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project/fm_viewer/fav/QPainterRenderer.h

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+/******************************************************************************
+    QtAV:  Multimedia framework based on Qt and FFmpeg
+    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
+
+*   This file is part of QtAV
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+******************************************************************************/
+
+#ifndef QAV_QPAINTERRENDERER_H
+#define QAV_QPAINTERRENDERER_H
+
+#include "VideoRenderer.h"
+#include <QtGui/QImage>
+//TODO: not abstract.
+namespace FAV {
+
+class QPainterRendererPrivate;
+class Q_AV_EXPORT QPainterRenderer : public VideoRenderer
+{
+    DPTR_DECLARE_PRIVATE(QPainterRenderer)
+public:
+    QPainterRenderer();
+    bool isSupported(VideoFormat::PixelFormat pixfmt) const Q_DECL_OVERRIDE;
+protected:
+    bool preparePixmap(const VideoFrame& frame);
+    void drawBackground() Q_DECL_OVERRIDE;
+    //draw the current frame using the current paint engine. called by paintEvent()
+    void drawFrame() Q_DECL_OVERRIDE;
+
+    QPainterRenderer(QPainterRendererPrivate& d);
+};
+
+} //namespace FAV
+#endif // QAV_QPAINTERRENDERER_H