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/* vim: set ts=8 sw=8 noexpandtab: */
/* The `C' CSS Library.
* Copyright (C) 2008 Robert Staudinger
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef CCSS_POSITION_H
#define CCSS_POSITION_H
#include <stdbool.h>
#include <stdint.h>
#include <ccss/ccss-macros.h>
CCSS_BEGIN_DECLS
typedef enum {
/* Remember to revisit all locations where a mask is used when it's
* being extended. */
CCSS_POSITION_LENGTH = 1 << 0,
CCSS_POSITION_PERCENTAGE = 1 << 1,
CCSS_POSITION_MASK_NUMERIC = CCSS_POSITION_LENGTH |
CCSS_POSITION_PERCENTAGE,
CCSS_POSITION_LEFT = 1 << 2,
CCSS_POSITION_TOP = 1 << 3,
CCSS_POSITION_RIGHT = 1 << 4,
CCSS_POSITION_BOTTOM = 1 << 5,
CCSS_POSITION_CENTER = 1 << 6,
CCSS_POSITION_MASK_HORIZONTAL = CCSS_POSITION_LEFT |
CCSS_POSITION_RIGHT |
CCSS_POSITION_CENTER,
CCSS_POSITION_MASK_VERTICAL = CCSS_POSITION_TOP |
CCSS_POSITION_BOTTOM |
CCSS_POSITION_CENTER,
CCSS_POSITION_AUTO = 1 << 7,
CCSS_POSITION_CONTAIN = 1 << 8,
CCSS_POSITION_COVER = 1 << 9,
CCSS_POSITION_MASK_AUTO = CCSS_POSITION_AUTO |
CCSS_POSITION_CONTAIN |
CCSS_POSITION_COVER
} ccss_position_type_t;
typedef struct {
ccss_position_type_t type;
double value;
} ccss_position_t;
double
ccss_position_get_pos (ccss_position_t const *self,
double extent,
double size);
double
ccss_position_get_size (ccss_position_t const *self,
double extent);
double
ccss_position_get_hsize (ccss_position_t const *self,
double extent_x,
double extent_y,
double width,
double height);
double
ccss_position_get_vsize (ccss_position_t const *self,
double extent_x,
double extent_y,
double width,
double height);
char *
ccss_position_serialize (ccss_position_t const *self);
CCSS_END_DECLS
#endif /* CCSS_POSITION_H */
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