svgtopt/gfx2d/inc/GfxCurveFlattenerP.h
changeset 0 d46562c3d99d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/gfx2d/inc/GfxCurveFlattenerP.h	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,79 @@
+/*
+* 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