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--------------------------------------------------------------------------")
MESSAGE(STATUS "Surface tiling\t= VK_IMAGE_TILING_LINEAR.")
ENDIF ()
MESSAGE(STATUS "---------------------------------------------------------------------------\n\n")
+
+++ /dev/null
-/*
- * 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 <string.h>
-#include <stdlib.h>
-#include <math.h>
-
-#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
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+/*
+ * 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 <string.h>
+#include <stdlib.h>
+#include <math.h>
+
+#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
--- /dev/null
+#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);
+
+}
--- /dev/null
+#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> // 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 <sys/time.h>
+#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);
--- /dev/null
+/*
+ * Copyright (c) 2018 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+ *
+ * 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; i<phyCount; i++){
+ pi = phys[i];
+ if (pi->properties.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);
+}
+
--- /dev/null
+/*
+ * Copyright (c) 2018 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+ *
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdbool.h>
+
+#include <GLFW/glfw3.h>
+#include <vulkan/vulkan.h>
+
+#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
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg id="svg2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 900 900" version="1.1">
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+ <g id="g942" fill="#CCC">
+ <path id="path944" d="m293,111s-12-8-13.5-6c0,0,10.5,6.5,13,15,0,0-1.5-9,0.5-9z"/>
+ </g>
+ <g id="g946" fill="#CCC">
+ <path id="path948" d="m301.5,191.5-17.5-12s19,17,19.5,21l-2-9z"/>
+ </g>
+ <g id="g950" stroke="#000">
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+ </g>
+ <g id="g954" stroke="#000">
+ <path id="path956" d="m-39,331s-0.5-3.5-9.5,7"/>
+ </g>
+ <g id="g958" stroke="#000">
+ <path id="path960" d="m-33.5,336s2-6.5-4.5-2"/>
+ </g>
+ <g id="g962" stroke="#000">
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+ </g>
+ </g>
+</svg>
\ No newline at end of file
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
--- /dev/null
+#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;
+}
* 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> // 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 <sys/time.h>
-#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);
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;
}
--- /dev/null
+#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;
+}
+++ /dev/null
-/*
- * Copyright (c) 2018 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
- *
- * 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; i<phyCount; i++){
- pi = phys[i];
- if (pi->properties.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);
-}
-
+++ /dev/null
-/*
- * Copyright (c) 2018 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
- *
- * 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 <stdlib.h>
-#include <stdio.h>
-#include <assert.h>
-#include <stdbool.h>
-
-#include <GLFW/glfw3.h>
-#include <vulkan/vulkan.h>
-
-#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
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