#include "test.h"

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;
}

void paint() {
    VkvgContext ctx = _initCtx(surf);
    // 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);
}
void paint_repeat() {
    VkvgContext ctx = _initCtx(surf);
    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);
}

void test() {
    VkvgContext ctx = _initCtx(surf);
    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);
}
void test2() {
    VkvgContext ctx = _initCtx(surf);

    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);
}

void gradient_transform() {
    VkvgContext ctx = _initCtx(surf);

    // 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);
}
void gradient_alpha() {
    VkvgContext ctx = _initCtx(surf);
    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);
}

int main(int argc, char *argv[]) {
    no_test_size = true;
    PERFORM_TEST(gradient_alpha, argc, argv);
    PERFORM_TEST(paint, argc, argv);
    PERFORM_TEST(paint_repeat, argc, argv);
    PERFORM_TEST(gradient_transform, argc, argv);
    return 0;
}