aseprite/src/util/boundary.h

60 lines
1.7 KiB
C++

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Adapted to ASE by David Capello (2001-2011)
* See "LICENSE.txt" for more information.
*/
#ifndef UTIL_BOUNDARY_H_INCLUDED
#define UTIL_BOUNDARY_H_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
class Image;
typedef enum
{
WithinBounds,
IgnoreBounds
} BoundaryType;
typedef struct _BoundSeg
{
int x1, y1, x2, y2;
unsigned open : 1;
unsigned visited : 1;
} BoundSeg;
// The returned pointer must be freed using base_free() function.
BoundSeg* find_mask_boundary(const Image* maskPR, int* num_elems,
BoundaryType type, int x1, int y1, int x2, int y2);
BoundSeg* sort_boundary(BoundSeg* segs, int num_segs, int* num_groups);
// Call this function when you don't use find_mask_boundary() anymore (e.g. atexit()).
void boundary_exit();
#ifdef __cplusplus
}
#endif
#endif