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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///////////////////////////////////////////////////////////////////////////////
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11#define DEBUG_PRINTF(NAME) { static int raz=0; \
12 printf( #NAME " %i\n",raz); fflush(stdout); \
13 raz++; \
14 }
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15
16// ============================================================================
17// declarations
18// ============================================================================
19
20// ----------------------------------------------------------------------------
21// headers
22// ----------------------------------------------------------------------------
23
a4372af6
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24#ifdef __GNUG__
25 #pragma implementation "fontutil.h"
26#endif
27
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28// For compilers that support precompilation, includes "wx.h".
29#include "wx/wxprec.h"
30
31#ifndef WX_PRECOMP
3417f661 32 #include "wx/app.h"
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33 #include "wx/string.h"
34 #include "wx/log.h"
35 #include "wx/intl.h"
36#endif //WX_PRECOMP
37
38#include "wx/os2/private.h"
39
40#include "wx/fontutil.h"
41#include "wx/fontmap.h"
42
43#include "wx/tokenzr.h"
44
45// ============================================================================
46// implementation
47// ============================================================================
48
49// ----------------------------------------------------------------------------
50// wxNativeEncodingInfo
51// ----------------------------------------------------------------------------
52
53// convert to/from the string representation: format is
1e1d0be1 54// encodingid;facename[;charset]
d8cde57b 55
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56bool wxNativeEncodingInfo::FromString(
57 const wxString& rsStr
58)
d8cde57b 59{
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60 wxStringTokenizer vTokenizer(rsStr, _T(";"));
61 wxString sEncid = vTokenizer.GetNextToken();
62 long lEnc;
d8cde57b 63
e99762c0 64 if (!sEncid.ToLong(&lEnc))
1e1d0be1 65 return FALSE;
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66 encoding = (wxFontEncoding)lEnc;
67 facename = vTokenizer.GetNextToken();
68 if (!facename)
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69 return FALSE;
70
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71 wxString sTmp = vTokenizer.GetNextToken();
72
73 if (!sTmp)
d8cde57b 74 {
e99762c0 75 charset = 850;
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76 }
77 else
78 {
e99762c0 79 if ( wxSscanf(sTmp, _T("%u"), &charset) != 1 )
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80 {
81 // should be a number!
82 return FALSE;
83 }
84 }
d8cde57b 85 return TRUE;
e99762c0 86} // end of wxNativeEncodingInfo::FromString
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87
88wxString wxNativeEncodingInfo::ToString() const
89{
e99762c0 90 wxString sStr;
7e99520b 91
e99762c0 92 sStr << (long)encoding << _T(';') << facename;
1e1d0be1 93
e99762c0 94 if (charset != 850)
d8cde57b 95 {
e99762c0 96 sStr << _T(';') << charset;
d8cde57b 97 }
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98 return sStr;
99} // end of wxNativeEncodingInfo::ToString
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100
101// ----------------------------------------------------------------------------
102// helper functions
103// ----------------------------------------------------------------------------
104
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105bool wxGetNativeFontEncoding(
106 wxFontEncoding vEncoding
107, wxNativeEncodingInfo* pInfo
108)
d8cde57b 109{
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110 wxCHECK_MSG(pInfo, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
111 if (vEncoding == wxFONTENCODING_DEFAULT)
d8cde57b 112 {
e99762c0 113 vEncoding = wxFont::GetDefaultEncoding();
d8cde57b 114 }
e99762c0 115 switch (vEncoding)
d8cde57b 116 {
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117 case wxFONTENCODING_ISO8859_1:
118 case wxFONTENCODING_ISO8859_15:
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119 case wxFONTENCODING_CP1250:
120 pInfo->charset = 1250;
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121 break;
122
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123 case wxFONTENCODING_ISO8859_2:
124 case wxFONTENCODING_CP1252:
125 pInfo->charset = 1252;
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126 break;
127
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128 case wxFONTENCODING_ISO8859_4:
129 case wxFONTENCODING_ISO8859_10:
130 pInfo->charset = 921; // what is baltic?
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131 break;
132
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133 case wxFONTENCODING_ISO8859_5:
134 case wxFONTENCODING_CP1251:
135 pInfo->charset = 1251;
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136 break;
137
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138 case wxFONTENCODING_ISO8859_6:
139 pInfo->charset = 864;
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140 break;
141
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142 case wxFONTENCODING_ISO8859_7:
143 pInfo->charset = 869;
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144 break;
145
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146 case wxFONTENCODING_ISO8859_8:
147 pInfo->charset = 862;
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148 break;
149
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150 case wxFONTENCODING_ISO8859_9:
151 pInfo->charset = 857;
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152 break;
153
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154 case wxFONTENCODING_ISO8859_11:
155 pInfo->charset = 874; // what is thai
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156 break;
157
158 case wxFONTENCODING_CP437:
e99762c0 159 pInfo->charset = 437;
d8cde57b 160 break;
e99762c0 161
d8cde57b 162 default:
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163 wxFAIL_MSG(wxT("unsupported encoding"));
164 // fall through
d8cde57b 165
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166 case wxFONTENCODING_SYSTEM:
167 pInfo->charset = 850;
168 break;
169 }
d8cde57b 170 return TRUE;
e99762c0 171} // end of wxGetNativeFontEncoding
d8cde57b 172
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173wxFontEncoding wxGetFontEncFromCharSet(
174 int nCharSet
175)
176{
177 wxFontEncoding eFontEncoding;
178
179 switch (nCharSet)
180 {
181 default:
182 case 1250:
183 eFontEncoding = wxFONTENCODING_CP1250;
184 break;
185
186 case 1252:
187 eFontEncoding = wxFONTENCODING_CP1252;
188 break;
189
190 case 921:
191 eFontEncoding = wxFONTENCODING_ISO8859_4;
192 break;
193
194 case 1251:
195 eFontEncoding = wxFONTENCODING_CP1251;
196 break;
197
198 case 864:
199 eFontEncoding = wxFONTENCODING_ISO8859_6;
200 break;
201
202 case 869:
203 eFontEncoding = wxFONTENCODING_ISO8859_7;
204 break;
205
206 case 862:
207 eFontEncoding = wxFONTENCODING_ISO8859_8;
208 break;
209
210 case 857:
211 eFontEncoding = wxFONTENCODING_ISO8859_9;
212 break;
213
214 case 874:
215 eFontEncoding = wxFONTENCODING_ISO8859_11;
216 break;
217
218 case 437:
219 eFontEncoding = wxFONTENCODING_CP437;
220 break;
221 }
222 return eFontEncoding;
223} // end of wxGetNativeFontEncoding
224
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225bool wxTestFontEncoding(
226 const wxNativeEncodingInfo& rInfo
227)
d8cde57b 228{
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229 FATTRS vLogFont;
230 HPS hPS;
231
232 hPS = ::WinGetPS(HWND_DESKTOP);
233
234 memset(&vLogFont, '\0', sizeof(FATTRS)); // all default values
235 vLogFont.usRecordLength = sizeof(FATTRS);
236 vLogFont.usCodePage = rInfo.charset;
237 vLogFont.lMaxBaselineExt = 0L; // Outline fonts should use 0
238 vLogFont.lAveCharWidth = 0L; // Outline fonts should use 0
239 vLogFont.fsFontUse = FATTR_FONTUSE_OUTLINE | // only outline fonts allowed
240 FATTR_FONTUSE_TRANSFORMABLE; // may be transformed
241
242 strncpy(vLogFont.szFacename, rInfo.facename.c_str(), sizeof(vLogFont.szFacename));
243
244 if (!::GpiCreateLogFont( hPS
245 ,NULL
246 ,1L
247 ,&vLogFont
248 ))
d8cde57b 249 {
e99762c0 250 ::WinReleasePS(hPS);
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251 return FALSE;
252 }
e99762c0 253 ::WinReleasePS(hPS);
d8cde57b 254 return TRUE;
e99762c0 255} // end of wxTestFontEncoding
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256
257// ----------------------------------------------------------------------------
258// wxFont <-> LOGFONT conversion
259// ----------------------------------------------------------------------------
260
e99762c0 261void wxFillLogFont(
cc95f4f9 262 LOGFONT* pFattrs // OS2 GPI FATTRS
e99762c0 263, PFACENAMEDESC pFaceName
54ffa107 264, HPS* phPS
828621c2 265, bool* pbInternalPS
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266, long* pflId
267, wxString& sFaceName
268, wxFont* pFont
e99762c0 269)
d8cde57b 270{
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271 LONG lNumFonts = 0L; // For system font count
272 ERRORID vError; // For logging API errors
54ffa107 273 LONG lTemp = 0L;
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274 bool bInternalPS = FALSE; // if we have to create one
275 PFONTMETRICS pFM = NULL;
276
277 //
278 // Initial house cleaning to free data buffers and ensure we have a
279 // functional PS to work with
280 //
54ffa107 281 if (!*phPS)
cc95f4f9 282 {
54ffa107 283 *phPS = ::WinGetPS(HWND_DESKTOP);
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284 bInternalPS = TRUE;
285 }
286
287 //
288 // Determine the number of fonts.
289 //
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290 if((lNumFonts = ::GpiQueryFonts( *phPS
291 ,QF_PUBLIC
292 ,NULL
293 ,&lTemp
294 ,(LONG) sizeof(FONTMETRICS)
295 ,NULL
296 )) < 0L)
297 {
298 ERRORID vError;
299 wxString sError;
300
301 vError = ::WinGetLastError(wxGetInstance());
302 sError = wxPMErrorToStr(vError);
303 return;
304 }
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305
306 //
307 // Allocate space for the font metrics.
308 //
309 pFM = new FONTMETRICS[lNumFonts + 1];
e99762c0 310
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311 //
312 // Retrieve the font metrics.
313 //
314 lTemp = lNumFonts;
54ffa107 315 lTemp = ::GpiQueryFonts( *phPS
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316 ,QF_PUBLIC
317 ,NULL
318 ,&lTemp
319 ,(LONG) sizeof(FONTMETRICS)
320 ,pFM
321 );
322 pFont->SetFM( pFM
323 ,(int)lNumFonts
324 );
325
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326 //
327 // Initialize FATTR and FACENAMEDESC
328 //
329 pFattrs->usRecordLength = sizeof(FATTRS);
330 pFattrs->fsFontUse = FATTR_FONTUSE_OUTLINE | // only outline fonts allowed
47df2b8c 331 FATTR_FONTUSE_TRANSFORMABLE; // may be transformed
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332 pFattrs->fsType = 0;
333 pFattrs->lMaxBaselineExt = pFattrs->lAveCharWidth = 0;
334 pFattrs->idRegistry = 0;
335 pFattrs->lMatch = 0;
336
337 pFaceName->usSize = sizeof(FACENAMEDESC);
338 pFaceName->usWidthClass = FWIDTH_NORMAL;
339 pFaceName->usReserved = 0;
e99762c0 340 pFaceName->flOptions = 0;
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341
342 //
343 // This does the actual selection of fonts
344 //
345 wxOS2SelectMatchingFontByName( pFattrs
346 ,pFaceName
347 ,pFM
348 ,(int)lNumFonts
349 ,pFont
350 );
351 //
352 // We should now have the correct FATTRS set with the selected
353 // font, so now we need to generate an ID
354 //
54ffa107 355 long lNumLids = ::GpiQueryNumberSetIds(*phPS);
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356 long lGpiError;
357
358 if(lNumLids )
359 {
360 long alTypes[255];
361 STR8 azNames[255];
362 long alIds[255];
363
d697657f 364 memset(alIds, 0, sizeof(long) * 255);
54ffa107 365 if(!::GpiQuerySetIds( *phPS
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366 ,lNumLids
367 ,alTypes
368 ,azNames
369 ,alIds
370 ))
371 {
372 if (bInternalPS)
54ffa107 373 ::WinReleasePS(*phPS);
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374 return;
375 }
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376 if (*pflId == 0L)
377 *pflId = 1L;
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378 for(unsigned long LCNum = 0; LCNum < lNumLids; LCNum++)
379 if(alIds[LCNum] == *pflId)
380 ++*pflId;
381 if(*pflId > 254) // wow, no id available!
382 {
383 if (bInternalPS)
54ffa107 384 ::WinReleasePS(*phPS);
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385 return;
386 }
387 }
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388 else
389 *pflId = 1L;
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390 //
391 // Release and delete the current font
392 //
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393 ::GpiSetCharSet(*phPS, LCID_DEFAULT);/* release the font before deleting */
394 ::GpiDeleteSetId(*phPS, 1L); /* delete the logical font */
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395
396 //
397 // Now build a facestring
398 //
399 char zFacename[128];
400
401 strcpy(zFacename, pFattrs->szFacename);
402
54ffa107 403 if(::GpiQueryFaceString( *phPS
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404 ,zFacename
405 ,pFaceName
406 ,FACESIZE
407 ,pFattrs->szFacename
408 ) == GPI_ERROR)
409 {
410 vError = ::WinGetLastError(vHabmain);
411 }
412 sFaceName = zFacename;
828621c2 413 *pbInternalPS = bInternalPS;
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414
415 //
416 // That's it, we now have everything we need to actually create the font
417 //
418} // end of wxFillLogFont
419
420void wxOS2SelectMatchingFontByName(
421 PFATTRS pFattrs
422, PFACENAMEDESC pFaceName
423, PFONTMETRICS pFM
424, int nNumFonts
425, const wxFont* pFont
426)
427{
428 int i;
429 int nDiff0;
430 int nPointSize;
431 int nDiff;
432 int nIs;
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433 int nMinDiff;
434 int nMinDiff0;
435 int nApirc;
436 int anDiff[16];
437 int anMinDiff[16];
e1146627 438 int nIndex = 0;
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439 STR8 zFn;
440 char zFontFaceName[FACESIZE];
441 wxString sFaceName;
442 USHORT usWeightClass;
443 int fsSelection = 0;
444
445 nMinDiff0 = 0xf000;
446 for(i = 0;i < 16; i++)
447 anMinDiff[i] = nMinDiff0;
448
e99762c0 449 switch (pFont->GetFamily())
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450 {
451 case wxSCRIPT:
cc95f4f9 452 sFaceName = wxT("Script");
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453 break;
454
455 case wxDECORATIVE:
d8cde57b 456 case wxROMAN:
e3bfcacf 457 sFaceName = wxT("Tms Rmn");
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458 break;
459
460 case wxTELETYPE:
cc95f4f9 461 sFaceName = wxT("Courier") ;
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462 break;
463
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464 case wxMODERN:
465 sFaceName = wxT("System VIO") ;
466 break;
467
d8cde57b 468 case wxSWISS:
e3bfcacf 469 sFaceName = wxT("Helv") ;
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470 break;
471
472 case wxDEFAULT:
473 default:
e3bfcacf 474 sFaceName = wxT("System VIO") ;
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475 }
476
e99762c0 477 switch (pFont->GetWeight())
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478 {
479 default:
480 wxFAIL_MSG(_T("unknown font weight"));
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481 // fall through
482 usWeightClass = FWEIGHT_DONT_CARE;
e99762c0 483 break;
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484
485 case wxNORMAL:
cc95f4f9 486 usWeightClass = FWEIGHT_NORMAL;
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487 break;
488
489 case wxLIGHT:
cc95f4f9 490 usWeightClass = FWEIGHT_LIGHT;
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491 break;
492
493 case wxBOLD:
cc95f4f9 494 usWeightClass = FWEIGHT_BOLD;
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495 break;
496
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497 case wxFONTWEIGHT_MAX:
498 usWeightClass = FWEIGHT_ULTRA_BOLD;
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499 break;
500 }
cc95f4f9 501 pFaceName->usWeightClass = usWeightClass;
d8cde57b 502
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503 switch (pFont->GetStyle())
504 {
505 case wxITALIC:
506 case wxSLANT:
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507 fsSelection = FM_SEL_ITALIC;
508 pFaceName->flOptions = FTYPE_ITALIC;
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509 break;
510
511 default:
512 wxFAIL_MSG(wxT("unknown font slant"));
513 // fall through
d8cde57b 514
e99762c0 515 case wxNORMAL:
cc95f4f9 516 fsSelection = 0;
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517 break;
518 }
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519
520 wxStrncpy(zFontFaceName, sFaceName.c_str(), WXSIZEOF(zFontFaceName));
521 nPointSize = pFont->GetPointSize();
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522
523 //
cc95f4f9 524 // Matching logic to find the right FM struct
e99762c0 525 //
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526 nIndex = 0;
527 for(i = 0, nIs = 0; i < nNumFonts; i++)
d8cde57b 528 {
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529 int nEmHeight = 0;
530 int nXHeight = 0;
531
532 anDiff[0] = wxGpiStrcmp(pFM[i].szFamilyname, zFontFaceName);
533 anDiff[1] = abs(pFM[i].lEmHeight - nPointSize);
534 anDiff[2] = abs(pFM[i].usWeightClass - usWeightClass);
535 anDiff[3] = abs((pFM[i].fsSelection & 0x2f) - fsSelection);
536 if(anDiff[0] == 0)
537 {
538 nEmHeight = (int)pFM[i].lEmHeight;
539 nXHeight =(int)pFM[i].lXHeight;
540 if( (nIs & 0x01) == 0)
541 {
542 nIs = 1;
543 nIndex = i;
544 anMinDiff[1] = anDiff[1];
545 anMinDiff[2] = anDiff[2];
546 anMinDiff[3] = anDiff[3];
547 }
548 else if(anDiff[3] < anMinDiff[3])
549 {
550 nIndex = i;
551 anMinDiff[3] = anDiff[3];
552 }
553 else if(anDiff[2] < anMinDiff[2])
554 {
555 nIndex = i;
556 anMinDiff[2] = anDiff[2];
557 }
558 else if(anDiff[1] < anMinDiff[1])
559 {
560 nIndex = i;
561 anMinDiff[1] = anDiff[1];
562 }
563 anMinDiff[0] = 0;
564 }
565 else if(anDiff[0] < anMinDiff[0])
566 {
567 nIs = 2;
568 nIndex = i;
569 anMinDiff[3] = anDiff[3];
570 anMinDiff[2] = anDiff[2];
571 anMinDiff[1] = anDiff[1];
572 anMinDiff[0] = anDiff[0];
573 }
574 else if(anDiff[0] == anMinDiff[0])
575 {
576 if(anDiff[3] < anMinDiff[3])
577 {
578 nIndex = i;
579 anMinDiff[3] = anDiff[3];
580 nIs = 2;
581 }
582 else if(anDiff[2] < anMinDiff[2])
583 {
584 nIndex = i;
585 anMinDiff[2] = anDiff[2];
586 nIs = 2;
587 }
588 else if(anDiff[1] < anMinDiff[1])
589 {
590 nIndex = i;
591 anMinDiff[1] = anDiff[1];
592 nIs = 2;
593 }
594 }
d8cde57b 595 }
d8cde57b 596
e99762c0 597 //
cc95f4f9 598 // Fill in the FATTRS with the best match from FONTMETRICS
e99762c0 599 //
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600 pFattrs->usRecordLength = sizeof(FATTRS); // sets size of structure
601 pFattrs->fsSelection = pFM[nIndex].fsSelection; // uses default selection
602 pFattrs->lMatch = pFM[nIndex].lMatch; // force match
603 pFattrs->idRegistry = pFM[nIndex].idRegistry; // uses default registry
604 pFattrs->usCodePage = pFM[nIndex].usCodePage; // code-page
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605 pFattrs->lMaxBaselineExt = 0; // OUTLINE fonts need this set to 0 as they use other attributes to match
606 pFattrs->lAveCharWidth = 0; // OUTLINE fonts need this set to 0 as they use other attributes to match
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607 pFattrs->fsType = 0;// pfm->fsType; /* uses default type */
608 pFattrs->fsFontUse = 0;
d8cde57b 609
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610 wxStrcpy(pFattrs->szFacename, pFM[nIndex].szFacename);
611 // Debug
612 strcpy(zFontFaceName, pFM[nIndex].szFacename);
613 strcpy(zFontFaceName, pFattrs->szFacename);
614
615 if(usWeightClass >= FWEIGHT_BOLD)
616 pFattrs->fsSelection |= FATTR_SEL_BOLD;
617 if(pFont->GetUnderlined())
618 pFattrs->fsSelection |= FATTR_SEL_UNDERSCORE;
619 if(fsSelection & FM_SEL_ITALIC)
620 pFattrs->fsSelection |= FATTR_SEL_ITALIC;
621} // end of wxOS2SelectMatchingFontByName
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622
623wxFont wxCreateFontFromLogFont(
624 const LOGFONT* pLogFont
625, const PFONTMETRICS pFM
626, PFACENAMEDESC pFaceName
627)
d8cde57b 628{
47df2b8c 629 wxNativeFontInfo vInfo;
d8cde57b 630
47df2b8c
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631 vInfo.fa = *pLogFont;
632 vInfo.fm = *pFM;
633 vInfo.fn = *pFaceName;
634 return wxFont(vInfo);
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635} // end of wxCreateFontFromLogFont
636
637int wxGpiStrcmp(
638 char* s0
639, char* s1
640)
641{ int l0;
642 int l1;
643 int l;
644 int d;
645 int d1;
646 int i;
647 int rc;
648
649 rc = 0;
650 if(s0 == NULL)
651 {
652 if(s1 == NULL)
653 return 0;
654 else
655 return 32;
656 }
657 else if(s1 == NULL)
658 return 32;
659
660 l0 = strlen(s0);
661 l1 = strlen(s1);
662 l = l0;
663 if(l0 != l1)
664 {
665 rc++;
666 if(l1 < l0)
667 l = l1;
668 }
669 for(i=0;i<l;i++)
670 {
671 d = s0[i]-s1[i];
672 if(!d)
673 continue;
674 d1 = toupper(s0[i]) - toupper(s1[i]);
675 if(!d1)
676 continue;
677 rc += abs(d);
678 }
679 return rc;
d8cde57b 680}
d8cde57b 681