--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/rendervg10/inc/HuiVg10CurvePath.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,153 @@
+/*
+* Copyright (c) 2006-2008 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:   ?Description
+*
+*/
+
+
+
+#ifndef __HUIVG10CURVEPATH_H__
+#define __HUIVG10CURVEPATH_H__
+
+
+#include "uiacceltk/HuiCurvePath.h"
+#include "HuiVg10RenderPlugin.h"
+#include <VG/openvg.h>
+
+/**
+ * Curve path that can be drawn using OpenVG 1.0.
+ */
+NONSHARABLE_CLASS(CHuiVg10CurvePath) : public CHuiCurvePath
+    {
+public:
+
+    /* Constructors and destructor. */
+
+	/**
+	 * Constructor.
+	 */
+	CHuiVg10CurvePath();
+
+	/**
+	 * Second-phase constructor.
+	 */
+	void ConstructL();
+
+    /** 
+     * Destructor.
+     */
+    virtual ~CHuiVg10CurvePath();
+    
+    
+    /* Methods. */
+    
+    /** 
+     * Resets the path by removing all segments.
+     */
+    virtual void Reset();
+    
+    /**
+     * Recalculate the path's vertices and colors. 
+     */
+    void Update(TReal32 aStartPos, TReal32 aEndPos, 
+                TReal32 aAlphaFactor,
+                MHuiMappingFunction* aAlphaFunction,
+                MHuiMappingFunction* aWidthFunction) __SOFTFP;
+    
+    /** 
+     * Draws the path.
+     *
+     * @param aOrigin Offset of drawing in pixels
+     * @param aGc Graphics context to use.
+     */
+    void Draw(const TPoint& aOrigin, CHuiGc* aGc) const;
+
+protected:
+
+    /**
+     *  @returns the number of tuples required for 
+     *           a given segment.
+     */
+    TInt SegmentTuples(const TSegment& aSegment) const;
+    
+    /**
+     *  Reserve space for tuples.
+     *
+     *  @param aTuplecount  Number of tuples required.
+     */
+    void SetTupleCountL(TInt aTupleCount);
+    
+    /**
+     *  Prepare the tuples for a given segment.
+     *
+     *  @param aSegment         Segment to process.
+     *  @param aStart           Start position.
+     *  @param aEnd             End position.
+     *  @param aIsFinal         ETrue if this is the final 
+     *                          segment of the path.
+     *  @param aAlphaFactor     Transparency factor.
+     *  @param aAlphaFunction   Function of path alpha.
+     *  @param aWidthFunction   Function of path width.
+     */
+    void MakeSegmentTuples(const TSegment& aSegment,
+                           TReal32 aStart, TReal32 aEnd,
+                           TBool aIsFinal,
+                           TReal32 aAlphaFactor,
+                           MHuiMappingFunction* aAlphaFunction,
+                           MHuiMappingFunction* aWidthFunction);
+
+    /**
+     *  Add a single tuple to the path.
+     *
+     *  @param aPoint       Tuple coordinates.
+     *  @param aNormal      Tuple normal (left side).
+     *  @param aWidth       Path width.
+     *  @param aAlpha       Path transparency.
+     */
+    void AddTuple(const THuiRealPoint& aPoint,
+                  const THuiRealPoint& aNormal,
+                  TReal32 aWidth, TReal32 aAlpha);
+
+    /**
+     *  Reset the current path.
+     */
+    void ResetPath();
+
+    /**
+     *  Reset the accumulated tuples.
+     */
+    void ResetTuples();
+
+private:
+    /** Path that encloses the whole curve */
+    VGPath   iPath;
+
+    /** Coordinates for the path */
+    VGfloat* iPathCoords;
+
+    /** Commands for the path */
+    VGubyte* iPathCommands;
+
+    /** Last opacity factor used to render the path */
+    TReal32 iLastOpacityFactor;
+
+    /** Number of vertex tuples along the path (at least 2). */
+    TUint iMaxTupleCount;
+    
+    /** Number of vertex tuples used. */
+    TUint iUsedTupleCount;
+    };
+
+
+#endif // __HUIVG10CURVEPATH_H__