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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 | 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 | M_BRUSHDATA->m_stipple = stippleBitmap; | |
70 | if (M_BRUSHDATA->m_stipple.GetMask()) | |
71 | { | |
72 | M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE; | |
73 | } | |
74 | else | |
75 | { | |
76 | M_BRUSHDATA->m_style = wxSTIPPLE; | |
77 | } | |
78 | ||
79 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); | |
80 | } | |
81 | ||
82 | wxBrush::wxBrush( const wxBrush &brush ) | |
83 | { | |
84 | Ref( brush ); | |
85 | ||
86 | if (wxTheBrushList) wxTheBrushList->AddBrush( this ); | |
87 | } | |
88 | ||
89 | wxBrush::~wxBrush() | |
90 | { | |
91 | if (wxTheBrushList) wxTheBrushList->RemoveBrush( this ); | |
92 | } | |
93 | ||
94 | wxBrush& wxBrush::operator = ( const wxBrush& brush ) | |
95 | { | |
96 | if (*this == brush) return (*this); | |
97 | Ref( brush ); | |
98 | return *this; | |
99 | } | |
100 | ||
101 | bool wxBrush::operator == ( const wxBrush& brush ) | |
102 | { | |
103 | return m_refData == brush.m_refData; | |
104 | } | |
105 | ||
106 | bool wxBrush::operator != ( const wxBrush& brush ) | |
107 | { | |
108 | return m_refData != brush.m_refData; | |
109 | } | |
110 | ||
111 | bool wxBrush::Ok() const | |
112 | { | |
113 | return ((m_refData) && M_BRUSHDATA->m_colour.Ok()); | |
114 | } | |
115 | ||
116 | int wxBrush::GetStyle() const | |
117 | { | |
118 | if (m_refData == NULL) | |
119 | { | |
120 | wxFAIL_MSG( wxT("invalid brush") ); | |
121 | return 0; | |
122 | } | |
123 | ||
124 | return M_BRUSHDATA->m_style; | |
125 | } | |
126 | ||
127 | wxColour &wxBrush::GetColour() const | |
128 | { | |
129 | if (m_refData == NULL) | |
130 | { | |
131 | wxFAIL_MSG( wxT("invalid brush") ); | |
132 | return wxNullColour; | |
133 | } | |
134 | ||
135 | return M_BRUSHDATA->m_colour; | |
136 | } | |
137 | ||
138 | wxBitmap *wxBrush::GetStipple() const | |
139 | { | |
140 | if (m_refData == NULL) | |
141 | { | |
142 | wxFAIL_MSG( wxT("invalid brush") ); | |
143 | return &wxNullBitmap; | |
144 | } | |
145 | ||
146 | return &M_BRUSHDATA->m_stipple; | |
147 | } | |
148 | ||
149 | void wxBrush::SetColour( const wxColour& col ) | |
150 | { | |
151 | Unshare(); | |
152 | M_BRUSHDATA->m_colour = col; | |
153 | } | |
154 | ||
155 | void wxBrush::SetColour( unsigned char r, unsigned char g, unsigned char b ) | |
156 | { | |
157 | Unshare(); | |
158 | M_BRUSHDATA->m_colour.Set( r, g, b ); | |
159 | } | |
160 | ||
161 | void wxBrush::SetStyle( int style ) | |
162 | { | |
163 | Unshare(); | |
164 | M_BRUSHDATA->m_style = style; | |
165 | } | |
166 | ||
167 | void wxBrush::SetStipple( const wxBitmap& stipple ) | |
168 | { | |
169 | Unshare(); | |
170 | M_BRUSHDATA->m_stipple = stipple; | |
171 | if (M_BRUSHDATA->m_stipple.GetMask()) | |
172 | { | |
173 | M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE; | |
174 | } | |
175 | else | |
176 | { | |
177 | M_BRUSHDATA->m_style = wxSTIPPLE; | |
178 | } | |
179 | } | |
180 | ||
181 | void wxBrush::Unshare() | |
182 | { | |
183 | if (!m_refData) | |
184 | { | |
185 | m_refData = new wxBrushRefData(); | |
186 | } | |
187 | else | |
188 | { | |
189 | wxBrushRefData* ref = new wxBrushRefData( *(wxBrushRefData*)m_refData ); | |
190 | UnRef(); | |
191 | m_refData = ref; | |
192 | } | |
193 | } | |
194 |