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 #include "wx/colour.h"
  16
  17 #include <gdk/gdk.h>
  18
  19 //-----------------------------------------------------------------------------
  20 // wxBrush
  21 //-----------------------------------------------------------------------------
  22
  23 class wxBrushRefData: public wxObjectRefData
  24 {
  25 public:
  26     wxBrushRefData()
  27     {
  28         m_style = 0;
  29     }
  30
  31     wxBrushRefData( const wxBrushRefData& data )
  32         : wxObjectRefData()
  33     {
  34         m_style = data.m_style;
  35         m_stipple = data.m_stipple;
  36         m_colour = data.m_colour;
  37     }
  38
  39     bool operator == (const wxBrushRefData& data) const
  40     {
  41         return (m_style == data.m_style &&
  42                 m_stipple == data.m_stipple &&
  43                 m_colour == data.m_colour);
  44     }
  45
  46     int       m_style;
  47     wxColour  m_colour;
  48     wxBitmap  m_stipple;
  49 };
  50
  51 //-----------------------------------------------------------------------------
  52
  53 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  54
  55 IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject)
  56
  57 wxBrush::wxBrush( const wxColour &colour, int style )
  58 {
  59     m_refData = new wxBrushRefData();
  60     M_BRUSHDATA->m_style = style;
  61     M_BRUSHDATA->m_colour = colour;
  62 }
  63
  64 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
  65 {
  66     m_refData = new wxBrushRefData();
  67     M_BRUSHDATA->m_colour = *wxBLACK;
  68
  69     M_BRUSHDATA->m_stipple = stippleBitmap;
  70
  71     if (M_BRUSHDATA->m_stipple.GetMask())
  72         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
  73     else
  74         M_BRUSHDATA->m_style = wxSTIPPLE;
  75 }
  76
  77 wxBrush::~wxBrush()
  78 {
  79     // m_refData unrefed in ~wxObject
  80 }
  81
  82 wxObjectRefData *wxBrush::CreateRefData() const
  83 {
  84     return new wxBrushRefData;
  85 }
  86
  87 wxObjectRefData *wxBrush::CloneRefData(const wxObjectRefData *data) const
  88 {
  89     return new wxBrushRefData(*(wxBrushRefData *)data);
  90 }
  91
  92 bool wxBrush::operator == ( const wxBrush& brush ) const
  93 {
  94     if (m_refData == brush.m_refData) return TRUE;
  95
  96     if (!m_refData || !brush.m_refData) return FALSE;
  97
  98     return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
  99 }
 100
 101 int wxBrush::GetStyle() const
 102 {
 103     if (m_refData == NULL)
 104     {
 105         wxFAIL_MSG( wxT("invalid brush") );
 106         return 0;
 107     }
 108
 109     return M_BRUSHDATA->m_style;
 110 }
 111
 112 wxColour &wxBrush::GetColour() const
 113 {
 114     if (m_refData == NULL)
 115     {
 116         wxFAIL_MSG( wxT("invalid brush") );
 117         return wxNullColour;
 118     }
 119
 120     return M_BRUSHDATA->m_colour;
 121 }
 122
 123 wxBitmap *wxBrush::GetStipple() const
 124 {
 125     if (m_refData == NULL)
 126     {
 127         wxFAIL_MSG( wxT("invalid brush") );
 128         return &wxNullBitmap;
 129     }
 130
 131     return &M_BRUSHDATA->m_stipple;
 132 }
 133
 134 void wxBrush::SetColour( const wxColour& col )
 135 {
 136     AllocExclusive();
 137
 138     M_BRUSHDATA->m_colour = col;
 139 }
 140
 141 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 142 {
 143     AllocExclusive();
 144
 145     M_BRUSHDATA->m_colour.Set( r, g, b );
 146 }
 147
 148 void wxBrush::SetStyle( int style )
 149 {
 150     AllocExclusive();
 151
 152     M_BRUSHDATA->m_style = style;
 153 }
 154
 155 void wxBrush::SetStipple( const wxBitmap& stipple )
 156 {
 157     AllocExclusive();
 158
 159     M_BRUSHDATA->m_stipple = stipple;
 160     if (M_BRUSHDATA->m_stipple.GetMask())
 161     {
 162         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
 163     }
 164     else
 165     {
 166         M_BRUSHDATA->m_style = wxSTIPPLE;
 167     }
 168 }
 169