mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-28 03:18:41 +00:00
0382578602
2001-11-07 changes to use the new intersector code. These files are licensed under the LGPL. a=brendan@mozilla.org
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/* Libart_LGPL - library of basic graphic primitives
|
|
* Copyright (C) 1998 Raph Levien
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __ART_RECT_H__
|
|
#define __ART_RECT_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct _ArtDRect ArtDRect;
|
|
typedef struct _ArtIRect ArtIRect;
|
|
|
|
struct _ArtDRect {
|
|
/*< public >*/
|
|
double x0, y0, x1, y1;
|
|
};
|
|
|
|
struct _ArtIRect {
|
|
/*< public >*/
|
|
int x0, y0, x1, y1;
|
|
};
|
|
|
|
/* Make a copy of the rectangle. */
|
|
void art_irect_copy (ArtIRect *dest, const ArtIRect *src);
|
|
|
|
/* Find the smallest rectangle that includes both source rectangles. */
|
|
void art_irect_union (ArtIRect *dest,
|
|
const ArtIRect *src1, const ArtIRect *src2);
|
|
|
|
/* Return the intersection of the two rectangles */
|
|
void art_irect_intersect (ArtIRect *dest,
|
|
const ArtIRect *src1, const ArtIRect *src2);
|
|
|
|
/* Return true if the rectangle is empty. */
|
|
int art_irect_empty (const ArtIRect *src);
|
|
|
|
/* Make a copy of the rectangle. */
|
|
void art_drect_copy (ArtDRect *dest, const ArtDRect *src);
|
|
|
|
/* Find the smallest rectangle that includes both source rectangles. */
|
|
void art_drect_union (ArtDRect *dest,
|
|
const ArtDRect *src1, const ArtDRect *src2);
|
|
|
|
/* Return the intersection of the two rectangles */
|
|
void art_drect_intersect (ArtDRect *dest,
|
|
const ArtDRect *src1, const ArtDRect *src2);
|
|
|
|
/* Return true if the rectangle is empty. */
|
|
int art_drect_empty (const ArtDRect *src);
|
|
|
|
void
|
|
art_drect_affine_transform (ArtDRect *dst, const ArtDRect *src,
|
|
const double matrix[6]);
|
|
|
|
void art_drect_to_irect (ArtIRect *dst, ArtDRect *src);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|