mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-01 02:26:58 +03:00
56 lines
1.6 KiB
C
56 lines
1.6 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/>.
|
|
*/
|
|
|
|
#ifndef NETSURF_CSS_UTILS_H_
|
|
#define NETSURF_CSS_UTILS_H_
|
|
|
|
#include "css/css.h"
|
|
#include "desktop/plot_style.h"
|
|
|
|
/* DPI of the screen, in fixed point units */
|
|
extern css_fixed nscss_screen_dpi;
|
|
|
|
/**
|
|
* Convert a CSS color to a NetSurf colour primitive
|
|
*
|
|
* ARGB -> (1-A)BGR
|
|
*
|
|
* \param color The CSS color to convert
|
|
* \return Corresponding NetSurf colour primitive
|
|
*/
|
|
#define nscss_color_to_ns(color) \
|
|
(0xff000000 - ((color) & 0xff000000)) | \
|
|
(((color) & 0xff0000) >> 16) | \
|
|
((color) & 0xff00) | \
|
|
(((color) & 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)
|
|
|
|
css_fixed nscss_len2pt(css_fixed length, css_unit unit);
|
|
css_fixed nscss_len2px(css_fixed length, css_unit unit,
|
|
const css_computed_style *style);
|
|
|
|
#endif
|