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