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/colour.h"
  17 #endif
  18
  19 #include <gdk/gdk.h>
  20
  21 //-----------------------------------------------------------------------------
  22 // wxBrush
  23 //-----------------------------------------------------------------------------
  24
  25 class wxBrushRefData: public wxObjectRefData
  26 {
  27 public:
  28     wxBrushRefData()
  29     {
  30         m_style = 0;
  31     }
  32
  33     wxBrushRefData( const wxBrushRefData& data )
  34         : wxObjectRefData()
  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 == data.m_stipple &&
  45                 m_colour == data.m_colour);
  46     }
  47
  48     int       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, int style )
  60 {
  61     m_refData = new wxBrushRefData();
  62     M_BRUSHDATA->m_style = style;
  63     M_BRUSHDATA->m_colour = colour;
  64 }
  65
  66 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
  67 {
  68     m_refData = new wxBrushRefData();
  69     M_BRUSHDATA->m_colour = *wxBLACK;
  70
  71     M_BRUSHDATA->m_stipple = stippleBitmap;
  72
  73     if (M_BRUSHDATA->m_stipple.GetMask())
  74         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
  75     else
  76         M_BRUSHDATA->m_style = wxSTIPPLE;
  77 }
  78
  79 wxBrush::~wxBrush()
  80 {
  81     // m_refData unrefed in ~wxObject
  82 }
  83
  84 wxObjectRefData *wxBrush::CreateRefData() const
  85 {
  86     return new wxBrushRefData;
  87 }
  88
  89 wxObjectRefData *wxBrush::CloneRefData(const wxObjectRefData *data) const
  90 {
  91     return new wxBrushRefData(*(wxBrushRefData *)data);
  92 }
  93
  94 bool wxBrush::operator == ( const wxBrush& brush ) const
  95 {
  96     if (m_refData == brush.m_refData) return true;
  97
  98     if (!m_refData || !brush.m_refData) return false;
  99
 100     return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
 101 }
 102
 103 int wxBrush::GetStyle() const
 104 {
 105     if (m_refData == NULL)
 106     {
 107         wxFAIL_MSG( wxT("invalid brush") );
 108         return 0;
 109     }
 110
 111     return M_BRUSHDATA->m_style;
 112 }
 113
 114 wxColour &wxBrush::GetColour() const
 115 {
 116     if (m_refData == NULL)
 117     {
 118         wxFAIL_MSG( wxT("invalid brush") );
 119         return wxNullColour;
 120     }
 121
 122     return M_BRUSHDATA->m_colour;
 123 }
 124
 125 wxBitmap *wxBrush::GetStipple() const
 126 {
 127     if (m_refData == NULL)
 128     {
 129         wxFAIL_MSG( wxT("invalid brush") );
 130         return &wxNullBitmap;
 131     }
 132
 133     return &M_BRUSHDATA->m_stipple;
 134 }
 135
 136 void wxBrush::SetColour( const wxColour& col )
 137 {
 138     AllocExclusive();
 139
 140     M_BRUSHDATA->m_colour = col;
 141 }
 142
 143 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 144 {
 145     AllocExclusive();
 146
 147     M_BRUSHDATA->m_colour.Set( r, g, b );
 148 }
 149
 150 void wxBrush::SetStyle( int style )
 151 {
 152     AllocExclusive();
 153
 154     M_BRUSHDATA->m_style = style;
 155 }
 156
 157 void wxBrush::SetStipple( const wxBitmap& stipple )
 158 {
 159     AllocExclusive();
 160
 161     M_BRUSHDATA->m_stipple = stipple;
 162     if (M_BRUSHDATA->m_stipple.GetMask())
 163     {
 164         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
 165     }
 166     else
 167     {
 168         M_BRUSHDATA->m_style = wxSTIPPLE;
 169     }
 170 }