diff options
Diffstat (limited to 'content/handlers/css/utils.h')
-rw-r--r-- | content/handlers/css/utils.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/content/handlers/css/utils.h b/content/handlers/css/utils.h new file mode 100644 index 000000000..58a5ea6e6 --- /dev/null +++ b/content/handlers/css/utils.h @@ -0,0 +1,49 @@ +/* + * 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; + +/** + * Convert an absolute CSS length to points. + * + * \param[in] length Absolute CSS length. + * \param[in] unit Unit of the length. + * \return length in points + */ +css_fixed nscss_len2pt(css_fixed length, css_unit unit); + +/** + * Convert a CSS length to pixels. + * + * \param length Length to convert + * \param unit Corresponding unit + * \param style Computed style applying to length. May be NULL if unit is + * neither em nor ex + * \return length in pixels + */ +css_fixed nscss_len2px(css_fixed length, css_unit unit, const css_computed_style *style); + +#endif |