include/wx/cocoa/pen.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/cocoa/pen.h
   3 // Purpose:     wxPen class
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     22.03.2003
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PEN_H_
  13 #define _WX_PEN_H_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16 #pragma interface "pen.h"
  17 #endif
  18
  19 #include "wx/gdiobj.h"
  20 #include "wx/colour.h"
  21 #include "wx/bitmap.h"
  22
  23 class WXDLLEXPORT wxPen;
  24
  25 class WXDLLEXPORT wxPenRefData: public wxGDIRefData
  26 {
  27     friend class WXDLLEXPORT wxPen;
  28 public:
  29     wxPenRefData();
  30     wxPenRefData(const wxPenRefData& data);
  31     ~wxPenRefData();
  32
  33     wxPenRefData& operator=(const wxPenRefData& data);
  34
  35 protected:
  36   int           m_width;
  37   int           m_style;
  38   int           m_join ;
  39   int           m_cap ;
  40   wxBitmap      m_stipple ;
  41   int           m_nbDash ;
  42   wxDash *      m_dash ;
  43   wxColour      m_colour;
  44 /* TODO: implementation
  45   WXHPEN        m_hPen;
  46 */
  47 };
  48
  49 #define M_PENDATA ((wxPenRefData *)m_refData)
  50
  51 // Pen
  52 class WXDLLEXPORT wxPen: public wxGDIObject
  53 {
  54   DECLARE_DYNAMIC_CLASS(wxPen)
  55 public:
  56   wxPen();
  57   wxPen(const wxColour& col, int width = 1, int style = wxSOLID);
  58   wxPen(const wxBitmap& stipple, int width);
  59   wxPen(const wxPen& pen)
  60       : wxGDIObject()
  61       { Ref(pen); }
  62   ~wxPen();
  63
  64   inline wxPen& operator = (const wxPen& pen) { if (*this == pen) return (*this); Ref(pen); return *this; }
  65   inline bool operator == (const wxPen& pen) { return m_refData == pen.m_refData; }
  66   inline bool operator != (const wxPen& pen) { return m_refData != pen.m_refData; }
  67
  68   virtual bool Ok() const { return (m_refData != NULL) ; }
  69
  70   // Override in order to recreate the pen
  71   void SetColour(const wxColour& col) ;
  72   void SetColour(unsigned char r, unsigned char g, unsigned char b)  ;
  73
  74   void SetWidth(int width)  ;
  75   void SetStyle(int style)  ;
  76   void SetStipple(const wxBitmap& stipple)  ;
  77   void SetDashes(int nb_dashes, const wxDash *dash)  ;
  78   void SetJoin(int join)  ;
  79   void SetCap(int cap)  ;
  80
  81   inline wxColour& GetColour() const { return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour); };
  82   inline int GetWidth() const { return (M_PENDATA ? M_PENDATA->m_width : 0); };
  83   inline int GetStyle() const { return (M_PENDATA ? M_PENDATA->m_style : 0); };
  84   inline int GetJoin() const { return (M_PENDATA ? M_PENDATA->m_join : 0); };
  85   inline int GetCap() const { return (M_PENDATA ? M_PENDATA->m_cap : 0); };
  86   inline int GetDashes(wxDash **ptr) const {
  87      *ptr = (M_PENDATA ? M_PENDATA->m_dash : (wxDash*) NULL); return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
  88   }
  89
  90   inline wxBitmap *GetStipple() const { return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL); };
  91
  92 // Implementation
  93
  94   // Useful helper: create the brush resource
  95   bool RealizeResource();
  96
  97   // When setting properties, we must make sure we're not changing
  98   // another object
  99   void Unshare();
 100 };
 101
 102 #endif
 103     // _WX_PEN_H_