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/*
* Copyright (c) 1999-2000 Image Power, Inc. and the University of
* British Columbia.
* Copyright (c) 2001-2003 Michael David Adams.
* All rights reserved.
*/
/* __START_OF_JASPER_LICENSE__
*
* JasPer Software License
*
* IMAGE POWER JPEG-2000 PUBLIC LICENSE
* ************************************
*
* GRANT:
*
* Permission is hereby granted, free of charge, to any person (the "User")
* obtaining a copy of this software and associated documentation, to deal
* in the JasPer Software without restriction, including without limitation
* the right to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the JasPer Software (in source and binary forms),
* and to permit persons to whom the JasPer Software is furnished to do so,
* provided further that the License Conditions below are met.
*
* License Conditions
* ******************
*
* A. Redistributions of source code must retain the above copyright notice,
* and this list of conditions, and the following disclaimer.
*
* B. Redistributions in binary form must reproduce the above copyright
* notice, and this list of conditions, and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* C. Neither the name of Image Power, Inc. nor any other contributor
* (including, but not limited to, the University of British Columbia and
* Michael David Adams) may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* D. User agrees that it shall not commence any action against Image Power,
* Inc., the University of British Columbia, Michael David Adams, or any
* other contributors (collectively "Licensors") for infringement of any
* intellectual property rights ("IPR") held by the User in respect of any
* technology that User owns or has a right to license or sublicense and
* which is an element required in order to claim compliance with ISO/IEC
* 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property
* rights worldwide arising under statutory or common law, and whether
* or not perfected, including, without limitation, all (i) patents and
* patent applications owned or licensable by User; (ii) rights associated
* with works of authorship including copyrights, copyright applications,
* copyright registrations, mask work rights, mask work applications,
* mask work registrations; (iii) rights relating to the protection of
* trade secrets and confidential information; (iv) any right analogous
* to those set forth in subsections (i), (ii), or (iii) and any other
* proprietary rights relating to intangible property (other than trademark,
* trade dress, or service mark rights); and (v) divisions, continuations,
* renewals, reissues and extensions of the foregoing (as and to the extent
* applicable) now existing, hereafter filed, issued or acquired.
*
* E. If User commences an infringement action against any Licensor(s) then
* such Licensor(s) shall have the right to terminate User's license and
* all sublicenses that have been granted hereunder by User to other parties.
*
* F. This software is for use only in hardware or software products that
* are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license
* or right to this Software is granted for products that do not comply
* with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased
* from the ISO.
*
* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
* NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
* THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND
* CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY
* OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
* WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE,
* IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING
* TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE
* OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING
* PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS.
* THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE
* IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE
* IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY
* OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY
* OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING,
* REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY,
* WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE
* INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC.,
* MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE
* JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO
* THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION,
* DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR
* MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF
* SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY
* OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT
* FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR
* RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING
* FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES,
* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT
* LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
* JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY
* TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE
* ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS
* OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT
* KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING
* TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS
* CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE
* NOTICE SPECIFIED IN THIS SECTION.
*
* __END_OF_JASPER_LICENSE__
*/
/*
* Image Class
*
* $Id: jas_image.h,v 1.1 2003/05/15 01:30:32 ace Exp $
*/
#ifndef JAS_IMAGE_H
#define JAS_IMAGE_H
/******************************************************************************\
* Includes.
\******************************************************************************/
#include "jas_config.h"
#include "jas_stream.h"
#include "jas_seq.h"
#include "jas_cm.h"
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************\
* Constants.
\******************************************************************************/
/*
* Miscellaneous constants.
*/
/* The threshold at which image data is no longer stored in memory. */
#define JAS_IMAGE_INMEMTHRESH (16 * 1024 * 1024)
/*
* Component types
*/
#define JAS_IMAGE_CT_UNKNOWN 0x10000
#define JAS_IMAGE_CT_COLOR(n) ((n) & 0x7fff)
#define JAS_IMAGE_CT_OPACITY 0x08000
#define JAS_IMAGE_CT_RGB_R 0
#define JAS_IMAGE_CT_RGB_G 1
#define JAS_IMAGE_CT_RGB_B 2
#define JAS_IMAGE_CT_YCBCR_Y 0
#define JAS_IMAGE_CT_YCBCR_CB 1
#define JAS_IMAGE_CT_YCBCR_CR 2
#define JAS_IMAGE_CT_GRAY_Y 0
/******************************************************************************\
* Simple types.
\******************************************************************************/
/* Image coordinate. */
typedef int_fast32_t jas_image_coord_t;
/* Color space (e.g., RGB, YCbCr). */
typedef int_fast16_t jas_image_colorspc_t;
/* Component type (e.g., color, opacity). */
typedef int_fast32_t jas_image_cmpttype_t;
/* Component sample data format (e.g., real/integer, signedness, precision). */
typedef int_fast16_t jas_image_smpltype_t;
/******************************************************************************\
* Image class and supporting classes.
\******************************************************************************/
/* Image component class. */
typedef struct {
jas_image_coord_t tlx_;
/* The x-coordinate of the top-left corner of the component. */
jas_image_coord_t tly_;
/* The y-coordinate of the top-left corner of the component. */
jas_image_coord_t hstep_;
/* The horizontal sampling period in units of the reference grid. */
jas_image_coord_t vstep_;
/* The vertical sampling period in units of the reference grid. */
jas_image_coord_t width_;
/* The component width in samples. */
jas_image_coord_t height_;
/* The component height in samples. */
#ifdef FIX_ME
int smpltype_;
#else
int prec_;
/* The precision of the sample data (i.e., the number of bits per
sample). If the samples are signed values, this quantity
includes the sign bit. */
int sgnd_;
/* The signedness of the sample data. */
#endif
jas_stream_t *stream_;
/* The stream containing the component data. */
int cps_;
/* The number of characters per sample in the stream. */
jas_image_cmpttype_t type_;
/* The type of component (e.g., opacity, red, green, blue, luma). */
} jas_image_cmpt_t;
/* Image class. */
typedef struct {
jas_image_coord_t tlx_;
/* The x-coordinate of the top-left corner of the image bounding box. */
jas_image_coord_t tly_;
/* The y-coordinate of the top-left corner of the image bounding box. */
jas_image_coord_t brx_;
/* The x-coordinate of the bottom-right corner of the image bounding
box (plus one). */
jas_image_coord_t bry_;
/* The y-coordinate of the bottom-right corner of the image bounding
box (plus one). */
int numcmpts_;
/* The number of components. */
int maxcmpts_;
/* The maximum number of components that this image can have (i.e., the
allocated size of the components array). */
jas_image_cmpt_t **cmpts_;
/* Per-component information. */
jas_clrspc_t clrspc_;
jas_cmprof_t *cmprof_;
bool inmem_;
} jas_image_t;
/* Component parameters class. */
/* This data type exists solely/mainly for the purposes of the
jas_image_create function. */
typedef struct {
jas_image_coord_t tlx;
/* The x-coordinate of the top-left corner of the component. */
jas_image_coord_t tly;
/* The y-coordinate of the top-left corner of the component. */
jas_image_coord_t hstep;
/* The horizontal sampling period in units of the reference grid. */
jas_image_coord_t vstep;
/* The vertical sampling period in units of the reference grid. */
jas_image_coord_t width;
/* The width of the component in samples. */
jas_image_coord_t height;
/* The height of the component in samples. */
#ifdef FIX_ME
int smpltype;
#else
int prec;
/* The precision of the component sample data. */
int sgnd;
/* The signedness of the component sample data. */
#endif
} jas_image_cmptparm_t;
/******************************************************************************\
* File format related classes.
\******************************************************************************/
#define JAS_IMAGE_MAXFMTS 32
/* The maximum number of image data formats supported. */
/* Image format-dependent operations. */
typedef struct {
jas_image_t *(*decode)(jas_stream_t *in, char *opts);
/* Decode image data from a stream. */
int (*encode)(jas_image_t *image, jas_stream_t *out, char *opts);
/* Encode image data to a stream. */
int (*validate)(jas_stream_t *in);
/* Determine if stream data is in a particular format. */
} jas_image_fmtops_t;
/* Image format information. */
typedef struct {
int id;
/* The ID for this format. */
char *name;
/* The name by which this format is identified. */
char *ext;
/* The file name extension associated with this format. */
char *desc;
/* A brief description of the format. */
jas_image_fmtops_t ops;
/* The operations for this format. */
} jas_image_fmtinfo_t;
/******************************************************************************\
* Image operations.
\******************************************************************************/
/* Create an image. */
jas_image_t *jas_image_create(int numcmpts,
jas_image_cmptparm_t *cmptparms, jas_clrspc_t clrspc);
/* Create an "empty" image. */
jas_image_t *jas_image_create0(void);
/* Clone an image. */
jas_image_t *jas_image_copy(jas_image_t *image);
/* Deallocate any resources associated with an image. */
void jas_image_destroy(jas_image_t *image);
/* Get the width of the image in units of the image reference grid. */
#define jas_image_width(image) \
((image)->brx_ - (image)->tlx_)
/* Get the height of the image in units of the image reference grid. */
#define jas_image_height(image) \
((image)->bry_ - (image)->tly_)
/* Get the x-coordinate of the top-left corner of the image bounding box
on the reference grid. */
#define jas_image_tlx(image) \
((image)->tlx_)
/* Get the y-coordinate of the top-left corner of the image bounding box
on the reference grid. */
#define jas_image_tly(image) \
((image)->tly_)
/* Get the x-coordinate of the bottom-right corner of the image bounding box
on the reference grid (plus one). */
#define jas_image_brx(image) \
((image)->brx_)
/* Get the y-coordinate of the bottom-right corner of the image bounding box
on the reference grid (plus one). */
#define jas_image_bry(image) \
((image)->bry_)
/* Get the number of image components. */
#define jas_image_numcmpts(image) \
((image)->numcmpts_)
/* Get the color model used by the image. */
#define jas_image_clrspc(image) \
((image)->clrspc_)
/* Set the color model for an image. */
#define jas_image_setclrspc(image, clrspc) \
((image)->clrspc_ = (clrspc))
#define jas_image_cmpttype(image, cmptno) \
((image)->cmpts_[(cmptno)]->type_)
#define jas_image_setcmpttype(image, cmptno, type) \
((image)->cmpts_[(cmptno)]->type_ = (type))
/* Get the width of a component. */
#define jas_image_cmptwidth(image, cmptno) \
((image)->cmpts_[cmptno]->width_)
/* Get the height of a component. */
#define jas_image_cmptheight(image, cmptno) \
((image)->cmpts_[cmptno]->height_)
/* Get the signedness of the sample data for a component. */
#define jas_image_cmptsgnd(image, cmptno) \
((image)->cmpts_[cmptno]->sgnd_)
/* Get the precision of the sample data for a component. */
#define jas_image_cmptprec(image, cmptno) \
((image)->cmpts_[cmptno]->prec_)
/* Get the horizontal subsampling factor for a component. */
#define jas_image_cmpthstep(image, cmptno) \
((image)->cmpts_[cmptno]->hstep_)
/* Get the vertical subsampling factor for a component. */
#define jas_image_cmptvstep(image, cmptno) \
((image)->cmpts_[cmptno]->vstep_)
/* Get the x-coordinate of the top-left corner of a component. */
#define jas_image_cmpttlx(image, cmptno) \
((image)->cmpts_[cmptno]->tlx_)
/* Get the y-coordinate of the top-left corner of a component. */
#define jas_image_cmpttly(image, cmptno) \
((image)->cmpts_[cmptno]->tly_)
/* Get the x-coordinate of the bottom-right corner of a component
(plus "one"). */
#define jas_image_cmptbrx(image, cmptno) \
((image)->cmpts_[cmptno]->tlx_ + (image)->cmpts_[cmptno]->width_ * \
(image)->cmpts_[cmptno]->hstep_)
/* Get the y-coordinate of the bottom-right corner of a component
(plus "one"). */
#define jas_image_cmptbry(image, cmptno) \
((image)->cmpts_[cmptno]->tly_ + (image)->cmpts_[cmptno]->height_ * \
(image)->cmpts_[cmptno]->vstep_)
/* Get the raw size of an image (i.e., the nominal size of the image without
any compression. */
uint_fast32_t jas_image_rawsize(jas_image_t *image);
/* Create an image from a stream in some specified format. */
jas_image_t *jas_image_decode(jas_stream_t *in, int fmt, char *optstr);
/* Write an image to a stream in a specified format. */
int jas_image_encode(jas_image_t *image, jas_stream_t *out, int fmt,
char *optstr);
/* Read a rectangular region of an image component. */
/* The position and size of the rectangular region to be read is specified
relative to the component's coordinate system. */
int jas_image_readcmpt(jas_image_t *image, int cmptno,
jas_image_coord_t x, jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height,
jas_matrix_t *data);
/* Write a rectangular region of an image component. */
int jas_image_writecmpt(jas_image_t *image, int cmptno,
jas_image_coord_t x, jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height,
jas_matrix_t *data);
/* Delete a component from an image. */
void jas_image_delcmpt(jas_image_t *image, int cmptno);
/* Add a component to an image. */
int jas_image_addcmpt(jas_image_t *image, int cmptno,
jas_image_cmptparm_t *cmptparm);
/* Copy a component from one image to another. */
int jas_image_copycmpt(jas_image_t *dstimage, int dstcmptno,
jas_image_t *srcimage, int srccmptno);
#define JAS_IMAGE_CDT_GETSGND(dtype) (((dtype) >> 7) & 1)
#define JAS_IMAGE_CDT_SETSGND(dtype) (((dtype) & 1) << 7)
#define JAS_IMAGE_CDT_GETPREC(dtype) ((dtype) & 0x7f)
#define JAS_IMAGE_CDT_SETPREC(dtype) ((dtype) & 0x7f)
#define jas_image_cmptdtype(image, cmptno) \
(JAS_IMAGE_CDT_SETSGND((image)->cmpts_[cmptno]->sgnd_) | JAS_IMAGE_CDT_SETPREC((image)->cmpts_[cmptno]->prec_))
int jas_image_depalettize(jas_image_t *image, int cmptno, int numlutents,
int_fast32_t *lutents, int dtype, int newcmptno);
int jas_image_readcmptsample(jas_image_t *image, int cmptno, int x, int y);
void jas_image_writecmptsample(jas_image_t *image, int cmptno, int x, int y,
int_fast32_t v);
int jas_image_getcmptbytype(jas_image_t *image, int ctype);
/******************************************************************************\
* Image format-related operations.
\******************************************************************************/
/* Clear the table of image formats. */
void jas_image_clearfmts(void);
/* Add entry to table of image formats. */
int jas_image_addfmt(int id, char *name, char *ext, char *desc,
jas_image_fmtops_t *ops);
/* Get the ID for the image format with the specified name. */
int jas_image_strtofmt(char *s);
/* Get the name of the image format with the specified ID. */
char *jas_image_fmttostr(int fmt);
/* Lookup image format information by the format ID. */
jas_image_fmtinfo_t *jas_image_lookupfmtbyid(int id);
/* Lookup image format information by the format name. */
jas_image_fmtinfo_t *jas_image_lookupfmtbyname(const char *name);
/* Guess the format of an image file based on its name. */
int jas_image_fmtfromname(char *filename);
/* Get the format of image data in a stream. */
int jas_image_getfmt(jas_stream_t *in);
#define jas_image_cmprof(image) ((image)->cmprof_)
int jas_image_ishomosamp(jas_image_t *image);
int jas_image_sampcmpt(jas_image_t *image, int cmptno, int newcmptno,
jas_image_coord_t ho, jas_image_coord_t vo, jas_image_coord_t hs,
jas_image_coord_t vs, int sgnd, int prec);
int jas_image_writecmpt2(jas_image_t *image, int cmptno, jas_image_coord_t x,
jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height,
long *buf);
int jas_image_readcmpt2(jas_image_t *image, int cmptno, jas_image_coord_t x,
jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height,
long *buf);
#define jas_image_setcmprof(image, cmprof) ((image)->cmprof_ = cmprof)
jas_image_t *jas_image_chclrspc(jas_image_t *image, jas_cmprof_t *outprof,
int intent);
void jas_image_dump(jas_image_t *image, FILE *out);
/******************************************************************************\
* Image format-dependent operations.
\******************************************************************************/
#if !defined(EXCLUDE_JPG_SUPPORT)
/* Format-dependent operations for JPG support. */
jas_image_t *jpg_decode(jas_stream_t *in, char *optstr);
int jpg_encode(jas_image_t *image, jas_stream_t *out, char *optstr);
int jpg_validate(jas_stream_t *in);
#endif
#if !defined(EXCLUDE_MIF_SUPPORT)
/* Format-dependent operations for MIF support. */
jas_image_t *mif_decode(jas_stream_t *in, char *optstr);
int mif_encode(jas_image_t *image, jas_stream_t *out, char *optstr);
int mif_validate(jas_stream_t *in);
#endif
#if !defined(EXCLUDE_PNM_SUPPORT)
/* Format-dependent operations for PNM support. */
jas_image_t *pnm_decode(jas_stream_t *in, char *optstr);
int pnm_encode(jas_image_t *image, jas_stream_t *out, char *optstr);
int pnm_validate(jas_stream_t *in);
#endif
#if !defined(EXCLUDE_RAS_SUPPORT)
/* Format-dependent operations for Sun Rasterfile support. */
jas_image_t *ras_decode(jas_stream_t *in, char *optstr);
int ras_encode(jas_image_t *image, jas_stream_t *out, char *optstr);
int ras_validate(jas_stream_t *in);
#endif
#if !defined(EXCLUDE_BMP_SUPPORT)
/* Format-dependent operations for BMP support. */
jas_image_t *bmp_decode(jas_stream_t *in, char *optstr);
int bmp_encode(jas_image_t *image, jas_stream_t *out, char *optstr);
int bmp_validate(jas_stream_t *in);
#endif
#if !defined(EXCLUDE_JP2_SUPPORT)
/* Format-dependent operations for JP2 support. */
jas_image_t *jp2_decode(jas_stream_t *in, char *optstr);
int jp2_encode(jas_image_t *image, jas_stream_t *out, char *optstr);
int jp2_validate(jas_stream_t *in);
#endif
#if !defined(EXCLUDE_JPC_SUPPORT)
/* Format-dependent operations for JPEG-2000 code stream support. */
jas_image_t *jpc_decode(jas_stream_t *in, char *optstr);
int jpc_encode(jas_image_t *image, jas_stream_t *out, char *optstr);
int jpc_validate(jas_stream_t *in);
#endif
#if !defined(EXCLUDE_PGX_SUPPORT)
/* Format-dependent operations for PGX support. */
jas_image_t *pgx_decode(jas_stream_t *in, char *optstr);
int pgx_encode(jas_image_t *image, jas_stream_t *out, char *optstr);
int pgx_validate(jas_stream_t *in);
#endif
#ifdef __cplusplus
}
#endif
#endif