svgtopt/gfx2d/inc/GfxLineIteratorP.h
changeset 46 88edb906c587
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/gfx2d/inc/GfxLineIteratorP.h	Wed Nov 03 18:56:10 2010 +0200
@@ -0,0 +1,99 @@
+/*
+* 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 GFXLINEITERATORP_H
+#define GFXLINEITERATORP_H
+
+#include <e32std.h>
+
+#include "GfxFloatFixPt.h"
+#include "GfxLine2D.h"
+#include "GfxAffineTransform.h"
+
+class MGfxPathIterator;
+
+
+/**
+ * This class provides the methods to cycle through points in a line.
+ *
+ *  @lib Gfx2D.lib
+ *  @since 1.0
+ */
+class CGfxLineIteratorP : public CGfxPathIterator
+    {
+    public:
+        /**
+         * Contructor.
+         *
+         * @since 1.0
+         * @param aLine : line to cycle through.
+         * @param aAffine : transform to apply.
+         * @return
+         */
+        CGfxLineIteratorP( TGfxLine2D* aLine, TGfxAffineTransform* aAffine );
+
+        /**
+         * Destructor.
+         *
+         * @since 1.0
+         * @return
+         */
+        ~CGfxLineIteratorP();
+
+        // Implementing MGfxPathIterator
+
+        /**
+         * Get the point defining the current segment.
+         *
+         * @since 1.0
+         * @param aCoords : storage for points.
+         * @return segment type.
+         */
+        TGfxSegType     CurrentSegment( TFloatFixPt* aCoords );
+
+        /**
+         * Determine if end of iterator has been reached.
+         *
+         * @since 1.0
+         * @return true, if iterator reached end.
+         */
+        TBool           IsDone();
+
+        /**
+         * Cycle to the next segment of the path.
+         *
+         * @since 1.0
+         * @return
+         */
+         void            NextL();
+
+        /**
+         * 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.
+         */
+
+    private:
+        TGfxLine2D*     iLine;
+        TInt32          iIdx;
+    };
+
+#endif      // GFXLINEITERATORP_H