mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-23 20:46:50 +03:00
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
|
|
* Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
|
|
*
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
*
|
|
* NetSurf is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* NetSurf is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Netsurf core css API
|
|
*/
|
|
|
|
#ifndef _NETSURF_CSS_H_
|
|
#define _NETSURF_CSS_H_
|
|
|
|
/**
|
|
* Convert a CSS color to a NetSurf colour primitive
|
|
*
|
|
* ARGB -> (1-A)BGR
|
|
*
|
|
* \param c The CSS color to convert
|
|
* \return Corresponding NetSurf colour primitive
|
|
*/
|
|
#define nscss_color_to_ns(c) \
|
|
( ((~c) & 0xff000000) | \
|
|
((( c) & 0xff0000 ) >> 16) | \
|
|
(( c) & 0xff00 ) | \
|
|
((( c) & 0xff ) << 16))
|
|
|
|
|
|
/**
|
|
* Convert a NetSurf color to a CSS colour primitive
|
|
*
|
|
* (1-A)BGR -> ARGB
|
|
*
|
|
* \param c The NetSurf color to convert
|
|
* \return Corresponding CSS colour primitive
|
|
*/
|
|
#define ns_color_to_nscss(c) \
|
|
( ((~c) & 0xff000000) | \
|
|
((( c) & 0xff0000 ) >> 16) | \
|
|
(( c) & 0xff00 ) | \
|
|
((( c) & 0xff ) << 16))
|
|
|
|
/**
|
|
* Determine if a CSS color primitive is transparent
|
|
*
|
|
* \param color The CSS color to consider
|
|
* \return True if the color is transparent, false otherwise
|
|
*/
|
|
#define nscss_color_is_transparent(color) \
|
|
(((color) >> 24) == 0)
|
|
|
|
#endif
|