unified samples app in c++, unit testing wip

1 files changed, 96 insertions, 0 deletions

diff --git a/samples/tests/dashes.cpp b/samples/tests/dashes.cpp
new file mode 100644
index 0000000..a642a10
--- /dev/null
+++ b/samples/tests/dashes.cpp
@@ -0,0 +1,96 @@
+#include "VkvgTest.hpp"
+
+static float dash_offset = 0;
+
+TEST(dashes0) {
+    dash_offset += 0.2f;
+
+    VkvgContext ctx = vkvg_create(test->surf);
+    vkvg_clear(ctx);
+    vkvg_set_source_rgb(ctx, 1, 1, 1);
+    vkvg_paint(ctx);
+    // const float dashes[] = {160.0f, 80};
+    // float dashes[] = {7.0f, 3};
+    float dashes[] = {100, 20, 20, 20};
+    vkvg_set_line_cap(ctx, VKVG_LINE_CAP_ROUND);
+    vkvg_set_line_join(ctx, VKVG_LINE_JOIN_ROUND);
+    vkvg_set_dash(ctx, dashes, 4, dash_offset);
+    vkvg_set_line_width(ctx, 4);
+    vkvg_set_source_rgb(ctx, 0, 0, 1);
+
+    vkvg_move_to(ctx, 50, 50);
+    vkvg_rel_line_to(ctx, 500, 0);
+    vkvg_rel_line_to(ctx, 0, 200);
+    vkvg_rel_line_to(ctx, 200, 0);
+    vkvg_rel_line_to(ctx, 0, 500);
+    vkvg_rel_line_to(ctx, -700, 0);
+    vkvg_close_path(ctx);
+    vkvg_stroke(ctx);
+
+    dashes[0] = 0;
+    dashes[1] = 20;
+    vkvg_set_dash(ctx, dashes, 2, dash_offset);
+
+    vkvg_set_source_rgb(ctx, 0, 1, 0);
+
+    vkvg_move_to(ctx, 100, 100);
+    vkvg_rel_line_to(ctx, 400, 0);
+    vkvg_rel_line_to(ctx, 0, 200);
+    vkvg_rel_line_to(ctx, 200, 0);
+    vkvg_rel_line_to(ctx, 0, 400);
+    vkvg_rel_line_to(ctx, -600, 0);
+    vkvg_close_path(ctx);
+    vkvg_stroke(ctx);
+
+    dashes[0] = 80;
+    dashes[1] = 20;
+
+    vkvg_set_line_width(ctx, 10);
+    vkvg_set_source_rgb(ctx, 1, 0, 0);
+
+    vkvg_set_dash(ctx, dashes, 2, dash_offset);
+
+    vkvg_rectangle(ctx, 200, 300, 200, 200);
+    /*vkvg_move_to(ctx, 200,300);
+    vkvg_rel_line_to(ctx,200,0);*/
+    vkvg_stroke(ctx);
+
+    vkvg_destroy(ctx);
+}
+
+TEST(dashes_long_curve) {
+    float w = (float)test->app->width;
+    float h = (float)test->app->height;
+
+    VkvgContext ctx = vkvg_create(test->surf);
+
+    randomize_color(ctx);
+
+    float x1 = w * rand() / RAND_MAX;
+    float y1 = h * rand() / RAND_MAX;
+    vkvg_move_to(ctx, x1, y1);
+
+    for (uint32_t i = 0; i < test->app->testSize; i++)
+        test->draw_random_curve(ctx);
+
+    vkvg_stroke(ctx);
+    vkvg_destroy(ctx);
+}
+TEST(dashes_long_path) {
+    float w = (float)test->app->width;
+    float h = (float)test->app->height;
+
+    VkvgContext ctx = vkvg_create(test->surf);
+
+    randomize_color(ctx);
+    float x1 = w * rndf();
+    float y1 = h * rndf();
+    vkvg_move_to(ctx, x1, y1);
+    for (uint32_t i = 0; i < test->app->testSize; i++) {
+        x1 = w * rndf();
+        y1 = h * rndf();
+        vkvg_line_to(ctx, x1, y1);
+    }
+    vkvg_stroke(ctx);
+    vkvg_destroy(ctx);
+}