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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11 #pragma implementation "brush.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #include "wx/brush.h"
  18 #include "wx/colour.h"
  19
  20 #include <gdk/gdk.h>
  21
  22 //-----------------------------------------------------------------------------
  23 // wxBrush
  24 //-----------------------------------------------------------------------------
  25
  26 class wxBrushRefData: public wxObjectRefData
  27 {
  28 public:
  29     wxBrushRefData()
  30     {
  31         m_style = 0;
  32     }
  33
  34     wxBrushRefData( const wxBrushRefData& data )
  35         : wxObjectRefData()
  36     {
  37         m_style = data.m_style;
  38         m_stipple = data.m_stipple;
  39         m_colour = data.m_colour;
  40     }
  41
  42     bool operator == (const wxBrushRefData& data) const
  43     {
  44         return (m_style == data.m_style &&
  45                 m_stipple == data.m_stipple &&
  46                 m_colour == data.m_colour);
  47     }
  48
  49     int       m_style;
  50     wxColour  m_colour;
  51     wxBitmap  m_stipple;
  52 };
  53
  54 //-----------------------------------------------------------------------------
  55
  56 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  57
  58 IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject)
  59
  60 wxBrush::wxBrush( const wxColour &colour, int style )
  61 {
  62     m_refData = new wxBrushRefData();
  63     M_BRUSHDATA->m_style = style;
  64     M_BRUSHDATA->m_colour = colour;
  65 }
  66
  67 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
  68 {
  69     m_refData = new wxBrushRefData();
  70     M_BRUSHDATA->m_colour = *wxBLACK;
  71
  72     M_BRUSHDATA->m_stipple = stippleBitmap;
  73
  74     if (M_BRUSHDATA->m_stipple.GetMask())
  75         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
  76     else
  77         M_BRUSHDATA->m_style = wxSTIPPLE;
  78 }
  79
  80 wxBrush::~wxBrush()
  81 {
  82     // m_refData unrefed in ~wxObject
  83 }
  84
  85 wxObjectRefData *wxBrush::CreateRefData() const
  86 {
  87     return new wxBrushRefData;
  88 }
  89
  90 wxObjectRefData *wxBrush::CloneRefData(const wxObjectRefData *data) const
  91 {
  92     return new wxBrushRefData(*(wxBrushRefData *)data);
  93 }
  94
  95 bool wxBrush::operator == ( const wxBrush& brush ) const
  96 {
  97     if (m_refData == brush.m_refData) return TRUE;
  98
  99     if (!m_refData || !brush.m_refData) return FALSE;
 100
 101     return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
 102 }
 103
 104 int wxBrush::GetStyle() const
 105 {
 106     if (m_refData == NULL)
 107     {
 108         wxFAIL_MSG( wxT("invalid brush") );
 109         return 0;
 110     }
 111
 112     return M_BRUSHDATA->m_style;
 113 }
 114
 115 wxColour &wxBrush::GetColour() const
 116 {
 117     if (m_refData == NULL)
 118     {
 119         wxFAIL_MSG( wxT("invalid brush") );
 120         return wxNullColour;
 121     }
 122
 123     return M_BRUSHDATA->m_colour;
 124 }
 125
 126 wxBitmap *wxBrush::GetStipple() const
 127 {
 128     if (m_refData == NULL)
 129     {
 130         wxFAIL_MSG( wxT("invalid brush") );
 131         return &wxNullBitmap;
 132     }
 133
 134     return &M_BRUSHDATA->m_stipple;
 135 }
 136
 137 void wxBrush::SetColour( const wxColour& col )
 138 {
 139     AllocExclusive();
 140
 141     M_BRUSHDATA->m_colour = col;
 142 }
 143
 144 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 145 {
 146     AllocExclusive();
 147
 148     M_BRUSHDATA->m_colour.Set( r, g, b );
 149 }
 150
 151 void wxBrush::SetStyle( int style )
 152 {
 153     AllocExclusive();
 154
 155     M_BRUSHDATA->m_style = style;
 156 }
 157
 158 void wxBrush::SetStipple( const wxBitmap& stipple )
 159 {
 160     AllocExclusive();
 161
 162     M_BRUSHDATA->m_stipple = stipple;
 163     if (M_BRUSHDATA->m_stipple.GetMask())
 164     {
 165         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
 166     }
 167     else
 168     {
 169         M_BRUSHDATA->m_style = wxSTIPPLE;
 170     }
 171 }
 172