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);
38 cairo_rectangle (cr, 0, 20, 200, 60);
39 cairo_set_source_rgb (cr, 1, 0, 0);
42 cairo_set_source_rgb (cr, 0, 0, 0);
44 for (i = 0; i < 5; i++) {
46 cairo_text_extents_t extents;
47 char buf[2] = { text[i], '\0' };
49 region[i] = cairo_surface_create_for_rectangle (cairo_get_target (cr),
52 cr_region = cairo_create (region[i]);
53 cairo_surface_destroy (region[i]);
55 cairo_select_font_face (cr_region, "@cairo:",
56 CAIRO_FONT_WEIGHT_NORMAL,
57 CAIRO_FONT_SLANT_NORMAL);
58 cairo_set_font_size (cr_region, 20);
59 cairo_text_extents (cr_region, buf, &extents);
60 cairo_move_to (cr_region,
61 10 - (extents.width/2 + extents.x_bearing),
62 10 - (extents.height/2 + extents.y_bearing));
63 cairo_show_text (cr_region, buf);
65 region[i] = cairo_surface_reference (cairo_get_target (cr_region));
66 cairo_destroy (cr_region);
69 cairo_scale (cr, 2, 2);
70 for (i = 0; i < 5; i++) {
71 cairo_set_source_surface (cr, region[5-i-1], 20 * i, 20);
72 cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
73 cairo_rectangle (cr, 20*i, 20, 20, 20);
77 for (i = 0; i < 5; i++) {
78 cairo_set_source_surface (cr, region[5-i-1], 20 * i, 40);
79 cairo_paint_with_alpha (cr, .5);
82 for (i = 0; i < 5; i++)
83 cairo_surface_destroy (region[i]);
85 return CAIRO_TEST_SUCCESS;
88 CAIRO_TEST (subsurface_scale,
89 "Tests clipping of both source and destination using subsurfaces",
90 "subsurface", /* keywords */
91 "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */