Files correlati : Commento : Spostamento in libraries delle librerie esterne di Campo per una maggiore pulizia e organizzazione git-svn-id: svn://10.65.10.50/branches/R_10_00@24150 c028cbd2-c16b-5b4b-a496-9718f37d4682
		
			
				
	
	
		
			222 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			222 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
 | 
						|
// Name:        drawn.h
 | 
						|
// Purpose:     wxDrawnShape
 | 
						|
// Author:      Julian Smart
 | 
						|
// Modified by:
 | 
						|
// Created:     12/07/98
 | 
						|
// RCS-ID:      $Id: drawn.h 38918 2006-04-26 02:24:42Z PC $
 | 
						|
// Copyright:   (c) Julian Smart
 | 
						|
// Licence:     wxWindows licence
 | 
						|
/////////////////////////////////////////////////////////////////////////////
 | 
						|
 | 
						|
#ifndef _OGL_DRAWN_H_
 | 
						|
#define _OGL_DRAWN_H_
 | 
						|
 | 
						|
 | 
						|
#define oglMETAFLAGS_OUTLINE         1
 | 
						|
#define oglMETAFLAGS_ATTACHMENTS     2
 | 
						|
 | 
						|
class WXDLLIMPEXP_OGL wxDrawnShape;
 | 
						|
class WXDLLIMPEXP_OGL wxPseudoMetaFile: public wxObject
 | 
						|
{
 | 
						|
 DECLARE_DYNAMIC_CLASS(wxPseudoMetaFile)
 | 
						|
 public:
 | 
						|
  wxPseudoMetaFile();
 | 
						|
  wxPseudoMetaFile(wxPseudoMetaFile& mf);
 | 
						|
  ~wxPseudoMetaFile();
 | 
						|
 | 
						|
  void Draw(wxDC& dc, double xoffset, double yoffset);
 | 
						|
 | 
						|
#if wxUSE_PROLOGIO
 | 
						|
  void WriteAttributes(wxExpr *clause, int whichAngle);
 | 
						|
  void ReadAttributes(wxExpr *clause, int whichAngle);
 | 
						|
#endif
 | 
						|
 | 
						|
  void Clear();
 | 
						|
 | 
						|
  void Copy(wxPseudoMetaFile& copy);
 | 
						|
 | 
						|
  void Scale(double sx, double sy);
 | 
						|
  void ScaleTo(double w, double h); // Scale to fit size
 | 
						|
  void Translate(double x, double y);
 | 
						|
 | 
						|
  // Rotate about the given axis by theta radians from the x axis.
 | 
						|
  void Rotate(double x, double y, double theta);
 | 
						|
 | 
						|
  bool LoadFromMetaFile(const wxString& filename, double *width, double *height);
 | 
						|
 | 
						|
  void GetBounds(double *minX, double *minY, double *maxX, double *maxY);
 | 
						|
 | 
						|
  // Calculate size from current operations
 | 
						|
  void CalculateSize(wxDrawnShape* shape);
 | 
						|
 | 
						|
  inline wxList& GetOutlineColours() const { return (wxList&) m_outlineColours; }
 | 
						|
  inline wxList& GetFillColours() const { return (wxList&) m_fillColours; }
 | 
						|
  inline void SetRotateable(bool rot) { m_rotateable = rot; }
 | 
						|
  inline bool GetRotateable() const { return m_rotateable; }
 | 
						|
 | 
						|
  inline void SetSize(double w, double h) { m_width = w; m_height = h; }
 | 
						|
 | 
						|
  inline void SetFillBrush(const wxBrush* brush) { m_fillBrush = brush; }
 | 
						|
  inline wxBrush* GetFillBrush() const { return wx_const_cast(wxBrush*, m_fillBrush); }
 | 
						|
 | 
						|
  inline void SetOutlinePen(const wxPen* pen) { m_outlinePen = pen; }
 | 
						|
  inline wxPen* GetOutlinePen() const { return wx_const_cast(wxPen*, m_outlinePen); }
 | 
						|
 | 
						|
  inline void SetOutlineOp(int op) { m_outlineOp = op; }
 | 
						|
  inline int GetOutlineOp() const { return m_outlineOp; }
 | 
						|
 | 
						|
  inline wxList& GetOps() const { return (wxList&) m_ops; }
 | 
						|
 | 
						|
  // Is this a valid (non-empty) metafile?
 | 
						|
  inline bool IsValid() const { return (m_ops.GetCount() > 0); }
 | 
						|
 | 
						|
public:
 | 
						|
  /// Set of functions for drawing into a pseudo metafile.
 | 
						|
  /// They use integers, but doubles are used internally for accuracy
 | 
						|
  /// when scaling.
 | 
						|
 | 
						|
  virtual void DrawLine(const wxPoint& pt1, const wxPoint& pt2);
 | 
						|
  virtual void DrawRectangle(const wxRect& rect);
 | 
						|
  virtual void DrawRoundedRectangle(const wxRect& rect, double radius);
 | 
						|
  virtual void DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt);
 | 
						|
  virtual void DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle);
 | 
						|
  virtual void DrawEllipse(const wxRect& rect);
 | 
						|
  virtual void DrawPoint(const wxPoint& pt);
 | 
						|
  virtual void DrawText(const wxString& text, const wxPoint& pt);
 | 
						|
  virtual void DrawLines(int n, wxPoint pts[]);
 | 
						|
  // flags:
 | 
						|
  // oglMETAFLAGS_OUTLINE: will be used for drawing the outline and
 | 
						|
  //                       also drawing lines/arrows at the circumference.
 | 
						|
  // oglMETAFLAGS_ATTACHMENTS: will be used for initialising attachment points at
 | 
						|
  //                       the vertices (perhaps a rare case...)
 | 
						|
  virtual void DrawPolygon(int n, wxPoint pts[], int flags = 0);
 | 
						|
  virtual void DrawSpline(int n, wxPoint pts[]);
 | 
						|
 | 
						|
  virtual void SetClippingRect(const wxRect& rect);
 | 
						|
  virtual void DestroyClippingRect();
 | 
						|
 | 
						|
  virtual void SetPen(const wxPen* pen, bool isOutline = false);     // TODO: eventually, just store GDI object attributes, not actual
 | 
						|
  virtual void SetBrush(const wxBrush* brush, bool isFill = false);  // pens/brushes etc.
 | 
						|
  virtual void SetFont(wxFont* font);
 | 
						|
  virtual void SetTextColour(const wxColour& colour);
 | 
						|
  virtual void SetBackgroundColour(const wxColour& colour);
 | 
						|
  virtual void SetBackgroundMode(int mode);
 | 
						|
 | 
						|
public:
 | 
						|
  bool              m_rotateable;
 | 
						|
  double            m_width;
 | 
						|
  double            m_height;
 | 
						|
  wxList            m_ops; // List of drawing operations (see drawnp.h)
 | 
						|
  wxList            m_gdiObjects; // List of pens, brushes and fonts for this object.
 | 
						|
  int               m_outlineOp;  // The op representing the outline, if any
 | 
						|
 | 
						|
  // Pen/brush specifying outline/fill colours
 | 
						|
  // to override operations.
 | 
						|
  const wxPen*      m_outlinePen;
 | 
						|
  const wxBrush*    m_fillBrush;
 | 
						|
  wxList            m_outlineColours; // List of the GDI operations that comprise the outline
 | 
						|
  wxList            m_fillColours; // List of the GDI operations that fill the shape
 | 
						|
  double             m_currentRotation;
 | 
						|
};
 | 
						|
 | 
						|
#define oglDRAWN_ANGLE_0        0
 | 
						|
#define oglDRAWN_ANGLE_90       1
 | 
						|
#define oglDRAWN_ANGLE_180      2
 | 
						|
#define oglDRAWN_ANGLE_270      3
 | 
						|
 | 
						|
class WXDLLIMPEXP_OGL wxDrawnShape: public wxRectangleShape
 | 
						|
{
 | 
						|
 DECLARE_DYNAMIC_CLASS(wxDrawnShape)
 | 
						|
 public:
 | 
						|
  wxDrawnShape();
 | 
						|
  ~wxDrawnShape();
 | 
						|
 | 
						|
  void OnDraw(wxDC& dc);
 | 
						|
 | 
						|
#if wxUSE_PROLOGIO
 | 
						|
  // I/O
 | 
						|
  void WriteAttributes(wxExpr *clause);
 | 
						|
  void ReadAttributes(wxExpr *clause);
 | 
						|
#endif
 | 
						|
 | 
						|
  // Does the copying for this object
 | 
						|
  void Copy(wxShape& copy);
 | 
						|
 | 
						|
  void Scale(double sx, double sy);
 | 
						|
  void Translate(double x, double y);
 | 
						|
  // Rotate about the given axis by theta radians from the x axis.
 | 
						|
  void Rotate(double x, double y, double theta);
 | 
						|
 | 
						|
  // Get current rotation
 | 
						|
  inline double GetRotation() const { return m_rotation; }
 | 
						|
 | 
						|
  void SetSize(double w, double h, bool recursive = true);
 | 
						|
  bool LoadFromMetaFile(const wxString& filename);
 | 
						|
 | 
						|
  inline void SetSaveToFile(bool save) { m_saveToFile = save; }
 | 
						|
  inline wxPseudoMetaFile& GetMetaFile(int which = 0) const { return (wxPseudoMetaFile&) m_metafiles[which]; }
 | 
						|
 | 
						|
  void OnDrawOutline(wxDC& dc, double x, double y, double w, double h);
 | 
						|
 | 
						|
  // Get the perimeter point using the special outline op, if there is one,
 | 
						|
  // otherwise use default wxRectangleShape scheme
 | 
						|
  bool GetPerimeterPoint(double x1, double y1,
 | 
						|
                                     double x2, double y2,
 | 
						|
                                     double *x3, double *y3);
 | 
						|
 | 
						|
  /// Set of functions for drawing into a pseudo metafile.
 | 
						|
  /// They use integers, but doubles are used internally for accuracy
 | 
						|
  /// when scaling.
 | 
						|
 | 
						|
  virtual void DrawLine(const wxPoint& pt1, const wxPoint& pt2);
 | 
						|
  virtual void DrawRectangle(const wxRect& rect);
 | 
						|
  virtual void DrawRoundedRectangle(const wxRect& rect, double radius);
 | 
						|
  virtual void DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt);
 | 
						|
  virtual void DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle);
 | 
						|
  virtual void DrawEllipse(const wxRect& rect);
 | 
						|
  virtual void DrawPoint(const wxPoint& pt);
 | 
						|
  virtual void DrawText(const wxString& text, const wxPoint& pt);
 | 
						|
  virtual void DrawLines(int n, wxPoint pts[]);
 | 
						|
  virtual void DrawPolygon(int n, wxPoint pts[], int flags = 0);
 | 
						|
  virtual void DrawSpline(int n, wxPoint pts[]);
 | 
						|
 | 
						|
  virtual void SetClippingRect(const wxRect& rect);
 | 
						|
  virtual void DestroyClippingRect();
 | 
						|
 | 
						|
  virtual void SetDrawnPen(const wxPen* pen, bool isOutline = false);     // TODO: eventually, just store GDI object attributes, not actual
 | 
						|
  virtual void SetDrawnBrush(const wxBrush* brush, bool isFill = false);  // pens/brushes etc.
 | 
						|
  virtual void SetDrawnFont(wxFont* font);
 | 
						|
  virtual void SetDrawnTextColour(const wxColour& colour);
 | 
						|
  virtual void SetDrawnBackgroundColour(const wxColour& colour);
 | 
						|
  virtual void SetDrawnBackgroundMode(int mode);
 | 
						|
 | 
						|
  // Set the width/height according to the shapes in the metafile.
 | 
						|
  // Call this after drawing into the shape.
 | 
						|
  inline void CalculateSize() { m_metafiles[m_currentAngle].CalculateSize(this); }
 | 
						|
 | 
						|
  inline void DrawAtAngle(int angle) { m_currentAngle = angle; };
 | 
						|
 | 
						|
  inline int GetAngle() const { return m_currentAngle; }
 | 
						|
 | 
						|
// Implementation
 | 
						|
protected:
 | 
						|
  // Which metafile do we use now? Based on current rotation and validity
 | 
						|
  // of metafiles.
 | 
						|
  int DetermineMetaFile(double rotation);
 | 
						|
 | 
						|
private:
 | 
						|
  // One metafile for each 90 degree rotation (or just a single one).
 | 
						|
  wxPseudoMetaFile      m_metafiles[4];
 | 
						|
 | 
						|
  // Don't save all wxDrawnShape metafiles to file: sometimes
 | 
						|
  // we take the metafile data from a symbol library.
 | 
						|
  bool                  m_saveToFile;
 | 
						|
 | 
						|
  // Which angle are we using/drawing into?
 | 
						|
  int                   m_currentAngle;
 | 
						|
};
 | 
						|
 | 
						|
#endif
 | 
						|
    // _DRAWN_H_
 |