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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
commit | 3c57dd931145d43f2b0aef96c4d178135956bf91 (patch) | |
tree | 3de698981e9f0cc2c4f9569b19a5f3595e741f6b /plug-ins/file-sgi/sgi-lib.h | |
parent | Initial commit. (diff) | |
download | gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip |
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plug-ins/file-sgi/sgi-lib.h')
-rw-r--r-- | plug-ins/file-sgi/sgi-lib.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/plug-ins/file-sgi/sgi-lib.h b/plug-ins/file-sgi/sgi-lib.h new file mode 100644 index 0000000..e2fc44d --- /dev/null +++ b/plug-ins/file-sgi/sgi-lib.h @@ -0,0 +1,93 @@ +/* + * SGI image file format library definitions. + * + * Copyright 1997-1998 Michael Sweet (mike@easysw.com) + * + * 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 3 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, see <https://www.gnu.org/licenses/>. + */ + +#ifndef __SGI_LIB_H__ +#define __SGI_LIB_H__ + +G_BEGIN_DECLS + +/* + * Constants... + */ + +# define SGI_MAGIC 474 /* Magic number in image file */ + +# define SGI_READ 0 /* Read from an SGI image file */ +# define SGI_WRITE 1 /* Write to an SGI image file */ + +# define SGI_COMP_NONE 0 /* No compression */ +# define SGI_COMP_RLE 1 /* Run-length encoding */ +# define SGI_COMP_ARLE 2 /* Aggressive run-length encoding */ + + +/* + * Image structure... + */ + +typedef struct +{ + FILE *file; /* Image file */ + int mode, /* File open mode */ + bpp, /* Bytes per pixel/channel */ + comp, /* Compression */ + swapBytes; /* SwapBytes flag */ + unsigned short xsize, /* Width in pixels */ + ysize, /* Height in pixels */ + zsize; /* Number of channels */ + long firstrow, /* File offset for first row */ + nextrow, /* File offset for next row */ + **table, /* Offset table for compression */ + **length; /* Length table for compression */ + unsigned short *arle_row; /* Advanced RLE compression buffer */ + long arle_offset, /* Advanced RLE buffer offset */ + arle_length; /* Advanced RLE buffer length */ +} sgi_t; + + +/* + * Prototypes... + */ + +extern int sgiClose (sgi_t *sgip); +extern int sgiGetRow (sgi_t *sgip, + unsigned short *row, + int y, + int z); +extern sgi_t *sgiOpen (const char *filename, + int mode, + int comp, + int bpp, + int xsize, + int ysize, + int zsize); +extern sgi_t *sgiOpenFile (FILE *file, + int mode, + int comp, + int bpp, + int xsize, + int ysize, + int zsize); +extern int sgiPutRow (sgi_t *sgip, + unsigned short *row, + int y, + int z); + +G_END_DECLS + +#endif /* !__SGI_LIB_H__ */ |