quakeforge/include/QF/image.h

73 lines
1.9 KiB
C

/*
image.h
General image handling
Copyright (C) 2003 Harry Roberts
Author: Harry Roberts
Date: Sep 4 2003
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef __QF_image_h
#define __QF_image_h
#include "QF/qtypes.h"
typedef enum QFFormat {
tex_palette = 0,
tex_l = 0x1909, //GL_LUMINANCE
tex_a = 0x1906, //GL_ALPHA
tex_la = 2,
tex_rgb = 3,
tex_rgba = 4,
tex_frgba = 5,
} QFFormat;
// could not use texture_t as that is used for models.
typedef struct tex_s {
int width;
int height;
QFFormat format;
union {
struct {
int loaded:1; // 0 if size info only, otherwise data loaded
int flipped:1; // 1 if first pixel is bottom instead of top
int bgr:1; // 1 if image is bgr (for tex_rgb)
};
int flagbits; // for eazy zeroing
};
const byte *palette; // 0 = 32 bit, otherwise 8
byte *data;
} tex_t;
tex_t *LoadImage (const char *imageFile, int load);
size_t ImageSize (const tex_t *tex, int incl_struct) __attribute__((pure));
typedef struct colcache_s colcache_t;
colcache_t *ColorCache_New (void);
void ColorCache_Delete (colcache_t *cache);
byte ConvertColor (const byte *rgb, const byte *pal, colcache_t *cache);
tex_t *ConvertImage (const tex_t *tex, const byte *pal);
#endif//__QF_image_h