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_surface_t *mime_surface, void *closure,
53 cairo_surface_t *target, const cairo_rectangle_int_t *roi,
54 cairo_rectangle_int_t *extents)
56 cairo_surface_t *image;
58 image = cairo_image_surface_create_from_png (closure);
59 extents->x = extents->y = 0;
60 extents->width = cairo_image_surface_get_width (image);
61 extents->height = cairo_image_surface_get_height (image);
65 static cairo_surface_t *
66 red_acquire (cairo_surface_t *mime_surface, void *closure,
67 cairo_surface_t *target, const cairo_rectangle_int_t *roi,
68 cairo_rectangle_int_t *extents)
70 cairo_surface_t *image;
73 image = cairo_surface_create_similar_image (target,
75 roi->width, roi->height);
76 cr = cairo_create (image);
77 cairo_set_source_rgb (cr, 1, 0, 0);
86 release (cairo_surface_t *mime_surface, void *closure, cairo_surface_t *image)
88 cairo_surface_destroy (image);
91 static cairo_test_status_t
92 draw (cairo_t *cr, int width, int height)
94 const char *png_filename = "png.png";
95 cairo_surface_t *png, *red;
96 cairo_content_t content;
97 int png_width, png_height;
100 png_dimensions (png_filename, &content, &png_width, &png_height);
102 png = cairo_mime_surface_create ((void*)png_filename, content, png_width, png_height);
103 cairo_mime_surface_set_acquire (png, png_acquire, release);
105 red = cairo_mime_surface_create (NULL, CAIRO_CONTENT_COLOR, WIDTH, HEIGHT);
106 cairo_mime_surface_set_acquire (red, red_acquire, release);
108 cairo_set_source_rgb (cr, 0, 0, 1);
111 cairo_translate (cr, 0, (HEIGHT-png_height)/2);
112 for (i = 0; i < 4; i++) {
113 for (j = 0; j < 4; j++) {
114 cairo_surface_t *source;
119 cairo_set_source_surface (cr, source, 0, 0);
120 cairo_rectangle (cr, i * WIDTH/4, j * png_height/4, WIDTH/4, png_height/4);
125 cairo_surface_destroy (red);
126 cairo_surface_destroy (png);
128 return CAIRO_TEST_SUCCESS;
131 static cairo_test_status_t
132 check_status (const cairo_test_context_t *ctx,
133 cairo_status_t status,
134 cairo_status_t expected)
136 if (status == expected)
137 return CAIRO_TEST_SUCCESS;
140 "Error: Expected status value %d (%s), received %d (%s)\n",
142 cairo_status_to_string (expected),
144 cairo_status_to_string (status));
145 return CAIRO_TEST_FAILURE;
148 static cairo_test_status_t
149 preamble (cairo_test_context_t *ctx)
151 cairo_surface_t *mime;
152 cairo_status_t status;
155 /* drawing to a mime-surface is verboten */
157 mime = cairo_mime_surface_create (NULL, CAIRO_CONTENT_COLOR, 0, 0);
158 cr = cairo_create (mime);
159 cairo_surface_destroy (mime);
160 status = cairo_status (cr);
162 status = check_status (ctx, status, CAIRO_STATUS_WRITE_ERROR);
166 return CAIRO_TEST_SUCCESS;
169 CAIRO_TEST (mime_surface,
170 "Check that the mime-surface embedding works",
171 "api", /* keywords */
172 NULL, /* requirements */