2 * Copyright © 2011 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Author: Chris Wilson <chris@chris-wilson.co.uk>
27 #include "cairo-test.h"
32 /* Basic test to exercise the new mime-surface callback. */
37 /* Lazy way of determining PNG dimensions... */
39 png_dimensions (const char *filename,
40 cairo_content_t *content, int *width, int *height)
42 cairo_surface_t *surface;
44 surface = cairo_image_surface_create_from_png (filename);
45 *content = cairo_surface_get_content (surface);
46 *width = cairo_image_surface_get_width (surface);
47 *height = cairo_image_surface_get_height (surface);
48 cairo_surface_destroy (surface);
51 static cairo_surface_t *
52 png_acquire (cairo_pattern_t *pattern, void *closure,
53 cairo_surface_t *target,
54 const cairo_rectangle_int_t *extents)
56 return cairo_image_surface_create_from_png (closure);
59 static cairo_surface_t *
60 red_acquire (cairo_pattern_t *pattern, void *closure,
61 cairo_surface_t *target,
62 const cairo_rectangle_int_t *extents)
64 cairo_surface_t *image;
67 image = cairo_surface_create_similar_image (target,
71 cairo_surface_set_device_offset (image, extents->x, extents->y);
73 cr = cairo_create (image);
74 cairo_set_source_rgb (cr, 1, 0, 0);
82 release (cairo_pattern_t *pattern, void *closure, cairo_surface_t *image)
84 cairo_surface_destroy (image);
87 static cairo_test_status_t
88 draw (cairo_t *cr, int width, int height)
90 const char *png_filename = "png.png";
91 cairo_pattern_t *png, *red;
92 cairo_content_t content;
93 int png_width, png_height;
96 png_dimensions (png_filename, &content, &png_width, &png_height);
98 png = cairo_pattern_create_raster_source ((void*)png_filename,
99 content, png_width, png_height);
100 cairo_raster_source_pattern_set_acquire (png, png_acquire, release);
102 red = cairo_pattern_create_raster_source (NULL,
103 CAIRO_CONTENT_COLOR, WIDTH, HEIGHT);
104 cairo_raster_source_pattern_set_acquire (red, red_acquire, release);
106 cairo_set_source_rgb (cr, 0, 0, 1);
109 cairo_translate (cr, 0, (HEIGHT-png_height)/2);
110 for (i = 0; i < 4; i++) {
111 for (j = 0; j < 4; j++) {
112 cairo_pattern_t *source;
117 cairo_set_source (cr, source);
118 cairo_rectangle (cr, i * WIDTH/4, j * png_height/4, WIDTH/4, png_height/4);
123 cairo_pattern_destroy (red);
124 cairo_pattern_destroy (png);
126 return CAIRO_TEST_SUCCESS;
129 CAIRO_TEST (raster_source,
130 "Check that the mime-surface embedding works",
131 "api", /* keywords */
132 NULL, /* requirements */