svgtopt/gfx2d/inc/GfxEllipseIteratorP.h
changeset 0 d46562c3d99d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/gfx2d/inc/GfxEllipseIteratorP.h	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,94 @@
+/*
+* 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 GFXELLIPSEITERATORP_H
+#define GFXELLIPSEITERATORP_H
+
+
+
+#include <e32std.h>
+
+#include "GfxFloatFixPt.h"
+#include "GfxPathIterator.h"
+
+class TGfxEllipse2D;
+class TGfxAffineTransform;
+
+
+/**
+ * Implementation of an ellipse iterator.
+ *
+ *  @lib Gfx2D.lib
+ *  @since 1.0
+ */
+class CGfxEllipseIteratorP : public CGfxPathIterator
+    {
+    public:
+
+        /**
+         * Construct an ellipse iterator.
+         *
+         * @since 1.0
+         * @param aEllipse : ellipse to create iterator for.
+         * @param aTransform : transform to apply to defining points.
+         * @return
+         */
+                        CGfxEllipseIteratorP( TGfxEllipse2D* aEllipse,
+                                              TGfxAffineTransform* aTransform );
+
+        /**
+         * Get the points defining the ellipse and the segment type.
+         *
+         * @since 1.0
+         * @param aCoords : point storage
+         * @return segment type
+         */
+        TGfxSegType     CurrentSegment( TFloatFixPt * aCoords );
+
+        /**
+         * Determine wether end of iterator has been reached.
+         *
+         * @since 1.0
+         * @return true if end of iterator
+         */
+        TBool           IsDone();
+
+        /**
+         * Cycle to the next point of this iterator.
+         *
+         * @since 1.0
+         * @return
+         */
+        void            NextL();
+
+        /**
+         * Write points of the ellipse to be a polygon.
+         *
+         * @since 1.0
+         * @param aRenderer : point storage
+         * @param aFlatness : number of points to generate.
+         * @return
+         */
+
+    private:
+        TGfxEllipse2D*  iEllipse;
+
+        TInt32          iIdx;
+    };
+
+#endif      // GFXELLIPSEITERATORP_H