uiacceltk/hitchcock/coretoolkit/rendervg10/inc/HuiVg10VgImageBinder.h
changeset 0 15bf7259bb7c
child 9 3ac8bf5c5014
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/rendervg10/inc/HuiVg10VgImageBinder.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   Definition of CHuiVg10VGImageBinder
+*
+*/
+
+#ifndef HUIVG10VGIMAGEBINDER_H_
+#define HUIVG10VGIMAGEBINDER_H_
+
+#include <e32base.h>
+#include <e32def.h>
+#include <VG/openvg.h>
+#include <EGL/egl.h>
+#include <MVGImageBinder.h>
+
+// Forward declarations
+class CHuiVg10RenderPlugin;
+
+/**
+ * Implementation class for MVGImageBinder API.
+ * 
+ * This class is being used for providing the NVGDecoder the necessary
+ * implementation for handling NVG-TLV special case "Group opacity"
+ */
+class CHuiVg10VgImageBinder : public CBase, public MVGImageBinder
+    {
+public:
+
+    /**
+     * Constructor.
+     */
+    static CHuiVg10VgImageBinder* NewL(CHuiVg10RenderPlugin* aRenderPlugin);
+
+    /**
+     * Destructor.
+     */
+    virtual ~CHuiVg10VgImageBinder();
+
+    /**
+     * From MVGImageBinder, creates a new PBufferFromClientBuffer
+     * surface from the given parameter (of type VGImage)
+     * 
+     * @param   aBuffer A Buffer identifier (VGImage handle), used to create the surface
+     * @return  Error code
+     */
+    TInt BindClientBuffer(TUint aBuffer);
+
+    /**
+     * From MVGImageBinder, unbinds the PBufFromCliBuf & restores the previous surface
+     * 
+     * @return  Error code
+     */
+    TInt UnBindClientBuffer();
+
+    
+private:    // Methods
+    
+    /**
+    * Constructor.
+    */
+   CHuiVg10VgImageBinder(CHuiVg10RenderPlugin* aRenderPlugin);
+
+   /**
+    * 2nd phase constructor
+    */
+   void ConstructL();
+    
+   
+private:    // Data
+
+    /** NOT Owned! **/
+    CHuiVg10RenderPlugin* iRenderPlugin;
+    
+    EGLSurface iEglPBufferSurface_Client;
+    EGLSurface iSavedDrawSurface;
+    EGLSurface iSavedReadSurface;
+
+    EGLContext iContext;
+    EGLContext iSavedContext;
+    };
+
+#endif /* HUIVG10VGIMAGEBINDER_H_ */
+