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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Copyright © 2011 Intel Corporation
*
* 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 WIDTH 3
#define HEIGHT 3
/* A single, black pixel */
static const uint32_t black_pixel_argb = 0xff000000;
static const uint32_t black_pixel = 0x00000000;
static cairo_bool_t
set_pixel_black(uint8_t *data, int stride,
cairo_format_t format, int x, int y)
{
switch (format) {
case CAIRO_FORMAT_ARGB32:
case CAIRO_FORMAT_RGB24:
*(uint32_t *)(data + y * stride + 4*x) = black_pixel_argb;
break;
case CAIRO_FORMAT_RGB16_565:
*(uint16_t *)(data + y * stride + 2*x) = black_pixel;
break;
case CAIRO_FORMAT_RGB30:
case CAIRO_FORMAT_A8:
case CAIRO_FORMAT_A1:
case CAIRO_FORMAT_INVALID:
default:
return FALSE;
}
return TRUE;
}
static cairo_test_status_t
all (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
uint8_t *data;
int stride;
cairo_format_t format;
int i, j;
/* Fill background white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
surface = cairo_surface_map_to_image (cairo_get_target (cr), NULL);
cairo_surface_flush (surface);
format = cairo_image_surface_get_format (surface);
stride = cairo_image_surface_get_stride (surface);
data = cairo_image_surface_get_data (surface);
if (data) {
for (j = 0; j < HEIGHT; j++)
for (i = 0; i < WIDTH; i++)
if (! set_pixel_black (data, stride, format, i, j))
return CAIRO_TEST_FAILURE;
}
cairo_surface_mark_dirty (surface);
cairo_surface_unmap_image (cairo_get_target (cr), surface);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
bit (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
cairo_rectangle_int_t extents;
cairo_format_t format;
uint8_t *data;
extents.x = extents.y = extents.width = extents.height = 1;
/* Fill background white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
surface = cairo_surface_map_to_image (cairo_get_target (cr), &extents);
cairo_surface_flush (surface);
data = cairo_image_surface_get_data (surface);
format = cairo_image_surface_get_format (surface);
if (data) {
if (! set_pixel_black (data, 0, format, 0, 0))
return CAIRO_TEST_FAILURE;
}
cairo_surface_mark_dirty (surface);
cairo_surface_unmap_image (cairo_get_target (cr), surface);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
fill (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
cairo_rectangle_int_t extents;
cairo_t *cr2;
extents.x = extents.y = extents.width = extents.height = 1;
/* Fill background white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
surface = cairo_surface_map_to_image (cairo_get_target (cr), &extents);
cr2 = cairo_create (surface);
cairo_set_source_rgb (cr2, 1, 0, 0);
cairo_paint (cr2);
cairo_destroy (cr2);
cairo_surface_unmap_image (cairo_get_target (cr), surface);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (map_all_to_image,
"Test maping a surface to an image and modifying it externally",
"image", /* keywords */
"target=raster", /* requirements */
WIDTH, HEIGHT,
NULL, all)
CAIRO_TEST (map_bit_to_image,
"Test maping a surface to an image and modifying it externally",
"image", /* keywords */
"target=raster", /* requirements */
WIDTH, HEIGHT,
NULL, bit)
CAIRO_TEST (map_to_image_fill,
"Test maping a surface to an image and modifying it externally",
"image", /* keywords */
"target=raster", /* requirements */
WIDTH, HEIGHT,
NULL, fill)
|
