diff options
Diffstat (limited to 'kfile-plugins/raw/kcamerarawplugin.cpp')
-rw-r--r-- | kfile-plugins/raw/kcamerarawplugin.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/kfile-plugins/raw/kcamerarawplugin.cpp b/kfile-plugins/raw/kcamerarawplugin.cpp new file mode 100644 index 00000000..525e53ae --- /dev/null +++ b/kfile-plugins/raw/kcamerarawplugin.cpp @@ -0,0 +1,141 @@ +/* This file is part of the KDE project + * Copyright (C) Steffen Hansen <hansen@kde.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include "kcamerarawplugin.h" + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <klocale.h> +#include <kgenericfactory.h> +#include <kdebug.h> +#include <ktempfile.h> +#include <kimageio.h> +#include <qfile.h> +#include <qimage.h> +#include <qwmatrix.h> +#include <cstdio> + + +typedef KGenericFactory<KCameraRawPlugin> RawFactory; + +K_EXPORT_COMPONENT_FACTORY(kfile_raw, RawFactory("kfile_raw")) + +#ifndef KDE_EXPORT +# define KDE_EXPORT +#endif + +/* Main entry point into raw parser */ +extern "C" { + int extract_thumbnail( FILE*, FILE*, int* ); + extern char make[]; + extern char model[]; +} + +bool KCameraRawPlugin::createPreview(const QString &path, QImage &img) +{ + /* Open file and extract thumbnail */ + FILE* input = fopen( QFile::encodeName(path), "rb" ); + if( !input ) return false; + KTempFile output; + output.setAutoDelete(true); + int orientation = 0; + if( extract_thumbnail( input, output.fstream(), &orientation ) ) { + fclose(input); + return false; + } + fclose(input); + output.close(); + if( !img.load( output.name() ) ) return false; + + if(orientation) { + QWMatrix M; + QWMatrix flip= QWMatrix(-1,0,0,1,0,0); + switch(orientation+1) { // notice intentional fallthroughs + case 2: M = flip; break; + case 4: M = flip; + case 3: M.rotate(180); break; + case 5: M = flip; + case 6: M.rotate(90); break; + case 7: M = flip; + case 8: M.rotate(270); break; + default: break; // should never happen + } + img = img.xForm(M); + } + return true; +} + +KCameraRawPlugin::KCameraRawPlugin(QObject *parent, const char *name, + const QStringList &args ) + : KFilePlugin(parent, name, args) +{ + kdDebug(7034) << "KCameraRawPlugin c'tor" << endl; + + // + // define all possible meta info items + // + KFileMimeTypeInfo *info = addMimeTypeInfo("image/x-raw"); + KFileMimeTypeInfo::GroupInfo *group = addGroupInfo( info, "Info", + i18n("Image Info") ); + KFileMimeTypeInfo::ItemInfo* item; + + item = addItemInfo( group, "Manufacturer", i18n("Camera Manufacturer"), + QVariant::String ); + item = addItemInfo( group, "Model", i18n("Camera Model"), + QVariant::String ); + item = addItemInfo( group, "Thumbnail", i18n("Thumbnail"), + QVariant::Image ); + setHint( item, KFileMimeTypeInfo::Thumbnail ); +} + +bool KCameraRawPlugin::readInfo( KFileMetaInfo& info, uint what ) +{ + kdDebug(7034) << "KCameraRawPlugin::readInfo()" << endl; + + const QString path( info.path() ); + if ( path.isEmpty() ) // remote file + return false; + + KFileMetaInfoGroup group = appendGroup( info, "Info" ); + if ( what & KFileMetaInfo::Thumbnail ){ + QImage img; + if( createPreview( path,img ) ) { + appendItem( group, "Thumbnail", img ); + kdDebug(7034) << "thumbnail " << path << " created" << endl; + } + } else { + // HACK: We have to extract thumbnail to get any info... + QImage img; + createPreview( path,img ); + } + kdDebug(7034) << "make=" << make << endl; + kdDebug(7034) << "model=" << model << endl; + if( make[0] ) { + appendItem( group, "Manufacturer", &make[0] ); + } + if( model[0] ) { + appendItem( group, "Model", &model[0] ); + } + + return true; +} + +#include "kcamerarawplugin.moc" |