The Tor Browser: gfx/cairo/libpixman/src/pixman-solid-fill.c@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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  */

    24 #ifdef HAVE_CONFIG_H

    25 #include <config.h>

    26 #endif

    27 #include "pixman-private.h"

    29 static uint32_t

    30 color_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 }

    39 static argb_t

    40 color_to_float (const pixman_color_t *color)

    41 {

    42     argb_t result;

    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);

    49     return result;

    50 }

    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 ();

    57     if (!img)

    58 	return NULL;

    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);

    65     return img;

    66 }

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