You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
1.9 KiB
73 lines
1.9 KiB
13 years ago
|
/* 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_UTA_H__
|
||
|
|
#define __ART_UTA_H__
|
||
|
|
|
||
|
|
/* Basic data structures and constructors for microtile arrays */
|
||
|
|
|
||
|
|
#ifdef LIBART_COMPILATION
|
||
|
|
#include "art_misc.h"
|
||
|
|
#else
|
||
|
|
#include <libart_lgpl/art_misc.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
typedef art_u32 ArtUtaBbox;
|
||
|
|
typedef struct _ArtUta ArtUta;
|
||
|
|
|
||
|
|
#define ART_UTA_BBOX_CONS(x0, y0, x1, y1) (((x0) << 24) | ((y0) << 16) | \
|
||
|
|
((x1) << 8) | (y1))
|
||
|
|
|
||
|
|
#define ART_UTA_BBOX_X0(ub) ((ub) >> 24)
|
||
|
|
#define ART_UTA_BBOX_Y0(ub) (((ub) >> 16) & 0xff)
|
||
|
|
#define ART_UTA_BBOX_X1(ub) (((ub) >> 8) & 0xff)
|
||
|
|
#define ART_UTA_BBOX_Y1(ub) ((ub) & 0xff)
|
||
|
|
|
||
|
|
#define ART_UTILE_SHIFT 5
|
||
|
|
#define ART_UTILE_SIZE (1 << ART_UTILE_SHIFT)
|
||
|
|
|
||
|
|
/* Coordinates are shifted right by ART_UTILE_SHIFT wrt the real
|
||
|
|
coordinates. */
|
||
|
|
struct _ArtUta {
|
||
|
|
int x0;
|
||
|
|
int y0;
|
||
|
|
int width;
|
||
|
|
int height;
|
||
|
|
ArtUtaBbox *utiles;
|
||
|
|
};
|
||
|
|
|
||
|
|
ArtUta *
|
||
|
|
art_uta_new (int x0, int y0, int x1, int y1);
|
||
|
|
|
||
|
|
ArtUta *
|
||
|
|
art_uta_new_coords (int x0, int y0, int x1, int y1);
|
||
|
|
|
||
|
|
void
|
||
|
|
art_uta_free (ArtUta *uta);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
#endif /* __ART_UTA_H__ */
|