unified samples app in c++, unit testing wip

1 files changed, 161 insertions, 0 deletions

diff --git a/samples/tests/gradient.cpp b/samples/tests/gradient.cpp
new file mode 100644
index 0000000..33c0e6d
--- /dev/null
+++ b/samples/tests/gradient.cpp
@@ -0,0 +1,161 @@
+#include "VkvgTest.hpp"
+
+VkvgPattern create_grad(VkvgContext ctx, float x) {
+    VkvgPattern pat = vkvg_pattern_create_linear(x, 0, 300, 0);
+    vkvg_pattern_add_color_stop(pat, 0, 1, 0, 0, 1);
+    vkvg_pattern_add_color_stop(pat, 0.5f, 0, 1, 0, 1);
+    vkvg_pattern_add_color_stop(pat, 1, 0, 0, 1, 1);
+    return pat;
+}
+
+TEST(gradient_paint) {
+    VkvgContext ctx = vkvg_create(test->surf);
+    vkvg_clear(ctx);
+
+    // vkvg_translate(ctx,100,100);
+    VkvgPattern pat = create_grad(ctx, 0);
+    // vkvg_pattern_set_extend(pat,VKVG_EXTEND_NONE);
+    vkvg_rectangle(ctx, 0, 0, 400, 460);
+    vkvg_set_source(ctx, pat);
+    vkvg_pattern_destroy(pat);
+    vkvg_fill(ctx);
+
+    float x = 100;
+    pat     = create_grad(ctx, x);
+    // vkvg_pattern_set_extend(pat,VKVG_EXTEND_NONE);
+    vkvg_rectangle(ctx, x, 200, 50, 50);
+    vkvg_set_source(ctx, pat);
+    vkvg_pattern_destroy(pat);
+    vkvg_fill(ctx);
+
+    x += 100;
+
+    pat = vkvg_pattern_create_linear(10, 0, 300, 0);
+    vkvg_pattern_add_color_stop(pat, 0, 0, 0, 1, 0);
+    vkvg_pattern_add_color_stop(pat, 1, 1, 0, 0, 1);
+    // vkvg_pattern_set_extend(pat,VKVG_EXTEND_NONE);
+    vkvg_rectangle(ctx, 10, 10, 300, 50);
+    vkvg_set_source(ctx, pat);
+    vkvg_pattern_destroy(pat);
+    vkvg_fill(ctx);
+
+    x += 200;
+
+    pat = create_grad(ctx, x);
+    // vkvg_pattern_set_extend(pat,VKVG_EXTEND_NONE);
+    vkvg_rectangle(ctx, x, 200, 50, 50);
+    vkvg_set_source(ctx, pat);
+    vkvg_pattern_destroy(pat);
+    vkvg_fill(ctx);
+
+    x += 100;
+
+    pat = create_grad(ctx, x);
+    // vkvg_pattern_set_extend(pat,VKVG_EXTEND_NONE);
+    vkvg_rectangle(ctx, x, 200, 50, 50);
+    vkvg_set_source(ctx, pat);
+    vkvg_pattern_destroy(pat);
+    vkvg_fill(ctx);
+
+    /*vkvg_set_source_rgb(ctx, 0,1,0);
+    vkvg_rectangle(ctx, 100,100,200,160);
+    vkvg_fill_preserve(ctx);
+    vkvg_set_source_rgb(ctx, 0,0,0);
+    vkvg_set_line_width(ctx,1.0f);
+    vkvg_stroke(ctx);*/
+
+    vkvg_destroy(ctx);
+}
+
+TEST(gradient_paint_repeat) {
+    VkvgContext ctx = vkvg_create(test->surf);
+    vkvg_clear(ctx);
+
+    VkvgPattern pat = create_grad(ctx, 0);
+    vkvg_pattern_set_extend(pat, VKVG_EXTEND_REPEAT);
+    vkvg_set_source(ctx, pat);
+    vkvg_pattern_destroy(pat);
+    vkvg_paint(ctx);
+
+    vkvg_destroy(ctx);
+}
+
+TEST(gradient_test0) {
+    VkvgContext ctx = vkvg_create(test->surf);
+    vkvg_clear(ctx);
+    VkvgPattern pat = create_grad(ctx, 0);
+    vkvg_set_source(ctx, pat);
+    vkvg_rectangle(ctx, 100, 100, 200, 200);
+    vkvg_set_line_width(ctx, 20);
+    // vkvg_fill (ctx);
+    // vkvg_paint(ctx);
+    vkvg_stroke(ctx);
+    vkvg_pattern_destroy(pat);
+
+    vkvg_destroy(ctx);
+}
+TEST(gradient_test1) {
+    VkvgContext ctx = vkvg_create(test->surf);
+    vkvg_clear(ctx);
+
+    vkvg_set_source_rgb(ctx, 1, 0, 0);
+    vkvg_paint(ctx);
+
+    VkvgPattern pat = vkvg_pattern_create_linear(100, 0, 300, 0);
+    vkvg_set_line_width(ctx, 20);
+    vkvg_pattern_add_color_stop(pat, 0, 1, 1, 1, 1);
+    vkvg_pattern_add_color_stop(pat, 1, 1, 1, 0, 0);
+    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);
+}
+
+TEST(gradient_transform) {
+    VkvgContext ctx = vkvg_create(test->surf);
+    vkvg_clear(ctx);
+
+    // vkvg_translate(ctx,-100,-100);
+
+    vkvg_translate(ctx, 200, 100);
+    vkvg_rotate(ctx, 0.5f);
+
+    // vkvg_scale(ctx,2,2);
+    VkvgPattern pat = vkvg_pattern_create_linear(0, 0, 400, 0);
+    vkvg_pattern_set_extend(pat, VKVG_EXTEND_NONE);
+    vkvg_set_line_width(ctx, 20);
+    vkvg_pattern_add_color_stop(pat, 0, 1, 0, 0, 1);
+    vkvg_pattern_add_color_stop(pat, 0.5f, 0, 1, 0, 1);
+    vkvg_pattern_add_color_stop(pat, 1, 0, 0, 1, 1);
+    vkvg_set_source(ctx, pat);
+    vkvg_rectangle(ctx, 0, 0, 400, 200);
+    // vkvg_fill (ctx);
+    vkvg_stroke(ctx);
+    // vkvg_paint(ctx);
+    vkvg_pattern_destroy(pat);
+
+    vkvg_destroy(ctx);
+}
+
+TEST(gradient_alpha) {
+    VkvgContext ctx = vkvg_create(test->surf);
+    vkvg_clear(ctx);
+
+    vkvg_set_source_rgb(ctx, 0, 1, 0);
+    vkvg_paint(ctx);
+
+    VkvgPattern pat = vkvg_pattern_create_linear(10, 0, 300, 0);
+    vkvg_pattern_add_color_stop(pat, 1, 1, 0, 0, 0.5);
+    vkvg_pattern_add_color_stop(pat, 1, 1, 0, 0, 0.5);
+
+    vkvg_set_source(ctx, pat);
+    vkvg_pattern_destroy(pat);
+    vkvg_rectangle(ctx, 10, 10, 300, 200);
+    vkvg_fill(ctx);
+
+    vkvg_destroy(ctx);
+}
+