| 1 | greg | 1.1 | /* Copyright 1988 Regents of the University of California */ | 
| 2 |  |  |  | 
| 3 |  |  | /* SCCSid "$SunId$ LBL" */ | 
| 4 |  |  |  | 
| 5 |  |  | /* | 
| 6 |  |  | *  tardev.h - header file for reading and writing Targa format files. | 
| 7 |  |  | * | 
| 8 |  |  | *      8/25/88 | 
| 9 |  |  | */ | 
| 10 |  |  | /* header structure adapted from tardev.h */ | 
| 11 |  |  | struct hdStruct { | 
| 12 |  |  | char textSize;                  /* size of info. line ( < 256) */ | 
| 13 |  |  | char mapType;                   /* color map type */ | 
| 14 |  |  | char dataType;                  /* data type */ | 
| 15 |  |  | int  mapOrig;                   /* first color index */ | 
| 16 |  |  | int  mapLength;                 /* length of file map */ | 
| 17 |  |  | char CMapBits;                  /* bits per map entry */ | 
| 18 |  |  | int  XOffset;                   /* picture offset */ | 
| 19 |  |  | int  YOffset; | 
| 20 |  |  | int  x;                         /* picture size */ | 
| 21 |  |  | int  y; | 
| 22 |  |  | int  dataBits;                  /* bits per pixel */ | 
| 23 |  |  | int  imType;                    /* image descriptor byte */ | 
| 24 |  |  | }; | 
| 25 |  |  |  | 
| 26 |  |  | #define  IM_NODATA      0               /* no data included */ | 
| 27 |  |  | #define  IM_CMAP        1               /* color-mapped */ | 
| 28 |  |  | #define  IM_RGB         2               /* straight RGB */ | 
| 29 |  |  | #define  IM_MONO        3               /* straight monochrome */ | 
| 30 |  |  | #define  IM_CCMAP       9               /* compressed color-mapped */ | 
| 31 |  |  | #define  IM_CRGB        10              /* compressed RGB */ | 
| 32 |  |  | #define  IM_CMONO       11              /* compressed monochrome */ | 
| 33 |  |  |  | 
| 34 |  |  | /* color map types */ | 
| 35 |  |  | #define  CM_NOMAP       0               /* no color map */ | 
| 36 |  |  | #define  CM_HASMAP      1               /* has color map */ | 
| 37 |  |  |  | 
| 38 |  |  | #define  bits_bytes(n)  (((n)+7)>>3)    /* number of bits to number of bytes */ |