include/wx/os2/pen.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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& data);
  28     ~wxPenRefData();
  29
  30 protected:
  31   int           m_width;
  32   int           m_style;
  33   int           m_join ;
  34   int           m_cap ;
  35   wxBitmap      m_stipple ;
  36   int           m_nbDash ;
  37   wxPMDash *    m_dash ;
  38   wxColour      m_colour;
  39   WXHPEN        m_hPen;
  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& col, int width, int style);
  51   wxPen(const wxBitmap& stipple, int width);
  52   inline wxPen(const wxPen& pen) { Ref(pen); }
  53   ~wxPen();
  54
  55   inline wxPen& operator = (const wxPen& pen) { if (*this == pen) return (*this); Ref(pen); return *this; }
  56   inline bool operator == (const wxPen& pen) { return m_refData == pen.m_refData; }
  57   inline bool operator != (const wxPen& pen) { return m_refData != pen.m_refData; }
  58
  59   virtual bool Ok() const { return (m_refData != NULL) ; }
  60
  61   // Override in order to recreate the pen
  62   void SetColour(const wxColour& col) ;
  63   void SetColour(unsigned char r, unsigned char g, unsigned char b)  ;
  64
  65   void SetWidth(int width)  ;
  66   void SetStyle(int style)  ;
  67   void SetStipple(const wxBitmap& stipple)  ;
  68   void SetDashes(int nb_dashes, const wxDash *dash)  ;
  69   void SetJoin(int join)  ;
  70   void SetCap(int cap)  ;
  71
  72   inline wxColour& GetColour() const { return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour); };
  73   inline int GetWidth() const { return (M_PENDATA ? M_PENDATA->m_width : 0); };
  74   inline int GetStyle() const { return (M_PENDATA ? M_PENDATA->m_style : 0); };
  75   inline int GetJoin() const { return (M_PENDATA ? M_PENDATA->m_join : 0); };
  76   inline int GetCap() const { return (M_PENDATA ? M_PENDATA->m_cap : 0); };
  77   inline int GetDashes(wxDash **ptr) const
  78   {
  79     *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
  80     return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
  81   }
  82
  83   inline wxBitmap *GetStipple() const { return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL); };
  84
  85 // Implementation
  86
  87   // Useful helper: create the brush resource
  88   bool RealizeResource();
  89   bool FreeResource(bool force = FALSE);
  90   WXHANDLE GetResourceHandle() ;
  91   bool IsFree() const;
  92   void Unshare();
  93 };
  94
  95 #endif
  96     // _WX_PEN_H_