?? jas_image.h
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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 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 * * $Id$ */#ifndef JAS_IMAGE_H#define JAS_IMAGE_H
#ifdef _MSC_VER
#if _MSC_VER <= 1200
#pragma warning( disable : 4761)
#endif
#endif
/******************************************************************************\* 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 __cplusplusextern "C" {#endif/******************************************************************************\* Constants.\******************************************************************************//* * Miscellaneous constants. *//* The threshold at which image data is no longer stored in memory. */#define JAS_IMAGE_INMEMTHRESH (512 * 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. */
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