#include "test.h"

float lineWidth = 10.f;
const char* imgPath = "data/miroir.jpg";

VkvgPattern create_grad (VkvgContext ctx) {
	VkvgPattern pat = vkvg_pattern_create_linear(0,0,200,0);
	vkvg_pattern_add_color_stop(pat,   0, 1, 0, 0, 1);
	vkvg_pattern_add_color_stop(pat, 0.5, 0, 1, 0, 1);
	vkvg_pattern_add_color_stop(pat, 1.0, 0, 0, 1, 1);
	return pat;
}

VkvgSurface createSurf (uint32_t width, uint32_t height) {
	VkvgSurface s = vkvg_surface_create(device, width, height);
	VkvgContext ctx = _initCtx(surf);
	vkvg_set_line_width(ctx,lineWidth);
	float hlw = lineWidth/2.f;
	/*
	vkvg_set_source_rgba(ctx,0,1,0,0.5);
	vkvg_fill_preserve(ctx);*/
	vkvg_set_source_rgba(ctx,1,0,0,0.5);
	vkvg_paint(ctx);
	vkvg_set_source_rgba(ctx,0,0,1,0.5);
	vkvg_rectangle(ctx,hlw,hlw,(float)width-lineWidth,(float)height-lineWidth);
	vkvg_stroke(ctx);
	vkvg_destroy(ctx);
	return s;
}

void img_scale() {
	VkvgSurface imgSurf = vkvg_surface_create_from_image(device, imgPath);
	VkvgPattern pat = vkvg_pattern_create_for_surface(imgSurf);
	VkvgContext ctx = _initCtx(surf);

	vkvg_translate(ctx, 100,100);

	vkvg_matrix_t mat;
	vkvg_matrix_init_scale(&mat, 2.0, 2.0);
	vkvg_pattern_set_matrix (pat, &mat);

	vkvg_set_source (ctx, pat);
	vkvg_rectangle(ctx, 0 , 0, 200, 140);
	vkvg_fill(ctx);
	vkvg_destroy(ctx);
	vkvg_pattern_destroy(pat);
	vkvg_surface_destroy(imgSurf);
}

void pat_scale(){

	VkvgContext ctx = _initCtx(surf);
	VkvgPattern pat = create_grad(ctx);

	vkvg_translate(ctx, 100,100);

	vkvg_matrix_t mat;
	vkvg_matrix_init_scale(&mat, 0.5, 0.5);
	vkvg_pattern_set_matrix (pat, &mat);

	vkvg_set_source (ctx, pat);
	vkvg_rectangle(ctx, 0 , 0, 200, 140);
	vkvg_fill(ctx);
	vkvg_destroy(ctx);
	vkvg_pattern_destroy(pat);
}
static float angle = 0;
void pat_rotate(){
	angle += 0.001f;

	VkvgContext ctx = _initCtx(surf);
	VkvgPattern pat = create_grad(ctx);

	//vkvg_translate(ctx, 100,100);

	vkvg_matrix_t mat;
	vkvg_matrix_init_translate(&mat, 100, 70);
	vkvg_matrix_rotate(&mat, angle);
	vkvg_pattern_set_matrix (pat, &mat);

	vkvg_set_source (ctx, pat);
	vkvg_rectangle(ctx, 0 , 0, 200, 140);
	vkvg_fill(ctx);
	vkvg_destroy(ctx);
	vkvg_pattern_destroy(pat);
}
int main(int argc, char *argv[]) {
	no_test_size = true;
	PERFORM_TEST (pat_scale, argc, argv);
	PERFORM_TEST (pat_rotate, argc, argv);
	PERFORM_TEST (img_scale, argc, argv);
	return 0;
}