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32b8ec41 | 1 | ///////////////////////////////////////////////////////////////////////////// |
46562151 | 2 | // Name: src/mgl/brush.cpp |
32b8ec41 VZ |
3 | // Purpose: |
4 | // Author: Vaclav Slavik | |
5 | // Id: $Id$ | |
c41c20a5 | 6 | // Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) |
46562151 | 7 | // Licence: wxWindows licence |
32b8ec41 VZ |
8 | ///////////////////////////////////////////////////////////////////////////// |
9 | ||
32b8ec41 VZ |
10 | // For compilers that support precompilation, includes "wx.h". |
11 | #include "wx/wxprec.h" | |
12 | ||
13 | #ifdef __BORLANDC__ | |
14 | #pragma hdrstop | |
15 | #endif | |
16 | ||
17 | #include "wx/brush.h" | |
18 | #include "wx/mgl/private.h" | |
19 | #include "wx/mgl/dcmemory.h" | |
20 | ||
21 | ||
22 | // --------------------------------------------------------------------------- | |
23 | // helper functions | |
24 | // --------------------------------------------------------------------------- | |
25 | ||
26 | // This function converts wxBitmap into pixpattern24_t representation | |
27 | // (used by wxBrush and wxPen) | |
28 | ||
46562151 | 29 | void wxBitmapToPixPattern(const wxBitmap& bitmap, |
32b8ec41 VZ |
30 | pixpattern24_t *pix, pattern_t *mask) |
31 | { | |
32 | wxMemoryDC mem; | |
33 | MGLDevCtx *dc; | |
34 | int x, y; | |
46562151 | 35 | |
32b8ec41 VZ |
36 | if ( pix != NULL ) |
37 | { | |
38 | mem.SelectObject(bitmap); | |
39 | dc = mem.GetMGLDC(); | |
40 | wxCurrentDCSwitcher curDC(dc); | |
41 | dc->beginPixel(); | |
42 | for (y = 0; y < 8; y++) | |
43 | for (x = 0; x < 8; x++) | |
46562151 | 44 | dc->unpackColorFast(dc->getPixelFast(x, y), |
32b8ec41 | 45 | pix->p[y][x][2], |
46562151 | 46 | pix->p[y][x][1], |
32b8ec41 VZ |
47 | pix->p[y][x][0]); |
48 | dc->endPixel(); | |
49 | } | |
50 | ||
51 | if ( mask && bitmap.GetMask() ) | |
52 | { | |
53 | mem.SelectObject(*bitmap.GetMask()->GetBitmap()); | |
54 | dc = mem.GetMGLDC(); | |
55 | wxCurrentDCSwitcher curDC(dc); | |
56 | dc->beginPixel(); | |
57 | for (y = 0; y < 8; y++) | |
58 | { | |
59 | mask->p[y] = 0; | |
60 | for (x = 0; x < 8; x++) | |
61 | if ( dc->getPixelFast(x, y) != 0 ) | |
127eab18 | 62 | mask->p[y] = (uchar)(mask->p[y] | (1 << (7 - x))); |
32b8ec41 VZ |
63 | } |
64 | dc->endPixel(); | |
65 | } | |
66 | } | |
67 | ||
68 | ||
69 | //----------------------------------------------------------------------------- | |
70 | // wxBrush | |
71 | //----------------------------------------------------------------------------- | |
72 | ||
73 | class wxBrushRefData: public wxObjectRefData | |
74 | { | |
75 | public: | |
76 | wxBrushRefData(); | |
77 | wxBrushRefData(const wxBrushRefData& data); | |
78 | ||
79 | int m_style; | |
80 | wxColour m_colour; | |
81 | wxBitmap m_stipple; | |
82 | pixpattern24_t m_pixPattern; | |
83 | pattern_t m_maskPattern; | |
84 | }; | |
85 | ||
86 | wxBrushRefData::wxBrushRefData() | |
87 | { | |
88 | m_style = 0; | |
89 | ||
90 | int x, y, c; | |
91 | for (y = 0; y < 8; y++) | |
92 | for (x = 0; x < 8; x++) | |
93 | for (c = 0; c < 3; c++) | |
94 | m_pixPattern.p[y][x][c] = 0; | |
95 | for (y = 0; y < 8; y++) | |
96 | m_maskPattern.p[y] = 0; | |
97 | } | |
98 | ||
99 | wxBrushRefData::wxBrushRefData(const wxBrushRefData& data) | |
100 | { | |
101 | m_style = data.m_style; | |
102 | m_stipple = data.m_stipple; | |
103 | m_colour = data.m_colour; | |
104 | ||
105 | int x, y, c; | |
106 | for (y = 0; y < 8; y++) | |
107 | for (x = 0; x < 8; x++) | |
108 | for (c = 0; c < 3; c++) | |
109 | m_pixPattern.p[y][x][c] = data.m_pixPattern.p[y][x][c]; | |
110 | for (y = 0; y < 8; y++) | |
111 | m_maskPattern.p[y] = data.m_maskPattern.p[y]; | |
112 | } | |
113 | ||
114 | //----------------------------------------------------------------------------- | |
115 | ||
116 | #define M_BRUSHDATA ((wxBrushRefData *)m_refData) | |
117 | ||
118 | IMPLEMENT_DYNAMIC_CLASS(wxBrush,wxGDIObject) | |
119 | ||
32b8ec41 VZ |
120 | wxBrush::wxBrush(const wxColour &colour, int style) |
121 | { | |
122 | m_refData = new wxBrushRefData(); | |
123 | M_BRUSHDATA->m_style = style; | |
124 | M_BRUSHDATA->m_colour = colour; | |
32b8ec41 VZ |
125 | } |
126 | ||
127 | wxBrush::wxBrush(const wxBitmap &stippleBitmap) | |
128 | { | |
129 | wxCHECK_RET( stippleBitmap.Ok(), _T("invalid bitmap") ); | |
46562151 | 130 | wxCHECK_RET( stippleBitmap.GetWidth() == 8 && stippleBitmap.GetHeight() == 8, |
32b8ec41 VZ |
131 | _T("stipple bitmap must be 8x8") ); |
132 | ||
133 | m_refData = new wxBrushRefData(); | |
134 | M_BRUSHDATA->m_colour = *wxBLACK; | |
46562151 | 135 | |
32b8ec41 | 136 | M_BRUSHDATA->m_stipple = stippleBitmap; |
46562151 | 137 | wxBitmapToPixPattern(stippleBitmap, &(M_BRUSHDATA->m_pixPattern), |
32b8ec41 VZ |
138 | &(M_BRUSHDATA->m_maskPattern)); |
139 | ||
140 | if (M_BRUSHDATA->m_stipple.GetMask()) | |
46562151 WS |
141 | M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE; |
142 | else | |
143 | M_BRUSHDATA->m_style = wxSTIPPLE; | |
32b8ec41 VZ |
144 | } |
145 | ||
32b8ec41 VZ |
146 | bool wxBrush::operator == (const wxBrush& brush) const |
147 | { | |
148 | return m_refData == brush.m_refData; | |
149 | } | |
150 | ||
151 | bool wxBrush::operator != (const wxBrush& brush) const | |
152 | { | |
153 | return m_refData != brush.m_refData; | |
154 | } | |
155 | ||
156 | bool wxBrush::Ok() const | |
157 | { | |
158 | return ((m_refData) && M_BRUSHDATA->m_colour.Ok()); | |
159 | } | |
160 | ||
161 | int wxBrush::GetStyle() const | |
162 | { | |
163 | if (m_refData == NULL) | |
164 | { | |
165 | wxFAIL_MSG( wxT("invalid brush") ); | |
166 | return 0; | |
167 | } | |
168 | ||
169 | return M_BRUSHDATA->m_style; | |
170 | } | |
171 | ||
172 | wxColour &wxBrush::GetColour() const | |
173 | { | |
174 | if (m_refData == NULL) | |
175 | { | |
176 | wxFAIL_MSG( wxT("invalid brush") ); | |
177 | return wxNullColour; | |
178 | } | |
179 | ||
180 | return M_BRUSHDATA->m_colour; | |
181 | } | |
182 | ||
183 | wxBitmap *wxBrush::GetStipple() const | |
184 | { | |
185 | if (m_refData == NULL) | |
186 | { | |
187 | wxFAIL_MSG( wxT("invalid brush") ); | |
188 | return &wxNullBitmap; | |
189 | } | |
190 | ||
191 | return &M_BRUSHDATA->m_stipple; | |
192 | } | |
193 | ||
194 | void* wxBrush::GetMaskPattern() const | |
195 | { | |
196 | wxCHECK_MSG( Ok(), NULL, wxT("invalid brush") ); | |
197 | ||
198 | return (void*)&(M_BRUSHDATA->m_maskPattern); | |
199 | } | |
200 | ||
201 | void* wxBrush::GetPixPattern() const | |
202 | { | |
203 | wxCHECK_MSG( Ok(), NULL, wxT("invalid brush") ); | |
204 | ||
205 | return (void*)&(M_BRUSHDATA->m_pixPattern); | |
206 | } | |
207 | ||
208 | void wxBrush::SetColour(const wxColour& col) | |
209 | { | |
6d7ee9e8 | 210 | AllocExclusive(); |
32b8ec41 VZ |
211 | M_BRUSHDATA->m_colour = col; |
212 | } | |
213 | ||
1a1498c0 | 214 | void wxBrush::SetColour(unsigned char r, unsigned char g, unsigned char b) |
32b8ec41 | 215 | { |
6d7ee9e8 | 216 | AllocExclusive(); |
32b8ec41 VZ |
217 | M_BRUSHDATA->m_colour.Set(r, g, b); |
218 | } | |
219 | ||
220 | void wxBrush::SetStyle( int style ) | |
221 | { | |
6d7ee9e8 | 222 | AllocExclusive(); |
32b8ec41 VZ |
223 | M_BRUSHDATA->m_style = style; |
224 | } | |
225 | ||
226 | void wxBrush::SetStipple(const wxBitmap& stipple) | |
227 | { | |
6d7ee9e8 | 228 | AllocExclusive(); |
32b8ec41 VZ |
229 | |
230 | wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") ); | |
46562151 | 231 | wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8, |
32b8ec41 VZ |
232 | _T("stipple bitmap must be 8x8") ); |
233 | ||
234 | M_BRUSHDATA->m_stipple = stipple; | |
235 | wxBitmapToPixPattern(stipple, &(M_BRUSHDATA->m_pixPattern), | |
236 | &(M_BRUSHDATA->m_maskPattern)); | |
237 | ||
238 | if (M_BRUSHDATA->m_stipple.GetMask()) | |
239 | M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE; | |
240 | else | |
241 | M_BRUSHDATA->m_style = wxSTIPPLE; | |
242 | } | |
243 | ||
6d7ee9e8 | 244 | wxObjectRefData *wxBrush::CreateRefData() const |
32b8ec41 | 245 | { |
6d7ee9e8 VS |
246 | return new wxBrushRefData; |
247 | } | |
248 | ||
249 | wxObjectRefData *wxBrush::CloneRefData(const wxObjectRefData *data) const | |
250 | { | |
251 | return new wxBrushRefData(*(wxBrushRefData *)data); | |
32b8ec41 | 252 | } |