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d8cde57b DW |
1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: msw/fontutil.cpp | |
3 | // Purpose: font-related helper functions for wxMSW | |
4 | // Author: Modified by David Webster for OS/2 | |
5 | // Modified by: | |
6 | // Created: 01.03.00 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
9 | // Licence: wxWindows license | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
7e99520b DW |
11 | #define DEBUG_PRINTF(NAME) { static int raz=0; \ |
12 | printf( #NAME " %i\n",raz); fflush(stdout); \ | |
13 | raz++; \ | |
14 | } | |
d8cde57b DW |
15 | |
16 | // ============================================================================ | |
17 | // declarations | |
18 | // ============================================================================ | |
19 | ||
20 | // ---------------------------------------------------------------------------- | |
21 | // headers | |
22 | // ---------------------------------------------------------------------------- | |
23 | ||
a4372af6 SN |
24 | #ifdef __GNUG__ |
25 | #pragma implementation "fontutil.h" | |
26 | #endif | |
27 | ||
d8cde57b DW |
28 | // For compilers that support precompilation, includes "wx.h". |
29 | #include "wx/wxprec.h" | |
30 | ||
31 | #ifndef WX_PRECOMP | |
32 | #include "wx/string.h" | |
33 | #include "wx/log.h" | |
34 | #include "wx/intl.h" | |
35 | #endif //WX_PRECOMP | |
36 | ||
37 | #include "wx/os2/private.h" | |
38 | ||
39 | #include "wx/fontutil.h" | |
40 | #include "wx/fontmap.h" | |
41 | ||
42 | #include "wx/tokenzr.h" | |
43 | ||
44 | // ============================================================================ | |
45 | // implementation | |
46 | // ============================================================================ | |
47 | ||
48 | // ---------------------------------------------------------------------------- | |
49 | // wxNativeEncodingInfo | |
50 | // ---------------------------------------------------------------------------- | |
51 | ||
52 | // convert to/from the string representation: format is | |
1e1d0be1 | 53 | // encodingid;facename[;charset] |
d8cde57b DW |
54 | |
55 | bool wxNativeEncodingInfo::FromString(const wxString& s) | |
56 | { | |
57 | wxStringTokenizer tokenizer(s, _T(";")); | |
58 | ||
1e1d0be1 VS |
59 | wxString encid = tokenizer.GetNextToken(); |
60 | long enc; | |
61 | if ( !encid.ToLong(&enc) ) | |
62 | return FALSE; | |
63 | encoding = (wxFontEncoding)enc; | |
64 | ||
d8cde57b DW |
65 | facename = tokenizer.GetNextToken(); |
66 | if ( !facename ) | |
67 | return FALSE; | |
68 | ||
69 | wxString tmp = tokenizer.GetNextToken(); | |
70 | if ( !tmp ) | |
71 | { | |
72 | // default charset (don't use DEFAULT_CHARSET though because of subtle | |
73 | // Windows 9x/NT differences in handling it) | |
74 | // TODO: what is this for OS/2? | |
75 | // charset = ANSI_CHARSET; | |
76 | } | |
77 | else | |
78 | { | |
79 | if ( wxSscanf(tmp, _T("%u"), &charset) != 1 ) | |
80 | { | |
81 | // should be a number! | |
82 | return FALSE; | |
83 | } | |
84 | } | |
85 | ||
86 | return TRUE; | |
87 | } | |
88 | ||
89 | wxString wxNativeEncodingInfo::ToString() const | |
90 | { | |
1e1d0be1 | 91 | wxString s; |
7e99520b | 92 | |
1e1d0be1 VS |
93 | s << (long)encoding << _T(';') << facename; |
94 | ||
d8cde57b DW |
95 | // TODO: what is this for OS/2? |
96 | /* | |
97 | if ( charset != ANSI_CHARSET ) | |
98 | { | |
99 | s << _T(';') << charset; | |
100 | } | |
101 | */ | |
102 | return s; | |
103 | } | |
104 | ||
105 | // ---------------------------------------------------------------------------- | |
106 | // helper functions | |
107 | // ---------------------------------------------------------------------------- | |
108 | ||
109 | bool wxGetNativeFontEncoding(wxFontEncoding encoding, | |
110 | wxNativeEncodingInfo *info) | |
111 | { | |
112 | wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") ); | |
113 | ||
114 | if ( encoding == wxFONTENCODING_DEFAULT ) | |
115 | { | |
116 | encoding = wxFont::GetDefaultEncoding(); | |
117 | } | |
118 | ||
119 | switch ( encoding ) | |
120 | { | |
121 | // TODO: fix this for OS2 | |
122 | /* | |
123 | // although this function is supposed to return an exact match, do do | |
124 | // some mappings here for the most common case of "standard" encoding | |
125 | case wxFONTENCODING_SYSTEM: | |
126 | case wxFONTENCODING_ISO8859_1: | |
127 | case wxFONTENCODING_ISO8859_15: | |
128 | case wxFONTENCODING_CP1252: | |
129 | info->charset = ANSI_CHARSET; | |
130 | break; | |
131 | ||
132 | case wxFONTENCODING_CP1250: | |
133 | info->charset = EASTEUROPE_CHARSET; | |
134 | break; | |
135 | ||
136 | case wxFONTENCODING_CP1251: | |
137 | info->charset = RUSSIAN_CHARSET; | |
138 | break; | |
139 | ||
140 | case wxFONTENCODING_CP1253: | |
141 | info->charset = GREEK_CHARSET; | |
142 | break; | |
143 | ||
144 | case wxFONTENCODING_CP1254: | |
145 | info->charset = TURKISH_CHARSET; | |
146 | break; | |
147 | ||
148 | case wxFONTENCODING_CP1255: | |
149 | info->charset = HEBREW_CHARSET; | |
150 | break; | |
151 | ||
152 | case wxFONTENCODING_CP1256: | |
153 | info->charset = ARABIC_CHARSET; | |
154 | break; | |
155 | ||
156 | case wxFONTENCODING_CP1257: | |
157 | info->charset = BALTIC_CHARSET; | |
158 | break; | |
159 | ||
160 | case wxFONTENCODING_CP874: | |
161 | info->charset = THAI_CHARSET; | |
162 | break; | |
163 | ||
164 | case wxFONTENCODING_CP437: | |
165 | info->charset = OEM_CHARSET; | |
166 | break; | |
167 | */ | |
168 | default: | |
169 | // no way to translate this encoding into a Windows charset | |
170 | return FALSE; | |
171 | } | |
172 | ||
173 | return TRUE; | |
174 | } | |
175 | ||
176 | bool wxTestFontEncoding(const wxNativeEncodingInfo& info) | |
177 | { | |
178 | // TODO: | |
179 | /* | |
180 | // try to create such font | |
181 | LOGFONT lf; | |
182 | wxZeroMemory(lf); // all default values | |
183 | ||
184 | lf.lfCharSet = info.charset; | |
185 | strncpy(lf.lfFaceName, info.facename, sizeof(lf.lfFaceName)); | |
186 | ||
187 | HFONT hfont = ::CreateFontIndirect(&lf); | |
188 | if ( !hfont ) | |
189 | { | |
190 | // no such font | |
191 | return FALSE; | |
192 | } | |
193 | ||
194 | ::DeleteObject((HGDIOBJ)hfont); | |
195 | */ | |
196 | return TRUE; | |
197 | } | |
198 | ||
199 | // ---------------------------------------------------------------------------- | |
200 | // wxFont <-> LOGFONT conversion | |
201 | // ---------------------------------------------------------------------------- | |
202 | ||
203 | #if 0 | |
204 | void wxFillLogFont(LOGFONT *logFont, const wxFont *font) | |
205 | { | |
206 | int ff_family; | |
207 | wxString ff_face; | |
208 | ||
209 | switch ( font->GetFamily() ) | |
210 | { | |
211 | case wxSCRIPT: | |
212 | ff_family = FF_SCRIPT; | |
213 | ff_face = _T("Script"); | |
214 | break; | |
215 | ||
216 | case wxDECORATIVE: | |
217 | ff_family = FF_DECORATIVE; | |
218 | break; | |
219 | ||
220 | case wxROMAN: | |
221 | ff_family = FF_ROMAN; | |
222 | ff_face = _T("Times New Roman"); | |
223 | break; | |
224 | ||
225 | case wxTELETYPE: | |
226 | case wxMODERN: | |
227 | ff_family = FF_MODERN; | |
228 | ff_face = _T("Courier New"); | |
229 | break; | |
230 | ||
231 | case wxSWISS: | |
232 | ff_family = FF_SWISS; | |
233 | ff_face = _T("Arial"); | |
234 | break; | |
235 | ||
236 | case wxDEFAULT: | |
237 | default: | |
238 | ff_family = FF_SWISS; | |
239 | ff_face = _T("MS Sans Serif"); | |
240 | } | |
241 | ||
242 | BYTE ff_italic; | |
243 | switch ( font->GetStyle() ) | |
244 | { | |
245 | case wxITALIC: | |
246 | case wxSLANT: | |
247 | ff_italic = 1; | |
248 | break; | |
249 | ||
250 | default: | |
251 | wxFAIL_MSG(wxT("unknown font slant")); | |
252 | // fall through | |
253 | ||
254 | case wxNORMAL: | |
255 | ff_italic = 0; | |
256 | } | |
257 | ||
258 | int ff_weight; | |
259 | switch ( font->GetWeight() ) | |
260 | { | |
261 | default: | |
262 | wxFAIL_MSG(_T("unknown font weight")); | |
263 | // fall through | |
264 | ||
265 | case wxNORMAL: | |
266 | ff_weight = FW_NORMAL; | |
267 | break; | |
268 | ||
269 | case wxLIGHT: | |
270 | ff_weight = FW_LIGHT; | |
271 | break; | |
272 | ||
273 | case wxBOLD: | |
274 | ff_weight = FW_BOLD; | |
275 | break; | |
276 | } | |
277 | ||
278 | #if 0 | |
279 | HDC dc = ::GetDC(NULL); | |
280 | int ppInch = ::GetDeviceCaps(dc, LOGPIXELSY); | |
281 | ::ReleaseDC(NULL, dc); | |
282 | #else | |
283 | // New behaviour: apparently ppInch varies according to Large/Small Fonts | |
284 | // setting in Windows. This messes up fonts. So, set ppInch to a constant | |
285 | // 96 dpi. | |
286 | static const int ppInch = 96; | |
287 | #endif // 0/1 | |
288 | ||
289 | #if wxFONT_SIZE_COMPATIBILITY | |
290 | // Incorrect, but compatible with old wxWindows behaviour | |
291 | int nHeight = (font->GetPointSize()*ppInch/72); | |
292 | #else | |
293 | // Correct for Windows compatibility | |
294 | int nHeight = - (font->GetPointSize()*ppInch/72); | |
295 | #endif | |
296 | ||
297 | wxString facename = font->GetFaceName(); | |
298 | if ( !!facename ) | |
299 | { | |
300 | ff_face = facename; | |
301 | } | |
302 | //else: ff_face is a reasonable default facename for this font family | |
303 | ||
304 | // deal with encoding now | |
305 | wxNativeEncodingInfo info; | |
306 | wxFontEncoding encoding = font->GetEncoding(); | |
307 | if ( !wxGetNativeFontEncoding(encoding, &info) ) | |
308 | { | |
309 | if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) ) | |
310 | { | |
311 | // unsupported encoding, replace with the default | |
312 | info.charset = ANSI_CHARSET; | |
313 | } | |
314 | } | |
315 | ||
316 | if ( !info.facename.IsEmpty() ) | |
317 | { | |
318 | // the facename determined by the encoding overrides everything else | |
319 | ff_face = info.facename; | |
320 | } | |
321 | ||
322 | // transfer all the data to LOGFONT | |
323 | logFont->lfHeight = nHeight; | |
324 | logFont->lfWidth = 0; | |
325 | logFont->lfEscapement = 0; | |
326 | logFont->lfOrientation = 0; | |
327 | logFont->lfWeight = ff_weight; | |
328 | logFont->lfItalic = ff_italic; | |
329 | logFont->lfUnderline = (BYTE)font->GetUnderlined(); | |
330 | logFont->lfStrikeOut = 0; | |
331 | logFont->lfCharSet = info.charset; | |
332 | logFont->lfOutPrecision = OUT_DEFAULT_PRECIS; | |
333 | logFont->lfClipPrecision = CLIP_DEFAULT_PRECIS; | |
334 | logFont->lfQuality = PROOF_QUALITY; | |
335 | logFont->lfPitchAndFamily = DEFAULT_PITCH | ff_family; | |
336 | wxStrncpy(logFont->lfFaceName, ff_face, WXSIZEOF(logFont->lfFaceName)); | |
337 | } | |
338 | ||
339 | wxFont wxCreateFontFromLogFont(const LOGFONT *logFont) | |
340 | { | |
7e99520b DW |
341 | DEBUG_PRINTF(wxCreateFontFromLogFont) |
342 | ||
d8cde57b DW |
343 | // extract family from pitch-and-family |
344 | int lfFamily = logFont->lfPitchAndFamily; | |
345 | if ( lfFamily & FIXED_PITCH ) | |
346 | lfFamily -= FIXED_PITCH; | |
347 | if ( lfFamily & VARIABLE_PITCH ) | |
348 | lfFamily -= VARIABLE_PITCH; | |
349 | ||
350 | int fontFamily; | |
351 | switch ( lfFamily ) | |
352 | { | |
353 | case FF_ROMAN: | |
354 | fontFamily = wxROMAN; | |
355 | break; | |
356 | ||
357 | case FF_SWISS: | |
358 | fontFamily = wxSWISS; | |
359 | break; | |
360 | ||
361 | case FF_SCRIPT: | |
362 | fontFamily = wxSCRIPT; | |
363 | break; | |
364 | ||
365 | case FF_MODERN: | |
366 | fontFamily = wxMODERN; | |
367 | break; | |
368 | ||
369 | case FF_DECORATIVE: | |
370 | fontFamily = wxDECORATIVE; | |
371 | break; | |
372 | ||
373 | default: | |
374 | fontFamily = wxSWISS; | |
375 | } | |
376 | ||
377 | // weight and style | |
378 | int fontWeight = wxNORMAL; | |
379 | switch ( logFont->lfWeight ) | |
380 | { | |
381 | case FW_LIGHT: | |
382 | fontWeight = wxLIGHT; | |
383 | break; | |
384 | ||
385 | default: | |
386 | case FW_NORMAL: | |
387 | fontWeight = wxNORMAL; | |
388 | break; | |
389 | ||
390 | case FW_BOLD: | |
391 | fontWeight = wxBOLD; | |
392 | break; | |
393 | } | |
394 | ||
395 | int fontStyle = logFont->lfItalic ? wxITALIC : wxNORMAL; | |
396 | ||
397 | bool fontUnderline = logFont->lfUnderline != 0; | |
398 | ||
399 | wxString fontFace = logFont->lfFaceName; | |
400 | ||
401 | // font size | |
402 | HDC dc = ::GetDC(NULL); | |
403 | ||
404 | // remember that 1pt = 1/72inch | |
405 | int height = abs(logFont->lfHeight); | |
406 | int fontPoints = (72*height)/GetDeviceCaps(dc, LOGPIXELSY); | |
407 | ||
408 | ::ReleaseDC(NULL, dc); | |
409 | ||
410 | wxFontEncoding fontEncoding; | |
411 | switch ( logFont->lfCharSet ) | |
412 | { | |
413 | default: | |
414 | wxFAIL_MSG(wxT("unsupported charset")); | |
415 | // fall through | |
416 | ||
417 | case ANSI_CHARSET: | |
418 | fontEncoding = wxFONTENCODING_CP1252; | |
419 | break; | |
420 | ||
421 | #ifdef __WIN32__ | |
422 | case EASTEUROPE_CHARSET: | |
423 | fontEncoding = wxFONTENCODING_CP1250; | |
424 | break; | |
425 | ||
426 | case BALTIC_CHARSET: | |
427 | fontEncoding = wxFONTENCODING_CP1257; | |
428 | break; | |
429 | ||
430 | case RUSSIAN_CHARSET: | |
431 | fontEncoding = wxFONTENCODING_CP1251; | |
432 | break; | |
433 | ||
434 | case ARABIC_CHARSET: | |
435 | fontEncoding = wxFONTENCODING_CP1256; | |
436 | break; | |
437 | ||
438 | case GREEK_CHARSET: | |
439 | fontEncoding = wxFONTENCODING_CP1253; | |
440 | break; | |
441 | ||
442 | case HEBREW_CHARSET: | |
443 | fontEncoding = wxFONTENCODING_CP1255; | |
444 | break; | |
445 | ||
446 | case TURKISH_CHARSET: | |
447 | fontEncoding = wxFONTENCODING_CP1254; | |
448 | break; | |
449 | ||
450 | case THAI_CHARSET: | |
451 | fontEncoding = wxFONTENCODING_CP437; | |
452 | break; | |
453 | #endif | |
454 | ||
455 | case OEM_CHARSET: | |
456 | fontEncoding = wxFONTENCODING_CP437; | |
457 | break; | |
458 | } | |
459 | ||
460 | return wxFont(fontPoints, fontFamily, fontStyle, | |
461 | fontWeight, fontUnderline, fontFace, | |
462 | fontEncoding); | |
463 | } | |
464 | #endif // 0 | |
465 |