nodeelip.h

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00001 // $Id: nodeelip.h 751 2006-03-31 15:43:49Z alex $
00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
00003 ================================XARAHEADERSTART===========================
00004  
00005                Xara LX, a vector drawing and manipulation program.
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00008               respective authors. See AUTHORS file for details.
00009 
00010 LICENSE TO USE AND MODIFY SOFTWARE
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00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS
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00093       Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK.
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00096 =================================XARAHEADEREND============================
00097  */
00098 // NodeEllipse - The Ellipse Class
00099 
00100 #ifndef INC_NODEELIP
00101 #define INC_NODEELIP
00102 
00103 
00104 #include "nodeshap.h"
00105 
00106 
00107 /********************************************************************************************
00108 
00109 >   class NodeEllipse : public NodeSimpleShape
00110 
00111     Author:     Rik_Heywood (Xara Group Ltd) <camelotdev@xara.com>
00112     Created:    16/6/94
00113     Purpose:    This is the Ellipse shape. It is based on the NodeSimpleShape, which means
00114                 that it is fitted into a parallelogram. It is actually made up of 4 bezier
00115                 curve sections.
00116     SeeAlso:    NodeSimpleShape; NodeRect
00117 
00118 ********************************************************************************************/
00119 
00120 class NodeEllipse : public NodeSimpleShape
00121 {
00122 // Give my name out in memory dumps
00123 CC_DECLARE_DYNCREATE(NodeEllipse);
00124 
00125 public:
00126     NodeEllipse();
00127     NodeEllipse(    Node* ContextNode,
00128                 AttachNodeDirection Direction,
00129                 BOOL Locked = FALSE,
00130                 BOOL Mangled = FALSE,
00131                 BOOL Marked = FALSE,
00132                 BOOL Selected = FALSE
00133               );
00134     
00135     virtual Node* SimpleCopy();
00136     virtual String Describe(BOOL Plural, BOOL Verbose);
00137 
00138     // For exporting
00139     void PreExportRender(RenderRegion* pRegion);
00140 
00141     // Functions to re-build the path from the parallelogram
00142     virtual void CreateShape(DocRect NewRect);
00143     virtual void UpdateShape();
00144 
00145     // The Blob bounding rect for ellipses is slightly different
00146     virtual DocRect GetBlobBoundingRect();
00147 
00148     // Information functions
00149     virtual UINT32 GetNodeSize() const;             // Returns size of node in bytes
00150 
00151     // Functions to deal with messages
00152     //virtual BOOL OnClick( DocCoord, ClickType, ClickModifiers, Spread* );
00153     // Decides what to do about a drag on a blob
00154     virtual void HandleBlobDrag( DocCoord&, Spread*, INT32 );
00155 
00156     static void CalcEllipseEdge(const DocCoord&, const DocCoord&, DocCoord*, DocCoord*, DocCoord*);
00157 };
00158 
00159 
00160 
00161 #endif // INC_NODEELIP
00162 
00163 

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