src/gtk/brush.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/brush.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/brush.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/bitmap.h"
  17     #include "wx/colour.h"
  18 #endif
  19
  20 //-----------------------------------------------------------------------------
  21 // wxBrush
  22 //-----------------------------------------------------------------------------
  23
  24 class wxBrushRefData: public wxGDIRefData
  25 {
  26 public:
  27     wxBrushRefData(const wxColour& colour = wxNullColour, wxBrushStyle style = wxBRUSHSTYLE_SOLID)
  28     {
  29         m_style = style;
  30         m_colour = colour;
  31     }
  32
  33     wxBrushRefData( const wxBrushRefData& data )
  34         : wxGDIRefData()
  35     {
  36         m_style = data.m_style;
  37         m_stipple = data.m_stipple;
  38         m_colour = data.m_colour;
  39     }
  40
  41     bool operator == (const wxBrushRefData& data) const
  42     {
  43         return (m_style == data.m_style &&
  44                 m_stipple.IsSameAs(data.m_stipple) &&
  45                 m_colour == data.m_colour);
  46     }
  47
  48     wxBrushStyle m_style;
  49     wxColour     m_colour;
  50     wxBitmap     m_stipple;
  51 };
  52
  53 //-----------------------------------------------------------------------------
  54
  55 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  56
  57 IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject)
  58
  59 wxBrush::wxBrush( const wxColour &colour, wxBrushStyle style )
  60 {
  61     m_refData = new wxBrushRefData(colour, style);
  62 }
  63
  64 #if FUTURE_WXWIN_COMPATIBILITY_3_0
  65 wxBrush::wxBrush(const wxColour& col, int style)
  66 {
  67     m_refData = new wxBrushRefData(col, (wxBrushStyle)style);
  68 }
  69 #endif
  70
  71 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
  72 {
  73     wxBrushStyle style = wxBRUSHSTYLE_STIPPLE;
  74     if (stippleBitmap.GetMask())
  75         style = wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE;
  76
  77     m_refData = new wxBrushRefData(*wxBLACK, style);
  78     M_BRUSHDATA->m_stipple = stippleBitmap;
  79 }
  80
  81 wxBrush::~wxBrush()
  82 {
  83     // m_refData unrefed in ~wxObject
  84 }
  85
  86 wxGDIRefData *wxBrush::CreateGDIRefData() const
  87 {
  88     return new wxBrushRefData;
  89 }
  90
  91 wxGDIRefData *wxBrush::CloneGDIRefData(const wxGDIRefData *data) const
  92 {
  93     return new wxBrushRefData(*(wxBrushRefData *)data);
  94 }
  95
  96 bool wxBrush::operator==(const wxBrush& brush) const
  97 {
  98     if (m_refData == brush.m_refData) return true;
  99
 100     if (!m_refData || !brush.m_refData) return false;
 101
 102     return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
 103 }
 104
 105 wxBrushStyle wxBrush::GetStyle() const
 106 {
 107     wxCHECK_MSG( Ok(), wxBRUSHSTYLE_INVALID, _T("invalid brush") );
 108
 109     return M_BRUSHDATA->m_style;
 110 }
 111
 112 wxColour &wxBrush::GetColour() const
 113 {
 114     wxCHECK_MSG( Ok(), wxNullColour, _T("invalid brush") );
 115
 116     return M_BRUSHDATA->m_colour;
 117 }
 118
 119 wxBitmap *wxBrush::GetStipple() const
 120 {
 121     wxCHECK_MSG( Ok(), NULL, _T("invalid brush") );
 122
 123     return &M_BRUSHDATA->m_stipple;
 124 }
 125
 126 void wxBrush::SetColour( const wxColour& col )
 127 {
 128     AllocExclusive();
 129
 130     M_BRUSHDATA->m_colour = col;
 131 }
 132
 133 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 134 {
 135     AllocExclusive();
 136
 137     M_BRUSHDATA->m_colour.Set( r, g, b );
 138 }
 139
 140 void wxBrush::SetStyle( wxBrushStyle style )
 141 {
 142     AllocExclusive();
 143
 144     M_BRUSHDATA->m_style = style;
 145 }
 146
 147 void wxBrush::SetStipple( const wxBitmap& stipple )
 148 {
 149     AllocExclusive();
 150
 151     M_BRUSHDATA->m_stipple = stipple;
 152     if (M_BRUSHDATA->m_stipple.GetMask())
 153     {
 154         M_BRUSHDATA->m_style = wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE;
 155     }
 156     else
 157     {
 158         M_BRUSHDATA->m_style = wxBRUSHSTYLE_STIPPLE;
 159     }
 160 }