Added old abandoned KDE3 version of gwenview

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/gwenview@1088034 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 123 insertions, 0 deletions

diff --git a/src/gvcore/imageloader.h b/src/gvcore/imageloader.h
new file mode 100644
index 0000000..c1cc1ec
--- /dev/null
+++ b/src/gvcore/imageloader.h
@@ -0,0 +1,123 @@
+// 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.
+ 
+*/
+#ifndef IMAGELOADER_H
+#define IMAGELOADER_H
+
+// Qt
+#include <qasyncimageio.h>
+#include <qbuffer.h>
+#include <qcstring.h>
+
+// KDE
+#include <kio/job.h>
+
+// Local 
+#include "tsthread/tsthread.h"
+#include "imageframe.h"
+#include "busylevelmanager.h"
+#include "mimetypeutils.h"
+
+#include "libgwenview_export.h"
+namespace Gwenview {
+class DecoderThread : public TSThread {
+Q_OBJECT
+public:
+	void setRawData(const QByteArray&);
+	QImage popLoadedImage();
+	
+signals:
+	void failed();
+	void succeeded();
+	
+protected:
+	void run();
+
+private:
+	QMutex mMutex;
+	QByteArray mRawData;
+	QImage mImage;
+};
+
+class ImageLoaderPrivate;
+
+class LIBGWENVIEW_EXPORT ImageLoader : public QObject, public QImageConsumer {
+Q_OBJECT
+public:
+	static ImageLoader* loader( const KURL& url, const QObject* owner, BusyLevel priority ); // use this instead of ctor
+	void release( const QObject* owner ); // use this instead of dtor
+
+	QImage processedImage() const;
+	ImageFrames frames() const;
+	QCString imageFormat() const;
+	QByteArray rawData() const;
+	QString mimeType() const;
+	MimeTypeUtils::Kind urlKind() const;
+	KURL url() const;
+	QRegion loadedRegion() const; // valid parts of processedImage()
+	bool completed() const;
+
+signals:
+	void urlKindDetermined();
+	void sizeLoaded(int, int);
+	void imageChanged(const QRect&);
+	void imageLoaded( bool ok );
+
+private slots:
+	void slotStatResult(KIO::Job*);
+	void slotDataReceived(KIO::Job*, const QByteArray& chunk);
+	void slotGetResult(KIO::Job*);
+	void decodeChunk();
+	void slotDecoderThreadFailed();
+	void slotDecoderThreadSucceeded();
+	void slotBusyLevelChanged( BusyLevel );
+	void ownerDestroyed();
+	void startLoading();
+	void callFinish();
+
+private:
+	ImageLoader();
+	~ImageLoader();
+	void ref( const QObject* owner, BusyLevel priority );
+	void deref( const QObject* owner );
+	void suspendLoading();
+	void resumeLoading();
+	void finish( bool ok );
+	void startThread();
+	void setURL( const KURL& url );
+	void checkPendingStat();
+	void checkPendingGet();
+	BusyLevel priority() const;
+	
+	// QImageConsumer methods
+	void end();
+	void changed(const QRect&);
+	void frameDone();
+	void frameDone(const QPoint& offset, const QRect& rect);
+	void setLooping(int);
+	void setFramePeriod(int milliseconds);
+	void setSize(int, int);
+
+	ImageLoaderPrivate* d;
+};
+
+} // namespace
+#endif /* IMAGELOADER_H */
+