#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_clear(ctx);

	vkvg_set_source_rgb   (ctx, 1,1,1);

	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 () {
	VkvgContext ctx = vkvg_create(surf);
	vkvg_clear(ctx);
	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_clear(ctx);

	vkvg_set_source_rgb   (ctx, 1,1,1);

	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[]) {
	no_test_size = true;
	PERFORM_TEST (fill_and_stroke, argc, argv);
	PERFORM_TEST (sizes, argc, argv);
	PERFORM_TEST (scaled_up, argc, argv);
	return 0;
}