1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright © 2008 Chris Wilson
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Author: Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
#define SIZE 24
static cairo_test_draw_function_t draw;
static const cairo_test_t test = {
"rectilinear-fill",
"Test rectilinear fill operations (covering only whole pixels)",
SIZE, 2 * SIZE,
draw
};
static void
draw_rectangles (cairo_t *cr)
{
cairo_save (cr);
/* test constructing single rectangles */
cairo_rectangle (cr, 0, 0, SIZE/2, 2);
cairo_fill (cr);
cairo_rectangle (cr, 0, 5, SIZE/2, -2);
cairo_fill (cr);
cairo_rectangle (cr, SIZE/2, 6, -SIZE/2, 2);
cairo_fill (cr);
cairo_rectangle (cr, SIZE/2, 11, -SIZE/2, -2);
cairo_fill (cr);
/* test constructing multiple rectangles */
cairo_translate (cr, 0, 12);
cairo_rectangle (cr, 0, 0, SIZE/2, 2);
cairo_rectangle (cr, 0, 5, SIZE/2, -2);
cairo_rectangle (cr, SIZE/2, 6, -SIZE/2, 2);
cairo_rectangle (cr, SIZE/2, 11, -SIZE/2, -2);
cairo_fill (cr);
cairo_restore (cr);
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
/* Paint background white, then draw in black. */
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
cairo_paint (cr);
cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
draw_rectangles (cr);
/* and check using cw winding */
cairo_translate (cr, SIZE, SIZE);
cairo_scale (cr, -1, 1);
draw_rectangles (cr);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test);
}
|
