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/* Copyright 1988 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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|
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/* |
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* tardev.h - header file for reading and writing Targa format files. |
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* |
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* 8/25/88 |
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*/ |
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/* header structure adapted from tardev.h */ |
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struct hdStruct { |
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char textSize; /* size of info. line ( < 256) */ |
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char mapType; /* color map type */ |
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char dataType; /* data type */ |
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int mapOrig; /* first color index */ |
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int mapLength; /* length of file map */ |
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char CMapBits; /* bits per map entry */ |
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int XOffset; /* picture offset */ |
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int YOffset; |
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int x; /* picture size */ |
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int y; |
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int dataBits; /* bits per pixel */ |
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int imType; /* image descriptor byte */ |
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}; |
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|
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#define IM_NODATA 0 /* no data included */ |
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#define IM_CMAP 1 /* color-mapped */ |
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#define IM_RGB 2 /* straight RGB */ |
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#define IM_MONO 3 /* straight monochrome */ |
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#define IM_CCMAP 9 /* compressed color-mapped */ |
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#define IM_CRGB 10 /* compressed RGB */ |
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#define IM_CMONO 11 /* compressed monochrome */ |
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|
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/* color map types */ |
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#define CM_NOMAP 0 /* no color map */ |
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#define CM_HASMAP 1 /* has color map */ |
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#define bits_bytes(n) (((n)+7)>>3) /* number of bits to number of bytes */ |
