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     virtual ~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     int                             m_nbDash;
  37     wxDash *                        m_dash;
  38     wxColour                        m_vColour;
  39     WXHPEN                          m_hPen;// in OS/2 GPI this will be the PS the pen is associated with
  40 };
  41
  42 #define M_PENDATA ((wxPenRefData *)m_refData)
  43
  44 // Pen
  45 class WXDLLEXPORT wxPen : public wxGDIObject
  46 {
  47     DECLARE_DYNAMIC_CLASS(wxPen)
  48 public:
  49     wxPen();
  50     wxPen( const wxColour& rColour
  51           ,int             nWidth = 1
  52           ,int             nStyle = wxSOLID
  53          );
  54     wxPen( const wxBitmap& rStipple
  55           ,int             nWidth
  56          );
  57     virtual ~wxPen();
  58
  59     inline bool   operator == (const wxPen& rPen) const
  60         { return m_refData == rPen.m_refData; }
  61     inline bool   operator != (const wxPen& rPen) const
  62         { return m_refData != rPen.m_refData; }
  63
  64     virtual bool Ok() const { return IsOk(); }
  65     virtual bool IsOk(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, unsigned char cGreen, unsigned char cBlue);
  72
  73     void SetWidth(int nWidth);
  74     void SetStyle(int nStyle);
  75     void SetStipple(const wxBitmap& rStipple);
  76     void SetDashes( int           nNbDashes
  77                    ,const wxDash* pDash
  78                   );
  79     void SetJoin(int nJoin);
  80     void SetCap(int nCap);
  81     void SetPS(HPS hPS);
  82
  83     inline wxColour& GetColour(void) const { return (M_PENDATA ? M_PENDATA->m_vColour : wxNullColour); };
  84     inline int       GetWidth(void) const { return (M_PENDATA ? M_PENDATA->m_nWidth : 0); };
  85     inline int       GetStyle(void) const { return (M_PENDATA ? M_PENDATA->m_nStyle : 0); };
  86     inline int       GetJoin(void) const { return (M_PENDATA ? M_PENDATA->m_nJoin : 0); };
  87     inline int       GetCap(void) const { return (M_PENDATA ? M_PENDATA->m_nCap : 0); };
  88     inline int       GetPS(void) const { return (M_PENDATA ? M_PENDATA->m_hPen : 0); };
  89     inline int       GetDashes(wxDash **ptr) const
  90     {
  91         *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
  92         return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
  93     }
  94     inline wxDash*   GetDash() const { return (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*)NULL); };
  95     inline int       GetDashCount() const { return (M_PENDATA ? M_PENDATA->m_nbDash : 0); };
  96
  97     inline wxBitmap* GetStipple(void) const { return (M_PENDATA ? (& M_PENDATA->m_vStipple) : (wxBitmap*) NULL); };
  98
  99     //
 100     // Implementation
 101     //
 102
 103     //
 104     // Useful helper: create the brush resource
 105     //
 106     bool     RealizeResource(void);
 107     bool     FreeResource(bool bForce = false);
 108     WXHANDLE GetResourceHandle(void);
 109     bool     IsFree(void) const;
 110     void     Unshare(void);
 111
 112 private:
 113     LINEBUNDLE                     m_vLineBundle;
 114     AREABUNDLE                     m_vAreaBundle;
 115 }; // end of CLASS wxPen
 116
 117 extern int wx2os2PenStyle(int nWxStyle);
 118
 119 #endif
 120     // _WX_PEN_H_