svgtopt/gfx2d/inc/GfxPathIterator.h
changeset 0 d46562c3d99d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/gfx2d/inc/GfxPathIterator.h	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,82 @@
+/*
+* 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 GFXPATHITERATOR_H
+#define GFXPATHITERATOR_H
+
+#include <e32base.h>
+#include <e32std.h>
+#include "GfxFloatFixPt.h"
+
+class TGfxAffineTransform;
+class MGfxShape;
+class CGfxEdgeListP;
+
+
+/**
+ * This class defines the methods to cycle through points in a path.
+ *
+ *  @lib Gfx2D.lib
+ *  @since 1.0
+ */
+class CGfxPathIterator : public CBase
+    {
+    public:
+
+        /**
+         * Get the point defining the current segment.
+         *
+         * @since 1.0
+         * @param aCoords : storage for points.
+         * @return segment type.
+         */
+        virtual TGfxSegType CurrentSegment( TFloatFixPt* aCoords ) = 0;
+
+        /**
+         * Determine if end of iterator has been reached.
+         *
+         * @since 1.0
+         * @return true, if iterator reached end.
+         */
+        virtual TBool       IsDone() = 0;
+
+        /**
+         * Cycle to the next segment of the path.
+         *
+         * @since 1.0
+         * @return
+         */
+        virtual void        NextL() = 0;
+
+        /**
+         * Convert to a polygon.
+         *
+         * @since 1.0
+         * @param aRenderer : storage for points of polygon.
+         * @param aFlatness : level of smoothness.
+         * @return true, if iterator reached end.
+         */
+        virtual void        PolygonizeL( CGfxEdgeListP* /*aRenderer*/,
+			TInt /*aFlatness*/ ) {};
+
+
+    protected:
+        TGfxAffineTransform*    iTransform;
+    };
+
+#endif      // GFXPATHITERATOR_H