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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: pen.cpp | |
3 | // Purpose: wxPen | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "pen.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #ifndef WX_PRECOMP | |
24 | #include <stdio.h> | |
25 | #include "wx/setup.h" | |
26 | #include "wx/list.h" | |
27 | #include "wx/utils.h" | |
28 | #include "wx/app.h" | |
29 | #include "wx/pen.h" | |
30 | #endif | |
31 | ||
32 | #include "wx/msw/private.h" | |
33 | #include "assert.h" | |
34 | ||
35 | #if !USE_SHARED_LIBRARIES | |
36 | IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject) | |
37 | #endif | |
38 | ||
39 | wxPenRefData::wxPenRefData(void) | |
40 | { | |
41 | // m_stipple = NULL ; | |
42 | m_style = wxSOLID; | |
43 | m_width = 1; | |
44 | m_join = wxJOIN_ROUND ; | |
45 | m_cap = wxCAP_ROUND ; | |
46 | m_nbDash = 0 ; | |
47 | m_dash = 0 ; | |
48 | m_hPen = 0; | |
49 | } | |
50 | ||
51 | wxPenRefData::~wxPenRefData(void) | |
52 | { | |
53 | if ( m_hPen ) | |
54 | ::DeleteObject((HPEN) m_hPen); | |
55 | } | |
56 | ||
57 | // Pens | |
58 | ||
59 | wxPen::wxPen(void) | |
60 | { | |
61 | if ( wxThePenList ) | |
62 | wxThePenList->AddPen(this); | |
63 | } | |
64 | ||
65 | wxPen::~wxPen() | |
66 | { | |
67 | if (wxThePenList) | |
68 | wxThePenList->RemovePen(this); | |
69 | } | |
70 | ||
71 | // Should implement Create | |
debe6624 | 72 | wxPen::wxPen(const wxColour& col, int Width, int Style) |
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73 | { |
74 | m_refData = new wxPenRefData; | |
75 | ||
76 | M_PENDATA->m_colour = col; | |
77 | // M_PENDATA->m_stipple = NULL; | |
78 | M_PENDATA->m_width = Width; | |
79 | M_PENDATA->m_style = Style; | |
80 | M_PENDATA->m_join = wxJOIN_ROUND ; | |
81 | M_PENDATA->m_cap = wxCAP_ROUND ; | |
82 | M_PENDATA->m_nbDash = 0 ; | |
83 | M_PENDATA->m_dash = 0 ; | |
84 | M_PENDATA->m_hPen = 0 ; | |
85 | ||
86 | #ifndef __WIN32__ | |
87 | // In Windows, only a pen of width = 1 can be dotted or dashed! | |
88 | if ((Style == wxDOT) || (Style == wxLONG_DASH) || | |
89 | (Style == wxSHORT_DASH) || (Style == wxDOT_DASH) || | |
90 | (Style == wxUSER_DASH)) | |
91 | M_PENDATA->m_width = 1; | |
92 | #else | |
93 | /*** | |
94 | DWORD vers = GetVersion() ; | |
95 | WORD high = HIWORD(vers) ; // high bit=0 for NT, 1 for Win32s | |
96 | // Win32s doesn't support wide dashed pens | |
97 | ||
98 | if ((high&0x8000)!=0) | |
99 | ***/ | |
100 | if (wxGetOsVersion()==wxWIN32S) | |
101 | { | |
102 | // In Windows, only a pen of width = 1 can be dotted or dashed! | |
103 | if ((Style == wxDOT) || (Style == wxLONG_DASH) || | |
104 | (Style == wxSHORT_DASH) || (Style == wxDOT_DASH) || | |
105 | (Style == wxUSER_DASH)) | |
106 | M_PENDATA->m_width = 1; | |
107 | } | |
108 | #endif | |
109 | RealizeResource(); | |
110 | ||
111 | if ( wxThePenList ) | |
112 | wxThePenList->AddPen(this); | |
113 | } | |
114 | ||
debe6624 | 115 | wxPen::wxPen(const wxBitmap& stipple, int Width) |
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116 | { |
117 | m_refData = new wxPenRefData; | |
118 | ||
119 | // M_PENDATA->m_colour = col; | |
120 | M_PENDATA->m_stipple = stipple; | |
121 | M_PENDATA->m_width = Width; | |
122 | M_PENDATA->m_style = wxSTIPPLE; | |
123 | M_PENDATA->m_join = wxJOIN_ROUND ; | |
124 | M_PENDATA->m_cap = wxCAP_ROUND ; | |
125 | M_PENDATA->m_nbDash = 0 ; | |
126 | M_PENDATA->m_dash = 0 ; | |
127 | M_PENDATA->m_hPen = 0 ; | |
128 | ||
129 | RealizeResource(); | |
130 | ||
131 | if ( wxThePenList ) | |
132 | wxThePenList->AddPen(this); | |
133 | } | |
134 | ||
debe6624 | 135 | wxPen::wxPen(const wxString& col, int Width, int Style) |
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136 | { |
137 | m_refData = new wxPenRefData; | |
138 | ||
139 | M_PENDATA->m_colour = col; | |
140 | // M_PENDATA->m_stipple = NULL ; | |
141 | M_PENDATA->m_width = Width; | |
142 | M_PENDATA->m_style = Style; | |
143 | M_PENDATA->m_join = wxJOIN_ROUND ; | |
144 | M_PENDATA->m_cap = wxCAP_ROUND ; | |
145 | M_PENDATA->m_nbDash = 0 ; | |
146 | M_PENDATA->m_dash = 0 ; | |
147 | M_PENDATA->m_hPen = 0 ; | |
148 | ||
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149 | RealizeResource(); |
150 | ||
151 | if ( wxThePenList ) | |
152 | wxThePenList->AddPen(this); | |
153 | } | |
154 | ||
155 | bool wxPen::RealizeResource(void) | |
156 | { | |
157 | if (M_PENDATA && (M_PENDATA->m_hPen == 0)) | |
158 | { | |
159 | if (M_PENDATA->m_style==wxTRANSPARENT) | |
160 | { | |
161 | M_PENDATA->m_hPen = (WXHPEN) ::GetStockObject(NULL_PEN); | |
162 | return TRUE; | |
163 | } | |
164 | ||
165 | COLORREF ms_colour = 0 ; | |
166 | ms_colour = M_PENDATA->m_colour.GetPixel() ; | |
167 | ||
168 | // Join style, Cap style, Pen Stippling only on Win32. | |
169 | // Currently no time to find equivalent on Win3.1, sorry | |
170 | // [if such equiv exist!!] | |
171 | #ifdef __WIN32__ | |
172 | if (M_PENDATA->m_join==wxJOIN_ROUND && | |
173 | M_PENDATA->m_cap==wxCAP_ROUND && | |
174 | M_PENDATA->m_style!=wxUSER_DASH && | |
6f65e337 JS |
175 | M_PENDATA->m_style!=wxSTIPPLE && |
176 | M_PENDATA->m_width <= 1 | |
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177 | ) |
178 | M_PENDATA->m_hPen = (WXHPEN) CreatePen(wx2msPenStyle(M_PENDATA->m_style), M_PENDATA->m_width, ms_colour); | |
179 | else | |
180 | { | |
181 | DWORD ms_style = PS_GEOMETRIC|wx2msPenStyle(M_PENDATA->m_style) ; | |
182 | ||
183 | LOGBRUSH logb ; | |
184 | ||
185 | switch(M_PENDATA->m_join) | |
186 | { | |
187 | case wxJOIN_BEVEL: ms_style |= PS_JOIN_BEVEL ; break ; | |
188 | case wxJOIN_MITER: ms_style |= PS_JOIN_MITER ; break ; | |
189 | default: | |
190 | case wxJOIN_ROUND: ms_style |= PS_JOIN_ROUND ; break ; | |
191 | } | |
192 | ||
193 | switch(M_PENDATA->m_cap) | |
194 | { | |
195 | case wxCAP_PROJECTING: ms_style |= PS_ENDCAP_SQUARE ; break ; | |
196 | case wxCAP_BUTT: ms_style |= PS_ENDCAP_FLAT ; break ; | |
197 | default: | |
198 | case wxCAP_ROUND: ms_style |= PS_ENDCAP_ROUND ; break ; | |
199 | } | |
200 | ||
201 | switch(M_PENDATA->m_style) | |
202 | { | |
203 | case wxSTIPPLE: | |
204 | logb.lbStyle = BS_PATTERN ; | |
205 | if (M_PENDATA->m_stipple.Ok()) | |
206 | logb.lbHatch = (LONG)M_PENDATA->m_stipple.GetHBITMAP() ; | |
207 | else | |
208 | logb.lbHatch = (LONG)0 ; | |
209 | break ; | |
210 | case wxBDIAGONAL_HATCH: | |
211 | logb.lbStyle = BS_HATCHED ; | |
212 | logb.lbHatch = HS_BDIAGONAL ; | |
213 | break ; | |
214 | case wxCROSSDIAG_HATCH: | |
215 | logb.lbStyle = BS_HATCHED ; | |
216 | logb.lbHatch = HS_DIAGCROSS ; | |
217 | break ; | |
218 | case wxFDIAGONAL_HATCH: | |
219 | logb.lbStyle = BS_HATCHED ; | |
220 | logb.lbHatch = HS_FDIAGONAL ; | |
221 | break ; | |
222 | case wxCROSS_HATCH: | |
223 | logb.lbStyle = BS_HATCHED ; | |
224 | logb.lbHatch = HS_CROSS ; | |
225 | break ; | |
226 | case wxHORIZONTAL_HATCH: | |
227 | logb.lbStyle = BS_HATCHED ; | |
228 | logb.lbHatch = HS_HORIZONTAL ; | |
229 | break ; | |
230 | case wxVERTICAL_HATCH: | |
231 | logb.lbStyle = BS_HATCHED ; | |
232 | logb.lbHatch = HS_VERTICAL ; | |
233 | break ; | |
234 | default: | |
235 | logb.lbStyle = BS_SOLID ; | |
236 | break ; | |
237 | } | |
238 | logb.lbColor = ms_colour ; | |
239 | wxDash *real_dash ; | |
240 | if (M_PENDATA->m_style==wxUSER_DASH && M_PENDATA->m_nbDash && M_PENDATA->m_dash) | |
241 | { | |
242 | real_dash = new wxDash[M_PENDATA->m_nbDash] ; | |
243 | int i; | |
244 | for (i=0;i<M_PENDATA->m_nbDash;i++) | |
245 | real_dash[i] = M_PENDATA->m_dash[i] * M_PENDATA->m_width ; | |
246 | } | |
247 | else | |
248 | real_dash = 0 ; | |
249 | ||
250 | // Win32s doesn't have ExtCreatePen function... | |
251 | if (wxGetOsVersion()==wxWINDOWS_NT || wxGetOsVersion()==wxWIN95) | |
252 | M_PENDATA->m_hPen = (WXHPEN) ExtCreatePen(ms_style,M_PENDATA->m_width,&logb, | |
253 | M_PENDATA->m_style==wxUSER_DASH ? M_PENDATA->m_nbDash:0, (const DWORD *)real_dash); | |
254 | else | |
255 | M_PENDATA->m_hPen = (WXHPEN) CreatePen(wx2msPenStyle(M_PENDATA->m_style), M_PENDATA->m_width, ms_colour); | |
256 | ||
257 | if (real_dash) | |
258 | delete [] real_dash ; | |
259 | } | |
260 | #else | |
261 | M_PENDATA->m_hPen = (WXHPEN) CreatePen(wx2msPenStyle(M_PENDATA->m_style), M_PENDATA->m_width, ms_colour); | |
262 | #endif | |
263 | #ifdef DEBUG_CREATE | |
264 | if (M_PENDATA->m_hPen==0) | |
265 | wxError("Cannot create pen","Internal error") ; | |
266 | #endif | |
267 | return TRUE; | |
268 | } | |
269 | return FALSE; | |
270 | } | |
271 | ||
272 | WXHANDLE wxPen::GetResourceHandle(void) | |
273 | { | |
274 | if ( !M_PENDATA ) | |
275 | return 0; | |
276 | else | |
277 | return (WXHANDLE)M_PENDATA->m_hPen; | |
278 | } | |
279 | ||
280 | bool wxPen::FreeResource(bool force) | |
281 | { | |
282 | if (M_PENDATA && (M_PENDATA->m_hPen != 0)) | |
283 | { | |
284 | DeleteObject((HPEN) M_PENDATA->m_hPen); | |
285 | M_PENDATA->m_hPen = 0; | |
286 | return TRUE; | |
287 | } | |
288 | else return FALSE; | |
289 | } | |
290 | ||
291 | /* | |
292 | bool wxPen::UseResource(void) | |
293 | { | |
294 | IncrementResourceUsage(); | |
295 | return TRUE; | |
296 | } | |
297 | ||
298 | bool wxPen::ReleaseResource(void) | |
299 | { | |
300 | DecrementResourceUsage(); | |
301 | return TRUE; | |
302 | } | |
303 | */ | |
304 | ||
305 | bool wxPen::IsFree(void) | |
306 | { | |
307 | return (M_PENDATA && M_PENDATA->m_hPen == 0); | |
308 | } | |
309 | ||
310 | void wxPen::SetColour(const wxColour& col) | |
311 | { | |
312 | if ( !M_PENDATA ) | |
313 | m_refData = new wxPenRefData; | |
314 | ||
315 | M_PENDATA->m_colour = col; | |
316 | ||
317 | if (FreeResource()) | |
318 | RealizeResource(); | |
319 | } | |
320 | ||
321 | void wxPen::SetColour(const wxString& col) | |
322 | { | |
323 | if ( !M_PENDATA ) | |
324 | m_refData = new wxPenRefData; | |
325 | ||
326 | M_PENDATA->m_colour = col; | |
327 | ||
328 | if (FreeResource()) | |
329 | RealizeResource(); | |
330 | } | |
331 | ||
332 | void wxPen::SetColour(const unsigned char r, const unsigned char g, const unsigned char b) | |
333 | { | |
334 | if ( !M_PENDATA ) | |
335 | m_refData = new wxPenRefData; | |
336 | ||
337 | M_PENDATA->m_colour.Set(r, g, b); | |
338 | ||
339 | if (FreeResource()) | |
340 | RealizeResource(); | |
341 | } | |
342 | ||
debe6624 | 343 | void wxPen::SetWidth(int Width) |
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344 | { |
345 | if ( !M_PENDATA ) | |
346 | m_refData = new wxPenRefData; | |
347 | ||
348 | M_PENDATA->m_width = Width; | |
349 | ||
350 | if (FreeResource()) | |
351 | RealizeResource(); | |
352 | } | |
353 | ||
debe6624 | 354 | void wxPen::SetStyle(int Style) |
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355 | { |
356 | if ( !M_PENDATA ) | |
357 | m_refData = new wxPenRefData; | |
358 | ||
359 | M_PENDATA->m_style = Style; | |
360 | ||
361 | if (FreeResource()) | |
362 | RealizeResource(); | |
363 | } | |
364 | ||
365 | void wxPen::SetStipple(const wxBitmap& Stipple) | |
366 | { | |
367 | if ( !M_PENDATA ) | |
368 | m_refData = new wxPenRefData; | |
369 | ||
370 | M_PENDATA->m_stipple = Stipple; | |
371 | M_PENDATA->m_style = wxSTIPPLE; | |
372 | ||
373 | if (FreeResource()) | |
374 | RealizeResource(); | |
375 | } | |
376 | ||
debe6624 | 377 | void wxPen::SetDashes(int nb_dashes, const wxDash *Dash) |
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378 | { |
379 | if ( !M_PENDATA ) | |
380 | m_refData = new wxPenRefData; | |
381 | ||
382 | M_PENDATA->m_nbDash = nb_dashes; | |
383 | M_PENDATA->m_dash = (wxDash *)Dash; | |
384 | ||
385 | if (FreeResource()) | |
386 | RealizeResource(); | |
387 | } | |
388 | ||
debe6624 | 389 | void wxPen::SetJoin(int Join) |
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390 | { |
391 | if ( !M_PENDATA ) | |
392 | m_refData = new wxPenRefData; | |
393 | ||
394 | M_PENDATA->m_join = Join; | |
395 | ||
396 | if (FreeResource()) | |
397 | RealizeResource(); | |
398 | } | |
399 | ||
debe6624 | 400 | void wxPen::SetCap(int Cap) |
2bda0e17 KB |
401 | { |
402 | if ( !M_PENDATA ) | |
403 | m_refData = new wxPenRefData; | |
404 | ||
405 | M_PENDATA->m_cap = Cap; | |
406 | ||
407 | if (FreeResource()) | |
408 | RealizeResource(); | |
409 | } | |
410 | ||
411 | int wx2msPenStyle(int wx_style) | |
412 | { | |
413 | int cstyle; | |
414 | /*** | |
415 | #ifdef __WIN32__ | |
416 | DWORD vers = GetVersion() ; | |
417 | WORD high = HIWORD(vers) ; // high bit=0 for NT, 1 for Win32s | |
418 | #endif | |
419 | ***/ | |
420 | switch (wx_style) | |
421 | { | |
422 | case wxDOT: | |
423 | cstyle = PS_DOT; | |
424 | break; | |
425 | case wxSHORT_DASH: | |
426 | case wxLONG_DASH: | |
427 | cstyle = PS_DASH; | |
428 | break; | |
429 | case wxTRANSPARENT: | |
430 | cstyle = PS_NULL; | |
431 | break; | |
432 | case wxUSER_DASH: | |
433 | // User dash style not supported on Win3.1, sorry... | |
434 | #ifdef __WIN32__ | |
435 | // Win32s doesn't have PS_USERSTYLE | |
436 | /*** | |
437 | if ((high&0x8000)==0) | |
438 | ***/ | |
439 | if (wxGetOsVersion()==wxWINDOWS_NT) | |
440 | cstyle = PS_USERSTYLE ; | |
441 | else | |
442 | cstyle = PS_DOT ; // We must make a choice... This is mine! | |
443 | #else | |
444 | cstyle = PS_DASH ; | |
445 | #endif | |
446 | break ; | |
447 | case wxSOLID: | |
448 | default: | |
449 | cstyle = PS_SOLID; | |
450 | break; | |
451 | } | |
452 | return cstyle; | |
453 | } | |
454 |