/* * 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) 2001-2006 Michael David Adams * Copyright (c) 1999-2000 Image Power, Inc. * Copyright (c) 1999-2000 The University of British Columbia *  * 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__ */ /* * JP2 Library * * $Id$ */ #ifndef JP2_COD_H#define JP2_COD_H /******************************************************************************\* Includes.\******************************************************************************/ #include "jasper/jas_types.h"#include "jasper/jas_stream.h"#include "jasper/jas_image.h" /******************************************************************************\* Macros.\******************************************************************************/ #define	JP2_SPTOBPC(s, p) \	((((p) - 1) & 0x7f) | (((s) & 1) << 7)) /******************************************************************************\* Box class.\******************************************************************************/ #define	JP2_BOX_HDRLEN(ext) ((ext) ? 16 : 8) /* Box types. */#define	JP2_BOX_JP		0x6a502020	/* Signature */#define JP2_BOX_FTYP	0x66747970	/* File Type */#define	JP2_BOX_JP2H	0x6a703268	/* JP2 Header */#define	JP2_BOX_IHDR	0x69686472	/* Image Header */#define	JP2_BOX_BPCC	0x62706363	/* Bits Per Component */#define	JP2_BOX_COLR	0x636f6c72	/* Color Specification */#define	JP2_BOX_PCLR	0x70636c72	/* Palette */#define	JP2_BOX_CMAP	0x636d6170	/* Component Mapping */#define	JP2_BOX_CDEF	0x63646566	/* Channel Definition */#define	JP2_BOX_RES		0x72657320	/* Resolution */#define	JP2_BOX_RESC	0x72657363	/* Capture Resolution */#define	JP2_BOX_RESD	0x72657364	/* Default Display Resolution */#define	JP2_BOX_JP2C	0x6a703263	/* Contiguous Code Stream */#define	JP2_BOX_JP2I	0x6a703269	/* Intellectual Property */#define	JP2_BOX_XML		0x786d6c20	/* XML */#define	JP2_BOX_UUID	0x75756964	/* UUID */#define	JP2_BOX_UINF	0x75696e66	/* UUID Info */#define	JP2_BOX_ULST	0x75637374	/* UUID List */#define	JP2_BOX_URL		0x75726c20	/* URL */ #define	JP2_BOX_SUPER	0x01#define	JP2_BOX_NODATA	0x02 /* JP box data. */ #define	JP2_JP_MAGIC	0x0d0a870a#define	JP2_JP_LEN		12 typedef struct {	uint_fast32_t magic;} jp2_jp_t; /* FTYP box data. */ #define	JP2_FTYP_MAXCOMPATCODES	32#define	JP2_FTYP_MAJVER		0x6a703220#define	JP2_FTYP_MINVER		0#define	JP2_FTYP_COMPATCODE		JP2_FTYP_MAJVER typedef struct {	uint_fast32_t majver;	uint_fast32_t minver;	uint_fast32_t numcompatcodes;	uint_fast32_t compatcodes[JP2_FTYP_MAXCOMPATCODES];} jp2_ftyp_t; /* IHDR box data. */ #define	JP2_IHDR_COMPTYPE	7#define	JP2_IHDR_BPCNULL	255 typedef struct {	uint_fast32_t width;	uint_fast32_t height;	uint_fast16_t numcmpts;	uint_fast8_t bpc;	uint_fast8_t comptype;	uint_fast8_t csunk;	uint_fast8_t ipr;} jp2_ihdr_t; /* BPCC box data. */ typedef struct {	uint_fast16_t numcmpts;	uint_fast8_t *bpcs;} jp2_bpcc_t; /* COLR box data. */ #define	JP2_COLR_ENUM	1#define	JP2_COLR_ICC	2#define	JP2_COLR_PRI	0 #define	JP2_COLR_SRGB	16#define	JP2_COLR_SGRAY	17#define	JP2_COLR_SYCC	18 typedef struct {	uint_fast8_t method;	uint_fast8_t pri;	uint_fast8_t approx;	uint_fast32_t csid;	uint_fast8_t *iccp;	size_t iccplen;	/* XXX - Someday we ought to add ICC profile data here. */} jp2_colr_t; /* PCLR box data. */ typedef struct {	uint_fast16_t numlutents;	uint_fast8_t numchans;	int_fast32_t *lutdata;	uint_fast8_t *bpc;} jp2_pclr_t; /* CDEF box per-channel data. */ #define JP2_CDEF_RGB_R	1#define JP2_CDEF_RGB_G	2#define JP2_CDEF_RGB_B	3 #define JP2_CDEF_YCBCR_Y	1#define JP2_CDEF_YCBCR_CB	2#define JP2_CDEF_YCBCR_CR	3 #define	JP2_CDEF_GRAY_Y	1 #define	JP2_CDEF_TYPE_COLOR	0#define	JP2_CDEF_TYPE_OPACITY	1#define	JP2_CDEF_TYPE_UNSPEC	65535#define	JP2_CDEF_ASOC_ALL	0#define	JP2_CDEF_ASOC_NONE	65535 typedef struct {	uint_fast16_t channo;	uint_fast16_t type;	uint_fast16_t assoc;} jp2_cdefchan_t; /* CDEF box data. */ typedef struct {	uint_fast16_t numchans;	jp2_cdefchan_t *ents;} jp2_cdef_t; typedef struct {	uint_fast16_t cmptno;	uint_fast8_t map;	uint_fast8_t pcol;} jp2_cmapent_t; typedef struct {	uint_fast16_t numchans;	jp2_cmapent_t *ents;} jp2_cmap_t; #define	JP2_CMAP_DIRECT		0#define	JP2_CMAP_PALETTE	1 /* Generic box. */ struct jp2_boxops_s;typedef struct { 	const struct jp2_boxops_s *ops;	const struct jp2_boxinfo_s *info; 	uint_fast32_t type; 	/* The length of the box including the (variable-length) header. */	uint_fast32_t len; 	/* The length of the box data. */	uint_fast32_t datalen; 	union {		jp2_jp_t jp;		jp2_ftyp_t ftyp;		jp2_ihdr_t ihdr;		jp2_bpcc_t bpcc;		jp2_colr_t colr;		jp2_pclr_t pclr;		jp2_cdef_t cdef;		jp2_cmap_t cmap;	} data; } jp2_box_t; typedef struct jp2_boxops_s {	void (*init)(jp2_box_t *box);	void (*destroy)(jp2_box_t *box);	int (*getdata)(jp2_box_t *box, jas_stream_t *in);	int (*putdata)(const jp2_box_t *box, jas_stream_t *out);	void (*dumpdata)(const jp2_box_t *box);} jp2_boxops_t; /******************************************************************************\*\******************************************************************************/ typedef struct jp2_boxinfo_s {	int type;	int flags;	const char *name;	jp2_boxops_t ops;} jp2_boxinfo_t; /******************************************************************************\* Box class.\******************************************************************************/ jp2_box_t *jp2_box_create(int type);void jp2_box_destroy(jp2_box_t *box);jp2_box_t *jp2_box_get(jas_stream_t *in);int jp2_box_put(jp2_box_t *box, jas_stream_t *out); JAS_ATTRIBUTE_CONSTstatic inline uint_least8_t JP2_DTYPETOBPC(uint_least8_t dtype){	return (JAS_IMAGE_CDT_GETSGND(dtype) << 7) | (JAS_IMAGE_CDT_GETPREC(dtype) - 1);} JAS_ATTRIBUTE_CONSTstatic inline uint_least8_t JP2_BPCTODTYPE(uint_least8_t bpc){	return JAS_IMAGE_CDT_SETSGND(bpc >> 7) | JAS_IMAGE_CDT_SETPREC((bpc & 0x7f) + 1);} #define ICC_CS_RGB	0x52474220#define ICC_CS_YCBCR	0x59436272#define ICC_CS_GRAY	0x47524159 const jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo); #endif