1 files changed, 124 insertions, 0 deletions
diff --git a/src/player/Canvas.h b/src/player/Canvas.h
new file mode 100644
index 0000000..38259a5
--- /dev/null
+++ b/src/player/Canvas.h
@@ -0,0 +1,124 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#ifndef _Canvas_H_
+#define _Canvas_H_
+ 
+#include "../api.h"
+
+#include "FontStyle.h"
+
+#include "../base/IPlaybackEndListener.h"
+#include "../base/IFrameEndListener.h"
+#include "../base/IPreRenderListener.h"
+#include "../base/Signal.h"
+#include "../base/GLMHelper.h"
+
+#include "../graphics/OGLHelper.h"
+#include "../graphics/Bitmap.h"
+
+#include <map>
+#include <string>
+#include <vector>
+#include <boost/enable_shared_from_this.hpp>
+
+namespace avg {
+
+class Player;
+class Node;
+class CanvasNode;
+class AudioEngine;
+class TestHelper;
+class ProfilingZoneID;
+class Canvas;
+class FBO;
+class VertexArray;
+class SubVertexArray;
+
+typedef boost::shared_ptr<Node> NodePtr;
+typedef boost::shared_ptr<CanvasNode> CanvasNodePtr;
+typedef boost::shared_ptr<FBO> FBOPtr;
+typedef boost::shared_ptr<VertexArray> VertexArrayPtr;
+
+class Canvas;
+typedef boost::shared_ptr<Canvas> CanvasPtr;
+typedef boost::weak_ptr<Canvas> CanvasWeakPtr;
+
+class AVG_API Canvas: public ExportedObject
+{
+    public:
+        Canvas(Player * pPlayer);
+        virtual ~Canvas();
+        virtual void setRoot(NodePtr pRootNode);
+        void initPlayback(int multiSampleSamples);
+        virtual void stopPlayback(bool bIsAbort);
+       
+        CanvasNodePtr getRootNode() const;
+        NodePtr getElementByID(const std::string& id);
+        void registerNode(NodePtr pNode);
+        void addNodeID(NodePtr pNode);
+        void removeNodeID(const std::string& id);
+        virtual void doFrame(bool bPythonAvailable);
+        IntPoint getSize() const;
+        virtual BitmapPtr screenshot() const = 0;
+        virtual void pushClipRect(const glm::mat4& transform, SubVertexArray& va);
+        virtual void popClipRect(const glm::mat4& transform, SubVertexArray& va);
+
+        void registerPlaybackEndListener(IPlaybackEndListener* pListener);
+        void unregisterPlaybackEndListener(IPlaybackEndListener* pListener);
+        void registerFrameEndListener(IFrameEndListener* pListener);
+        void unregisterFrameEndListener(IFrameEndListener* pListener);
+        void registerPreRenderListener(IPreRenderListener* pListener);
+        void unregisterPreRenderListener(IPreRenderListener* pListener);
+
+        std::vector<NodePtr> getElementsByPos(const glm::vec2& Pos) const;
+
+        virtual void render(IntPoint windowSize, bool bOffscreen);
+
+    protected:
+        Player * getPlayer() const;
+        void preRender();
+        void emitPreRenderSignal(); 
+        void emitFrameEndSignal();
+
+    private:
+        virtual void renderTree()=0;
+        void renderOutlines(const glm::mat4& transform);
+
+        void clip(const glm::mat4& transform, SubVertexArray& va, GLenum stencilOp);
+        Player * m_pPlayer;
+        CanvasNodePtr m_pRootNode;
+        bool m_bIsPlaying;
+        VertexArrayPtr m_pVertexArray;
+       
+        typedef std::map<std::string, NodePtr> NodeIDMap;
+        NodeIDMap m_IDMap;
+
+        Signal<IPlaybackEndListener> m_PlaybackEndSignal;
+        Signal<IFrameEndListener> m_FrameEndSignal;
+        Signal<IPreRenderListener> m_PreRenderSignal;
+
+        int m_MultiSampleSamples;
+        int m_ClipLevel;
+};
+
+}
+#endif