netsurf/content/handlers/css/utils.h

107 lines
2.4 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 <libcss/libcss.h>
#include "netsurf/css.h"
/** DPI of the screen, in fixed point units */
extern css_fixed nscss_screen_dpi;
/**
* Temporary helper wrappers for for libcss computed style getter, while
* we don't support all values of display.
*/
static inline uint8_t ns_computed_display(
const css_computed_style *style, bool root)
{
uint8_t value = css_computed_display(style, root);
switch (value) {
case CSS_DISPLAY_GRID:
return CSS_DISPLAY_BLOCK;
case CSS_DISPLAY_INLINE_GRID:
return CSS_DISPLAY_INLINE_BLOCK;
default:
break;
}
return value;
}
/**
* Temporary helper wrappers for for libcss computed style getter, while
* we don't support all values of display.
*/
static inline uint8_t ns_computed_display_static(
const css_computed_style *style)
{
uint8_t value = css_computed_display_static(style);
switch (value) {
case CSS_DISPLAY_GRID:
return CSS_DISPLAY_BLOCK;
case CSS_DISPLAY_INLINE_GRID:
return CSS_DISPLAY_INLINE_BLOCK;
default:
break;
}
return value;
}
static inline uint8_t ns_computed_min_height(
const css_computed_style *style,
css_fixed *length, css_unit *unit)
{
uint8_t value = css_computed_min_height(style, length, unit);
if (value == CSS_MIN_HEIGHT_AUTO) {
value = CSS_MIN_HEIGHT_SET;
*length = 0;
*unit = CSS_UNIT_PX;
}
return value;
}
static inline uint8_t ns_computed_min_width(
const css_computed_style *style,
css_fixed *length, css_unit *unit)
{
uint8_t value = css_computed_min_width(style, length, unit);
if (value == CSS_MIN_WIDTH_AUTO) {
value = CSS_MIN_WIDTH_SET;
*length = 0;
*unit = CSS_UNIT_PX;
}
return value;
}
#endif