1 files changed, 63 insertions, 0 deletions
diff --git a/src/gvcore/pngformattype.h b/src/gvcore/pngformattype.h
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+++ b/src/gvcore/pngformattype.h
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+// this code is copied from Qt, with code added to actually call consumer
+// methods that inform about the progress of loading
+
+/****************************************************************************
+** 
+**
+** Implementation of PNG QImage IOHandler
+**
+** Created : 970521
+**
+** Copyright (C) 1992-2003 Trolltech AS.  All rights reserved.
+**
+** This file is part of the kernel module of the Qt GUI Toolkit.
+**
+** This file may be distributed under the terms of the Q Public License
+** as defined by Trolltech AS of Norway and appearing in the file
+** LICENSE.QPL included in the packaging of this file.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
+** licenses may use this file in accordance with the Qt Commercial License
+** Agreement provided with the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
+**   information about Qt Commercial License Agreements.
+** See http://www.trolltech.com/qpl/ for QPL licensing information.
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#ifndef gvpngformattype_h
+#define gvpngformattype_h
+
+#include <qasyncimageio.h>
+
+namespace Gwenview {
+
+/**
+ * @internal
+ *
+ * An incremental loader factory for PNG's.
+ */
+class PNGFormatType : public QImageFormatType {
+public:
+	QImageFormat* decoderFor(const uchar* buffer, int length);
+	const char* formatName() const;
+};
+
+} // namespace
+
+// -----------------------------------------------------------------------------
+
+#endif // gvpngformattype_h