1 /*
2 * Copyright 2014 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 // EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL
9 // DO NOT USE -- FOR INTERNAL TESTING ONLY
10
11 #include "include/c/sk_canvas.h"
12 #include "include/c/sk_data.h"
13 #include "include/c/sk_image.h"
14 #include "include/c/sk_imageinfo.h"
15 #include "include/c/sk_paint.h"
16 #include "include/c/sk_shader.h"
17 #include "include/c/sk_surface.h"
18 #include "include/c/sk_types.h"
19
20 #include <stdbool.h>
21 #include <stddef.h>
22
23 extern void sk_test_c_api(sk_canvas_t*);
24
25 #define W 256
26 #define H 256
27
make_shader()28 static sk_shader_t* make_shader() {
29 sk_point_t pts[] = { { 0, 0 }, { W, H } };
30 sk_color_t colors[] = { 0xFF00FF00, 0xFF0000FF };
31 return sk_shader_new_linear_gradient(pts, colors, NULL, 2, CLAMP_SK_SHADER_TILEMODE, NULL);
32 }
33
do_draw(sk_canvas_t * canvas)34 static void do_draw(sk_canvas_t* canvas) {
35 sk_paint_t* paint = sk_paint_new();
36 sk_paint_set_antialias(paint, true);
37
38 sk_paint_set_color(paint, 0xFFFFFFFF);
39 sk_canvas_draw_paint(canvas, paint);
40
41 sk_rect_t r = { 10, 10, W - 10, H - 10 };
42
43 sk_paint_set_color(paint, 0xFFFF0000);
44 sk_canvas_draw_rect(canvas, &r, paint);
45
46 sk_shader_t* shader = make_shader();
47 sk_paint_set_shader(paint, shader);
48 sk_shader_unref(shader);
49
50 sk_canvas_draw_oval(canvas, &r, paint);
51
52 sk_paint_delete(paint);
53 }
54
sk_test_c_api(sk_canvas_t * canvas)55 void sk_test_c_api(sk_canvas_t* canvas) {
56 do_draw(canvas);
57
58 sk_imageinfo_t* info = sk_imageinfo_new(W, H, RGBA_8888_SK_COLORTYPE, OPAQUE_SK_ALPHATYPE,
59 NULL);
60 sk_surfaceprops_t surfaceProps = { UNKNOWN_SK_PIXELGEOMETRY };
61 sk_surface_t* surf = sk_surface_new_raster(info, &surfaceProps);
62 sk_imageinfo_delete(info);
63 do_draw(sk_surface_get_canvas(surf));
64
65 sk_image_t* img0 = sk_surface_new_image_snapshot(surf);
66 sk_surface_unref(surf);
67
68 sk_canvas_draw_image(canvas, img0, W + 10, 10, NULL, NULL);
69
70 sk_data_t* data = sk_image_encode(img0);
71 sk_image_unref(img0);
72
73 sk_image_t* img1 = sk_image_new_from_encoded(data);
74 sk_data_unref(data);
75
76 if (img1) {
77 sk_canvas_draw_image(canvas, img1, W/2, H/2, NULL, NULL);
78 sk_image_unref(img1);
79 }
80 }
81
82
83