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Diffstat (limited to 'gs/jasper/src/libjasper/pnm/pnm_cod.h')
| -rw-r--r-- | gs/jasper/src/libjasper/pnm/pnm_cod.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/gs/jasper/src/libjasper/pnm/pnm_cod.h b/gs/jasper/src/libjasper/pnm/pnm_cod.h new file mode 100644 index 000000000..4c806d762 --- /dev/null +++ b/gs/jasper/src/libjasper/pnm/pnm_cod.h @@ -0,0 +1,156 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * Copyright (c) 2001-2003 Michael David Adams + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Portable Pixmap/Graymap Format Support + * + * $Id$ + */ + +#ifndef PNM_COD_H +#define PNM_COD_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_types.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* Magic numbers. */ +#define PNM_MAGIC_TXTPBM 0x5031 /* Text Portable BitMap (P1) */ +#define PNM_MAGIC_TXTPGM 0x5032 /* Text Portable GrayMap (P2) */ +#define PNM_MAGIC_TXTPPM 0x5033 /* Text Portable PixMap (P3) */ +#define PNM_MAGIC_BINPBM 0x5034 /* Binary Portable BitMap (P4) */ +#define PNM_MAGIC_BINPGM 0x5035 /* Binary Portable GrayMap (P5) */ +#define PNM_MAGIC_BINPPM 0x5036 /* Binary Portable PixMap (P6) */ +#define PNM_MAGIC_PAM 0x5037 /* PAM (P7) */ + +/* Type of image data. */ +#define PNM_TYPE_PPM 0 /* PixMap */ +#define PNM_TYPE_PGM 1 /* GrayMap */ +#define PNM_TYPE_PBM 2 /* BitMap */ + +/* Format of image data. */ +#define PNM_FMT_TXT 0 /* Text */ +#define PNM_FMT_BIN 1 /* Binary */ + +#define PNM_MAXLINELEN 79 + +#define PNM_TUPLETYPE_UNKNOWN 0 +#define PNM_TUPLETYPE_MONO 1 +#define PNM_TUPLETYPE_GRAY 2 +#define PNM_TUPLETYPE_GRAYA 3 +#define PNM_TUPLETYPE_RGB 4 +#define PNM_TUPLETYPE_RGBA 5 + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* File header. */ + +typedef struct { + + int magic; + /* The magic number. */ + + int width; + /* The image width. */ + + int height; + /* The image height. */ + + int numcmpts; + + int maxval; + /* The maximum allowable sample value. */ + +#if 0 + int tupletype; +#endif + + jas_bool sgnd; + /* The sample data is signed. */ + +} pnm_hdr_t; + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +int pnm_type(uint_fast16_t magic); +/* Determine type (i.e., PGM or PPM) from magic number. */ + +int pnm_fmt(uint_fast16_t magic); +/* Determine format (i.e., text or binary) from magic number. */ + +int pnm_maxvaltodepth(uint_fast32_t maxval); +/* Determine depth (i.e., precision) from maximum value. */ + +#define PNM_ONES(n) \ + (((n) < 32) ? ((1UL << (n)) - 1) : 0xffffffffUL) +#endif |