copy tests from masternewvx-post-transform

1 files changed, 64 insertions, 0 deletions

diff --git a/tests/circles.c b/tests/circles.c
new file mode 100644
index 0000000..906652f
--- /dev/null
+++ b/tests/circles.c
@@ -0,0 +1,64 @@
+#include "test.h"
+
+void draw_growing_circles (VkvgContext ctx, float y, int count) {
+	float x = 2;
+	for (int i=1; i<count; i++) {
+		x += 0.5f*i;
+		vkvg_arc(ctx, x + 2, y, 0.5f * i, 0, M_PIF*2.f);
+		x += 0.5f*i + 5;
+	}
+}
+
+void scaled_up() {
+	VkvgContext ctx = vkvg_create(surf);
+
+	vkvg_set_source_rgb   (ctx, 1,1,1);
+	vkvg_paint(ctx);
+	vkvg_set_source_rgb   (ctx, 0,0,0);
+
+	vkvg_scale(ctx,100,100);
+	vkvg_arc(ctx, 2, 2, 0.5f, 0, M_PIF*2);
+	vkvg_stroke(ctx);
+
+	vkvg_destroy(ctx);
+}
+void fill_and_stroke () {
+	vkvg_surface_clear(surf);
+	VkvgContext ctx = vkvg_create(surf);
+	vkvg_set_source_rgba   (ctx, 0,0.1f,0.8f, 0.5f);
+	vkvg_set_line_width(ctx,10);
+
+	vkvg_arc(ctx, 300, 300, 150.f, 0, M_PIF*2);
+	vkvg_fill_preserve(ctx);
+	vkvg_stroke(ctx);
+
+	vkvg_destroy(ctx);
+}
+void sizes() {
+	VkvgContext ctx = vkvg_create(surf);
+
+	vkvg_set_source_rgb   (ctx, 1,1,1);
+	vkvg_paint(ctx);
+	vkvg_set_source_rgb   (ctx, 0,0,0);
+
+	draw_growing_circles (ctx, 100, 40);
+	vkvg_fill (ctx);
+
+	draw_growing_circles (ctx, 200, 40);
+	vkvg_stroke(ctx);
+
+	vkvg_set_source_rgba  (ctx, 0,0,1,0.4F);
+	draw_growing_circles (ctx, 300, 40);
+	vkvg_fill_preserve (ctx);
+	vkvg_set_line_width(ctx,5);
+	vkvg_stroke(ctx);
+
+	vkvg_destroy(ctx);
+}
+
+int main(int argc, char *argv[]) {
+	PERFORM_TEST (fill_and_stroke, argc, argv);
+	//PERFORM_TEST (sizes, argc, argv);
+	//PERFORM_TEST (scaled_up, argc, argv);
+	return 0;
+}