| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: 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 | |
| 16 | #include <gdk/gdk.h> |
| 17 | |
| 18 | //----------------------------------------------------------------------------- |
| 19 | // wxBrush |
| 20 | //----------------------------------------------------------------------------- |
| 21 | |
| 22 | class wxBrushRefData: public wxObjectRefData |
| 23 | { |
| 24 | public: |
| 25 | wxBrushRefData(); |
| 26 | wxBrushRefData( const wxBrushRefData& data ); |
| 27 | |
| 28 | int m_style; |
| 29 | wxBitmap m_stipple; |
| 30 | wxColour m_colour; |
| 31 | }; |
| 32 | |
| 33 | wxBrushRefData::wxBrushRefData() |
| 34 | { |
| 35 | m_style = 0; |
| 36 | } |
| 37 | |
| 38 | wxBrushRefData::wxBrushRefData( const wxBrushRefData& data ) |
| 39 | { |
| 40 | m_style = data.m_style; |
| 41 | m_stipple = data.m_stipple; |
| 42 | m_colour = data.m_colour; |
| 43 | } |
| 44 | |
| 45 | //----------------------------------------------------------------------------- |
| 46 | |
| 47 | #define M_BRUSHDATA ((wxBrushRefData *)m_refData) |
| 48 | |
| 49 | IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject) |
| 50 | |
| 51 | wxBrush::wxBrush() |
| 52 | { |
| 53 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); |
| 54 | } |
| 55 | |
| 56 | wxBrush::wxBrush( const wxColour &colour, int style ) |
| 57 | { |
| 58 | m_refData = new wxBrushRefData(); |
| 59 | M_BRUSHDATA->m_style = style; |
| 60 | M_BRUSHDATA->m_colour = colour; |
| 61 | |
| 62 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); |
| 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 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); |
| 78 | } |
| 79 | |
| 80 | wxBrush::wxBrush( const wxBrush &brush ) |
| 81 | { |
| 82 | Ref( brush ); |
| 83 | |
| 84 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); |
| 85 | } |
| 86 | |
| 87 | wxBrush::~wxBrush() |
| 88 | { |
| 89 | if (wxTheBrushList) wxTheBrushList->RemoveBrush( this ); |
| 90 | } |
| 91 | |
| 92 | wxBrush& wxBrush::operator = ( const wxBrush& brush ) |
| 93 | { |
| 94 | if (*this == brush) return (*this); |
| 95 | Ref( brush ); |
| 96 | return *this; |
| 97 | } |
| 98 | |
| 99 | bool wxBrush::operator == ( const wxBrush& brush ) const |
| 100 | { |
| 101 | return m_refData == brush.m_refData; |
| 102 | } |
| 103 | |
| 104 | bool wxBrush::operator != ( const wxBrush& brush ) const |
| 105 | { |
| 106 | return m_refData != brush.m_refData; |
| 107 | } |
| 108 | |
| 109 | bool wxBrush::Ok() const |
| 110 | { |
| 111 | return ((m_refData) && M_BRUSHDATA->m_colour.Ok()); |
| 112 | } |
| 113 | |
| 114 | int wxBrush::GetStyle() const |
| 115 | { |
| 116 | if (m_refData == NULL) |
| 117 | { |
| 118 | wxFAIL_MSG( wxT("invalid brush") ); |
| 119 | return 0; |
| 120 | } |
| 121 | |
| 122 | return M_BRUSHDATA->m_style; |
| 123 | } |
| 124 | |
| 125 | wxColour &wxBrush::GetColour() const |
| 126 | { |
| 127 | if (m_refData == NULL) |
| 128 | { |
| 129 | wxFAIL_MSG( wxT("invalid brush") ); |
| 130 | return wxNullColour; |
| 131 | } |
| 132 | |
| 133 | return M_BRUSHDATA->m_colour; |
| 134 | } |
| 135 | |
| 136 | wxBitmap *wxBrush::GetStipple() const |
| 137 | { |
| 138 | if (m_refData == NULL) |
| 139 | { |
| 140 | wxFAIL_MSG( wxT("invalid brush") ); |
| 141 | return &wxNullBitmap; |
| 142 | } |
| 143 | |
| 144 | return &M_BRUSHDATA->m_stipple; |
| 145 | } |
| 146 | |
| 147 | void wxBrush::SetColour( const wxColour& col ) |
| 148 | { |
| 149 | Unshare(); |
| 150 | M_BRUSHDATA->m_colour = col; |
| 151 | } |
| 152 | |
| 153 | void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b ) |
| 154 | { |
| 155 | Unshare(); |
| 156 | M_BRUSHDATA->m_colour.Set( r, g, b ); |
| 157 | } |
| 158 | |
| 159 | void wxBrush::SetStyle( int style ) |
| 160 | { |
| 161 | Unshare(); |
| 162 | M_BRUSHDATA->m_style = style; |
| 163 | } |
| 164 | |
| 165 | void wxBrush::SetStipple( const wxBitmap& stipple ) |
| 166 | { |
| 167 | Unshare(); |
| 168 | M_BRUSHDATA->m_stipple = stipple; |
| 169 | if (M_BRUSHDATA->m_stipple.GetMask()) |
| 170 | { |
| 171 | M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE; |
| 172 | } |
| 173 | else |
| 174 | { |
| 175 | M_BRUSHDATA->m_style = wxSTIPPLE; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | void wxBrush::Unshare() |
| 180 | { |
| 181 | if (!m_refData) |
| 182 | { |
| 183 | m_refData = new wxBrushRefData(); |
| 184 | } |
| 185 | else |
| 186 | { |
| 187 | wxBrushRefData* ref = new wxBrushRefData( *(wxBrushRefData*)m_refData ); |
| 188 | UnRef(); |
| 189 | m_refData = ref; |
| 190 | } |
| 191 | } |
| 192 | |