git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6327 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			228 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			228 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /////////////////////////////////////////////////////////////////////////////
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| // Name:        drawn.h
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| // Purpose:     wxDrawnShape
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| // Author:      Julian Smart
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| // Modified by:
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| // Created:     12/07/98
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| // RCS-ID:      $Id$
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| // Copyright:   (c) Julian Smart
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| // Licence:   	wxWindows licence
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| /////////////////////////////////////////////////////////////////////////////
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| 
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| #ifndef _OGL_DRAWN_H_
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| #define _OGL_DRAWN_H_
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| 
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| #ifdef __GNUG__
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| #pragma interface "drawn.h"
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| #endif
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| 
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| #include <wx/ogl/basic.h>
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| 
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| #define oglMETAFLAGS_OUTLINE         1
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| #define oglMETAFLAGS_ATTACHMENTS     2
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| 
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| class wxDrawnShape;
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| class wxPseudoMetaFile: public wxObject
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| {
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|  DECLARE_DYNAMIC_CLASS(wxPseudoMetaFile)
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|  public:
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|   wxPseudoMetaFile();
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|   wxPseudoMetaFile(wxPseudoMetaFile& mf);
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|   ~wxPseudoMetaFile();
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| 
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|   void Draw(wxDC& dc, double xoffset, double yoffset);
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| 
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| #ifdef PROLOGIO
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|   void WriteAttributes(wxExpr *clause, int whichAngle);
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|   void ReadAttributes(wxExpr *clause, int whichAngle);
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| #endif
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| 
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|   void Clear();
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| 
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|   void Copy(wxPseudoMetaFile& copy);
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| 
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|   void Scale(double sx, double sy);
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|   void ScaleTo(double w, double h); // Scale to fit size
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|   void Translate(double x, double y);
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| 
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|   // Rotate about the given axis by theta radians from the x axis.
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|   void Rotate(double x, double y, double theta);
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| 
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|   bool LoadFromMetaFile(char *filename, double *width, double *height);
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| 
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|   void GetBounds(double *minX, double *minY, double *maxX, double *maxY);
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| 
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|   // Calculate size from current operations
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|   void CalculateSize(wxDrawnShape* shape);
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| 
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|   inline wxList& GetOutlineColours() const { return (wxList&) m_outlineColours; }
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|   inline wxList& GetFillColours() const { return (wxList&) m_fillColours; }
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|   inline void SetRotateable(bool rot) { m_rotateable = rot; }
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|   inline bool GetRotateable() const { return m_rotateable; }
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| 
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|   inline void SetSize(double w, double h) { m_width = w; m_height = h; }
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| 
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|   inline void SetFillBrush(wxBrush* brush) { m_fillBrush = brush; }
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|   inline wxBrush* GetFillBrush() const { return m_fillBrush; }
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| 
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|   inline void SetOutlinePen(wxPen* pen) { m_outlinePen = pen; }
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|   inline wxPen* GetOutlinePen() const { return m_outlinePen; }
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| 
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|   inline void SetOutlineOp(int op) { m_outlineOp = op; }
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|   inline int GetOutlineOp() const { return m_outlineOp; }
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| 
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|   inline wxList& GetOps() const { return (wxList&) m_ops; }
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| 
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|   // Is this a valid (non-empty) metafile?
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|   inline bool IsValid() const { return (m_ops.Number() > 0); }
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| 
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| public:
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|   /// Set of functions for drawing into a pseudo metafile.
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|   /// They use integers, but doubles are used internally for accuracy
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|   /// when scaling.
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| 
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|   virtual void DrawLine(const wxPoint& pt1, const wxPoint& pt2);
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|   virtual void DrawRectangle(const wxRect& rect);
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|   virtual void DrawRoundedRectangle(const wxRect& rect, double radius);
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|   virtual void DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt);
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|   virtual void DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle);
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|   virtual void DrawEllipse(const wxRect& rect);
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|   virtual void DrawPoint(const wxPoint& pt);
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|   virtual void DrawText(const wxString& text, const wxPoint& pt);
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|   virtual void DrawLines(int n, wxPoint pts[]);
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|   // flags:
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|   // oglMETAFLAGS_OUTLINE: will be used for drawing the outline and
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|   //                       also drawing lines/arrows at the circumference.
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|   // oglMETAFLAGS_ATTACHMENTS: will be used for initialising attachment points at
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|   //                       the vertices (perhaps a rare case...)
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|   virtual void DrawPolygon(int n, wxPoint pts[], int flags = 0);
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|   virtual void DrawSpline(int n, wxPoint pts[]);
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| 
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|   virtual void SetClippingRect(const wxRect& rect);
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|   virtual void DestroyClippingRect();
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| 
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|   virtual void SetPen(wxPen* pen, bool isOutline = FALSE);     // TODO: eventually, just store GDI object attributes, not actual
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|   virtual void SetBrush(wxBrush* brush, bool isFill = FALSE);  // pens/brushes etc.
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|   virtual void SetFont(wxFont* font);
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|   virtual void SetTextColour(const wxColour& colour);
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|   virtual void SetBackgroundColour(const wxColour& colour);
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|   virtual void SetBackgroundMode(int mode);
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| 
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| public:
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|   bool              m_rotateable;
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|   double            m_width;
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|   double            m_height;
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|   wxList            m_ops; // List of drawing operations (see drawnp.h)
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|   wxList            m_gdiObjects; // List of pens, brushes and fonts for this object.
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|   int               m_outlineOp;  // The op representing the outline, if any
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| 
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|   // Pen/brush specifying outline/fill colours
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|   // to override operations.
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|   wxPen*            m_outlinePen;
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|   wxBrush*          m_fillBrush;
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|   wxList            m_outlineColours; // List of the GDI operations that comprise the outline
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|   wxList            m_fillColours; // List of the GDI operations that fill the shape
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|   double             m_currentRotation;
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| };
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| 
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| #define oglDRAWN_ANGLE_0        0
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| #define oglDRAWN_ANGLE_90       1
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| #define oglDRAWN_ANGLE_180      2
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| #define oglDRAWN_ANGLE_270      3
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| 
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| class wxDrawnShape: public wxRectangleShape
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| {
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|  DECLARE_DYNAMIC_CLASS(wxDrawnShape)
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|  public:
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|   wxDrawnShape();
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|   ~wxDrawnShape();
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| 
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|   void OnDraw(wxDC& dc);
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| 
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| #ifdef PROLOGIO
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|   // I/O
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|   void WriteAttributes(wxExpr *clause);
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|   void ReadAttributes(wxExpr *clause);
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| #endif
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| 
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|   // Does the copying for this object
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|   void Copy(wxShape& copy);
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| 
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|   void Scale(double sx, double sy);
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|   void Translate(double x, double y);
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|   // Rotate about the given axis by theta radians from the x axis.
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|   void Rotate(double x, double y, double theta);
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| 
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|   // Get current rotation
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|   inline double GetRotation() const { return m_rotation; }
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| 
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|   void SetSize(double w, double h, bool recursive = TRUE);
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|   bool LoadFromMetaFile(char *filename);
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| 
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|   inline void SetSaveToFile(bool save) { m_saveToFile = save; }
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|   inline wxPseudoMetaFile& GetMetaFile(int which = 0) const { return (wxPseudoMetaFile&) m_metafiles[which]; }
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| 
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|   void OnDrawOutline(wxDC& dc, double x, double y, double w, double h);
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| 
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|   // Get the perimeter point using the special outline op, if there is one,
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|   // otherwise use default wxRectangleShape scheme
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|   bool GetPerimeterPoint(double x1, double y1,
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|                                      double x2, double y2,
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|                                      double *x3, double *y3);
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| 
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|   /// Set of functions for drawing into a pseudo metafile.
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|   /// They use integers, but doubles are used internally for accuracy
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|   /// when scaling.
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| 
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|   virtual void DrawLine(const wxPoint& pt1, const wxPoint& pt2);
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|   virtual void DrawRectangle(const wxRect& rect);
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|   virtual void DrawRoundedRectangle(const wxRect& rect, double radius);
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|   virtual void DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt);
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|   virtual void DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle);
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|   virtual void DrawEllipse(const wxRect& rect);
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|   virtual void DrawPoint(const wxPoint& pt);
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|   virtual void DrawText(const wxString& text, const wxPoint& pt);
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|   virtual void DrawLines(int n, wxPoint pts[]);
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|   virtual void DrawPolygon(int n, wxPoint pts[], int flags = 0);
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|   virtual void DrawSpline(int n, wxPoint pts[]);
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| 
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|   virtual void SetClippingRect(const wxRect& rect);
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|   virtual void DestroyClippingRect();
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| 
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|   virtual void SetDrawnPen(wxPen* pen, bool isOutline = FALSE);     // TODO: eventually, just store GDI object attributes, not actual
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|   virtual void SetDrawnBrush(wxBrush* brush, bool isFill = FALSE);  // pens/brushes etc.
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|   virtual void SetDrawnFont(wxFont* font);
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|   virtual void SetDrawnTextColour(const wxColour& colour);
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|   virtual void SetDrawnBackgroundColour(const wxColour& colour);
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|   virtual void SetDrawnBackgroundMode(int mode);
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| 
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|   // Set the width/height according to the shapes in the metafile.
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|   // Call this after drawing into the shape.
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|   inline void CalculateSize() { m_metafiles[m_currentAngle].CalculateSize(this); }
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| 
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|   inline void DrawAtAngle(int angle) { m_currentAngle = angle; };
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| 
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|   inline int GetAngle() const { return m_currentAngle; }
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| 
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| // Implementation
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| protected:
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|   // Which metafile do we use now? Based on current rotation and validity
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|   // of metafiles.
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|   int DetermineMetaFile(double rotation);
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| 
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| private:
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|   // One metafile for each 90 degree rotation (or just a single one).
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|   wxPseudoMetaFile      m_metafiles[4];
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| 
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|   // Don't save all wxDrawnShape metafiles to file: sometimes
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|   // we take the metafile data from a symbol library.
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|   bool                  m_saveToFile;
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| 
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|   // Which angle are we using/drawing into?
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|   int                   m_currentAngle;
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| };
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| 
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| #endif
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|     // _DRAWN_H_
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| 
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