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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 | ||
26 | wxBrushRefData(); | |
27 | wxBrushRefData( const wxBrushRefData& data ); | |
28 | ||
29 | int m_style; | |
30 | wxBitmap m_stipple; | |
31 | wxColour m_colour; | |
32 | }; | |
33 | ||
34 | wxBrushRefData::wxBrushRefData() | |
35 | { | |
36 | m_style = 0; | |
37 | } | |
38 | ||
39 | wxBrushRefData::wxBrushRefData( const wxBrushRefData& data ) | |
40 | { | |
41 | m_style = data.m_style; | |
42 | m_stipple = data.m_stipple; | |
43 | m_colour = data.m_colour; | |
44 | } | |
45 | ||
46 | //----------------------------------------------------------------------------- | |
47 | ||
48 | #define M_BRUSHDATA ((wxBrushRefData *)m_refData) | |
49 | ||
50 | IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject) | |
51 | ||
52 | wxBrush::wxBrush() | |
53 | { | |
54 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); | |
55 | } | |
56 | ||
57 | wxBrush::wxBrush( const wxColour &colour, int style ) | |
58 | { | |
59 | m_refData = new wxBrushRefData(); | |
60 | M_BRUSHDATA->m_style = style; | |
61 | M_BRUSHDATA->m_colour = colour; | |
62 | ||
63 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); | |
64 | } | |
65 | ||
66 | wxBrush::wxBrush( const wxBitmap &stippleBitmap ) | |
67 | { | |
68 | m_refData = new wxBrushRefData(); | |
69 | M_BRUSHDATA->m_style = wxSTIPPLE; | |
70 | M_BRUSHDATA->m_colour = *wxBLACK; | |
71 | M_BRUSHDATA->m_stipple = stippleBitmap; | |
72 | ||
73 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); | |
74 | } | |
75 | ||
76 | wxBrush::wxBrush( const wxBrush &brush ) | |
77 | { | |
78 | Ref( brush ); | |
79 | ||
80 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); | |
81 | } | |
82 | ||
83 | wxBrush::~wxBrush() | |
84 | { | |
85 | if (wxTheBrushList) wxTheBrushList->RemoveBrush( this ); | |
86 | } | |
87 | ||
88 | wxBrush& wxBrush::operator = ( const wxBrush& brush ) | |
89 | { | |
90 | if (*this == brush) return (*this); | |
91 | Ref( brush ); | |
92 | return *this; | |
93 | } | |
94 | ||
95 | bool wxBrush::operator == ( const wxBrush& brush ) | |
96 | { | |
97 | return m_refData == brush.m_refData; | |
98 | } | |
99 | ||
100 | bool wxBrush::operator != ( const wxBrush& brush ) | |
101 | { | |
102 | return m_refData != brush.m_refData; | |
103 | } | |
104 | ||
105 | bool wxBrush::Ok() const | |
106 | { | |
107 | return ((m_refData) && M_BRUSHDATA->m_colour.Ok()); | |
108 | } | |
109 | ||
110 | int wxBrush::GetStyle() const | |
111 | { | |
112 | if (m_refData == NULL) | |
113 | { | |
114 | wxFAIL_MSG( _T("invalid brush") ); | |
115 | return 0; | |
116 | } | |
117 | ||
118 | return M_BRUSHDATA->m_style; | |
119 | } | |
120 | ||
121 | wxColour &wxBrush::GetColour() const | |
122 | { | |
123 | if (m_refData == NULL) | |
124 | { | |
125 | wxFAIL_MSG( _T("invalid brush") ); | |
126 | return wxNullColour; | |
127 | } | |
128 | ||
129 | return M_BRUSHDATA->m_colour; | |
130 | } | |
131 | ||
132 | wxBitmap *wxBrush::GetStipple() const | |
133 | { | |
134 | if (m_refData == NULL) | |
135 | { | |
136 | wxFAIL_MSG( _T("invalid brush") ); | |
137 | return &wxNullBitmap; | |
138 | } | |
139 | ||
140 | return &M_BRUSHDATA->m_stipple; | |
141 | } | |
142 | ||
143 | void wxBrush::SetColour( const wxColour& col ) | |
144 | { | |
145 | Unshare(); | |
146 | M_BRUSHDATA->m_colour = col; | |
147 | } | |
148 | ||
149 | void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b ) | |
150 | { | |
151 | Unshare(); | |
152 | M_BRUSHDATA->m_colour.Set( r, g, b ); | |
153 | } | |
154 | ||
155 | void wxBrush::SetStyle( int style ) | |
156 | { | |
157 | Unshare(); | |
158 | M_BRUSHDATA->m_style = style; | |
159 | } | |
160 | ||
161 | void wxBrush::SetStipple( const wxBitmap& stipple ) | |
162 | { | |
163 | Unshare(); | |
164 | M_BRUSHDATA->m_stipple = stipple; | |
165 | } | |
166 | ||
167 | void wxBrush::Unshare() | |
168 | { | |
169 | if (!m_refData) | |
170 | { | |
171 | m_refData = new wxBrushRefData(); | |
172 | } | |
173 | else | |
174 | { | |
175 | wxBrushRefData* ref = new wxBrushRefData( *(wxBrushRefData*)m_refData ); | |
176 | UnRef(); | |
177 | m_refData = ref; | |
178 | } | |
179 | } | |
180 |