--- /dev/null
+/*
+ * 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 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__
+ */
+
+/*
+ * Image Class
+ *
+ * $Id: jas_image.h,v 1.2 2008-05-26 09:41:51 vp153 Exp $
+ */
+
+#ifndef JAS_IMAGE_H
+#define JAS_IMAGE_H
+
+/******************************************************************************\
+* Includes.
+\******************************************************************************/
+
+#include <jasper/jas_config.h>
+#include <jasper/jas_stream.h>
+#include <jasper/jas_seq.h>
+#include <jasper/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
projects / opencv / blobdiff