); - vkvg_fill(ctx); - vkvg_arc(ctx, 200, 200, 10, 0, M_PI*2); - vkvg_fill(ctx); - - vkvg_set_source_rgba (ctx, 0.5,0.0,1.0,0.5); - vkvg_move_to(ctx,100,100); - vkvg_line_to(ctx,200,100); - vkvg_curve_to(ctx,250,100,300,150,300,200); - vkvg_line_to(ctx,300,300); - vkvg_curve_to(ctx,300,350,250,400,200,400); - vkvg_line_to(ctx,100,400); - vkvg_curve_to(ctx,50,400,10,350,10,300); - vkvg_line_to(ctx,10,200); - vkvg_curve_to(ctx,10,150,50,100,100,100); - vkvg_close_path(ctx); - //vkvg_curve_to(ctx, 150,100,200,150,200,200); - vkvg_fill_preserve(ctx); - vkvg_set_source_rgba (ctx, 1,1,1.0,0.5); - vkvg_stroke(ctx); -} -void vkvg_test_stroke(VkvgContext ctx){ - vkvg_set_line_width(ctx, 2); - vkvg_set_source_rgba(ctx,1,0,0,1); - vkvg_move_to(ctx,200.5,200.5); - vkvg_line_to(ctx,400.5,200.5); - vkvg_line_to(ctx,400.5,400.5); - vkvg_line_to(ctx,200.5,400.5); - vkvg_close_path(ctx); - vkvg_stroke_preserve(ctx); - vkvg_set_source_rgba(ctx,0,0.2,0.35,1); - vkvg_fill(ctx); - vkvg_set_source_rgba(ctx,0.5,1,0,1); - vkvg_move_to(ctx,300.5,300.5); - vkvg_line_to(ctx,500.5,300.5); - vkvg_line_to(ctx,500.5,500.5); - vkvg_line_to(ctx,300.5,500.5); - vkvg_close_path(ctx); - vkvg_stroke(ctx); - vkvg_set_line_width(ctx, 40); - vkvg_set_source_rgba(ctx,0.5,0.6,1,1.0); - vkvg_move_to(ctx,700,475); - vkvg_line_to(ctx,400,475); - vkvg_stroke(ctx); - vkvg_set_source_rgba(ctx,0,0.5,0.5,0.5); - vkvg_move_to(ctx,300,200); - vkvg_arc(ctx, 200,200,100,0, M_PI); - vkvg_stroke(ctx); - - vkvg_set_line_width(ctx, 20); - vkvg_set_source_rgba(ctx,0.1,0.1,0.1,0.5); - vkvg_move_to(ctx,100,60); - vkvg_line_to(ctx,400,600); - vkvg_stroke(ctx); -} -void test_text (VkvgContext ctx) { - int size = 19; - int penY = 50; - int penX = 10; - - /*vkvg_rectangle(ctx,30,0,100,400); - vkvg_clip(ctx);*/ - - //vkvg_select_font_face(ctx, "/usr/local/share/fonts/DroidSansMono.ttf"); - //vkvg_select_font_face(ctx, "/usr/share/fonts/truetype/unifont/unifont.ttf"); - - vkvg_set_font_size(ctx,12); - vkvg_select_font_face(ctx, "droid"); - vkvg_font_extents_t fe; - vkvg_font_extents (ctx,&fe); - vkvg_move_to(ctx, penX,penY); - vkvg_set_source_rgba(ctx,0.7,0.7,0.7,1); - vkvg_text_extents_t te; - vkvg_text_extents(ctx,"abcdefghijk",&te); - vkvg_show_text (ctx,"abcdefghijk"); - penX+= te.x_advance; - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"*abcdefghijk2"); - penY+=2*size; - - - vkvg_select_font_face(ctx, "times"); - vkvg_set_source_rgba(ctx,0.9,0.7,0.7,1); - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"abcdefghijklmnopqrstuvwxyz"); - penY+=size; - - - - vkvg_select_font_face(ctx, "droid"); - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"lmnopqrstuvwxyz123456789"); - penY+=size; - - - - vkvg_select_font_face(ctx, "times:bold"); - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"abcdefghijklmnopqrstuvwxyz"); - penY+=size; - - - vkvg_select_font_face(ctx, "droid"); - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"ABCDEFGHIJKLMNOPQRSTUVWXYZ"); - penY+=size; - - - - vkvg_select_font_face(ctx, "arial:italic"); - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"abcdefghijklmnopqrstuvwxyz"); - penY+=size; - - - vkvg_select_font_face(ctx, "arial"); - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"ABCDEFGHIJKLMNOPQRSTUVWXYZ"); - penY+=size; - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"this is a test"); - penY+=size; - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"this is another test to see if label is working"); - penY+=size; - - vkvg_select_font_face(ctx, "mono"); - vkvg_move_to(ctx, penX,penY); - vkvg_show_text (ctx,"ABCDEFGHIJKLMNOPQRSTUVWXYZ"); - penY+=size; - - vkvg_move_to(ctx, 80,400); - vkvg_show_text (ctx,"Ленивый рыжий кот"); - - - /*vkvg_move_to(ctx, 150,250); - vkvg_show_text (ctx,"test string é€"); - vkvg_move_to(ctx, 150,300); - vkvg_show_text (ctx,"كسول الزنجبيل القط"); - vkvg_move_to(ctx, 150,350); - vkvg_show_text (ctx,"懶惰的姜貓");*/ - - //vkvg_show_text (ctx,"ABCDABCD"); - //vkvg_show_text (ctx,"j"); -} -void vkvg_test_stroke2(VkvgContext ctx){ - vkvg_set_line_width(ctx,20); - vkvg_set_source_rgba(ctx,1,0,0,1); - vkvg_move_to(ctx,200,200); - vkvg_line_to(ctx,400,200); - vkvg_line_to(ctx,400,400); - vkvg_line_to(ctx,200,400); - vkvg_close_path(ctx); - vkvg_stroke(ctx); - vkvg_set_source_rgba(ctx,0.5,1,0,1); - vkvg_move_to(ctx,300,300); - vkvg_line_to(ctx,500,300); - vkvg_line_to(ctx,500,500); - vkvg_line_to(ctx,300,500); - vkvg_close_path(ctx); - vkvg_stroke(ctx); - vkvg_set_line_width(ctx,10); - vkvg_set_source_rgba(ctx,0.5,0.6,1,1); - vkvg_move_to(ctx,700,475); - vkvg_line_to(ctx,400,475); - vkvg_stroke(ctx); - vkvg_set_source_rgba(ctx,1,0,1,1); - vkvg_move_to(ctx,700,500); - - vkvg_arc(ctx, 600,500,100,M_PI, 2.0*M_PI); - vkvg_stroke(ctx); - - - vkvg_set_line_width(ctx,20); - vkvg_set_source_rgba(ctx,1,1,0,1); - vkvg_move_to(ctx,100,50); - vkvg_line_to(ctx,400,50); - vkvg_stroke(ctx); -} -void vkvg_test_fill2(VkvgContext ctx){ - vkvg_set_source_rgba(ctx,1,0,0,1); - vkvg_move_to(ctx,200,200); - vkvg_line_to(ctx,250,150); - vkvg_line_to(ctx,200,100); - vkvg_line_to(ctx,300,150); - vkvg_line_to(ctx,700,100); - vkvg_line_to(ctx,400,200); - vkvg_line_to(ctx,400,400); - vkvg_line_to(ctx,200,400); - vkvg_line_to(ctx,300,300); - vkvg_close_path(ctx); - vkvg_fill(ctx); -} -void test_img_surface () { - VkvgContext ctx = vkvg_create(surf); - VkvgSurface imgSurf;// = vkvg_surface_create_from_image(device, "/mnt/data/images/blason.png"); - //VkvgSurface imgSurf = vkvg_surface_create_from_image(device, "/mnt/data/images/2000px-Tux.svg.png"); - //VkvgSurface imgSurf = vkvg_surface_create_from_image(device, "/mnt/data/images/path2674.png"); - //VkvgSurface imgSurf = vkvg_surface_create_from_image(device, "/mnt/data/images/horse-black-head-shape-of-a-chess-piece_318-52446.jpg"); - /*vkvg_set_source_surface(ctx, imgSurf, 200, 200); - vkvg_paint(ctx); - vkvg_set_source_surface(ctx, imgSurf, 400, 400); - vkvg_paint(ctx); - vkvg_flush(ctx); - vkvg_surface_destroy(imgSurf);*/ - - imgSurf = vkvg_surface_create_from_image(device, "/mnt/data/images/miroir.jpg"); - fflush(stdout); - vkvg_set_source_surface(ctx, imgSurf, 0, 0); - vkvg_paint(ctx); - //vkvg_flush(ctx); - //vkvg_set_source_rgba(ctx,1,0,0,1); - - vkvg_surface_destroy(imgSurf); - vkvg_destroy(ctx); -} -void test_line_caps (VkvgContext ctx) { - - float x = 20, y = 20, dx = 30, dy = 60; - - //vkvg_scale(ctx,5,5); - vkvg_set_line_width(ctx,26); - vkvg_set_source_rgba(ctx,0,0,0,1); - vkvg_move_to(ctx,x,y); - vkvg_rel_line_to(ctx,0,dy); - vkvg_stroke(ctx); - vkvg_set_line_cap(ctx,VKVG_LINE_CAP_SQUARE); - vkvg_move_to(ctx,x+dx,y); - vkvg_rel_line_to(ctx,0,dy); - vkvg_stroke(ctx); - vkvg_set_line_cap(ctx,VKVG_LINE_CAP_ROUND); - vkvg_move_to(ctx,x+2*dx,y); - vkvg_rel_line_to(ctx,0,dy); - vkvg_rel_move_to(ctx,dx,-dy); - vkvg_rel_line_to(ctx,dx,dy); - vkvg_rel_move_to(ctx,dx,-dy/2); - vkvg_rel_line_to(ctx,dx,0); - vkvg_rel_move_to(ctx,dx,dy/2); - vkvg_rel_line_to(ctx,dx,-dy); - vkvg_rel_move_to(ctx,dx,dy); - vkvg_rel_line_to(ctx,0,-dy); - vkvg_rel_move_to(ctx,2*dx,dy); - vkvg_rel_line_to(ctx,-dx,-dy); - vkvg_rel_move_to(ctx,3*dx,dy/2); - vkvg_rel_line_to(ctx,-dx,0); - //vkvg_rel_line_to(ctx,0,-dy); - //vkvg_rel_move_to(ctx,dx,dy/2); - //vkvg_rel_line_to(ctx,dx,0); - vkvg_stroke(ctx); - - vkvg_set_line_cap(ctx,VKVG_LINE_CAP_BUTT); - vkvg_set_line_width(ctx,1); - vkvg_set_source_rgba(ctx,1,0,0,1); - vkvg_move_to(ctx,x,y); - vkvg_rel_line_to(ctx,0,dy); - vkvg_rel_move_to(ctx,dx,-dy); - vkvg_rel_line_to(ctx,0,dy); - vkvg_rel_move_to(ctx,dx,-dy); - vkvg_rel_line_to(ctx,0,dy); - vkvg_stroke(ctx); -} -void test_line_join (VkvgContext ctx){ - float x = 50, y = 150, dx = 150, dy = 140; - - vkvg_scale(ctx,2,2); - - vkvg_set_line_width(ctx,40); - vkvg_set_source_rgba(ctx,0,0,0,1); - - - vkvg_set_line_join(ctx,VKVG_LINE_JOIN_ROUND); - //vkvg_rectangle(ctx,x,y,dx,dy); - - vkvg_move_to(ctx,x,y); - vkvg_rel_line_to(ctx,50,-30); - vkvg_rel_line_to(ctx,50,0); - vkvg_rel_line_to(ctx,50,30); - vkvg_rel_line_to(ctx,0,60); - vkvg_rel_line_to(ctx,-50,70); - vkvg_rel_line_to(ctx,-50,0); - vkvg_rel_line_to(ctx,-50,-70); - vkvg_close_path(ctx); - vkvg_stroke(ctx); - - vkvg_set_source_rgba(ctx,1,0,0,1); - vkvg_move_to(ctx,x+200,y); - vkvg_rel_line_to(ctx,50,70); - vkvg_rel_line_to(ctx,50,0); - vkvg_rel_line_to(ctx,50,-70); - vkvg_rel_line_to(ctx,0,-60); - vkvg_rel_line_to(ctx,-50,-30); - vkvg_rel_line_to(ctx,-50,0); - vkvg_rel_line_to(ctx,-50,30); - vkvg_close_path(ctx); - vkvg_stroke(ctx); - - vkvg_move_to(ctx,x,y); - vkvg_rel_line_to(ctx,50,-30); - vkvg_rel_line_to(ctx,50,0); - vkvg_rel_line_to(ctx,50,30); - vkvg_rel_line_to(ctx,0,60); - vkvg_rel_line_to(ctx,-50,70); - vkvg_rel_line_to(ctx,-50,0); - vkvg_rel_line_to(ctx,-50,-70); - vkvg_close_path(ctx); - vkvg_stroke(ctx); - -// vkvg_rel_line_to(ctx,dx,-dy); -// vkvg_rel_line_to(ctx,dx,dy); -// vkvg_stroke(ctx); -// vkvg_set_line_join(ctx,VKVG_LINE_JOIN_BEVEL); -// vkvg_rel_move_to(ctx,-dx*2,abs(dy*1.5)); -// vkvg_rel_line_to(ctx,dx,-dy); -// vkvg_rel_line_to(ctx,dx,dy); -// vkvg_stroke(ctx); -// vkvg_set_line_join(ctx,VKVG_LINE_JOIN_ROUND); -// vkvg_rel_move_to(ctx,-dx*2,abs(dy*1.5)); -// vkvg_rel_line_to(ctx,dx,-dy); -// vkvg_rel_line_to(ctx,dx,dy); -// vkvg_stroke(ctx); -// vkvg_set_line_join(ctx,VKVG_LINE_JOIN_MITER); -} -void test_colinear () { - VkvgContext ctx = vkvg_create(surf); - vkvg_set_source_rgba(ctx,0.7,0.7,0.7,1); - vkvg_paint(ctx); - - vkvg_set_source_rgba(ctx,0,0,0,1); - vkvg_set_line_width(ctx,10); - - vkvg_move_to(ctx,100,100); - vkvg_line_to(ctx,100,200); - vkvg_line_to(ctx,100,100); - vkvg_stroke(ctx); - - vkvg_destroy(ctx); -} - -void multi_test1 () { - VkvgSurface surf2 = vkvg_surface_create (device,800,800);; - VkvgContext ctx = vkvg_create (surf2); - - vkvg_set_source_rgba(ctx,0.1,0.1,0.3,1); - vkvg_paint(ctx); - - vkvg_test_fill(ctx); - vkvg_test_fill2(ctx); - -// vkvg_set_line_join(ctx,VKVG_LINE_JOIN_ROUND); - - - //test_line_join(ctx); -// vkvg_set_source_rgba(ctx,0.0,1.0,0.0,1.0); - -// vkvg_move_to(ctx,50,50); -// vkvg_rel_line_to(ctx,400,-10); -// vkvg_rel_line_to(ctx,-200,300); -// vkvg_close_path(ctx); -// vkvg_fill(ctx); - -// vkvg_set_source_rgba(ctx,1.0,1.0,0.0,1.0); -// vkvg_move_to(ctx,100,100); -// vkvg_line_to(ctx,100,200); -// vkvg_stroke(ctx); - - //vkvg_test_clip(ctx); - -// vkvg_set_source_rgba (ctx,0.02,0.8,0.3,1.0); -// vkvg_rectangle (ctx,200,200,300,300); -// vkvg_fill (ctx); - - - test_text(ctx); - - - vkvg_test_stroke(ctx); - - vkvg_translate(ctx, 100,50); -// vkvg_rotate(ctx, 0.2); - //vkvg_scale(ctx, 2,2); - - - //vkvg_test_gradient (ctx); - - vkvg_test_curves(ctx); - vkvg_test_curves2(ctx); - - /*vkvg_set_operator(ctx, VKVG_OPERATOR_CLEAR); - vkvg_rectangle(ctx,100,100,300,300); - vkvg_fill(ctx); - vkvg_set_operator(ctx, VKVG_OPERATOR_OVER);*/ - - //test_img_surface(ctx); - //test_line_caps(ctx); - - vkvg_destroy(ctx); - ctx = vkvg_create(surf); - - vkvg_set_source_rgba(ctx,1.0,0.0,0.0,1); - vkvg_paint(ctx); -// vkvg_set_source_rgba(ctx,0.0,0.0,1.0,1); -// vkvg_rectangle(ctx,100,100,500,500); -// vkvg_fill(ctx); - - VkvgPattern pat = vkvg_pattern_create_for_surface(surf2); - vkvg_pattern_set_extend(pat, VKVG_EXTEND_REFLECT); - vkvg_pattern_set_filter(pat, VKVG_FILTER_BEST); - vkvg_set_source (ctx, pat); - //vkvg_rectangle(ctx,100,100,400,400); - //vkvg_fill(ctx); - vkvg_paint(ctx); - vkvg_translate(ctx,200,200); - vkvg_paint(ctx); - vkvg_rotate(ctx,0.7); - vkvg_paint(ctx); - vkvg_pattern_destroy (pat); - vkvg_destroy(ctx); - vkvg_surface_destroy(surf2); -} +#include "test.h" void cairo_test_fill_rule (VkvgContext cr){ vkvg_set_line_width (cr, 6); @@ -970,308 +344,9 @@ void cairo_tests () { vkvg_destroy(ctx); } -void test_grad_transforms () { - VkvgContext ctx = vkvg_create(surf); - - vkvg_translate(ctx,-100,-100); - vkvg_rotate(ctx,1.5); - //vkvg_translate(ctx,100,100); - - //vkvg_scale(ctx,0.2,0.2); - VkvgPattern pat = vkvg_pattern_create_linear(0,0,200,0); - vkvg_set_line_width(ctx, 20); - vkvg_patter_add_color_stop(pat, 0, 1, 0, 0, 1); - vkvg_patter_add_color_stop(pat, 0.5, 0, 1, 0, 1); - vkvg_patter_add_color_stop(pat, 1, 0, 0, 1, 1); - vkvg_set_source (ctx, pat); - vkvg_rectangle(ctx,0,0,200,200); - vkvg_fill (ctx); - //vkvg_stroke (ctx); - vkvg_pattern_destroy (pat); - - vkvg_destroy(ctx); -} - -void svg_set_color (VkvgContext ctx, uint32_t c, float alpha) { - float a = (c >> 24 & 255) / 255.f; - float b = (c >> 16 & 255) / 255.f; - float g = (c >> 8 & 255) / 255.f; - float r = (c & 255) / 255.f; - vkvg_set_source_rgba(ctx,r,g,b,a*alpha); -} - -void test_svg () { - rotation+=0.01f; - - vkvg_matrix_t mat; - vkvg_matrix_init_translate (&mat, 512,400); - vkvg_matrix_rotate(&mat,rotation); - vkvg_matrix_translate(&mat,-512,-400); - - VkvgContext ctx = vkvg_create(surf); - vkvg_set_source_rgba(ctx,1.0,1.0,1.0,1); - vkvg_paint(ctx); - - vkvg_set_matrix(ctx,&mat); - - NSVGimage* svg; - NSVGshape* shape; - NSVGpath* path; - //svg = nsvgParseFromFile("/mnt/data/images/svg/tux.svg", "px", 96); - //svg = nsvgParseFromFile("/mnt/data/images/svg/world.svg", "px", 96); - svg = nsvgParseFromFile("/mnt/data/images/svg/tiger.svg", "px", 96); - //svg = nsvgParseFromFile("/mnt/data/images/svg/koch_curve.svg", "px", 96); - //svg = nsvgParseFromFile("/mnt/data/images/svg/diamond1.svg", "px", 96); - //svg = nsvgParseFromFile("/mnt/data/images/svg/diamond2.svg", "px", 96); - //svg = nsvgParseFromFile("/home/jp/yahweh-protosinaitic.svg", "px", 96); - //svg = nsvgParseFromFile("/mnt/data/images/svg/WMD-biological.svg", "px", 96); - //svg = nsvgParseFromFile("/mnt/data/images/svg/Skull_and_crossbones.svg", "px", 96); - //svg = nsvgParseFromFile("/mnt/data/images/svg/IconAlerte.svg", "px", 96); - //svg = nsvgParseFromFile("/mnt/data/images/svg/Svg_example4.svg", "px", 96); - - //vkvg_scale(ctx, 3,3); - vkvg_set_source_rgba(ctx,0.0,0.0,0.0,1); - - for (shape = svg->shapes; shape != NULL; shape = shape->next) { - - vkvg_new_path(ctx); - - float o = shape->opacity; - - vkvg_set_line_width(ctx, shape->strokeWidth); - - for (path = shape->paths; path != NULL; path = path->next) { - float* p = path->pts; - vkvg_move_to(ctx, p[0],p[1]); - for (int i = 1; i < path->npts-2; i += 3) { - p = &path->pts[i*2]; - vkvg_curve_to(ctx, p[0],p[1], p[2],p[3], p[4],p[5]); - } - if (path->closed) - vkvg_close_path(ctx); - } - - if (shape->fill.type == NSVG_PAINT_COLOR) - svg_set_color(ctx, shape->fill.color, o); - else if (shape->fill.type == NSVG_PAINT_LINEAR_GRADIENT){ - NSVGgradient* g = shape->fill.gradient; - svg_set_color(ctx, g->stops[0].color, o); - } - - if (shape->fill.type != NSVG_PAINT_NONE){ - if (shape->stroke.type == NSVG_PAINT_NONE){ - vkvg_fill(ctx); - continue; - } - vkvg_fill_preserve (ctx); - } - - if (shape->stroke.type == NSVG_PAINT_COLOR) - svg_set_color(ctx, shape->stroke.color, o); - else if (shape->stroke.type == NSVG_PAINT_LINEAR_GRADIENT){ - NSVGgradient* g = shape->stroke.gradient; - svg_set_color(ctx, g->stops[0].color, o); - } - - vkvg_stroke(ctx); - } - - nsvgDelete(svg); - - - vkvg_destroy(ctx); -} -void test_1 () { - const char* text = "This is a petit test {}"; - - VkvgContext ctx = vkvg_create (surf); - - vkvg_set_source_rgba(ctx,0,0,0,1.0); - vkvg_paint (ctx); - vkvg_set_source_rgba(ctx,1,1,1,1.0); - - vkvg_select_font_face(ctx, "mono"); - vkvg_set_font_size(ctx, 12); - - vkvg_font_extents_t f = {}; - vkvg_font_extents(ctx, &f); - - vkvg_text_extents_t t = {}; - vkvg_text_extents(ctx, text, &t); - - vkvg_move_to(ctx,100,100); - vkvg_show_text(ctx, text); - - vkvg_move_to(ctx,100,100.5 - f.ascent); - vkvg_line_to(ctx,100+t.width,100.5 - f.ascent); - - vkvg_move_to(ctx,100,100.5 - f.descent); - vkvg_line_to(ctx,100+t.width,100.5 - f.descent); - - vkvg_stroke(ctx); - - vkvg_flush(ctx); - vkvg_destroy (ctx); -} -void test_painting () { - VkvgSurface surf2 = vkvg_surface_create (device,400,400);; - VkvgContext ctx = vkvg_create (surf2); - - vkvg_set_source_rgba(ctx,1.0,0.,0.,1.0); - vkvg_paint (ctx); - - vkvg_destroy (ctx); - ctx = vkvg_create (surf); - - vkvg_set_source_rgba(ctx,0.1,0.1,0.3,1.0); - vkvg_paint (ctx); - - //vkvg_set_source_surface(ctx,surf2,0,0); - - //VkvgPattern pat = vkvg_get_source (ctx); - VkvgPattern pat = vkvg_pattern_create_for_surface(surf2); - vkvg_pattern_set_extend (pat,VKVG_EXTEND_REFLECT); - vkvg_set_source(ctx,pat); - //vkvg_paint (ctx); - //vkvg_set_source_rgba(ctx,0,1,0,1.0); - vkvg_rectangle(ctx,100,100,200,200); - vkvg_fill(ctx); - - vkvg_destroy (ctx); - vkvg_surface_destroy (surf2); - vkvg_pattern_destroy (pat); -} - -void simple_paint () { - VkvgContext ctx = vkvg_create(surf); - vkvg_set_source_rgba(ctx,1,0,0,1); - vkvg_paint(ctx); - vkvg_destroy(ctx); -} -void random_rectangles () { - vkvg_surface_clear(surf); - struct timeval currentTime; - gettimeofday(¤tTime, NULL); - - srand((unsigned) currentTime.tv_usec); - const float w = 1024.f; - - VkvgContext ctx = vkvg_create(surf); - vkvg_set_line_width(ctx,1); - for (int i=0; i<5000; i++) { - randomize_color(ctx); - float x = trunc( (0.5*(float)w*rand())/RAND_MAX ); - float y = trunc( (0.5*(float)w*rand())/RAND_MAX ); - float z = trunc( (0.5*(float)w*rand())/RAND_MAX ) + 1; - float v = trunc( (0.5*(float)w*rand())/RAND_MAX ) + 1; - - vkvg_rectangle(ctx, x+1, y+1, z, v); - vkvg_fill_preserve(ctx); - randomize_color(ctx); - vkvg_stroke(ctx); - } - vkvg_destroy(ctx); -} - -void simple_rectangle_fill () { - vkvg_surface_clear(surf); - VkvgContext ctx = vkvg_create(surf); - vkvg_set_line_width(ctx,10); - vkvg_set_source_rgba(ctx,0,0,1,0.5); - vkvg_rectangle(ctx,100,100,200,200); - vkvg_fill(ctx); - vkvg_rectangle(ctx,200,200,200,200); - vkvg_set_source_rgba(ctx,1,0,0,0.5); - vkvg_fill(ctx); - vkvg_destroy(ctx); -} -void simple_rectangle_stroke () { - VkvgContext ctx = vkvg_create(surf); - vkvg_clear(ctx); - vkvg_set_line_width(ctx,100.f); - vkvg_arc (ctx, 300, 300, 200, 0, M_PI*2.0); - vkvg_set_source_rgba(ctx,0,0,1,1); - vkvg_fill_preserve(ctx); - vkvg_set_source_rgba(ctx,1,0,1,1); - vkvg_stroke(ctx); - vkvg_destroy(ctx); -} -void lines_stroke () { - VkvgContext ctx = vkvg_create(surf); - vkvg_set_source_rgba(ctx,1,1,1,1); - vkvg_paint(ctx); - vkvg_set_source_rgba(ctx,0,0,0,0.9f); - vkvg_set_line_width(ctx,10.f); - vkvg_move_to(ctx,50,50); - vkvg_line_to(ctx,300,250); - vkvg_stroke(ctx); - vkvg_destroy(ctx); -} int main(int argc, char *argv[]) { - //dumpLayerExts(); - uint width=1024, height=768; - - vk_engine_t* e = vkengine_create (VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU, VK_PRESENT_MODE_MAILBOX_KHR, width, height); - VkhPresenter r = e->renderer; - vkengine_set_key_callback (e, key_callback); - vkengine_set_mouse_but_callback(e, mouse_button_callback); - vkengine_set_cursor_pos_callback(e, mouse_move_callback); - vkengine_set_scroll_callback(e, scroll_callback); - - bool deferredResolve = false; - - device = vkvg_device_create_multisample(vkh_app_get_inst(e->app), r->dev->phy, r->dev->dev, r->qFam, 0, VK_SAMPLE_COUNT_4_BIT, deferredResolve); - surf = vkvg_surface_create(device, width, height); - - //test_grad_transforms(); - //test_colinear(); - //simple_rectangle_stroke(); - - vkh_presenter_build_blit_cmd (r, vkvg_surface_get_vk_image(surf), width, height); - - struct timeval before , after; - double frameTime = 0, frameTimeAccum = 0, frameCount = 0; - - while (!vkengine_should_close (e)) { - glfwPollEvents(); - - gettimeofday(&before , NULL); - - //test_svg(); - cairo_tests(); - //random_rectangles(); - //simple_rectangle_stroke(); - //test_1(); - //vkvg_surface_clear(surf); - //simple_paint(); - - //simple_rectangle_fill(); - //test_img_surface(); - //multi_test1(); - //test_painting(); - //vkvg_surface_clear(surf); - //lines_stroke(); - if (deferredResolve) - vkvg_multisample_surface_resolve(surf); - if (!vkh_presenter_draw (r)) - vkh_presenter_build_blit_cmd (r, vkvg_surface_get_vk_image(surf), width, height); - - gettimeofday(&after , NULL); - - frameTimeAccum += time_diff(before , after); - frameCount++; - } - - frameTime = frameTimeAccum / frameCount; - printf ("frame (µs): %.0lf\nfps: %lf\n", frameTime, floor(1000000 / frameTime)); - - vkDeviceWaitIdle(e->dev->dev); - - vkvg_surface_destroy (surf); - vkvg_device_destroy (device); - - vkengine_destroy (e); + perform_test (cairo_tests, 1024, 768); return 0; } diff --git a/tests/text.c b/tests/text.c new file mode 100644 index 0000000..aad4afa --- /dev/null +++ b/tests/text.c @@ -0,0 +1,96 @@ +#include "test.h" + +void test(){ + VkvgContext ctx = vkvg_create(surf); + + vkvg_set_source_rgba(ctx,0.9,0.9,0.9,1); + vkvg_paint(ctx); + + int size = 19; + int penY = 50; + int penX = 10; + + /*vkvg_rectangle(ctx,30,0,100,400); + vkvg_clip(ctx);*/ + + //vkvg_select_font_face(ctx, "/usr/local/share/fonts/DroidSansMono.ttf"); + //vkvg_select_font_face(ctx, "/usr/share/fonts/truetype/unifont/unifont.ttf"); + + vkvg_set_font_size(ctx,12); + vkvg_select_font_face(ctx, "droid"); + vkvg_font_extents_t fe; + vkvg_font_extents (ctx,&fe); + vkvg_move_to(ctx, penX,penY); + vkvg_set_source_rgba(ctx,0.1,0.1,0.1,1); + vkvg_text_extents_t te; + vkvg_text_extents(ctx,"abcdefghijk",&te); + vkvg_show_text (ctx,"abcdefghijk"); + penX+= te.x_advance; + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"*abcdefghijk2"); + penY+=2*size; + + vkvg_select_font_face(ctx, "times"); + vkvg_set_source_rgba(ctx,0.1,0.1,0.2,1); + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"abcdefghijklmnopqrstuvwxyz"); + penY+=size; + + vkvg_select_font_face(ctx, "droid"); + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"lmnopqrstuvwxyz123456789"); + penY+=size; + + vkvg_select_font_face(ctx, "times:bold"); + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"abcdefghijklmnopqrstuvwxyz"); + penY+=size; + + vkvg_select_font_face(ctx, "droid"); + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"ABCDEFGHIJKLMNOPQRSTUVWXYZ"); + penY+=size; + + vkvg_select_font_face(ctx, "arial:italic"); + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"abcdefghijklmnopqrstuvwxyz"); + penY+=size; + + vkvg_select_font_face(ctx, "arial"); + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"ABCDEFGHIJKLMNOPQRSTUVWXYZ"); + penY+=size; + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"this is a test"); + penY+=size; + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"this is another test to see if label is working"); + penY+=size; + + vkvg_select_font_face(ctx, "mono"); + vkvg_move_to(ctx, penX,penY); + vkvg_show_text (ctx,"ABCDEFGHIJKLMNOPQRSTUVWXYZ"); + penY+=size; + + vkvg_move_to(ctx, 80,400); + vkvg_show_text (ctx,"Ленивый рыжий кот"); + + /*vkvg_move_to(ctx, 150,250); + vkvg_show_text (ctx,"test string é€"); + vkvg_move_to(ctx, 150,300); + vkvg_show_text (ctx,"كسول الزنجبيل القط"); + vkvg_move_to(ctx, 150,350); + vkvg_show_text (ctx,"懶惰的姜貓");*/ + + //vkvg_show_text (ctx,"ABCDABCD"); + //vkvg_show_text (ctx,"j"); + + vkvg_destroy(ctx); +} + +int main(int argc, char *argv[]) { + + perform_test (test, 1024, 768); + + return 0; +} diff --git a/tests/vkengine.c b/tests/vkengine.c deleted file mode 100644 index 6d0f0ef..0000000 --- a/tests/vkengine.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (c) 2018 Jean-Philippe Bruyère - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of - * this software and associated documentation files (the "Software"), to deal in - * the Software without restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the - * Software, and to permit persons to whom the Software is furnished to do so, subject - * to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "vkh.h" -#include "vkengine.h" -#include "vkh_app.h" -#include "vkh_phyinfo.h" -#include "vkh_presenter.h" -#include "vkh_image.h" -#include "vkh_device.h" - -bool vkeCheckPhyPropBlitSource (VkEngine e) { - VkFormatProperties formatProps; - vkGetPhysicalDeviceFormatProperties(e->dev->phy, e->renderer->format, &formatProps); - -#if VKVG_TILING_OPTIMAL - assert((formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT) && "Format cannot be used as transfer source"); -#else - assert((formatProps.linearTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT) && "Format cannot be used as transfer source"); -#endif -} - -VkSampleCountFlagBits getMaxUsableSampleCount(VkSampleCountFlags counts) -{ - if (counts & VK_SAMPLE_COUNT_64_BIT) { return VK_SAMPLE_COUNT_64_BIT; } - if (counts & VK_SAMPLE_COUNT_32_BIT) { return VK_SAMPLE_COUNT_32_BIT; } - if (counts & VK_SAMPLE_COUNT_16_BIT) { return VK_SAMPLE_COUNT_16_BIT; } - if (counts & VK_SAMPLE_COUNT_8_BIT) { return VK_SAMPLE_COUNT_8_BIT; } - if (counts & VK_SAMPLE_COUNT_4_BIT) { return VK_SAMPLE_COUNT_4_BIT; } - if (counts & VK_SAMPLE_COUNT_2_BIT) { return VK_SAMPLE_COUNT_2_BIT; } - return VK_SAMPLE_COUNT_1_BIT; -} - -void vkengine_dump_Infos (VkEngine e){ - printf("max samples = %d\n", getMaxUsableSampleCount(e->gpu_props.limits.framebufferColorSampleCounts)); - printf("max tex2d size = %d\n", e->gpu_props.limits.maxImageDimension2D); - printf("max tex array layers = %d\n", e->gpu_props.limits.maxImageArrayLayers); - printf("max mem alloc count = %d\n", e->gpu_props.limits.maxMemoryAllocationCount); - - for (int i = 0; i < e->memory_properties.memoryHeapCount; i++) { - printf("Mem Heap %d\n", i); - printf("\tflags= %d\n", e->memory_properties.memoryHeaps[i].flags); - printf("\tsize = %d Mo\n", e->memory_properties.memoryHeaps[i].size/ (1024*1024)); - } - for (int i = 0; i < e->memory_properties.memoryTypeCount; i++) { - printf("Mem type %d\n", i); - printf("\theap %d: ", e->memory_properties.memoryTypes[i].heapIndex); - if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) - printf("VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT|"); - if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) - printf("VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT|"); - if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) - printf("VK_MEMORY_PROPERTY_HOST_COHERENT_BIT|"); - if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) - printf("VK_MEMORY_PROPERTY_HOST_CACHED_BIT|"); - if (e->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT) - printf("VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT|"); - printf("\n"); - } -} -vk_engine_t* vkengine_create (VkPhysicalDeviceType preferedGPU, VkPresentModeKHR presentMode, uint32_t width, uint32_t height) { - vk_engine_t* e = (vk_engine_t*)calloc(1,sizeof(vk_engine_t)); - - glfwInit(); - assert (glfwVulkanSupported()==GLFW_TRUE); - - uint32_t enabledExtsCount = 0, phyCount = 0; - const char ** enabledExts = glfwGetRequiredInstanceExtensions (&enabledExtsCount); - - e->app = vkh_app_create("vkvgTest", enabledExtsCount, enabledExts); - - glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); - glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); - glfwWindowHint(GLFW_FLOATING, GLFW_FALSE); - glfwWindowHint(GLFW_DECORATED, GLFW_TRUE); - - e->window = glfwCreateWindow ((int)width, (int)height, "Window Title", NULL, NULL); - - VkSurfaceKHR surf; - VkResult res = glfwCreateWindowSurface(e->app->inst, e->window, NULL, &surf); - - VkhPhyInfo* phys = vkh_app_get_phyinfos (e->app, &phyCount, surf); - - VkhPhyInfo pi = NULL; - for (int i=0; iproperties.deviceType == preferedGPU) - break; - } - - e->memory_properties = pi->memProps; - e->gpu_props = pi->properties; - - uint32_t qCount = 0; - VkDeviceQueueCreateInfo pQueueInfos[3]; - float queue_priorities[] = {0.0}; - - VkDeviceQueueCreateInfo qiG = { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, - .queueCount = 1, - .queueFamilyIndex = pi->gQueue, - .pQueuePriorities = queue_priorities }; - VkDeviceQueueCreateInfo qiC = { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, - .queueCount = 1, - .queueFamilyIndex = pi->cQueue, - .pQueuePriorities = queue_priorities }; - VkDeviceQueueCreateInfo qiT = { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, - .queueCount = 1, - .queueFamilyIndex = pi->tQueue, - .pQueuePriorities = queue_priorities }; - - if (pi->gQueue == pi->cQueue){ - if(pi->gQueue == pi->tQueue){ - qCount=1; - pQueueInfos[0] = qiG; - }else{ - qCount=2; - pQueueInfos[0] = qiG; - pQueueInfos[1] = qiT; - } - }else{ - if((pi->gQueue == pi->tQueue) || (pi->cQueue==pi->tQueue)){ - qCount=2; - pQueueInfos[0] = qiG; - pQueueInfos[1] = qiC; - }else{ - qCount=3; - pQueueInfos[0] = qiG; - pQueueInfos[1] = qiC; - pQueueInfos[2] = qiT; - } - } - - char const * dex [] = {"VK_KHR_swapchain"}; - - VkPhysicalDeviceFeatures enabledFeatures = { - .fillModeNonSolid = true, - //.sampleRateShading = true - }; - - VkDeviceCreateInfo device_info = { .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, - .queueCreateInfoCount = qCount, - .pQueueCreateInfos = (VkDeviceQueueCreateInfo*)&pQueueInfos, - .enabledExtensionCount = 1, - .ppEnabledExtensionNames = dex, - .pEnabledFeatures = &enabledFeatures - }; - - VkDevice dev; - VK_CHECK_RESULT(vkCreateDevice (pi->phy, &device_info, NULL, &dev)); - e->dev = vkh_device_create(pi->phy, dev); - e->dev->instance = vkh_app_get_inst (e->app); - - e->renderer = vkh_presenter_create - (e->dev, (uint32_t) pi->pQueue, surf, width, height, VK_FORMAT_B8G8R8A8_UNORM, presentMode); - - vkh_app_free_phyinfos (phyCount, phys); - - vkeCheckPhyPropBlitSource (e); - - return e; -} - -void vkengine_destroy (VkEngine e) { - vkDeviceWaitIdle(e->dev->dev); - - VkSurfaceKHR surf = e->renderer->surface; - - vkh_presenter_destroy (e->renderer); - vkDestroySurfaceKHR (e->app->inst, surf, NULL); - - vkh_device_destroy (e->dev); - - glfwDestroyWindow (e->window); - glfwTerminate (); - - vkh_app_destroy (e->app); - - free(e); -} -void vkengine_close (VkEngine e) { - glfwSetWindowShouldClose(e->window, GLFW_TRUE); -} -void vkengine_blitter_run (VkEngine e, VkImage img, uint32_t width, uint32_t height) { - VkhPresenter p = e->renderer; - vkh_presenter_build_blit_cmd (p, img, width, height); - - while (!vkengine_should_close (e)) { - glfwPollEvents(); - if (!vkh_presenter_draw (p)) - vkh_presenter_build_blit_cmd (p, img, width, height); - } -} -inline bool vkengine_should_close (VkEngine e) { - return glfwWindowShouldClose (e->window); -} - -VkDevice vkengine_get_device (VkEngine e){ - return e->dev->dev; -} -VkPhysicalDevice vkengine_get_physical_device (VkEngine e){ - return e->dev->phy; -} -VkQueue vkengine_get_queue (VkEngine e){ - return e->renderer->queue; -} -uint32_t vkengine_get_queue_fam_idx (VkEngine e){ - return e->renderer->qFam; -} - -void vkengine_set_key_callback (VkEngine e, GLFWkeyfun key_callback){ - glfwSetKeyCallback (e->window, key_callback); -} -void vkengine_set_mouse_but_callback (VkEngine e, GLFWmousebuttonfun onMouseBut){ - glfwSetMouseButtonCallback(e->window, onMouseBut); -} -void vkengine_set_cursor_pos_callback (VkEngine e, GLFWcursorposfun onMouseMove){ - glfwSetCursorPosCallback(e->window, onMouseMove); -} -void vkengine_set_scroll_callback (VkEngine e, GLFWscrollfun onScroll){ - glfwSetScrollCallback(e->window, onScroll); -} -void vkengine_set_char_callback (VkEngine e, GLFWcharfun onChar){ - glfwSetCharCallback(e->window, onChar); -} - diff --git a/tests/vkengine.h b/tests/vkengine.h deleted file mode 100644 index b4505f8..0000000 --- a/tests/vkengine.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright (c) 2018 Jean-Philippe Bruyère - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of - * this software and associated documentation files (the "Software"), to deal in - * the Software without restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the - * Software, and to permit persons to whom the Software is furnished to do so, subject - * to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef VKENGINE_H -#define VKENGINE_H - -#include -#include -#include -#include - -#include -#include - -#include "vkh.h" - -/* Number of samples needs to be the same at image creation, */ -/* renderpass creation and pipeline creation. */ -#define FENCE_TIMEOUT 100000000 - -typedef struct _vk_engine_t* VkEngine; - -typedef struct _vk_engine_t { - VkhApp app; - VkPhysicalDeviceMemoryProperties memory_properties; - VkPhysicalDeviceProperties gpu_props; - VkhDevice dev; - GLFWwindow* window; - VkhPresenter renderer; -}vk_engine_t; - -vk_engine_t* vkengine_create (VkPhysicalDeviceType preferedGPU, VkPresentModeKHR presentMode, uint32_t width, uint32_t height); - -void vkengine_destroy (VkEngine e); -bool vkengine_should_close (VkEngine e); -void vkengine_close (VkEngine e); -void vkengine_dump_Infos (VkEngine e); -VkDevice vkengine_get_device (VkEngine e); -VkPhysicalDevice vkengine_get_physical_device(VkEngine e); -VkQueue vkengine_get_queue (VkEngine e); -uint32_t vkengine_get_queue_fam_idx (VkEngine e); - -void vkengine_get_queues_properties (vk_engine_t* e, VkQueueFamilyProperties** qFamProps, uint32_t* count); - -void vkengine_set_key_callback (VkEngine e, GLFWkeyfun key_callback); -void vkengine_set_mouse_but_callback (VkEngine e, GLFWmousebuttonfun onMouseBut); -void vkengine_set_cursor_pos_callback (VkEngine e, GLFWcursorposfun onMouseMove); -void vkengine_set_scroll_callback (VkEngine e, GLFWscrollfun onScroll); -void vkengine_set_char_callback (VkEngine e, GLFWcharfun onChar); -#endif