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/*
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Graphics Extension Library header file
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*
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*/
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#ifndef GFXCURVEFLATTENERP_H
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#define GFXCURVEFLATTENERP_H
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#include <e32base.h>
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#include <e32std.h>
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#include "GfxFloatFixPt.h"
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class TGfxAffineTransform;
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/**
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* This class provides the methods to smooth a curve defined by control points.
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*
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* @lib Gfx2D.lib
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* @since 1.0
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*/
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class TGfxCurveFlattener
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{
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public:
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/**
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* Construct a TGfxCurveFlattener with a transform matrix.
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*
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* @since 1.0
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* @param aTransform : Transformation matrix.
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* @return
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*/
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TGfxCurveFlattener( TGfxAffineTransform* aTransform );
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/**
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* Add a quadratic curve to this object.
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*
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* @since 1.0
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* @param aRenderer : edge point list
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* @param aCtrlPoints : control points.
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* @param aLimit : number of points to flatten curve with.
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* @return
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*/
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void AddSubCurveQuadL( CGfxEdgeListP* aRenderer,
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TFloatFixPt * aCtrlPoints,
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TInt32 aLimit );
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/**
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* Add a cubic curve to this object.
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*
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* @since 1.0
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* @param aRenderer : edge point list
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* @param aCtrlPoints : control points.
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* @param aLimit : number of points to flatten curve with.
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* @return
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*/
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void AddSubCurveCubicL( CGfxEdgeListP* aRenderer,
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TFloatFixPt * aCtrlPoints,
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TInt32 aLimit );
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private:
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TGfxAffineTransform* iTransform;
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};
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#endif // GFXCURVEFLATTENERP_H
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