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 #ifdef __GNUG__
  11 #pragma implementation "brush.h"
  12 #endif
  13
  14 #include "wx/brush.h"
  15
  16 #include <gdk/gdk.h>
  17
  18 //-----------------------------------------------------------------------------
  19 // wxBrush
  20 //-----------------------------------------------------------------------------
  21
  22 class wxBrushRefData: public wxObjectRefData
  23 {
  24 public:
  25     wxBrushRefData()
  26     {
  27         m_style = 0;
  28     }
  29
  30     wxBrushRefData( const wxBrushRefData& data )
  31     {
  32         m_style = data.m_style;
  33         m_stipple = data.m_stipple;
  34         m_colour = data.m_colour;
  35     }
  36
  37     bool operator == (const wxBrushRefData& data) const
  38     {
  39         return (m_style == data.m_style &&
  40                 m_stipple == data.m_stipple &&
  41                 m_colour == data.m_colour);
  42     }
  43
  44     int       m_style;
  45     wxColour  m_colour;
  46     wxBitmap  m_stipple;
  47 };
  48
  49 //-----------------------------------------------------------------------------
  50
  51 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  52
  53 IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject)
  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
  62 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
  63 {
  64     m_refData = new wxBrushRefData();
  65     M_BRUSHDATA->m_colour = *wxBLACK;
  66
  67     M_BRUSHDATA->m_stipple = stippleBitmap;
  68
  69     if (M_BRUSHDATA->m_stipple.GetMask())
  70         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
  71     else
  72         M_BRUSHDATA->m_style = wxSTIPPLE;
  73 }
  74
  75 wxBrush::~wxBrush()
  76 {
  77     // m_refData unrefed in ~wxObject
  78 }
  79
  80 wxObjectRefData *wxBrush::CreateRefData() const
  81 {
  82     return new wxBrushRefData;
  83 }
  84
  85 wxObjectRefData *wxBrush::CloneRefData(const wxObjectRefData *data) const
  86 {
  87     return new wxBrushRefData(*(wxBrushRefData *)data);
  88 }
  89
  90 bool wxBrush::operator == ( const wxBrush& brush ) const
  91 {
  92     if (m_refData == brush.m_refData) return TRUE;
  93
  94     if (!m_refData || !brush.m_refData) return FALSE;
  95
  96     return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
  97 }
  98
  99 int wxBrush::GetStyle() const
 100 {
 101     if (m_refData == NULL)
 102     {
 103         wxFAIL_MSG( wxT("invalid brush") );
 104         return 0;
 105     }
 106
 107     return M_BRUSHDATA->m_style;
 108 }
 109
 110 wxColour &wxBrush::GetColour() const
 111 {
 112     if (m_refData == NULL)
 113     {
 114         wxFAIL_MSG( wxT("invalid brush") );
 115         return wxNullColour;
 116     }
 117
 118     return M_BRUSHDATA->m_colour;
 119 }
 120
 121 wxBitmap *wxBrush::GetStipple() const
 122 {
 123     if (m_refData == NULL)
 124     {
 125         wxFAIL_MSG( wxT("invalid brush") );
 126         return &wxNullBitmap;
 127     }
 128
 129     return &M_BRUSHDATA->m_stipple;
 130 }
 131
 132 void wxBrush::SetColour( const wxColour& col )
 133 {
 134     AllocExclusive();
 135
 136     M_BRUSHDATA->m_colour = col;
 137 }
 138
 139 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 140 {
 141     AllocExclusive();
 142
 143     M_BRUSHDATA->m_colour.Set( r, g, b );
 144 }
 145
 146 void wxBrush::SetStyle( int style )
 147 {
 148     AllocExclusive();
 149
 150     M_BRUSHDATA->m_style = style;
 151 }
 152
 153 void wxBrush::SetStipple( const wxBitmap& stipple )
 154 {
 155     AllocExclusive();
 156
 157     M_BRUSHDATA->m_stipple = stipple;
 158     if (M_BRUSHDATA->m_stipple.GetMask())
 159     {
 160         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
 161     }
 162     else
 163     {
 164         M_BRUSHDATA->m_style = wxSTIPPLE;
 165     }
 166 }
 167