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105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
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/** ===========================================================
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* @file
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*
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* This file is a part of digiKam project
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* <a href="http://www.digikam.org">http://www.digikam.org</a>
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*
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* @date 2006-09-15
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* @brief Comments manipulation methods
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*
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* @author Copyright (C) 2006-2014 by Gilles Caulier
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* <a href="mailto:caulier dot gilles at gmail dot com">caulier dot gilles at gmail dot com</a>
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* @author Copyright (C) 2006-2012 by Marcel Wiesweg
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* <a href="mailto:marcel dot wiesweg at gmx dot de">marcel dot wiesweg at gmx dot de</a>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// Local includes
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#include "kexiv2_p.h"
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#include "kexiv2.h"
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namespace KExiv2Iface
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{
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bool KExiv2::canWriteComment(const QString& filePath)
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{
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try
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{
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Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open((const char*)
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(QFile::encodeName(filePath)));
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Exiv2::AccessMode mode = image->checkMode(Exiv2::mdComment);
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return (mode == Exiv2::amWrite || mode == Exiv2::amReadWrite);
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}
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catch( Exiv2::Error& e )
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{
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std::string s(e.what());
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kError() << "Cannot check Comment access mode using Exiv2 (Error #"
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<< e.code() << ": " << s.c_str() << ")";
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}
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catch(...)
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{
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kError() << "Default exception from Exiv2";
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}
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return false;
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}
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bool KExiv2::hasComments() const
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{
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return !d->imageComments().empty();
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}
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bool KExiv2::clearComments() const
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{
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return setComments(QByteArray());
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}
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QByteArray KExiv2::getComments() const
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{
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return QByteArray(d->imageComments().data(), d->imageComments().size());
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}
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QString KExiv2::getCommentsDecoded() const
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{
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return d->detectEncodingAndDecode(d->imageComments());
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}
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bool KExiv2::setComments(const QByteArray& data) const
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{
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d->imageComments() = std::string(data.data(), data.size());
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return true;
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}
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QString KExiv2::detectLanguageAlt(const QString& value, QString& lang)
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{
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// Ex. from an Xmp tag Xmp.tiff.copyright: "lang="x-default" (c) Gilles Caulier 2007"
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if (value.size() > 6 && value.startsWith(QString("lang=\"")))
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{
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int pos = value.indexOf(QString("\""), 6);
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if (pos != -1)
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{
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lang = value.mid(6, pos-6);
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return (value.mid(pos+2));
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}
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}
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lang.clear();
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return value;
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}
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} // NameSpace KExiv2Iface
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