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73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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image.h
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General image handling
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Copyright (C) 2003 Harry Roberts
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Author: Harry Roberts
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Date: Sep 4 2003
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __QF_image_h
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#define __QF_image_h
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#include "QF/qtypes.h"
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typedef enum QFFormat {
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tex_palette = 0,
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tex_l = 0x1909, //GL_LUMINANCE
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tex_a = 0x1906, //GL_ALPHA
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tex_la = 2,
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tex_rgb = 3,
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tex_rgba = 4,
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tex_frgba = 5,
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} QFFormat;
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// could not use texture_t as that is used for models.
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typedef struct tex_s {
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int width;
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int height;
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QFFormat format;
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union {
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struct {
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int loaded:1; // 0 if size info only, otherwise data loaded
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int flipped:1; // 1 if first pixel is bottom instead of top
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int bgr:1; // 1 if image is bgr (for tex_rgb)
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};
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int flagbits; // for eazy zeroing
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};
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const byte *palette; // 0 = 32 bit, otherwise 8
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byte *data;
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} tex_t;
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tex_t *LoadImage (const char *imageFile, int load);
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size_t ImageSize (const tex_t *tex, int incl_struct) __attribute__((pure));
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typedef struct colcache_s colcache_t;
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colcache_t *ColorCache_New (void);
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void ColorCache_Delete (colcache_t *cache);
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void ColorCache_Shutdown (void);
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byte ConvertColor (const byte *rgb, const byte *pal, colcache_t *cache);
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tex_t *ConvertImage (const tex_t *tex, const byte *pal);
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#endif//__QF_image_h
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