include/wx/msw/pen.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        pen.h
   3 // Purpose:     wxPen class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __PENH__
  13 #define __PENH__
  14
  15 #ifdef __GNUG__
  16 #pragma interface "pen.h"
  17 #endif
  18
  19 #include "wx/gdiobj.h"
  20
  21 typedef    WXDWORD  wxDash ;
  22
  23 class WXDLLEXPORT wxPen;
  24
  25 class WXDLLEXPORT wxPenRefData: public wxGDIRefData
  26 {
  27     friend class WXDLLEXPORT wxPen;
  28 public:
  29     wxPenRefData(void);
  30     ~wxPenRefData(void);
  31
  32 protected:
  33   int           m_width;
  34   int           m_style;
  35   int           m_join ;
  36   int           m_cap ;
  37   wxBitmap      m_stipple ;
  38   int           m_nbDash ;
  39   wxDash *      m_dash ;
  40   wxColour      m_colour;
  41   WXHPEN        m_hPen;
  42 };
  43
  44 #define M_PENDATA ((wxPenRefData *)m_refData)
  45
  46 // Pen
  47 class WXDLLEXPORT wxPen: public wxGDIObject
  48 {
  49   DECLARE_DYNAMIC_CLASS(wxPen)
  50 public:
  51   wxPen(void);
  52   wxPen(const wxColour& col, int width, int style);
  53   wxPen(const wxString& col, int width, int style);
  54   wxPen(const wxBitmap& stipple, int width);
  55   inline wxPen(const wxPen& pen) { Ref(pen); }
  56   inline wxPen(const wxPen* pen) { /* UnRef(); */ if (pen) Ref(*pen); }
  57   ~wxPen(void);
  58
  59   inline wxPen& operator = (const wxPen& pen) { if (*this == pen) return (*this); Ref(pen); return *this; }
  60   inline bool operator == (const wxPen& pen) { return m_refData == pen.m_refData; }
  61   inline bool operator != (const wxPen& pen) { return m_refData != pen.m_refData; }
  62
  63   virtual bool Ok(void) const { return (m_refData != NULL) ; }
  64
  65   // Override in order to recreate the pen
  66   void SetColour(const wxColour& col) ;
  67   void SetColour(const wxString& col)  ;
  68   void SetColour(const unsigned char r, const unsigned char g, const unsigned char b)  ;
  69
  70   void SetWidth(int width)  ;
  71   void SetStyle(int style)  ;
  72   void SetStipple(const wxBitmap& stipple)  ;
  73   void SetDashes(int nb_dashes, const wxDash *dash)  ;
  74   void SetJoin(int join)  ;
  75   void SetCap(int cap)  ;
  76
  77   inline wxColour& GetColour(void) const { return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour); };
  78   inline int GetWidth(void) const { return (M_PENDATA ? M_PENDATA->m_width : 0); };
  79   inline int GetStyle(void) const { return (M_PENDATA ? M_PENDATA->m_style : 0); };
  80   inline int GetJoin(void) const { return (M_PENDATA ? M_PENDATA->m_join : 0); };
  81   inline int GetCap(void) const { return (M_PENDATA ? M_PENDATA->m_cap : 0); };
  82   inline int GetDashes(wxDash **ptr) const {
  83      *ptr = (M_PENDATA ? M_PENDATA->m_dash : NULL); return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
  84   }
  85
  86   inline wxBitmap *GetStipple(void) const { return (M_PENDATA ? (& M_PENDATA->m_stipple) : NULL); };
  87
  88   // Internal
  89   bool RealizeResource(void);
  90   bool FreeResource(bool force = FALSE);
  91   WXHANDLE GetResourceHandle(void) ;
  92   bool IsFree(void);
  93 };
  94
  95 int wx2msPenStyle(int wx_style);
  96
  97 #endif
  98     // __PENH__