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/* Dia -- an diagram creation/manipulation program
* Copyright (C) 1998 Alexander Larsson
*
* pattern.h - interface definition for DiaPattern object
* Copyright (C) 2013 Hans Breuer
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef PATTERN_H
#define PATTERN_H
#include "diatypes.h"
#include "geometry.h"
#include <glib.h>
G_BEGIN_DECLS
typedef enum
{
DIA_LINEAR_GRADIENT = 1,
DIA_RADIAL_GRADIENT
} DiaPatternType;
typedef enum
{
DIA_PATTERN_USER_SPACE = (1<<0),
DIA_PATTERN_EXTEND_REPEAT = (1<<1),
DIA_PATTERN_EXTEND_REFLECT = (1<<2),
DIA_PATTERN_EXTEND_PAD = (1<<3)
} DiaPatternFlags;
DiaPattern *dia_pattern_new (DiaPatternType pt, guint flags, real x, real y);
void dia_pattern_set_radius (DiaPattern *self, real r);
void dia_pattern_set_point (DiaPattern *pattern, real x, real y);
void dia_pattern_add_color (DiaPattern *pattern, real pos, const Color *stop);
void dia_pattern_set_pattern (DiaPattern *pattern, DiaPattern *pat);
void dia_pattern_get_fallback_color (DiaPattern *pattern, Color *color);
void dia_pattern_get_points (DiaPattern *pattern, Point *p1, Point *p2);
void dia_pattern_get_radius (DiaPattern *pattern, real *r);
void dia_pattern_get_settings (DiaPattern *pattern, DiaPatternType *type, guint *flags);
typedef gboolean (*DiaColorStopFunc) (real ofs, const Color *col, gpointer user_data);
void dia_pattern_foreach (DiaPattern *pattern, DiaColorStopFunc fn, gpointer user_data);
G_END_DECLS
#endif /* PATTERN_H */
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