svgtopt/gfx2d/inc/GfxEllipse2D.h
changeset 0 d46562c3d99d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/gfx2d/inc/GfxEllipse2D.h	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,115 @@
+/*
+* 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 GFXELLIPSE2D_H
+#define GFXELLIPSE2D_H
+
+#include <e32std.h>
+#include "GfxFloatFixPt.h"
+
+#include "GfxRectangle2D.h"
+#include "GfxRectangularShape.h"
+#include "GfxPoint2D.h"
+#include "GfxPathIterator.h"
+#include "GfxAffineTransform.h"
+
+
+
+enum TEllipseConstructType
+    {
+    EElipseCenterAndRadius, // cx, cy, rx, ry
+    EElipseRectangular      // x, y, w, h
+    };
+
+
+/**
+ * Implementation of an ellipse.
+ *
+ *  @lib Gfx2D.lib
+ *  @since 1.0
+ */
+class TGfxEllipse2D : public TGfxRectangularShape
+    {
+    public:
+
+        /**
+         * Construct a TGfxEllipse2D object.
+         *
+         * @since 1.0
+         * @param aX1 : focus point 1 or top-left  x coordinate
+         * @param aY1 : focus point 1 or top-left y coordinate
+         * @param aWidth : focus point 2 or width
+         * @param aHeight : focus point 2 or height
+         * @return
+         */
+               TGfxEllipse2D( const TFloatFixPt & aX,
+                                      const TFloatFixPt & aY,
+                                      const TFloatFixPt & aWidth,
+                                      const TFloatFixPt & aHeight );
+
+        /**
+         * Construct a TGfxEllipse2D object.  The TEllipseConstructType
+         * parameter defines the type of ellipse to create.
+         *
+         * @since 1.0
+         * @param aX1 : focus point 1 or top-left  x coordinate
+         * @param aY1 : focus point 1 or top-left y coordinate
+         * @param aX1 : focus point 2 or width
+         * @param aY1 : focus point 2 or height
+         * @param aEtype : elliptical or rectangular data given
+         * @return
+         */
+                TGfxEllipse2D( const TFloatFixPt & aX1,
+                                       const TFloatFixPt & aY1,
+                                       const TFloatFixPt & aX2,
+                                       const TFloatFixPt & aY2,
+                                       TEllipseConstructType aEtype );
+
+        /**
+         * Get the path iterator for this shape.
+         * Implementation of MGfxShape method.
+         *
+         * @since 1.0
+         * @param aAt : transform to apply the defining points.
+         * @param aPitr : path iterator data storage.
+         * @return
+         */
+         void   GetPathIteratorL( TGfxAffineTransform* aAt,
+                                          CGfxPathIterator*& aPitr );
+
+        /**
+         * Get the path iterator for this shape.
+         * Implementation of MGfxShape method.
+         *
+         * @since 1.0
+         * @param aAt : transform to apply the defining points.
+         * @param aLimit : number of points defining the path.
+         * @param aPitr : path iterator data storage.
+         * @return
+         */
+         void   GetPathIteratorL( TGfxAffineTransform* aAt,
+                                          TInt aLimit,
+                                          CGfxPathIterator*& aPitr );
+
+
+        /* Return shape type */
+        inline virtual TInt ShapeType () { return EEllipse; };
+
+    };
+
+#endif      // GFXELLIPSE2D_H