src/gtk/brush.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/brush.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Copyright:   (c) 1998 Robert Roebling
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 // For compilers that support precompilation, includes "wx.h".
  10 #include "wx/wxprec.h"
  11
  12 #include "wx/brush.h"
  13
  14 #ifndef WX_PRECOMP
  15     #include "wx/bitmap.h"
  16     #include "wx/colour.h"
  17 #endif
  18
  19 //-----------------------------------------------------------------------------
  20 // wxBrush
  21 //-----------------------------------------------------------------------------
  22
  23 class wxBrushRefData: public wxGDIRefData
  24 {
  25 public:
  26     wxBrushRefData(const wxColour& colour = wxNullColour, wxBrushStyle style = wxBRUSHSTYLE_SOLID)
  27     {
  28         m_style = style;
  29         m_colour = colour;
  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     wxBrushStyle 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, wxBrushStyle style )
  59 {
  60     m_refData = new wxBrushRefData(colour, style);
  61 }
  62
  63 #if FUTURE_WXWIN_COMPATIBILITY_3_0
  64 wxBrush::wxBrush(const wxColour& col, int style)
  65 {
  66     m_refData = new wxBrushRefData(col, (wxBrushStyle)style);
  67 }
  68 #endif
  69
  70 wxBrush::wxBrush( const wxBitmap &stippleBitmap )
  71 {
  72     wxBrushStyle style = wxBRUSHSTYLE_STIPPLE;
  73     if (stippleBitmap.GetMask())
  74         style = wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE;
  75
  76     m_refData = new wxBrushRefData(*wxBLACK, style);
  77     M_BRUSHDATA->m_stipple = stippleBitmap;
  78 }
  79
  80 wxBrush::~wxBrush()
  81 {
  82     // m_refData unrefed in ~wxObject
  83 }
  84
  85 wxGDIRefData *wxBrush::CreateGDIRefData() const
  86 {
  87     return new wxBrushRefData;
  88 }
  89
  90 wxGDIRefData *wxBrush::CloneGDIRefData(const wxGDIRefData *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 wxBrushStyle wxBrush::GetStyle() const
 105 {
 106     wxCHECK_MSG( IsOk(), wxBRUSHSTYLE_INVALID, wxT("invalid brush") );
 107
 108     return M_BRUSHDATA->m_style;
 109 }
 110
 111 wxColour wxBrush::GetColour() const
 112 {
 113     wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid brush") );
 114
 115     return M_BRUSHDATA->m_colour;
 116 }
 117
 118 wxBitmap *wxBrush::GetStipple() const
 119 {
 120     wxCHECK_MSG( IsOk(), NULL, wxT("invalid brush") );
 121
 122     return &M_BRUSHDATA->m_stipple;
 123 }
 124
 125 void wxBrush::SetColour( const wxColour& col )
 126 {
 127     AllocExclusive();
 128
 129     M_BRUSHDATA->m_colour = col;
 130 }
 131
 132 void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b )
 133 {
 134     AllocExclusive();
 135
 136     M_BRUSHDATA->m_colour.Set( r, g, b );
 137 }
 138
 139 void wxBrush::SetStyle( wxBrushStyle style )
 140 {
 141     AllocExclusive();
 142
 143     M_BRUSHDATA->m_style = style;
 144 }
 145
 146 void wxBrush::SetStipple( const wxBitmap& stipple )
 147 {
 148     AllocExclusive();
 149
 150     M_BRUSHDATA->m_stipple = stipple;
 151     if (M_BRUSHDATA->m_stipple.GetMask())
 152     {
 153         M_BRUSHDATA->m_style = wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE;
 154     }
 155     else
 156     {
 157         M_BRUSHDATA->m_style = wxBRUSHSTYLE_STIPPLE;
 158     }
 159 }