gunit test, cubics and circles

2 files changed, 295 insertions, 0 deletions

diff --git a/gunit_tests/CMakeLists.txt b/gunit_tests/CMakeLists.txt
index 234c0ee..bc95fb4 100644
--- a/gunit_tests/CMakeLists.txt
+++ b/gunit_tests/CMakeLists.txt
@@ -26,6 +26,7 @@ add_executable("${PROJECT_NAME}"
   surface.cpp
   context.cpp
   basicDraw.cpp
+  pathDraw.cpp
   drawTestBase.cpp
   drawTestBase.h
   imageDraw.cpp
diff --git a/gunit_tests/pathDraw.cpp b/gunit_tests/pathDraw.cpp
new file mode 100644
index 0000000..8399ddf
--- /dev/null
+++ b/gunit_tests/pathDraw.cpp
@@ -0,0 +1,294 @@
+#include "drawTestBase.h"
+#define _USE_MATH_DEFINES
+#include <math.h>
+
+class PathDrawTest : public DrawTestBase {
+
+  protected:
+    void SetUp() override { surf = vkvg_surface_create(dev, 256, 256); }
+};
+
+TEST_F(PathDrawTest, CircleFill) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+
+    vkvg_set_source_rgb(ctx, 0.1, 0.2, 1);
+    vkvg_arc(ctx, 128, 128, 100, 0, M_PI * 2);
+    vkvg_fill(ctx);
+
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, CircleFillStroke) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_arc(ctx, 128, 128, 100, 0, M_PI * 2);
+    vkvg_fill_preserve(ctx);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_set_line_width(ctx, 10);
+    vkvg_stroke(ctx);
+
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, CircleFillStrokeLarge) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_arc(ctx, 256, 256, 220, 0, M_PI * 2);
+    vkvg_fill_preserve(ctx);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_set_line_width(ctx, 20);
+    vkvg_stroke(ctx);
+
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, CircleFillStrokeVeryLarge) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_arc(ctx, 512, 512, 500, 0, M_PI * 2);
+    vkvg_fill_preserve(ctx);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_set_line_width(ctx, 20);
+    vkvg_stroke(ctx);
+
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, CircleFillStrokeScaleUp10) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+    vkvg_scale(ctx,10,10);
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_arc(ctx, 12.8, 12.8, 10, 0, M_PI * 2);
+    vkvg_fill_preserve(ctx);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_set_line_width(ctx, 1);
+    vkvg_stroke(ctx);
+
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, CircleFillStrokeScaleUp100) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+    vkvg_scale(ctx,100,100);
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_arc(ctx, 1.28f, 1.28f, 1, 0, M_PI * 2);
+    vkvg_fill_preserve(ctx);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_set_line_width(ctx, 0.1f);
+    vkvg_stroke(ctx);
+
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, CircleFillStrokeScaleDown10) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+    vkvg_scale(ctx,0.1f,0.1f);
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_arc(ctx, 1280, 1280, 1000, 0, M_PI * 2);
+    vkvg_fill_preserve(ctx);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_set_line_width(ctx, 100);
+    vkvg_stroke(ctx);
+
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, curved_rect) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+
+    vkvg_destroy(ctx);
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, CircleCurve) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+    vkvg_scale(ctx,0.1,0.1);
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_arc(ctx, 1280, 1280, 1000, 0, M_PI * 2);
+    vkvg_fill_preserve(ctx);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_set_line_width(ctx, 100);
+    vkvg_stroke(ctx);
+
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+void emitCubic(VkvgContext ctx, const float x1, const float y1, const float cpx1, const float cpy1, const float cpx2, const float cpy2, const float x2, const float y2) {
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+
+    vkvg_move_to(ctx,x1,y1);
+    vkvg_curve_to(ctx, cpx1, cpy1, cpx2 ,cpy2, x2 ,y2);
+    vkvg_set_line_width(ctx,10);
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_stroke(ctx);
+    vkvg_set_line_width(ctx,1);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_move_to(ctx,x1,y1);
+    vkvg_line_to(ctx,cpx1,cpy1);
+    vkvg_move_to(ctx,x2,y2);
+    vkvg_line_to(ctx,cpx2,cpy2);
+    vkvg_stroke(ctx);
+    vkvg_arc(ctx, x1, y1, 5, 0, M_PI * 2);
+    vkvg_arc(ctx, x2, y2, 5, 0, M_PI * 2);
+    vkvg_fill(ctx);
+    vkvg_set_source_rgb(ctx, 1, 0.2, 0.2);
+    vkvg_arc(ctx, cpx1, cpy1, 5, 0, M_PI * 2);
+    vkvg_arc(ctx, cpx2, cpy2, 5, 0, M_PI * 2);
+    vkvg_fill(ctx);
+}
+void emitCubicScaled(VkvgContext ctx, const float x1, const float y1, const float cpx1, const float cpy1, const float cpx2, const float cpy2, const float x2, const float y2, const float scale) {
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+
+    vkvg_scale(ctx,scale,scale);
+
+    vkvg_move_to(ctx,x1,y1);
+    vkvg_curve_to(ctx, cpx1, cpy1, cpx2 ,cpy2, x2 ,y2);
+    vkvg_set_line_width(ctx,10.f/scale);
+    vkvg_set_source_rgb(ctx, 0.5, 0.5, 1);
+    vkvg_stroke(ctx);
+    vkvg_set_line_width(ctx,1.f/scale);
+    vkvg_set_source_rgb(ctx, 0, 0, 0);
+    vkvg_move_to(ctx,x1,y1);
+    vkvg_line_to(ctx,cpx1,cpy1);
+    vkvg_move_to(ctx,x2,y2);
+    vkvg_line_to(ctx,cpx2,cpy2);
+    vkvg_stroke(ctx);
+    vkvg_arc(ctx, x1, y1, 5.f/scale, 0, M_PI * 2);
+    vkvg_arc(ctx, x2, y2, 5.f/scale, 0, M_PI * 2);
+    vkvg_fill(ctx);
+    vkvg_set_source_rgb(ctx, 1, 0.2, 0.2);
+    vkvg_arc(ctx, cpx1, cpy1, 5.f/scale, 0, M_PI * 2);
+    vkvg_arc(ctx, cpx2, cpy2, 5.f/scale, 0, M_PI * 2);
+    vkvg_fill(ctx);
+}
+
+TEST_F(PathDrawTest, cubic1) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubic(ctx,20,236,20,30,30,20,236,20);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic2) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubic(ctx,128,220, 30, 128, 128 ,20, 236 ,128);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic3) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubic(ctx,128,236, 236 ,30, 30, 236, 236 ,128);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic4) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubic(ctx,140, 200,20, 240, 240,20, 200 ,140);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic1ScaleUp10) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubicScaled(ctx,2,23.6,2,3,3,2,23.6,2, 10);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic2ScaleUp10) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubicScaled(ctx,12.8,22, 3, 12.8, 12.8 ,2, 23.6 ,12.8, 10);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic3ScaleUp10) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubicScaled(ctx,12.8,23.6, 23.6 ,3, 3, 23.6, 23.6 ,12.8, 10);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic4ScaleUp10) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubicScaled(ctx,14, 20,2, 24, 24,2, 20 ,14, 10);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic1ScaleUp100) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubicScaled(ctx,0.2f,2.36f,0.2f,0.3f,0.3f,0.2f,2.36f, 0.2f, 100);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic2ScaleUp100) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubicScaled(ctx,1.28f,2.2f, 0.3f, 1.28f, 1.28f ,0.2f, 2.36f ,1.28f, 100);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic3ScaleUp100) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubicScaled(ctx,1.28f,2.36f, 2.36f ,0.3f, 0.3f, 2.36f, 2.36f ,1.28f, 100);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, cubic4ScaleUp100) {
+    VkvgContext ctx = vkvg_create(surf);
+    emitCubicScaled(ctx,1.4f, 2,0.2f, 2.4f, 2.4f,0.2f, 2 ,1.4f, 100);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, curve2) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}
+TEST_F(PathDrawTest, curve3) {
+    VkvgContext ctx = vkvg_create(surf);
+    vkvg_set_source_rgb(ctx, 0.8,0.8,0.8);
+    vkvg_paint(ctx);
+    vkvg_destroy(ctx);
+
+    compareWithRefImage();
+}