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https://github.com/libretro/libretro-tyrquake.git
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cee4b1e31c
We allow for a "stride" parameter so that sub-pics can be used and a simple boolean to indicate if alpha is enabled or not for palette index 255. Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2013 Kevin Shanahan and others
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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 the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef QPIC_H
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#define QPIC_H
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#include <stdint.h>
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#include "qtypes.h"
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/*
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* QPic8 - if alpha is true, palette index 255 is transparent
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*/
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typedef struct {
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int width;
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int height;
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int stride;
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qboolean alpha;
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byte *pixels;
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} qpic8_t;
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typedef union {
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uint32_t rgba;
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struct {
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byte red;
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byte green;
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byte blue;
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byte alpha;
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};
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} qpixel32_t;
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typedef struct {
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int width;
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int height;
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qpixel32_t pixels[];
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} qpic32_t;
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/* Allocate hunk space for a texture */
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qpic32_t *QPic32_Alloc(int width, int height);
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/* Create 32 bit texture from 8 bit source */
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void QPic_8to32(const byte *in, int width, int height, int stride,
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qboolean alpha, qpic32_t *out);
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/* Stretch from in size to out size */
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void QPic32_Stretch(const qpic32_t *in, qpic32_t *out);
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/* Shrink texture in place to next mipmap level */
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void QPic32_MipMap(qpic32_t *pic);
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#endif /* QPIC_H */
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