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image.h
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1999-02-04
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/* $Id: image.h,v 3.4 1998/08/21 02:41:39 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.0
* Copyright (C) 1995-1998 Brian Paul
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* $Log: image.h,v $
* Revision 3.4 1998/08/21 02:41:39 brianp
* added gl_pack/unpack_polygon_stipple()
*
* Revision 3.3 1998/07/26 17:24:18 brianp
* replaced const with CONST because of IRIX cc warning
*
* Revision 3.2 1998/07/17 03:24:53 brianp
* added gl_pack_rgba_span()
*
* Revision 3.1 1998/02/08 20:21:22 brianp
* added gl_unpack_bitmap()
*
* Revision 3.0 1998/01/31 20:54:19 brianp
* initial rev
*
*/
#ifndef IMAGE_H
#define IMAGE_H
#include "types.h"
extern void gl_flip_bytes( GLubyte *p, GLuint n );
extern void gl_swap2( GLushort *p, GLuint n );
extern void gl_swap4( GLuint *p, GLuint n );
extern GLint gl_sizeof_type( GLenum type );
extern GLint gl_components_in_format( GLenum format );
extern GLvoid *gl_pixel_addr_in_image(
const struct gl_pixelstore_attrib *packing,
const GLvoid *image, GLsizei width,
GLsizei height, GLenum format, GLenum type,
GLint img, GLint row, GLint column );
extern struct gl_image *gl_unpack_bitmap( GLcontext *ctx,
GLsizei width, GLsizei height,
const GLubyte *bitmap );
extern void gl_unpack_polygon_stipple( const GLcontext *ctx,
const GLubyte *pattern,
GLuint dest[32] );
extern void gl_pack_polygon_stipple( const GLcontext *ctx,
const GLuint pattern[32],
GLubyte *dest );
extern struct gl_image *gl_unpack_image( GLcontext *ctx,
GLint width, GLint height,
GLenum srcFormat, GLenum srcType,
const GLvoid *pixels );
struct gl_image *gl_unpack_image3D( GLcontext *ctx,
GLint width, GLint height,GLint depth,
GLenum srcFormat, GLenum srcType,
const GLvoid *pixels );
extern void gl_pack_rgba_span( const GLcontext *ctx,
GLuint n, CONST GLubyte rgba[][4],
GLenum format, GLenum type, GLvoid *dest);
extern void gl_free_image( struct gl_image *image );
extern GLboolean gl_image_error_test( GLcontext *ctx,
const struct gl_image *image,
const char *msg );
#endif