pixman-solid-fill.c (2234B)
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 <pixman-config.h> 26 #endif 27 #include "pixman-private.h" 28 29 static uint32_t 30 color_to_uint32 (const pixman_color_t *color) 31 { 32 return 33 ((unsigned int) color->alpha >> 8 << 24) | 34 ((unsigned int) color->red >> 8 << 16) | 35 ((unsigned int) color->green & 0xff00) | 36 ((unsigned int) color->blue >> 8); 37 } 38 39 static argb_t 40 color_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 52 PIXMAN_EXPORT pixman_image_t * 53 pixman_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 }