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 #include "wx/colour.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         : wxObjectRefData()
  32     {
  33         m_style = data.m_style;
  34         m_stipple = data.m_stipple;
  35         m_colour = data.m_colour;
  36     }
  37
  38     bool operator == (const wxBrushRefData& data) const
  39     {
  40         return (m_style == data.m_style &&
  41                 m_stipple == data.m_stipple &&
  42                 m_colour == data.m_colour);
  43     }
  44
  45     int       m_style;
  46     wxColour  m_colour;
  47     wxBitmap  m_stipple;
  48 };
  49
  50 //-----------------------------------------------------------------------------
  51
  52 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  53
  54 IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject)
  55
  56 wxBrush::wxBrush( const wxColour &colour, int style )
  57 {
  58     m_refData = new wxBrushRefData();
  59     M_BRUSHDATA->m_style = style;
  60     M_BRUSHDATA->m_colour = colour;
  61 }
  62
  63 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
  64 {
  65     m_refData = new wxBrushRefData();
  66     M_BRUSHDATA->m_colour = *wxBLACK;
  67
  68     M_BRUSHDATA->m_stipple = stippleBitmap;
  69
  70     if (M_BRUSHDATA->m_stipple.GetMask())
  71         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
  72     else
  73         M_BRUSHDATA->m_style = wxSTIPPLE;
  74 }
  75
  76 wxBrush::~wxBrush()
  77 {
  78     // m_refData unrefed in ~wxObject
  79 }
  80
  81 wxObjectRefData *wxBrush::CreateRefData() const
  82 {
  83     return new wxBrushRefData;
  84 }
  85
  86 wxObjectRefData *wxBrush::CloneRefData(const wxObjectRefData *data) const
  87 {
  88     return new wxBrushRefData(*(wxBrushRefData *)data);
  89 }
  90
  91 bool wxBrush::operator == ( const wxBrush& brush ) const
  92 {
  93     if (m_refData == brush.m_refData) return true;
  94
  95     if (!m_refData || !brush.m_refData) return false;
  96
  97     return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
  98 }
  99
 100 int wxBrush::GetStyle() const
 101 {
 102     if (m_refData == NULL)
 103     {
 104         wxFAIL_MSG( wxT("invalid brush") );
 105         return 0;
 106     }
 107
 108     return M_BRUSHDATA->m_style;
 109 }
 110
 111 wxColour &wxBrush::GetColour() const
 112 {
 113     if (m_refData == NULL)
 114     {
 115         wxFAIL_MSG( wxT("invalid brush") );
 116         return wxNullColour;
 117     }
 118
 119     return M_BRUSHDATA->m_colour;
 120 }
 121
 122 wxBitmap *wxBrush::GetStipple() const
 123 {
 124     if (m_refData == NULL)
 125     {
 126         wxFAIL_MSG( wxT("invalid brush") );
 127         return &wxNullBitmap;
 128     }
 129
 130     return &M_BRUSHDATA->m_stipple;
 131 }
 132
 133 void wxBrush::SetColour( const wxColour& col )
 134 {
 135     AllocExclusive();
 136
 137     M_BRUSHDATA->m_colour = col;
 138 }
 139
 140 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 141 {
 142     AllocExclusive();
 143
 144     M_BRUSHDATA->m_colour.Set( r, g, b );
 145 }
 146
 147 void wxBrush::SetStyle( int style )
 148 {
 149     AllocExclusive();
 150
 151     M_BRUSHDATA->m_style = style;
 152 }
 153
 154 void wxBrush::SetStipple( const wxBitmap& stipple )
 155 {
 156     AllocExclusive();
 157
 158     M_BRUSHDATA->m_stipple = stipple;
 159     if (M_BRUSHDATA->m_stipple.GetMask())
 160     {
 161         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
 162     }
 163     else
 164     {
 165         M_BRUSHDATA->m_style = wxSTIPPLE;
 166     }
 167 }