/*
* Copyright (c) 2002 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: Graphics Extension Library header file
*
*/
#ifndef GFXCURVEFLATTENERP_H
#define GFXCURVEFLATTENERP_H
#include <e32base.h>
#include <e32std.h>
#include "GfxFloatFixPt.h"
class TGfxAffineTransform;
/**
* This class provides the methods to smooth a curve defined by control points.
*
* @lib Gfx2D.lib
* @since 1.0
*/
class TGfxCurveFlattener
{
public:
/**
* Construct a TGfxCurveFlattener with a transform matrix.
*
* @since 1.0
* @param aTransform : Transformation matrix.
* @return
*/
TGfxCurveFlattener( TGfxAffineTransform* aTransform );
/**
* Add a quadratic curve to this object.
*
* @since 1.0
* @param aRenderer : edge point list
* @param aCtrlPoints : control points.
* @param aLimit : number of points to flatten curve with.
* @return
*/
void AddSubCurveQuadL( CGfxEdgeListP* aRenderer,
TFloatFixPt * aCtrlPoints,
TInt32 aLimit );
/**
* Add a cubic curve to this object.
*
* @since 1.0
* @param aRenderer : edge point list
* @param aCtrlPoints : control points.
* @param aLimit : number of points to flatten curve with.
* @return
*/
void AddSubCurveCubicL( CGfxEdgeListP* aRenderer,
TFloatFixPt * aCtrlPoints,
TInt32 aLimit );
private:
TGfxAffineTransform* iTransform;
};
#endif // GFXCURVEFLATTENERP_H