peffile.cpp

00001 /*
00002  * libopenraw - peffile.cpp
00003  *
00004  * Copyright (C) 2006-2008 Hubert Figuiere
00005  *
00006  * This library is free software: you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public License
00008  * as published by the Free Software Foundation, either version 3 of
00009  * the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with this library.  If not, see
00018  * <http://www.gnu.org/licenses/>.
00019  */
00020 
00021 
00022 #include <iostream>
00023 #include <libopenraw++/thumbnail.h>
00024 #include <libopenraw++/rawdata.h>
00025 
00026 #include "debug.h"
00027 #include "ifd.h"
00028 #include "ifdfilecontainer.h"
00029 #include "ifddir.h"
00030 #include "ifdentry.h"
00031 #include "io/file.h"
00032 #include "peffile.h"
00033 
00034 using namespace Debug;
00035 
00036 namespace OpenRaw {
00037 
00038 
00039     namespace Internals {
00040         const struct IFDFile::camera_ids_t PEFFile::s_def[] = {
00041             { "PENTAX *ist D      ", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_PENTAX, 
00042                                                          OR_TYPEID_PENTAX_IST_D) },
00043             { "PENTAX *ist DL     ", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_PENTAX, 
00044                                                          OR_TYPEID_PENTAX_IST_DL) },
00045             { "PENTAX K10D        ", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_PENTAX, 
00046                                                          OR_TYPEID_PENTAX_K10D_PEF) },
00047             { "PENTAX K100D       ", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_PENTAX, 
00048                                                          OR_TYPEID_PENTAX_K100D_PEF) },
00049             { "PENTAX K100D Super ", OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_PENTAX, 
00050                                                          OR_TYPEID_PENTAX_K100D_PEF) },
00051             { 0, 0 }
00052         };
00053 
00054 
00055         RawFile *PEFFile::factory(IO::Stream *s)
00056         {
00057             return new PEFFile(s);
00058         }
00059 
00060         PEFFile::PEFFile(IO::Stream *s)
00061             : IFDFile(s, OR_RAWFILE_TYPE_PEF)
00062         {
00063             _setIdMap(s_def);
00064         }
00065 
00066 
00067         PEFFile::~PEFFile()
00068         {
00069         }
00070 
00071         IFDDir::Ref  PEFFile::_locateCfaIfd()
00072         {
00073             // in PEF the CFA IFD is the main IFD
00074             if(!m_mainIfd) {
00075                 m_mainIfd = _locateMainIfd();
00076             }
00077             return m_mainIfd;
00078         }
00079 
00080 
00081         IFDDir::Ref  PEFFile::_locateMainIfd()
00082         {
00083             return m_container->setDirectory(0);
00084         }
00085 
00086         ::or_error PEFFile::_getRawData(RawData & data, uint32_t /*options*/)
00087         {
00088             ::or_error err;
00089             if(!m_cfaIfd) {
00090                 m_cfaIfd = _locateCfaIfd();
00091             }
00092             err = _getRawDataFromDir(data, m_cfaIfd);
00093             if(err == OR_ERROR_NONE) {
00094                 uint16_t compression = 0;
00095                 m_cfaIfd->getValue(IFD::EXIF_TAG_COMPRESSION, compression);
00096                 switch(compression) {
00097                 case 1:
00098                     data.setDataType(OR_DATA_TYPE_CFA);
00099                     break;
00100                 case 65535:
00101                     // TODO decompress
00102                     break;
00103                 default:
00104                     break;
00105                 }
00106             }
00107             return err;
00108         }
00109     }
00110 }
00111 

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