src/gtk/brush.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        brush.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "brush.h"
  12 #endif
  13
  14 #include "wx/brush.h"
  15
  16 //-----------------------------------------------------------------------------
  17 // wxBrush
  18 //-----------------------------------------------------------------------------
  19
  20 class wxBrushRefData: public wxObjectRefData
  21 {
  22   public:
  23
  24     wxBrushRefData(void);
  25     wxBrushRefData( const wxBrushRefData& data );
  26
  27     int        m_style;
  28     wxBitmap   m_stipple;
  29     wxColour   m_colour;
  30 };
  31
  32 wxBrushRefData::wxBrushRefData(void)
  33 {
  34   m_style = 0;
  35 }
  36
  37 wxBrushRefData::wxBrushRefData( const wxBrushRefData& data )
  38 {
  39   m_style = data.m_style;
  40   m_stipple = data.m_stipple;
  41   m_colour = data.m_colour;
  42 }
  43
  44 //-----------------------------------------------------------------------------
  45
  46 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject)
  49
  50 wxBrush::wxBrush(void)
  51 {
  52   if (wxTheBrushList) wxTheBrushList->AddBrush( this );
  53 }
  54
  55 wxBrush::wxBrush( const wxColour &colour, int style )
  56 {
  57   m_refData = new wxBrushRefData();
  58   M_BRUSHDATA->m_style = style;
  59   M_BRUSHDATA->m_colour = colour;
  60
  61   if (wxTheBrushList) wxTheBrushList->AddBrush( this );
  62 }
  63
  64 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
  65 {
  66   m_refData = new wxBrushRefData();
  67   M_BRUSHDATA->m_style = wxSTIPPLE;
  68   M_BRUSHDATA->m_colour = *wxBLACK;
  69   M_BRUSHDATA->m_stipple = stippleBitmap;
  70
  71   if (wxTheBrushList) wxTheBrushList->AddBrush( this );
  72 }
  73
  74 wxBrush::wxBrush( const wxBrush &brush )
  75 {
  76   Ref( brush );
  77
  78   if (wxTheBrushList) wxTheBrushList->AddBrush( this );
  79 }
  80
  81 wxBrush::wxBrush( const wxBrush *brush )
  82 {
  83   if (brush) Ref( *brush );
  84
  85   if (wxTheBrushList) wxTheBrushList->Append( this );
  86 }
  87
  88 wxBrush::~wxBrush(void)
  89 {
  90   if (wxTheBrushList) wxTheBrushList->RemoveBrush( this );
  91 }
  92
  93 wxBrush& wxBrush::operator = ( const wxBrush& brush )
  94 {
  95   if (*this == brush) return (*this);
  96   Ref( brush );
  97   return *this;
  98 }
  99
 100 bool wxBrush::operator == ( const wxBrush& brush )
 101 {
 102   return m_refData == brush.m_refData;
 103 }
 104
 105 bool wxBrush::operator != ( const wxBrush& brush )
 106 {
 107   return m_refData != brush.m_refData;
 108 }
 109
 110 bool wxBrush::Ok(void) const
 111 {
 112   return ((m_refData) && M_BRUSHDATA->m_colour.Ok());
 113 }
 114
 115 int wxBrush::GetStyle(void) const
 116 {
 117   if (m_refData == NULL)
 118   {
 119     wxFAIL_MSG( "invalid brush" );
 120     return 0;
 121   }
 122
 123   return M_BRUSHDATA->m_style;
 124 }
 125
 126 wxColour &wxBrush::GetColour(void) const
 127 {
 128   if (m_refData == NULL)
 129   {
 130     wxFAIL_MSG( "invalid brush" );
 131     return wxNullColour;
 132   }
 133
 134   return M_BRUSHDATA->m_colour;
 135 }
 136
 137 wxBitmap *wxBrush::GetStipple(void) const
 138 {
 139   if (m_refData == NULL)
 140   {
 141     wxFAIL_MSG( "invalid brush" );
 142     return &wxNullBitmap;
 143   }
 144
 145   return &M_BRUSHDATA->m_stipple;
 146 }
 147
 148 void wxBrush::SetColour( const wxColour& col )
 149 {
 150   Unshare();
 151   M_BRUSHDATA->m_colour = col;
 152 }
 153
 154 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 155 {
 156   Unshare();
 157   M_BRUSHDATA->m_colour.Set( r, g, b );
 158 }
 159
 160 void wxBrush::SetStyle( int style )
 161 {
 162   Unshare();
 163   M_BRUSHDATA->m_style = style;
 164 }
 165
 166 void wxBrush::SetStipple( const wxBitmap& stipple )
 167 {
 168   Unshare();
 169   M_BRUSHDATA->m_stipple = stipple;
 170 }
 171
 172 void wxBrush::Unshare(void)
 173 {
 174   if (!m_refData)
 175   {
 176     m_refData = new wxBrushRefData();
 177   }
 178   else
 179   {
 180     wxBrushRefData* ref = new wxBrushRefData( *(wxBrushRefData*)m_refData );
 181     UnRef();
 182     m_refData = ref;
 183   }
 184 }
 185