include/wx/os2/pen.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/os2/pen.h
   3 // Purpose:     wxPen class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/10/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PEN_H_
  13 #define _WX_PEN_H_
  14
  15 #include "wx/gdiobj.h"
  16 #include "wx/bitmap.h"
  17
  18 typedef long wxPMDash;
  19
  20 class WXDLLEXPORT wxPen;
  21
  22 class WXDLLEXPORT wxPenRefData: public wxGDIRefData
  23 {
  24     friend class WXDLLEXPORT wxPen;
  25 public:
  26     wxPenRefData();
  27     wxPenRefData(const wxPenRefData& rData);
  28     ~wxPenRefData();
  29
  30 protected:
  31     int                             m_nWidth;
  32     int                             m_nStyle;
  33     int                             m_nJoin;
  34     int                             m_nCap;
  35     wxBitmap                        m_vStipple;
  36     wxColour                        m_vColour;
  37     WXHPEN                          m_hPen;// in OS/2 GPI this will be the PS the pen is associated with
  38 };
  39
  40 #define M_PENDATA ((wxPenRefData *)m_refData)
  41
  42 // Pen
  43 class WXDLLEXPORT wxPen : public wxGDIObject
  44 {
  45     DECLARE_DYNAMIC_CLASS(wxPen)
  46 public:
  47     wxPen();
  48     wxPen( const wxColour& rColour
  49           ,int             nWidth = 1
  50           ,int             nStyle = wxSOLID
  51          );
  52     wxPen( const wxBitmap& rStipple
  53           ,int             nWidth
  54          );
  55     inline wxPen(const wxPen& rPen) { Ref(rPen); }
  56     ~wxPen();
  57
  58     inline wxPen& operator =  (const wxPen& rPen)
  59         { if (*this == rPen) return (*this); Ref(rPen); return *this; }
  60     inline bool   operator == (const wxPen& rPen) const
  61         { return m_refData == rPen.m_refData; }
  62     inline bool   operator != (const wxPen& rPen) const
  63         { return m_refData != rPen.m_refData; }
  64
  65     virtual bool Ok(void) const { return (m_refData != NULL); }
  66
  67     //
  68     // Override in order to recreate the pen
  69     //
  70     void SetColour(const wxColour& rColour);
  71     void SetColour( unsigned char cRed
  72                    ,unsigned char cGreen
  73                    ,unsigned char cBlue
  74                   );
  75
  76     void SetWidth(int nWidth);
  77     void SetStyle(int nStyle);
  78     void SetStipple(const wxBitmap& rStipple);
  79     void SetDashes( int           nNbDashes
  80                    ,const wxDash* pDash
  81                   );
  82     void SetJoin(int nJoin);
  83     void SetCap(int nCap);
  84     void SetPS(HPS hPS);
  85
  86     inline wxColour& GetColour(void) const { return (M_PENDATA ? M_PENDATA->m_vColour : wxNullColour); };
  87     inline int       GetWidth(void) const { return (M_PENDATA ? M_PENDATA->m_nWidth : 0); };
  88     inline int       GetStyle(void) const { return (M_PENDATA ? M_PENDATA->m_nStyle : 0); };
  89     inline int       GetJoin(void) const { return (M_PENDATA ? M_PENDATA->m_nJoin : 0); };
  90     inline int       GetCap(void) const { return (M_PENDATA ? M_PENDATA->m_nCap : 0); };
  91     inline int       GetPS(void) const { return (M_PENDATA ? M_PENDATA->m_hPen : 0); };
  92
  93     inline wxBitmap* GetStipple(void) const { return (M_PENDATA ? (& M_PENDATA->m_vStipple) : (wxBitmap*) NULL); };
  94
  95     //
  96     // Implementation
  97     //
  98
  99     //
 100     // Useful helper: create the brush resource
 101     //
 102     bool     RealizeResource(void);
 103     bool     FreeResource(bool bForce = FALSE);
 104     WXHANDLE GetResourceHandle(void);
 105     bool     IsFree(void) const;
 106     void     Unshare(void);
 107
 108 private:
 109     LINEBUNDLE                     m_vLineBundle;
 110     AREABUNDLE                     m_vAreaBundle;
 111 }; // end of CLASS wxPen
 112
 113 extern int wx2os2PenStyle(int nWxStyle);
 114
 115 #endif
 116     // _WX_PEN_H_