IM: im_format_jp2.h Source File
From IM - An Imaging Tool
im_format_jp2.h
Go to the documentation of this file.00001 /** \file 00002 * \brief Register the JP2 Format 00003 * 00004 * See Copyright Notice in im_lib.h 00005 */ 00006 00007 #ifndef __IM_FORMAT_JP2_H 00008 #define __IM_FORMAT_JP2_H 00009 00010 #if defined(__cplusplus) 00011 extern "C" { 00012 #endif 00013 00014 00015 /** \defgroup jp2 JP2 - JPEG-2000 JP2 File Format 00016 * \section Description 00017 * 00018 * \par 00019 * ISO/IEC 15444 (2000, 2003)\n 00020 * http://www.jpeg.org/ 00021 * \par 00022 * You must link the application with "im_jp2.lib" 00023 * and you must call the function \ref imFormatRegisterJP2 once 00024 * to register the format into the IM core library. \n 00025 * \par 00026 * Access to the JPEG2000 file format uses libJasper version 1.900.1 \n 00027 * http://www.ece.uvic.ca/~mdadams/jasper \n 00028 * Copyright (c) 2001-2006 Michael David Adams. \n 00029 * and GeoJasPer 1.4.0 \n 00030 * Copyright (c) 2003-2007 Dmitry V. Fedorov. \n 00031 * http://www.dimin.net/software/geojasper/ \n 00032 * 00033 * \par 00034 * See \ref im_format_jp2.h 00035 * 00036 * \section Features 00037 * 00038 \verbatim 00039 Data Types: Byte and UShort 00040 Color Spaces: Binary, Gray, RGB, YCbCr, Lab and XYZ 00041 Compressions: 00042 JPEG-2000 - ISO JPEG 2000 [default] 00043 Only one image. 00044 Can have an alpha channel. 00045 Internally the components are always unpacked. 00046 Internally the lines are arranged from top down to bottom. 00047 Handle(1) returns jas_image_t* 00048 Handle(2) returns jas_stream_t* 00049 00050 Attributes: 00051 CompressionRatio IM_FLOAT (1) [write only, example: Ratio=7 just like 7:1] 00052 GeoTIFFBox IM_BYTE (n) 00053 XMLPacket IM_BYTE (n) 00054 00055 Comments: 00056 We read code stream syntax and JP2, but we write always as JP2. 00057 Used definitions EXCLUDE_JPG_SUPPORT,EXCLUDE_MIF_SUPPORT, 00058 EXCLUDE_PNM_SUPPORT,EXCLUDE_RAS_SUPPORT, 00059 EXCLUDE_BMP_SUPPORT,EXCLUDE_PGX_SUPPORT 00060 Changed jas_config.h to match our needs. 00061 New file jas_binfile.c 00062 Changed base/jas_stream.c to export jas_stream_create and jas_stream_initbuf. 00063 Changed jp2/jp2_dec.c and jpc/jpc_cs.c to remove "uint" and "ulong" usage. 00064 The counter is restarted many times, because it has many phases. 00065 \endverbatim 00066 * \ingroup format */ 00067 00068 /** Register the JP2 Format 00069 * \ingroup jp2 */ 00070 void imFormatRegisterJP2(void); 00071 00072 00073 #if defined(__cplusplus) 00074 } 00075 #endif 00076 00077 #endif