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