ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/radiance/ray/src/meta/targa.h
Revision: 1.1
Committed: Sat Feb 22 02:07:26 2003 UTC (21 years, 2 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad3R5
Log Message:
Changes and check-in for 3.5 release
Includes new source files and modifications not recorded for many years
See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release

File Contents

# User Rev Content
1 greg 1.1 /* RCSid: $Id$ */
2     /*
3     * tardev.h - header file for reading and writing Targa format files.
4     *
5     * 8/25/88
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 */