Image Component Library (ICL)
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00001 /******************************************************************** 00002 ** Image Component Library (ICL) ** 00003 ** ** 00004 ** Copyright (C) 2006-2013 CITEC, University of Bielefeld ** 00005 ** Neuroinformatics Group ** 00006 ** Website: www.iclcv.org and ** 00007 ** http://opensource.cit-ec.de/projects/icl ** 00008 ** ** 00009 ** File : ICLIO/src/ICLIO/JPEGHandle.h ** 00010 ** Module : ICLIO ** 00011 ** Authors: Christof Elbrechter ** 00012 ** ** 00013 ** ** 00014 ** GNU LESSER GENERAL PUBLIC LICENSE ** 00015 ** This file may be used under the terms of the GNU Lesser General ** 00016 ** Public License version 3.0 as published by the ** 00017 ** ** 00018 ** Free Software Foundation and appearing in the file LICENSE.LGPL ** 00019 ** included in the packaging of this file. Please review the ** 00020 ** following information to ensure the license requirements will ** 00021 ** be met: http://www.gnu.org/licenses/lgpl-3.0.txt ** 00022 ** ** 00023 ** The development of this software was supported by the ** 00024 ** Excellence Cluster EXC 277 Cognitive Interaction Technology. ** 00025 ** The Excellence Cluster EXC 277 is a grant of the Deutsche ** 00026 ** Forschungsgemeinschaft (DFG) in the context of the German ** 00027 ** Excellence Initiative. ** 00028 ** ** 00029 ********************************************************************/ 00030 00031 #pragma once 00032 00033 #ifdef ICL_HAVE_LIBJPEG 00034 00035 #include <ICLUtils/CompatMacros.h> 00036 #include <stdio.h> 00037 #include <jerror.h> 00038 #include <jpeglib.h> 00039 #include <setjmp.h> 00040 00041 00043 namespace icl{ 00044 namespace io{ 00045 00046 // returns controll to the caller 00047 struct icl_jpeg_error_mgr : jpeg_error_mgr { 00048 jmp_buf setjmp_buffer; 00049 }; 00050 00051 // passes controll back to the caller 00052 ICLIO_API void icl_jpeg_error_exit(j_common_ptr cinfo); 00053 00054 // }}} 00055 00056 00058 struct ICLIO_API JPEGDataHandle{ 00059 inline JPEGDataHandle(){ 00060 info.err = jpeg_std_error(&em); 00061 em.error_exit = icl_jpeg_error_exit; 00062 } 00063 struct jpeg_decompress_struct info; 00064 struct icl_jpeg_error_mgr em; 00065 }; 00066 00067 } // namespace io 00068 }// namespace icl 00069 00072 #else // not ICL_HAVE_LIBJPEG 00073 namespace icl{ 00074 namespace io{ 00076 struct JPEGDataHandle{}; 00078 } // namespace io 00079 } 00080 #endif // not ICL_HAVE_LIBJPEG