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// vim: set tabstop=4 shiftwidth=4 noexpandtab
/*
Gwenview - A simple image viewer for KDE
Copyright 2000-2004 Aurélien Gâteau
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; either version 2
of the License, or (at your option) any later version.
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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "documentanimatedloadedimpl.moc"
// Qt
#include <qstring.h>
#include <qtimer.h>
// KDE
#include <kdebug.h>
#include <klocale.h>
namespace Gwenview {
// Local
#undef ENABLE_LOG
#undef LOG
//#define ENABLE_LOG
#ifdef ENABLE_LOG
#define LOG(x) kdDebug() << k_funcinfo << x << endl
#else
#define LOG(x) ;
#endif
class DocumentAnimatedLoadedImplPrivate {
public:
ImageFrames mFrames;
int mCurrentFrame;
QTimer mFrameTimer;
};
DocumentAnimatedLoadedImpl::DocumentAnimatedLoadedImpl(Document* document, const ImageFrames& frames)
: DocumentLoadedImpl(document) {
LOG("" << mDocument->url().prettyURL() << ", frames: " << frames.count() );
d=new DocumentAnimatedLoadedImplPrivate;
d->mFrames = frames;
d->mCurrentFrame = -1;
connect( &d->mFrameTimer, SIGNAL( timeout()), SLOT( nextFrame()));
}
void DocumentAnimatedLoadedImpl::init() {
DocumentLoadedImpl::init();
nextFrame();
}
void DocumentAnimatedLoadedImpl::nextFrame() {
++d->mCurrentFrame;
if( d->mCurrentFrame == int( d->mFrames.count())) d->mCurrentFrame = 0;
d->mFrameTimer.start( QMAX( 10, d->mFrames[ d->mCurrentFrame ].delay ));
// NOTE! If this ever gets changed to already animate the picture while it's still
// loading, with MNG the frame delay gets announced only after the frame is ready.
// See ImageLoader::frameDone() .
LOG("" << d->mCurrentFrame );
setImage(d->mFrames[ d->mCurrentFrame ].image);
emitImageRectUpdated();
}
DocumentAnimatedLoadedImpl::~DocumentAnimatedLoadedImpl() {
delete d;
}
void DocumentAnimatedLoadedImpl::transform(ImageUtils::Orientation orientation) {
for( ImageFrames::Iterator it = d->mFrames.begin(); it != d->mFrames.end(); ++it ) {
(*it).image = ImageUtils::transform( (*it).image, orientation );
}
setImage( d->mFrames[ d->mCurrentFrame ].image);
emitImageRectUpdated();
}
QString DocumentAnimatedLoadedImpl::localSave(QFile* /*file*/, const QCString& /*format*/) const {
return i18n("Sorry, cannot save animated images.");
}
} // namespace
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