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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/msw/font.cpp | |
3 | // Purpose: wxFont class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) wxWidgets team | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
21 | #pragma implementation "font.h" | |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #ifndef WX_PRECOMP | |
32 | #include "wx/setup.h" | |
33 | #include "wx/list.h" | |
34 | #include "wx/utils.h" | |
35 | #include "wx/app.h" | |
36 | #include "wx/font.h" | |
37 | #include "wx/log.h" | |
38 | #include "wx/encinfo.h" | |
39 | #endif // WX_PRECOMP | |
40 | ||
41 | #include "wx/msw/private.h" | |
42 | ||
43 | #include "wx/fontutil.h" | |
44 | #include "wx/fontmap.h" | |
45 | ||
46 | #include "wx/tokenzr.h" | |
47 | ||
48 | #if wxUSE_EXTENDED_RTTI | |
49 | ||
50 | wxBEGIN_ENUM( wxFontFamily ) | |
51 | wxENUM_MEMBER( wxDEFAULT ) | |
52 | wxENUM_MEMBER( wxDECORATIVE ) | |
53 | wxENUM_MEMBER( wxROMAN ) | |
54 | wxENUM_MEMBER( wxSCRIPT ) | |
55 | wxENUM_MEMBER( wxSWISS ) | |
56 | wxENUM_MEMBER( wxMODERN ) | |
57 | wxENUM_MEMBER( wxTELETYPE ) | |
58 | wxEND_ENUM( wxFontFamily ) | |
59 | ||
60 | wxBEGIN_ENUM( wxFontStyle ) | |
61 | wxENUM_MEMBER( wxNORMAL ) | |
62 | wxENUM_MEMBER( wxITALIC ) | |
63 | wxENUM_MEMBER( wxSLANT ) | |
64 | wxEND_ENUM( wxFontStyle ) | |
65 | ||
66 | wxBEGIN_ENUM( wxFontWeight ) | |
67 | wxENUM_MEMBER( wxNORMAL ) | |
68 | wxENUM_MEMBER( wxLIGHT ) | |
69 | wxENUM_MEMBER( wxBOLD ) | |
70 | wxEND_ENUM( wxFontWeight ) | |
71 | ||
72 | IMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject,"wx/font.h") | |
73 | ||
74 | wxBEGIN_PROPERTIES_TABLE(wxFont) | |
75 | wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
76 | wxPROPERTY( Family, int , SetFamily, GetFamily, (int)wxDEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontFamily | |
77 | wxPROPERTY( Style, int , SetStyle, GetStyle, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontStyle | |
78 | wxPROPERTY( Weight, int , SetWeight, GetWeight, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontWeight | |
79 | wxPROPERTY( Underlined, bool , SetUnderlined, GetUnderlined, false , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
80 | wxPROPERTY( Face, wxString , SetFaceName, GetFaceName, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
81 | wxPROPERTY( Encoding, wxFontEncoding , SetEncoding, GetEncoding, wxFONTENCODING_DEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
82 | wxEND_PROPERTIES_TABLE() | |
83 | ||
84 | wxCONSTRUCTOR_6( wxFont , int , Size , int , Family , int , Style , int , Weight , bool , Underlined , wxString , Face ) | |
85 | ||
86 | wxBEGIN_HANDLERS_TABLE(wxFont) | |
87 | wxEND_HANDLERS_TABLE() | |
88 | ||
89 | #else | |
90 | IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) | |
91 | #endif | |
92 | ||
93 | ||
94 | // ---------------------------------------------------------------------------- | |
95 | // constants | |
96 | // ---------------------------------------------------------------------------- | |
97 | ||
98 | // the mask used to extract the pitch from LOGFONT::lfPitchAndFamily field | |
99 | static const int PITCH_MASK = FIXED_PITCH | VARIABLE_PITCH; | |
100 | ||
101 | // ---------------------------------------------------------------------------- | |
102 | // wxFontRefData - the internal description of the font | |
103 | // ---------------------------------------------------------------------------- | |
104 | ||
105 | class WXDLLEXPORT wxFontRefData: public wxGDIRefData | |
106 | { | |
107 | public: | |
108 | // constructors | |
109 | wxFontRefData() | |
110 | { | |
111 | Init(-1, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, | |
112 | false, wxEmptyString, wxFONTENCODING_DEFAULT); | |
113 | } | |
114 | ||
115 | wxFontRefData(int size, | |
116 | int family, | |
117 | int style, | |
118 | int weight, | |
119 | bool underlined, | |
120 | const wxString& faceName, | |
121 | wxFontEncoding encoding) | |
122 | { | |
123 | Init(size, family, style, weight, underlined, faceName, encoding); | |
124 | } | |
125 | ||
126 | wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0) | |
127 | { | |
128 | Init(info, hFont); | |
129 | } | |
130 | ||
131 | wxFontRefData(const wxFontRefData& data) | |
132 | { | |
133 | if ( data.m_nativeFontInfoOk ) | |
134 | { | |
135 | Init(data.m_nativeFontInfo); | |
136 | } | |
137 | else | |
138 | { | |
139 | Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight, | |
140 | data.m_underlined, data.m_faceName, data.m_encoding); | |
141 | } | |
142 | } | |
143 | ||
144 | virtual ~wxFontRefData(); | |
145 | ||
146 | // operations | |
147 | bool Alloc(wxFont *font); | |
148 | ||
149 | void Free(); | |
150 | ||
151 | // all wxFont accessors | |
152 | int GetPointSize() const | |
153 | { | |
154 | return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize() | |
155 | : m_pointSize; | |
156 | } | |
157 | ||
158 | int GetFamily() const | |
159 | { | |
160 | return m_family; | |
161 | } | |
162 | ||
163 | int GetStyle() const | |
164 | { | |
165 | return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle() | |
166 | : m_style; | |
167 | } | |
168 | ||
169 | int GetWeight() const | |
170 | { | |
171 | return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight() | |
172 | : m_weight; | |
173 | } | |
174 | ||
175 | bool GetUnderlined() const | |
176 | { | |
177 | return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined() | |
178 | : m_underlined; | |
179 | } | |
180 | ||
181 | wxString GetFaceName() const | |
182 | { | |
183 | wxString s; | |
184 | if ( m_nativeFontInfoOk ) | |
185 | s = m_nativeFontInfo.GetFaceName(); | |
186 | else | |
187 | s = m_faceName; | |
188 | ||
189 | return s; | |
190 | } | |
191 | ||
192 | wxFontEncoding GetEncoding() const | |
193 | { | |
194 | return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding() | |
195 | : m_encoding; | |
196 | } | |
197 | ||
198 | WXHFONT GetHFONT() const { return m_hFont; } | |
199 | ||
200 | // ... and setters | |
201 | void SetPointSize(int pointSize) | |
202 | { | |
203 | if ( m_nativeFontInfoOk ) | |
204 | m_nativeFontInfo.SetPointSize(pointSize); | |
205 | else | |
206 | m_pointSize = pointSize; | |
207 | } | |
208 | ||
209 | void SetFamily(int family) | |
210 | { | |
211 | m_family = family; | |
212 | } | |
213 | ||
214 | void SetStyle(int style) | |
215 | { | |
216 | if ( m_nativeFontInfoOk ) | |
217 | m_nativeFontInfo.SetStyle((wxFontStyle)style); | |
218 | else | |
219 | m_style = style; | |
220 | } | |
221 | ||
222 | void SetWeight(int weight) | |
223 | { | |
224 | if ( m_nativeFontInfoOk ) | |
225 | m_nativeFontInfo.SetWeight((wxFontWeight)weight); | |
226 | else | |
227 | m_weight = weight; | |
228 | } | |
229 | ||
230 | void SetFaceName(const wxString& faceName) | |
231 | { | |
232 | if ( m_nativeFontInfoOk ) | |
233 | m_nativeFontInfo.SetFaceName(faceName); | |
234 | else | |
235 | m_faceName = faceName; | |
236 | } | |
237 | ||
238 | void SetUnderlined(bool underlined) | |
239 | { | |
240 | if ( m_nativeFontInfoOk ) | |
241 | m_nativeFontInfo.SetUnderlined(underlined); | |
242 | else | |
243 | m_underlined = underlined; | |
244 | } | |
245 | ||
246 | void SetEncoding(wxFontEncoding encoding) | |
247 | { | |
248 | if ( m_nativeFontInfoOk ) | |
249 | m_nativeFontInfo.SetEncoding(encoding); | |
250 | else | |
251 | m_encoding = encoding; | |
252 | } | |
253 | ||
254 | // native font info tests | |
255 | bool HasNativeFontInfo() const { return m_nativeFontInfoOk; } | |
256 | ||
257 | const wxNativeFontInfo& GetNativeFontInfo() const | |
258 | { return m_nativeFontInfo; } | |
259 | ||
260 | protected: | |
261 | // common part of all ctors | |
262 | void Init(int size, | |
263 | int family, | |
264 | int style, | |
265 | int weight, | |
266 | bool underlined, | |
267 | const wxString& faceName, | |
268 | wxFontEncoding encoding); | |
269 | ||
270 | void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0); | |
271 | ||
272 | // font characterstics | |
273 | int m_pointSize; | |
274 | int m_family; | |
275 | int m_style; | |
276 | int m_weight; | |
277 | bool m_underlined; | |
278 | wxString m_faceName; | |
279 | wxFontEncoding m_encoding; | |
280 | ||
281 | // Windows font handle | |
282 | WXHFONT m_hFont; | |
283 | ||
284 | // Native font info | |
285 | wxNativeFontInfo m_nativeFontInfo; | |
286 | bool m_nativeFontInfoOk; | |
287 | }; | |
288 | ||
289 | // ============================================================================ | |
290 | // implementation | |
291 | // ============================================================================ | |
292 | ||
293 | // ---------------------------------------------------------------------------- | |
294 | // wxFontRefData | |
295 | // ---------------------------------------------------------------------------- | |
296 | ||
297 | void wxFontRefData::Init(int pointSize, | |
298 | int family, | |
299 | int style, | |
300 | int weight, | |
301 | bool underlined, | |
302 | const wxString& faceName, | |
303 | wxFontEncoding encoding) | |
304 | { | |
305 | m_style = style; | |
306 | m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize; | |
307 | m_family = family; | |
308 | m_style = style; | |
309 | m_weight = weight; | |
310 | m_underlined = underlined; | |
311 | m_faceName = faceName; | |
312 | m_encoding = encoding; | |
313 | ||
314 | m_hFont = 0; | |
315 | ||
316 | m_nativeFontInfoOk = false; | |
317 | } | |
318 | ||
319 | void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont) | |
320 | { | |
321 | // hFont may be zero, or it be passed in case we really want to | |
322 | // use the exact font created in the underlying system | |
323 | // (for example where we can't guarantee conversion from HFONT | |
324 | // to LOGFONT back to HFONT) | |
325 | m_hFont = hFont; | |
326 | ||
327 | m_nativeFontInfoOk = true; | |
328 | m_nativeFontInfo = info; | |
329 | // This is the best we can do since we don't have the | |
330 | // correct information at this point. | |
331 | m_family = wxSWISS; | |
332 | } | |
333 | ||
334 | wxFontRefData::~wxFontRefData() | |
335 | { | |
336 | Free(); | |
337 | } | |
338 | ||
339 | bool wxFontRefData::Alloc(wxFont *font) | |
340 | { | |
341 | if ( !m_nativeFontInfoOk ) | |
342 | { | |
343 | wxFillLogFont(&m_nativeFontInfo.lf, font); | |
344 | m_nativeFontInfoOk = true; | |
345 | } | |
346 | ||
347 | HFONT hfont = ::CreateFontIndirect(&m_nativeFontInfo.lf); | |
348 | if ( !hfont ) | |
349 | { | |
350 | wxLogLastError(wxT("CreateFont")); | |
351 | ||
352 | return false; | |
353 | } | |
354 | ||
355 | m_hFont = (WXHFONT)hfont; | |
356 | ||
357 | return true; | |
358 | } | |
359 | ||
360 | void wxFontRefData::Free() | |
361 | { | |
362 | if ( m_hFont ) | |
363 | { | |
364 | if ( !::DeleteObject((HFONT) m_hFont) ) | |
365 | { | |
366 | wxLogLastError(wxT("DeleteObject(font)")); | |
367 | } | |
368 | ||
369 | m_hFont = 0; | |
370 | } | |
371 | } | |
372 | ||
373 | // ---------------------------------------------------------------------------- | |
374 | // wxNativeFontInfo | |
375 | // ---------------------------------------------------------------------------- | |
376 | ||
377 | void wxNativeFontInfo::Init() | |
378 | { | |
379 | wxZeroMemory(lf); | |
380 | } | |
381 | ||
382 | int wxNativeFontInfo::GetPointSize() const | |
383 | { | |
384 | // FIXME: using the screen here results in incorrect font size calculation | |
385 | // for printing! | |
386 | const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY); | |
387 | ||
388 | return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5); | |
389 | } | |
390 | ||
391 | wxFontStyle wxNativeFontInfo::GetStyle() const | |
392 | { | |
393 | return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL; | |
394 | } | |
395 | ||
396 | wxFontWeight wxNativeFontInfo::GetWeight() const | |
397 | { | |
398 | if ( lf.lfWeight <= 300 ) | |
399 | return wxFONTWEIGHT_LIGHT; | |
400 | ||
401 | if ( lf.lfWeight >= 600 ) | |
402 | return wxFONTWEIGHT_BOLD; | |
403 | ||
404 | return wxFONTWEIGHT_NORMAL; | |
405 | } | |
406 | ||
407 | bool wxNativeFontInfo::GetUnderlined() const | |
408 | { | |
409 | return lf.lfUnderline != 0; | |
410 | } | |
411 | ||
412 | wxString wxNativeFontInfo::GetFaceName() const | |
413 | { | |
414 | return lf.lfFaceName; | |
415 | } | |
416 | ||
417 | wxFontFamily wxNativeFontInfo::GetFamily() const | |
418 | { | |
419 | wxFontFamily family; | |
420 | ||
421 | // extract family from pitch-and-family | |
422 | switch ( lf.lfPitchAndFamily & ~PITCH_MASK ) | |
423 | { | |
424 | case FF_ROMAN: | |
425 | family = wxFONTFAMILY_ROMAN; | |
426 | break; | |
427 | ||
428 | default: | |
429 | wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") ); | |
430 | // fall through | |
431 | ||
432 | case FF_SWISS: | |
433 | family = wxFONTFAMILY_SWISS; | |
434 | break; | |
435 | ||
436 | case FF_SCRIPT: | |
437 | family = wxFONTFAMILY_SCRIPT; | |
438 | break; | |
439 | ||
440 | case FF_MODERN: | |
441 | family = wxFONTFAMILY_MODERN; | |
442 | break; | |
443 | ||
444 | case FF_DECORATIVE: | |
445 | family = wxFONTFAMILY_DECORATIVE; | |
446 | break; | |
447 | } | |
448 | ||
449 | return family; | |
450 | } | |
451 | ||
452 | wxFontEncoding wxNativeFontInfo::GetEncoding() const | |
453 | { | |
454 | return wxGetFontEncFromCharSet(lf.lfCharSet); | |
455 | } | |
456 | ||
457 | void wxNativeFontInfo::SetPointSize(int pointsize) | |
458 | { | |
459 | #if wxFONT_SIZE_COMPATIBILITY | |
460 | // Incorrect, but compatible with old wxWidgets behaviour | |
461 | lf.lfHeight = (pointSize*ppInch)/72; | |
462 | #else // wxFONT_SIZE_COMPATIBILITY | |
463 | // FIXME: using the screen here results in incorrect font size calculation | |
464 | // for printing! | |
465 | const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY); | |
466 | ||
467 | lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5); | |
468 | #endif // wxFONT_SIZE_COMPATIBILITY/!wxFONT_SIZE_COMPATIBILITY | |
469 | } | |
470 | ||
471 | void wxNativeFontInfo::SetStyle(wxFontStyle style) | |
472 | { | |
473 | switch ( style ) | |
474 | { | |
475 | default: | |
476 | wxFAIL_MSG( _T("unknown font style") ); | |
477 | // fall through | |
478 | ||
479 | case wxFONTSTYLE_NORMAL: | |
480 | lf.lfItalic = FALSE; | |
481 | break; | |
482 | ||
483 | case wxFONTSTYLE_ITALIC: | |
484 | case wxFONTSTYLE_SLANT: | |
485 | lf.lfItalic = TRUE; | |
486 | break; | |
487 | } | |
488 | } | |
489 | ||
490 | void wxNativeFontInfo::SetWeight(wxFontWeight weight) | |
491 | { | |
492 | switch ( weight ) | |
493 | { | |
494 | default: | |
495 | wxFAIL_MSG( _T("unknown font weight") ); | |
496 | // fall through | |
497 | ||
498 | case wxFONTWEIGHT_NORMAL: | |
499 | lf.lfWeight = FW_NORMAL; | |
500 | break; | |
501 | ||
502 | case wxFONTWEIGHT_LIGHT: | |
503 | lf.lfWeight = FW_LIGHT; | |
504 | break; | |
505 | ||
506 | case wxFONTWEIGHT_BOLD: | |
507 | lf.lfWeight = FW_BOLD; | |
508 | break; | |
509 | } | |
510 | } | |
511 | ||
512 | void wxNativeFontInfo::SetUnderlined(bool underlined) | |
513 | { | |
514 | lf.lfUnderline = underlined; | |
515 | } | |
516 | ||
517 | void wxNativeFontInfo::SetFaceName(wxString facename) | |
518 | { | |
519 | wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName)); | |
520 | } | |
521 | ||
522 | void wxNativeFontInfo::SetFamily(wxFontFamily family) | |
523 | { | |
524 | int ff_family; | |
525 | wxString facename; | |
526 | ||
527 | switch ( family ) | |
528 | { | |
529 | case wxSCRIPT: | |
530 | ff_family = FF_SCRIPT; | |
531 | facename = _T("Script"); | |
532 | break; | |
533 | ||
534 | case wxDECORATIVE: | |
535 | ff_family = FF_DECORATIVE; | |
536 | facename = _T("Old English Text MT"); | |
537 | break; | |
538 | ||
539 | case wxROMAN: | |
540 | ff_family = FF_ROMAN; | |
541 | facename = _T("Times New Roman"); | |
542 | break; | |
543 | ||
544 | case wxTELETYPE: | |
545 | case wxMODERN: | |
546 | ff_family = FF_MODERN; | |
547 | facename = _T("Courier New"); | |
548 | break; | |
549 | ||
550 | case wxSWISS: | |
551 | ff_family = FF_SWISS; | |
552 | facename = _T("Arial"); | |
553 | break; | |
554 | ||
555 | case wxDEFAULT: | |
556 | default: | |
557 | ff_family = FF_SWISS; | |
558 | facename = _T("MS Sans Serif"); | |
559 | } | |
560 | ||
561 | lf.lfPitchAndFamily = DEFAULT_PITCH | ff_family; | |
562 | ||
563 | if ( !wxStrlen(lf.lfFaceName) ) | |
564 | { | |
565 | SetFaceName(facename); | |
566 | } | |
567 | } | |
568 | ||
569 | void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding) | |
570 | { | |
571 | wxNativeEncodingInfo info; | |
572 | if ( !wxGetNativeFontEncoding(encoding, &info) ) | |
573 | { | |
574 | #if wxUSE_FONTMAP | |
575 | if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) ) | |
576 | { | |
577 | if ( !info.facename.empty() ) | |
578 | { | |
579 | // if we have this encoding only in some particular facename, use | |
580 | // the facename - it is better to show the correct characters in a | |
581 | // wrong facename than unreadable text in a correct one | |
582 | SetFaceName(info.facename); | |
583 | } | |
584 | } | |
585 | else | |
586 | #endif // wxUSE_FONTMAP | |
587 | { | |
588 | // unsupported encoding, replace with the default | |
589 | info.charset = DEFAULT_CHARSET; | |
590 | } | |
591 | } | |
592 | ||
593 | lf.lfCharSet = info.charset; | |
594 | } | |
595 | ||
596 | bool wxNativeFontInfo::FromString(const wxString& s) | |
597 | { | |
598 | long l; | |
599 | ||
600 | wxStringTokenizer tokenizer(s, _T(";")); | |
601 | ||
602 | // first the version | |
603 | wxString token = tokenizer.GetNextToken(); | |
604 | if ( token != _T('0') ) | |
605 | return false; | |
606 | ||
607 | token = tokenizer.GetNextToken(); | |
608 | if ( !token.ToLong(&l) ) | |
609 | return false; | |
610 | lf.lfHeight = l; | |
611 | ||
612 | token = tokenizer.GetNextToken(); | |
613 | if ( !token.ToLong(&l) ) | |
614 | return false; | |
615 | lf.lfWidth = l; | |
616 | ||
617 | token = tokenizer.GetNextToken(); | |
618 | if ( !token.ToLong(&l) ) | |
619 | return false; | |
620 | lf.lfEscapement = l; | |
621 | ||
622 | token = tokenizer.GetNextToken(); | |
623 | if ( !token.ToLong(&l) ) | |
624 | return false; | |
625 | lf.lfOrientation = l; | |
626 | ||
627 | token = tokenizer.GetNextToken(); | |
628 | if ( !token.ToLong(&l) ) | |
629 | return false; | |
630 | lf.lfWeight = l; | |
631 | ||
632 | token = tokenizer.GetNextToken(); | |
633 | if ( !token.ToLong(&l) ) | |
634 | return false; | |
635 | lf.lfItalic = (BYTE)l; | |
636 | ||
637 | token = tokenizer.GetNextToken(); | |
638 | if ( !token.ToLong(&l) ) | |
639 | return false; | |
640 | lf.lfUnderline = (BYTE)l; | |
641 | ||
642 | token = tokenizer.GetNextToken(); | |
643 | if ( !token.ToLong(&l) ) | |
644 | return false; | |
645 | lf.lfStrikeOut = (BYTE)l; | |
646 | ||
647 | token = tokenizer.GetNextToken(); | |
648 | if ( !token.ToLong(&l) ) | |
649 | return false; | |
650 | lf.lfCharSet = (BYTE)l; | |
651 | ||
652 | token = tokenizer.GetNextToken(); | |
653 | if ( !token.ToLong(&l) ) | |
654 | return false; | |
655 | lf.lfOutPrecision = (BYTE)l; | |
656 | ||
657 | token = tokenizer.GetNextToken(); | |
658 | if ( !token.ToLong(&l) ) | |
659 | return false; | |
660 | lf.lfClipPrecision = (BYTE)l; | |
661 | ||
662 | token = tokenizer.GetNextToken(); | |
663 | if ( !token.ToLong(&l) ) | |
664 | return false; | |
665 | lf.lfQuality = (BYTE)l; | |
666 | ||
667 | token = tokenizer.GetNextToken(); | |
668 | if ( !token.ToLong(&l) ) | |
669 | return false; | |
670 | lf.lfPitchAndFamily = (BYTE)l; | |
671 | ||
672 | token = tokenizer.GetNextToken(); | |
673 | if(!token) | |
674 | return false; | |
675 | wxStrcpy(lf.lfFaceName, token.c_str()); | |
676 | ||
677 | return true; | |
678 | } | |
679 | ||
680 | wxString wxNativeFontInfo::ToString() const | |
681 | { | |
682 | wxString s; | |
683 | ||
684 | s.Printf(_T("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"), | |
685 | 0, // version, in case we want to change the format later | |
686 | lf.lfHeight, | |
687 | lf.lfWidth, | |
688 | lf.lfEscapement, | |
689 | lf.lfOrientation, | |
690 | lf.lfWeight, | |
691 | lf.lfItalic, | |
692 | lf.lfUnderline, | |
693 | lf.lfStrikeOut, | |
694 | lf.lfCharSet, | |
695 | lf.lfOutPrecision, | |
696 | lf.lfClipPrecision, | |
697 | lf.lfQuality, | |
698 | lf.lfPitchAndFamily, | |
699 | lf.lfFaceName); | |
700 | ||
701 | return s; | |
702 | } | |
703 | ||
704 | // ---------------------------------------------------------------------------- | |
705 | // wxFont | |
706 | // ---------------------------------------------------------------------------- | |
707 | ||
708 | void wxFont::Init() | |
709 | { | |
710 | } | |
711 | ||
712 | bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont) | |
713 | { | |
714 | UnRef(); | |
715 | ||
716 | m_refData = new wxFontRefData(info, hFont); | |
717 | ||
718 | RealizeResource(); | |
719 | ||
720 | return true; | |
721 | } | |
722 | ||
723 | wxFont::wxFont(const wxString& fontdesc) | |
724 | { | |
725 | wxNativeFontInfo info; | |
726 | if ( info.FromString(fontdesc) ) | |
727 | (void)Create(info); | |
728 | } | |
729 | ||
730 | /* Constructor for a font. Note that the real construction is done | |
731 | * in wxDC::SetFont, when information is available about scaling etc. | |
732 | */ | |
733 | bool wxFont::Create(int pointSize, | |
734 | int family, | |
735 | int style, | |
736 | int weight, | |
737 | bool underlined, | |
738 | const wxString& faceName, | |
739 | wxFontEncoding encoding) | |
740 | { | |
741 | UnRef(); | |
742 | ||
743 | // wxDEFAULT is a valid value for the font size too so we must treat it | |
744 | // specially here (otherwise the size would be 70 == wxDEFAULT value) | |
745 | if ( pointSize == wxDEFAULT ) | |
746 | { | |
747 | pointSize = wxNORMAL_FONT->GetPointSize(); | |
748 | } | |
749 | ||
750 | m_refData = new wxFontRefData(pointSize, family, style, weight, | |
751 | underlined, faceName, encoding); | |
752 | ||
753 | RealizeResource(); | |
754 | ||
755 | return true; | |
756 | } | |
757 | ||
758 | wxFont::~wxFont() | |
759 | { | |
760 | } | |
761 | ||
762 | // ---------------------------------------------------------------------------- | |
763 | // real implementation | |
764 | // ---------------------------------------------------------------------------- | |
765 | ||
766 | bool wxFont::RealizeResource() | |
767 | { | |
768 | if ( GetResourceHandle() ) | |
769 | { | |
770 | // VZ: the old code returned false in this case, but it doesn't seem | |
771 | // to make sense because the font _was_ created | |
772 | return true; | |
773 | } | |
774 | ||
775 | return M_FONTDATA->Alloc(this); | |
776 | } | |
777 | ||
778 | bool wxFont::FreeResource(bool WXUNUSED(force)) | |
779 | { | |
780 | if ( GetResourceHandle() ) | |
781 | { | |
782 | M_FONTDATA->Free(); | |
783 | ||
784 | return true; | |
785 | } | |
786 | ||
787 | return false; | |
788 | } | |
789 | ||
790 | WXHANDLE wxFont::GetResourceHandle() const | |
791 | { | |
792 | return (WXHANDLE)GetHFONT(); | |
793 | } | |
794 | ||
795 | WXHFONT wxFont::GetHFONT() const | |
796 | { | |
797 | return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0; | |
798 | } | |
799 | ||
800 | bool wxFont::IsFree() const | |
801 | { | |
802 | return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0); | |
803 | } | |
804 | ||
805 | void wxFont::Unshare() | |
806 | { | |
807 | // Don't change shared data | |
808 | if ( !m_refData ) | |
809 | { | |
810 | m_refData = new wxFontRefData(); | |
811 | } | |
812 | else | |
813 | { | |
814 | wxFontRefData* ref = new wxFontRefData(*M_FONTDATA); | |
815 | UnRef(); | |
816 | m_refData = ref; | |
817 | } | |
818 | } | |
819 | ||
820 | // ---------------------------------------------------------------------------- | |
821 | // change font attribute: we recreate font when doing it | |
822 | // ---------------------------------------------------------------------------- | |
823 | ||
824 | void wxFont::SetPointSize(int pointSize) | |
825 | { | |
826 | Unshare(); | |
827 | ||
828 | M_FONTDATA->SetPointSize(pointSize); | |
829 | ||
830 | RealizeResource(); | |
831 | } | |
832 | ||
833 | void wxFont::SetFamily(int family) | |
834 | { | |
835 | Unshare(); | |
836 | ||
837 | M_FONTDATA->SetFamily(family); | |
838 | ||
839 | RealizeResource(); | |
840 | } | |
841 | ||
842 | void wxFont::SetStyle(int style) | |
843 | { | |
844 | Unshare(); | |
845 | ||
846 | M_FONTDATA->SetStyle(style); | |
847 | ||
848 | RealizeResource(); | |
849 | } | |
850 | ||
851 | void wxFont::SetWeight(int weight) | |
852 | { | |
853 | Unshare(); | |
854 | ||
855 | M_FONTDATA->SetWeight(weight); | |
856 | ||
857 | RealizeResource(); | |
858 | } | |
859 | ||
860 | void wxFont::SetFaceName(const wxString& faceName) | |
861 | { | |
862 | Unshare(); | |
863 | ||
864 | M_FONTDATA->SetFaceName(faceName); | |
865 | ||
866 | RealizeResource(); | |
867 | } | |
868 | ||
869 | void wxFont::SetUnderlined(bool underlined) | |
870 | { | |
871 | Unshare(); | |
872 | ||
873 | M_FONTDATA->SetUnderlined(underlined); | |
874 | ||
875 | RealizeResource(); | |
876 | } | |
877 | ||
878 | void wxFont::SetEncoding(wxFontEncoding encoding) | |
879 | { | |
880 | Unshare(); | |
881 | ||
882 | M_FONTDATA->SetEncoding(encoding); | |
883 | ||
884 | RealizeResource(); | |
885 | } | |
886 | ||
887 | void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info) | |
888 | { | |
889 | Unshare(); | |
890 | ||
891 | FreeResource(); | |
892 | ||
893 | *M_FONTDATA = wxFontRefData(info); | |
894 | ||
895 | RealizeResource(); | |
896 | } | |
897 | ||
898 | // ---------------------------------------------------------------------------- | |
899 | // accessors | |
900 | // ---------------------------------------------------------------------------- | |
901 | ||
902 | int wxFont::GetPointSize() const | |
903 | { | |
904 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
905 | ||
906 | return M_FONTDATA->GetPointSize(); | |
907 | } | |
908 | ||
909 | int wxFont::GetFamily() const | |
910 | { | |
911 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
912 | ||
913 | return M_FONTDATA->GetFamily(); | |
914 | } | |
915 | ||
916 | int wxFont::GetStyle() const | |
917 | { | |
918 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
919 | ||
920 | return M_FONTDATA->GetStyle(); | |
921 | } | |
922 | ||
923 | int wxFont::GetWeight() const | |
924 | { | |
925 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
926 | ||
927 | return M_FONTDATA->GetWeight(); | |
928 | } | |
929 | ||
930 | bool wxFont::GetUnderlined() const | |
931 | { | |
932 | wxCHECK_MSG( Ok(), false, wxT("invalid font") ); | |
933 | ||
934 | return M_FONTDATA->GetUnderlined(); | |
935 | } | |
936 | ||
937 | wxString wxFont::GetFaceName() const | |
938 | { | |
939 | wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") ); | |
940 | ||
941 | return M_FONTDATA->GetFaceName(); | |
942 | } | |
943 | ||
944 | wxFontEncoding wxFont::GetEncoding() const | |
945 | { | |
946 | wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); | |
947 | ||
948 | return M_FONTDATA->GetEncoding(); | |
949 | } | |
950 | ||
951 | const wxNativeFontInfo *wxFont::GetNativeFontInfo() const | |
952 | { | |
953 | return M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo()) | |
954 | : NULL; | |
955 | } | |
956 | ||
957 | bool wxFont::IsFixedWidth() const | |
958 | { | |
959 | if ( M_FONTDATA->HasNativeFontInfo() ) | |
960 | { | |
961 | // the two low-order bits specify the pitch of the font, the rest is | |
962 | // family | |
963 | BYTE pitch = M_FONTDATA->GetNativeFontInfo(). | |
964 | lf.lfPitchAndFamily & PITCH_MASK; | |
965 | ||
966 | return pitch == FIXED_PITCH; | |
967 | } | |
968 | ||
969 | return wxFontBase::IsFixedWidth(); | |
970 | } | |
971 |