]>
Commit | Line | Data |
---|---|---|
93cf77c0 JS |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // File: region.cpp | |
3 | // Purpose: Region class | |
4 | // Author: Markus Holzem/Julian Smart/AUTHOR | |
5 | // Created: Fri Oct 24 10:46:34 MET 1997 | |
6 | // RCS-ID: $Id$ | |
7 | // Copyright: (c) 1997 Markus Holzem/Julian Smart/AUTHOR | |
8 | // Licence: wxWindows licence | |
9 | ///////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifdef __GNUG__ | |
12 | #pragma implementation "region.h" | |
13 | #endif | |
14 | ||
34138703 | 15 | #include "wx/region.h" |
93cf77c0 JS |
16 | #include "wx/gdicmn.h" |
17 | ||
93cf77c0 JS |
18 | IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject) |
19 | IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject) | |
93cf77c0 JS |
20 | |
21 | //----------------------------------------------------------------------------- | |
22 | // wxRegionRefData implementation | |
23 | //----------------------------------------------------------------------------- | |
24 | ||
25 | class WXDLLEXPORT wxRegionRefData : public wxGDIRefData { | |
26 | public: | |
27 | wxRegionRefData() | |
28 | { | |
29 | } | |
30 | ||
31 | wxRegionRefData(const wxRegionRefData& data) | |
32 | { | |
33 | // TODO | |
34 | } | |
35 | ||
36 | ~wxRegionRefData() | |
37 | { | |
38 | // TODO | |
39 | } | |
93cf77c0 JS |
40 | }; |
41 | ||
42 | ||
43 | //----------------------------------------------------------------------------- | |
44 | // wxRegion | |
45 | //----------------------------------------------------------------------------- | |
46 | ||
47 | /*! | |
48 | * Create an empty region. | |
49 | */ | |
50 | wxRegion::wxRegion() | |
51 | { | |
52 | m_refData = new wxRegionRefData; | |
53 | // TODO create empty region | |
54 | } | |
55 | ||
56 | wxRegion::wxRegion(long x, long y, long w, long h) | |
57 | { | |
58 | m_refData = new wxRegionRefData; | |
59 | // TODO create rect region | |
60 | } | |
61 | ||
62 | wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight) | |
63 | { | |
64 | m_refData = new wxRegionRefData; | |
65 | // TODO create rect region | |
66 | } | |
67 | ||
68 | wxRegion::wxRegion(const wxRect& rect) | |
69 | { | |
70 | m_refData = new wxRegionRefData; | |
71 | // TODO create rect region | |
72 | } | |
73 | ||
74 | /*! | |
75 | * Destroy the region. | |
76 | */ | |
77 | wxRegion::~wxRegion() | |
78 | { | |
79 | // m_refData unrefed in ~wxObject | |
80 | } | |
81 | ||
82 | //----------------------------------------------------------------------------- | |
83 | //# Modify region | |
84 | //----------------------------------------------------------------------------- | |
85 | ||
86 | //! Clear current region | |
87 | void wxRegion::Clear() | |
88 | { | |
89 | UnRef(); | |
90 | } | |
91 | ||
92 | //! Combine rectangle (x, y, w, h) with this. | |
93 | bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op) | |
94 | { | |
95 | // Don't change shared data | |
96 | if (!m_refData) { | |
97 | m_refData = new wxRegionRefData(); | |
98 | } else if (m_refData->GetRefCount() > 1) { | |
99 | wxRegionRefData* ref = (wxRegionRefData*)m_refData; | |
100 | UnRef(); | |
101 | m_refData = new wxRegionRefData(*ref); | |
102 | } | |
103 | // If ref count is 1, that means it's 'ours' anyway so no action. | |
104 | ||
105 | // TODO create rect region | |
106 | ||
107 | int mode = 0; // TODO platform-specific code | |
108 | switch (op) | |
109 | { | |
110 | case wxRGN_AND: | |
111 | // TODO | |
112 | break ; | |
113 | case wxRGN_OR: | |
114 | // TODO | |
115 | break ; | |
116 | case wxRGN_XOR: | |
117 | // TODO | |
118 | break ; | |
119 | case wxRGN_DIFF: | |
120 | // TODO | |
121 | break ; | |
122 | case wxRGN_COPY: | |
123 | default: | |
124 | // TODO | |
125 | break ; | |
126 | } | |
127 | ||
128 | // TODO do combine region | |
129 | ||
130 | return FALSE; | |
131 | } | |
132 | ||
133 | //! Union /e region with this. | |
134 | bool wxRegion::Combine(const wxRegion& region, wxRegionOp op) | |
135 | { | |
136 | if (region.Empty()) | |
137 | return FALSE; | |
138 | ||
139 | // Don't change shared data | |
140 | if (!m_refData) { | |
141 | m_refData = new wxRegionRefData(); | |
142 | } else if (m_refData->GetRefCount() > 1) { | |
143 | wxRegionRefData* ref = (wxRegionRefData*)m_refData; | |
144 | UnRef(); | |
145 | m_refData = new wxRegionRefData(*ref); | |
146 | } | |
147 | ||
148 | int mode = 0; // TODO platform-specific code | |
149 | switch (op) | |
150 | { | |
151 | case wxRGN_AND: | |
152 | // TODO | |
153 | break ; | |
154 | case wxRGN_OR: | |
155 | // TODO | |
156 | break ; | |
157 | case wxRGN_XOR: | |
158 | // TODO | |
159 | break ; | |
160 | case wxRGN_DIFF: | |
161 | // TODO | |
162 | break ; | |
163 | case wxRGN_COPY: | |
164 | default: | |
165 | // TODO | |
166 | break ; | |
167 | } | |
168 | ||
169 | // TODO combine region | |
170 | ||
171 | return FALSE; | |
172 | } | |
173 | ||
174 | bool wxRegion::Combine(const wxRect& rect, wxRegionOp op) | |
175 | { | |
176 | return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op); | |
177 | } | |
178 | ||
179 | //----------------------------------------------------------------------------- | |
180 | //# Information on region | |
181 | //----------------------------------------------------------------------------- | |
182 | ||
183 | // Outer bounds of region | |
184 | void wxRegion::GetBox(long& x, long& y, long&w, long &h) const | |
185 | { | |
186 | if (m_refData) { | |
187 | // TODO get box | |
188 | } else { | |
189 | x = y = w = h = 0; | |
190 | } | |
191 | } | |
192 | ||
193 | wxRect wxRegion::GetBox() const | |
194 | { | |
195 | long x, y, w, h; | |
196 | GetBox(x, y, w, h); | |
197 | return wxRect(x, y, w, h); | |
198 | } | |
199 | ||
200 | // Is region empty? | |
201 | bool wxRegion::Empty() const | |
202 | { | |
203 | // TODO | |
204 | return FALSE; | |
205 | } | |
206 | ||
207 | //----------------------------------------------------------------------------- | |
208 | //# Tests | |
209 | //----------------------------------------------------------------------------- | |
210 | ||
211 | // Does the region contain the point (x,y)? | |
212 | wxRegionContain wxRegion::Contains(long x, long y) const | |
213 | { | |
214 | if (!m_refData) | |
215 | return wxOutRegion; | |
216 | ||
217 | // TODO. Return wxInRegion if within region. | |
218 | if (0) | |
219 | return wxInRegion; | |
220 | return wxOutRegion; | |
221 | } | |
222 | ||
223 | // Does the region contain the point pt? | |
224 | wxRegionContain wxRegion::Contains(const wxPoint& pt) const | |
225 | { | |
226 | if (!m_refData) | |
227 | return wxOutRegion; | |
228 | ||
229 | // TODO. Return wxInRegion if within region. | |
230 | if (0) | |
231 | return wxInRegion; | |
232 | else | |
233 | return wxOutRegion; | |
234 | } | |
235 | ||
236 | // Does the region contain the rectangle (x, y, w, h)? | |
237 | wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const | |
238 | { | |
239 | if (!m_refData) | |
240 | return wxOutRegion; | |
241 | ||
242 | // TODO. Return wxInRegion if within region. | |
243 | if (0) | |
244 | return wxInRegion; | |
245 | else | |
246 | return wxOutRegion; | |
247 | } | |
248 | ||
249 | // Does the region contain the rectangle rect | |
250 | wxRegionContain wxRegion::Contains(const wxRect& rect) const | |
251 | { | |
252 | if (!m_refData) | |
253 | return wxOutRegion; | |
254 | ||
255 | long x, y, w, h; | |
256 | x = rect.x; | |
257 | y = rect.y; | |
258 | w = rect.GetWidth(); | |
259 | h = rect.GetHeight(); | |
260 | return Contains(x, y, w, h); | |
261 | } | |
262 | ||
263 | /////////////////////////////////////////////////////////////////////////////// | |
264 | // // | |
265 | // wxRegionIterator // | |
266 | // // | |
267 | /////////////////////////////////////////////////////////////////////////////// | |
268 | ||
269 | /*! | |
270 | * Initialize empty iterator | |
271 | */ | |
272 | wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL) | |
273 | { | |
274 | } | |
275 | ||
276 | wxRegionIterator::~wxRegionIterator() | |
277 | { | |
278 | if (m_rects) | |
279 | delete[] m_rects; | |
280 | } | |
281 | ||
282 | /*! | |
283 | * Initialize iterator for region | |
284 | */ | |
285 | wxRegionIterator::wxRegionIterator(const wxRegion& region) | |
286 | { | |
287 | m_rects = NULL; | |
288 | ||
289 | Reset(region); | |
290 | } | |
291 | ||
292 | /*! | |
293 | * Reset iterator for a new /e region. | |
294 | */ | |
295 | void wxRegionIterator::Reset(const wxRegion& region) | |
296 | { | |
297 | m_current = 0; | |
298 | m_region = region; | |
299 | ||
300 | if (m_rects) | |
301 | delete[] m_rects; | |
302 | ||
303 | m_rects = NULL; | |
304 | ||
305 | if (m_region.Empty()) | |
306 | m_numRects = 0; | |
307 | else | |
308 | { | |
309 | // TODO create m_rects and fill with rectangles for this region | |
310 | m_numRects = 0; | |
311 | } | |
312 | } | |
313 | ||
314 | /*! | |
315 | * Increment iterator. The rectangle returned is the one after the | |
316 | * incrementation. | |
317 | */ | |
318 | void wxRegionIterator::operator ++ () | |
319 | { | |
320 | if (m_current < m_numRects) | |
321 | ++m_current; | |
322 | } | |
323 | ||
324 | /*! | |
325 | * Increment iterator. The rectangle returned is the one before the | |
326 | * incrementation. | |
327 | */ | |
328 | void wxRegionIterator::operator ++ (int) | |
329 | { | |
330 | if (m_current < m_numRects) | |
331 | ++m_current; | |
332 | } | |
333 | ||
334 | long wxRegionIterator::GetX() const | |
335 | { | |
336 | if (m_current < m_numRects) | |
337 | return m_rects[m_current].x; | |
338 | return 0; | |
339 | } | |
340 | ||
341 | long wxRegionIterator::GetY() const | |
342 | { | |
343 | if (m_current < m_numRects) | |
344 | return m_rects[m_current].y; | |
345 | return 0; | |
346 | } | |
347 | ||
348 | long wxRegionIterator::GetW() const | |
349 | { | |
350 | if (m_current < m_numRects) | |
351 | return m_rects[m_current].width ; | |
352 | return 0; | |
353 | } | |
354 | ||
355 | long wxRegionIterator::GetH() const | |
356 | { | |
357 | if (m_current < m_numRects) | |
358 | return m_rects[m_current].height; | |
359 | return 0; | |
360 | } | |
361 |