pixman-solid-fill.c revision 1176bdada62cabc6ec4b0308a930e83b679d5d36 
1/*
2 * Copyright © 2000 SuSE, Inc.
3 * Copyright © 2007, 2009 Red Hat, Inc.
4 * Copyright © 2009 Soren Sandmann
5 *
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of SuSE not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission.  SuSE makes no representations about the
13 * suitability of this software for any purpose.  It is provided "as is"
14 * without express or implied warranty.
15 *
16 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 */
23
24#ifdef HAVE_CONFIG_H
25#include <config.h>
26#endif
27#include "pixman-private.h"
28
29static uint32_t
30color_to_uint32 (const pixman_color_t *color)
31{
32    return
33        (color->alpha >> 8 << 24) |
34        (color->red >> 8 << 16) |
35        (color->green & 0xff00) |
36        (color->blue >> 8);
37}
38
39static argb_t
40color_to_float (const pixman_color_t *color)
41{
42    argb_t result;
43
44    result.a = pixman_unorm_to_float (color->alpha, 16);
45    result.r = pixman_unorm_to_float (color->red, 16);
46    result.g = pixman_unorm_to_float (color->green, 16);
47    result.b = pixman_unorm_to_float (color->blue, 16);
48
49    return result;
50}
51
52PIXMAN_EXPORT pixman_image_t *
53pixman_image_create_solid_fill (const pixman_color_t *color)
54{
55    pixman_image_t *img = _pixman_image_allocate ();
56
57    if (!img)
58	return NULL;
59
60    img->type = SOLID;
61    img->solid.color = *color;
62    img->solid.color_32 = color_to_uint32 (color);
63    img->solid.color_float = color_to_float (color);
64
65    return img;
66}
67
68