| /* $Id: image.h,v 1.1 1999/08/19 00:55:41 jtg Exp $ */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 3.1 |
| * |
| * Copyright (C) 1999 Brian Paul All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| |
| |
| |
| |
| #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_sizeof_packed_type( GLenum type ); |
| |
| extern GLint gl_components_in_format( GLenum format ); |
| |
| extern GLint gl_bytes_per_pixel( GLenum format, GLenum type ); |
| |
| extern GLboolean gl_is_legal_format_and_type( GLenum format, GLenum type ); |
| |
| |
| 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, |
| const struct gl_pixelstore_attrib *packing ); |
| |
| |
| 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, |
| const struct gl_pixelstore_attrib *packing ); |
| |
| |
| |
| struct gl_image * |
| gl_unpack_image3D( GLcontext *ctx, GLint width, GLint height,GLint depth, |
| GLenum srcFormat, GLenum srcType, const GLvoid *pixels, |
| const struct gl_pixelstore_attrib *packing ); |
| |
| |
| extern void |
| gl_pack_rgba_span( const GLcontext *ctx, |
| GLuint n, CONST GLubyte rgba[][4], |
| GLenum format, GLenum type, GLvoid *dest, |
| const struct gl_pixelstore_attrib *packing, |
| GLboolean applyTransferOps ); |
| |
| |
| 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 |