1 files changed, 97 insertions, 0 deletions
diff --git a/src/gvcore/documentanimatedloadedimpl.cpp b/src/gvcore/documentanimatedloadedimpl.cpp
new file mode 100644
index 0000000..a6cabb1
--- /dev/null
+++ b/src/gvcore/documentanimatedloadedimpl.cpp
@@ -0,0 +1,97 @@
+// vim: set tabstop=4 shiftwidth=4 noexpandtab
+/*
+Gwenview - A simple image viewer for KDE
+Copyright 2000-2004 Aurélien Gāteau
+ 
+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