2 * Copyright © 2012 Uli Schlachter
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: Uli Schlachter <psychon@znc.in>
27 #include "cairo-test.h"
32 static cairo_test_status_t
33 draw (cairo_t *cr, int width, int height)
35 cairo_surface_t *surface;
36 cairo_surface_t *image;
37 cairo_surface_t *subimage;
38 cairo_rectangle_int_t extents;
41 extents.x = extents.y = 10;
42 extents.width = WIDTH - 20;
43 extents.height = HEIGHT - 20;
45 /* We use a similar surface to have way smaller ref images */
46 surface = cairo_surface_create_similar (cairo_get_target (cr),
47 CAIRO_CONTENT_COLOR_ALPHA,
50 /* First we have to defeat xcb's deferred clear */
51 cr2 = cairo_create (surface);
52 cairo_test_paint_checkered (cr2);
55 /* Get us an image surface with a non-natural stride */
56 image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
58 subimage = cairo_surface_map_to_image (image, &extents);
60 /* Paint the subimage to the similar surface and trigger the big upload */
61 cr2 = cairo_create (surface);
62 cairo_set_source_surface (cr2, subimage, 0, 0);
66 /* Finally we make sure that errors aren't lost. */
67 cairo_surface_unmap_image (image, subimage);
68 cairo_set_source_surface (cr, surface, 0, 0);
70 cairo_surface_destroy (image);
71 cairo_surface_destroy (surface);
73 return CAIRO_TEST_SUCCESS;
76 CAIRO_TEST (xcb_huge_subimage,
77 "Test if the maximum request size is honored",
79 NULL, /* requirements */