/* * 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	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