2 * Copyright 2009 Intel Corporation
4 * Permission to use, copy, modify, distribute, and sell this software
5 * and its documentation for any purpose is hereby granted without
6 * fee, provided that the above copyright notice appear in all copies
7 * and that both that copyright notice and this permission notice
8 * appear in supporting documentation, and that the name of
9 * Intel not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Intel makes no representations about the
12 * suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
15 * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL,
18 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
21 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Author: Chris Wilson <chris@chris-wilson.co.uk>
26 #include "cairo-test.h"
28 static cairo_test_status_t
29 draw (cairo_t *cr, int width, int height)
31 cairo_surface_t *region[5];
32 const char *text = "Cairo";
35 cairo_set_source_rgb (cr, 1, 1, 1);
37 cairo_set_source_rgb (cr, 0, 0, 0);
39 for (i = 0; i < 5; i++) {
41 cairo_text_extents_t extents;
42 char buf[2] = { text[i], '\0' };
44 region[i] = cairo_surface_create_for_rectangle (cairo_get_target (cr),
47 cr_region = cairo_create (region[i]);
48 cairo_surface_destroy (region[i]);
50 cairo_select_font_face (cr_region, "@cairo:",
51 CAIRO_FONT_WEIGHT_NORMAL,
52 CAIRO_FONT_SLANT_NORMAL);
53 cairo_set_font_size (cr_region, 20);
54 cairo_text_extents (cr_region, buf, &extents);
55 cairo_move_to (cr_region,
56 10 - (extents.width/2 + extents.x_bearing),
57 10 - (extents.height/2 + extents.y_bearing));
58 cairo_show_text (cr_region, buf);
60 region[i] = cairo_surface_reference (cairo_get_target (cr_region));
61 cairo_destroy (cr_region);
64 for (i = 0; i < 5; i++) {
65 cairo_set_source_surface (cr, region[5-i-1], 20 * i, 20);
69 for (i = 0; i < 5; i++) {
70 cairo_set_source_surface (cr, region[5-i-1], 20 * i, 40);
71 cairo_paint_with_alpha (cr, .5);
74 for (i = 0; i < 5; i++)
75 cairo_surface_destroy (region[i]);
77 return CAIRO_TEST_SUCCESS;
80 CAIRO_TEST (subsurface,
81 "Tests clipping of both source and destination using subsurfaces",
82 "subsurface", /* keywords */
83 "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */