src/common/targa.h

/* RCSid: $Id$ */
/*
 *  tardev.h - header file for reading and writing Targa format files.
 */
/* ====================================================================
 * The Radiance Software License, Version 1.0
 *
 * Copyright (c) 1990 - 2002 The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory.   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *           if any, must include the following acknowledgment:
 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
 *                 developed by the Lawrence Berkeley National Laboratory
 *               (http://www.lbl.gov/)."
 *       Alternately, this acknowledgment may appear in the software itself,
 *       if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
 *       and "The Regents of the University of California" must
 *       not be used to endorse or promote products derived from this
 *       software without prior written permission. For written
 *       permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Radiance",
 *       nor may "Radiance" appear in their name, without prior written
 *       permission of Lawrence Berkeley National Laboratory.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
 * information on Lawrence Berkeley National Laboratory, please see
 * <http://www.lbl.gov/>.
 */

                        /* header structure adapted from tardev.h */
struct hdStruct {
        char textSize;                  /* size of info. line ( < 256) */
        char mapType;                   /* color map type */
        char dataType;                  /* data type */
        int  mapOrig;                   /* first color index */
        int  mapLength;                 /* length of file map */
        char CMapBits;                  /* bits per map entry */
        int  XOffset;                   /* picture offset */
        int  YOffset;
        int  x;                         /* picture size */
        int  y;
        int  dataBits;                  /* bits per pixel */
        int  imType;                    /* image descriptor byte */
};

#define  IM_NODATA      0               /* no data included */
#define  IM_CMAP        1               /* color-mapped */
#define  IM_RGB         2               /* straight RGB */
#define  IM_MONO        3               /* straight monochrome */
#define  IM_CCMAP       9               /* compressed color-mapped */
#define  IM_CRGB        10              /* compressed RGB */
#define  IM_CMONO       11              /* compressed monochrome */

                                /* color map types */
#define  CM_NOMAP       0               /* no color map */
#define  CM_HASMAP      1               /* has color map */

#define  bits_bytes(n)  (((n)+7)>>3)    /* number of bits to number of bytes */
Revision:	2.2
Committed:	Sat Feb 22 02:07:22 2003 UTC (21 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.1:	+57 -5 lines
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
#	User	Rev	Content
1	greg	2.2	/* RCSid: $Id$ */
2	greg	1.1	/*
3			* tardev.h - header file for reading and writing Targa format files.
4	greg	2.2	*/
5			/* ====================================================================
6			* The Radiance Software License, Version 1.0
7			*
8			* Copyright (c) 1990 - 2002 The Regents of the University of California,
9			* through Lawrence Berkeley National Laboratory. All rights reserved.
10			*
11			* Redistribution and use in source and binary forms, with or without
12			* modification, are permitted provided that the following conditions
13			* are met:
14			*
15			* 1. Redistributions of source code must retain the above copyright
16			* notice, this list of conditions and the following disclaimer.
17	greg	1.1	*
18	greg	2.2	* 2. Redistributions in binary form must reproduce the above copyright
19			* notice, this list of conditions and the following disclaimer in
20			* the documentation and/or other materials provided with the
21			* distribution.
22			*
23			* 3. The end-user documentation included with the redistribution,
24			* if any, must include the following acknowledgment:
25			* "This product includes Radiance software
26			* (http://radsite.lbl.gov/)
27			* developed by the Lawrence Berkeley National Laboratory
28			* (http://www.lbl.gov/)."
29			* Alternately, this acknowledgment may appear in the software itself,
30			* if and wherever such third-party acknowledgments normally appear.
31			*
32			* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
33			* and "The Regents of the University of California" must
34			* not be used to endorse or promote products derived from this
35			* software without prior written permission. For written
36			* permission, please contact [email protected].
37			*
38			* 5. Products derived from this software may not be called "Radiance",
39			* nor may "Radiance" appear in their name, without prior written
40			* permission of Lawrence Berkeley National Laboratory.
41			*
42			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
43			* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
44			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
45			* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
46			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48			* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
49			* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
50			* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
51			* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
52			* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53			* SUCH DAMAGE.
54			* ====================================================================
55			*
56			* This software consists of voluntary contributions made by many
57			* individuals on behalf of Lawrence Berkeley National Laboratory. For more
58			* information on Lawrence Berkeley National Laboratory, please see
59			* <http://www.lbl.gov/>.
60	greg	1.1	*/
61	greg	2.2
62	greg	1.1	/* header structure adapted from tardev.h */
63			struct hdStruct {
64			char textSize; /* size of info. line ( < 256) */
65			char mapType; /* color map type */
66			char dataType; /* data type */
67			int mapOrig; /* first color index */
68			int mapLength; /* length of file map */
69			char CMapBits; /* bits per map entry */
70			int XOffset; /* picture offset */
71			int YOffset;
72			int x; /* picture size */
73			int y;
74			int dataBits; /* bits per pixel */
75			int imType; /* image descriptor byte */
76			};
77
78			#define IM_NODATA 0 /* no data included */
79			#define IM_CMAP 1 /* color-mapped */
80			#define IM_RGB 2 /* straight RGB */
81			#define IM_MONO 3 /* straight monochrome */
82			#define IM_CCMAP 9 /* compressed color-mapped */
83			#define IM_CRGB 10 /* compressed RGB */
84			#define IM_CMONO 11 /* compressed monochrome */
85
86			/* color map types */
87			#define CM_NOMAP 0 /* no color map */
88			#define CM_HASMAP 1 /* has color map */
89
90			#define bits_bytes(n) (((n)+7)>>3) /* number of bits to number of bytes */