1 /*
2 * Copyright © 2009 Chris Wilson
3 *
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 * Chris Wilson not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Chris Wilson makes no representations about the
12 * suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
14 *
15 * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL CHRIS WILSON 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.
22 *
23 * Author: Chris Wilson <chris@chris-wilson.co.uk>
24 */
25
26 #include "cairo-test.h"
27
28 static cairo_test_status_t
draw(cairo_t * cr,int width,int height)29 draw (cairo_t *cr, int width, int height)
30 {
31 cairo_text_extents_t extents;
32
33 cairo_set_source_rgb (cr, 0, 0, 1);
34 cairo_paint (cr);
35
36 cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
37
38 cairo_translate (cr, 2, 2);
39 cairo_save (cr);
40 cairo_rectangle (cr, 0, 0, 20, 20);
41 cairo_clip (cr);
42 cairo_rectangle (cr, 5, 5, 10, 10);
43 cairo_fill (cr);
44 cairo_restore (cr);
45
46 cairo_translate (cr, 20, 0);
47 cairo_save (cr);
48 cairo_rectangle (cr, 0, 0, 20, 20);
49 cairo_clip (cr);
50 cairo_arc (cr, 10, 10, 8, 0, 2*M_PI);
51 cairo_fill (cr);
52 cairo_restore (cr);
53
54 cairo_translate (cr, 0, 20);
55 cairo_save (cr);
56 cairo_rectangle (cr, 0, 0, 20, 20);
57 cairo_clip (cr);
58 cairo_text_extents (cr, "Cairo", &extents);
59 cairo_move_to (cr,
60 10 - (extents.width/2. + extents.x_bearing),
61 10 - (extents.height/2. + extents.y_bearing));
62 cairo_text_path (cr, "Cairo");
63 cairo_fill (cr);
64 cairo_restore (cr);
65
66 cairo_translate (cr, -20, 0);
67 cairo_save (cr);
68 cairo_rectangle (cr, 0, 0, 20, 20);
69 cairo_clip (cr);
70 cairo_move_to (cr, 10, 2);
71 cairo_line_to (cr, 18, 18);
72 cairo_line_to (cr, 2, 18);
73 cairo_close_path (cr);
74 cairo_fill (cr);
75 cairo_restore (cr);
76
77 return CAIRO_TEST_SUCCESS;
78 }
79
80 CAIRO_TEST (clear,
81 "Test masked clears",
82 "paint, clear", /* keywords */
83 NULL, /* requirements */
84 44, 44,
85 NULL, draw)
86
87