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