Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "gcach_ftyp.hxx"
21 :
22 : #include "vcl/svapp.hxx"
23 : #include <outfont.hxx>
24 : #include <impfont.hxx>
25 : #include <config_features.h>
26 : #include <config_graphite.h>
27 : #if ENABLE_GRAPHITE
28 : # include <graphite_static.hxx>
29 : # include <graphite2/Font.h>
30 : # include <graphite_layout.hxx>
31 : #endif
32 : #include <unotools/fontdefs.hxx>
33 :
34 : #include "tools/poly.hxx"
35 : #include "basegfx/matrix/b2dhommatrix.hxx"
36 : #include "basegfx/matrix/b2dhommatrixtools.hxx"
37 : #include "basegfx/polygon/b2dpolypolygon.hxx"
38 :
39 : #include "osl/file.hxx"
40 : #include "osl/thread.hxx"
41 :
42 : #include "langboost.hxx"
43 : #include "PhysicalFontCollection.hxx"
44 : #include "sft.hxx"
45 :
46 : #include <ft2build.h>
47 : #include FT_FREETYPE_H
48 : #include FT_GLYPH_H
49 : #include FT_OUTLINE_H
50 : #include FT_SIZES_H
51 : #include FT_SYNTHESIS_H
52 : #include FT_TRUETYPE_TABLES_H
53 : #include FT_TRUETYPE_TAGS_H
54 : #include FT_TRUETYPE_IDS_H
55 :
56 : #include "rtl/instance.hxx"
57 :
58 : typedef const FT_Vector* FT_Vector_CPtr;
59 :
60 : #include <vector>
61 :
62 : // TODO: move file mapping stuff to OSL
63 : #include <unistd.h>
64 : #include <fcntl.h>
65 : #include <sys/stat.h>
66 : #include <sys/mman.h>
67 : #include "fontmanager.hxx"
68 :
69 : // the gamma table makes artificial bold look better for CJK glyphs
70 : static unsigned char aGammaTable[257];
71 :
72 204 : static void InitGammaTable()
73 : {
74 : static const int M_MAX = 255;
75 : static const int M_X = 128;
76 : static const int M_Y = 208;
77 :
78 : int x, a;
79 52428 : for( x = 0; x < 256; x++)
80 : {
81 52224 : if ( x <= M_X )
82 26316 : a = ( x * M_Y + M_X / 2) / M_X;
83 : else
84 25908 : a = M_Y + ( ( x - M_X ) * ( M_MAX - M_Y ) +
85 25908 : ( M_MAX - M_X ) / 2 ) / ( M_MAX - M_X );
86 :
87 52224 : aGammaTable[x] = (unsigned char)a;
88 : }
89 204 : }
90 :
91 : static FT_Library aLibFT = 0;
92 :
93 : // enable linking with old FT versions
94 : static int nFTVERSION = 0;
95 :
96 : typedef std::unordered_map<const char*, std::shared_ptr<FtFontFile>, rtl::CStringHash, rtl::CStringEqual> FontFileList;
97 :
98 : namespace { struct vclFontFileList : public rtl::Static< FontFileList, vclFontFileList > {}; }
99 :
100 : // TODO: remove when the priorities are selected by UI
101 : // if (AH==0) => disable autohinting
102 : // if (AA==0) => disable antialiasing
103 : // if (EB==0) => disable embedded bitmaps
104 : // if (AA prio <= AH prio) => antialias + autohint
105 : // if (AH<AA) => do not autohint when antialiasing
106 : // if (EB<AH) => do not autohint for monochrome
107 : static int nDefaultPrioEmbedded = 2;
108 : static int nDefaultPrioAutoHint = 1;
109 : static int nDefaultPrioAntiAlias = 1;
110 :
111 : // FreetypeManager
112 :
113 47736 : FtFontFile::FtFontFile( const OString& rNativeFileName )
114 : : maNativeFileName( rNativeFileName ),
115 : mpFileMap( NULL ),
116 : mnFileSize( 0 ),
117 : mnRefCount( 0 ),
118 47736 : mnLangBoost( 0 )
119 : {
120 : // boost font preference if UI language is mentioned in filename
121 47736 : int nPos = maNativeFileName.lastIndexOf( '_' );
122 47736 : if( nPos == -1 || maNativeFileName[nPos+1] == '.' )
123 38352 : mnLangBoost += 0x1000; // no langinfo => good
124 : else
125 : {
126 : static const char* pLangBoost = NULL;
127 : static bool bOnce = true;
128 9384 : if( bOnce )
129 : {
130 204 : bOnce = false;
131 204 : pLangBoost = vcl::getLangBoost();
132 : }
133 :
134 9384 : if( pLangBoost && !strncasecmp( pLangBoost, &maNativeFileName.getStr()[nPos+1], 3 ) )
135 0 : mnLangBoost += 0x2000; // matching langinfo => better
136 : }
137 47736 : }
138 :
139 50995 : FtFontFile* FtFontFile::FindFontFile( const OString& rNativeFileName )
140 : {
141 : // font file already known? (e.g. for ttc, synthetic, aliased fonts)
142 50995 : const char* pFileName = rNativeFileName.getStr();
143 50995 : FontFileList &rFontFileList = vclFontFileList::get();
144 50995 : FontFileList::const_iterator it = rFontFileList.find( pFileName );
145 50995 : if( it != rFontFileList.end() )
146 3259 : return it->second.get();
147 :
148 : // no => create new one
149 47736 : FtFontFile* pFontFile = new FtFontFile( rNativeFileName );
150 47736 : pFileName = pFontFile->maNativeFileName.getStr();
151 47736 : rFontFileList[pFileName].reset(pFontFile);
152 47736 : return pFontFile;
153 : }
154 :
155 903 : bool FtFontFile::Map()
156 : {
157 903 : if( mnRefCount++ <= 0 )
158 : {
159 903 : const char* pFileName = maNativeFileName.getStr();
160 903 : int nFile = open( pFileName, O_RDONLY );
161 903 : if( nFile < 0 )
162 0 : return false;
163 :
164 : struct stat aStat;
165 903 : int nRet = fstat( nFile, &aStat );
166 903 : if (nRet < 0)
167 : {
168 0 : close (nFile);
169 0 : return false;
170 : }
171 903 : mnFileSize = aStat.st_size;
172 : mpFileMap = static_cast<unsigned char*>(
173 903 : mmap( NULL, mnFileSize, PROT_READ, MAP_SHARED, nFile, 0 ));
174 903 : if( mpFileMap == MAP_FAILED )
175 0 : mpFileMap = NULL;
176 903 : close( nFile );
177 : }
178 :
179 903 : return (mpFileMap != NULL);
180 : }
181 :
182 903 : void FtFontFile::Unmap()
183 : {
184 903 : if( (--mnRefCount > 0) || (mpFileMap == NULL) )
185 903 : return;
186 :
187 903 : munmap( mpFileMap, mnFileSize );
188 903 : mpFileMap = NULL;
189 : }
190 :
191 : #if ENABLE_GRAPHITE
192 : // wrap FtFontInfo's table function
193 0 : const void * graphiteFontTable(const void* appFaceHandle, unsigned int name, size_t *len)
194 : {
195 0 : const FtFontInfo * pFontInfo = static_cast<const FtFontInfo*>(appFaceHandle);
196 : typedef union {
197 : char m_c[5];
198 : unsigned int m_id;
199 : } TableId;
200 : TableId tableId;
201 0 : tableId.m_id = name;
202 : #ifndef OSL_BIGENDIAN
203 : TableId swapped;
204 0 : swapped.m_c[3] = tableId.m_c[0];
205 0 : swapped.m_c[2] = tableId.m_c[1];
206 0 : swapped.m_c[1] = tableId.m_c[2];
207 0 : swapped.m_c[0] = tableId.m_c[3];
208 0 : tableId.m_id = swapped.m_id;
209 : #endif
210 0 : tableId.m_c[4] = '\0';
211 0 : sal_uLong nLength = 0;
212 0 : const void * pTable = static_cast<const void*>(pFontInfo->GetTable(tableId.m_c, &nLength));
213 0 : if (len) *len = static_cast<size_t>(nLength);
214 0 : return pTable;
215 : }
216 : #endif
217 :
218 50995 : FtFontInfo::FtFontInfo( const ImplDevFontAttributes& rDevFontAttributes,
219 : const OString& rNativeFileName, int nFaceNum, sal_IntPtr nFontId, int nSynthetic)
220 : :
221 : maFaceFT( NULL ),
222 50995 : mpFontFile( FtFontFile::FindFontFile( rNativeFileName ) ),
223 : mnFaceNum( nFaceNum ),
224 : mnRefCount( 0 ),
225 : mnSynthetic( nSynthetic ),
226 : #if ENABLE_GRAPHITE
227 : mbCheckedGraphite(false),
228 : mpGraphiteFace(NULL),
229 : #endif
230 : mnFontId( nFontId ),
231 : maDevFontAttributes( rDevFontAttributes ),
232 : mpFontCharMap( NULL ),
233 : mpChar2Glyph( NULL ),
234 101990 : mpGlyph2Char( NULL )
235 : {
236 : // prefer font with low ID
237 50995 : maDevFontAttributes.mnQuality += 10000 - nFontId;
238 : // prefer font with matching file names
239 50995 : maDevFontAttributes.mnQuality += mpFontFile->GetLangBoost();
240 50995 : }
241 :
242 101990 : FtFontInfo::~FtFontInfo()
243 : {
244 50995 : if( mpFontCharMap )
245 43 : mpFontCharMap = 0;
246 50995 : delete mpChar2Glyph;
247 50995 : delete mpGlyph2Char;
248 : #if ENABLE_GRAPHITE
249 50995 : delete mpGraphiteFace;
250 : #endif
251 50995 : }
252 :
253 902 : void FtFontInfo::InitHashes() const
254 : {
255 : // TODO: avoid pointers when empty stl::hash_* objects become cheap
256 902 : mpChar2Glyph = new Int2IntMap();
257 902 : mpGlyph2Char = new Int2IntMap();
258 902 : }
259 :
260 5931 : FT_FaceRec_* FtFontInfo::GetFaceFT()
261 : {
262 5931 : if (!maFaceFT && mpFontFile->Map())
263 : {
264 : FT_Error rc = FT_New_Memory_Face( aLibFT,
265 : mpFontFile->GetBuffer(),
266 903 : mpFontFile->GetFileSize(), mnFaceNum, &maFaceFT );
267 903 : if( (rc != FT_Err_Ok) || (maFaceFT->num_glyphs <= 0) )
268 0 : maFaceFT = NULL;
269 : }
270 :
271 5931 : ++mnRefCount;
272 5931 : return maFaceFT;
273 : }
274 :
275 : #if ENABLE_GRAPHITE
276 3301 : GraphiteFaceWrapper * FtFontInfo::GetGraphiteFace()
277 : {
278 3301 : if (mbCheckedGraphite)
279 3234 : return mpGraphiteFace;
280 : // test for graphite here so that it is cached most efficiently
281 67 : if (GetTable("Silf", 0))
282 : {
283 0 : static const char* pGraphiteCacheStr = getenv( "SAL_GRAPHITE_CACHE_SIZE" );
284 0 : int graphiteSegCacheSize = pGraphiteCacheStr ? (atoi(pGraphiteCacheStr)) : 0;
285 : gr_face * pGraphiteFace;
286 0 : if (graphiteSegCacheSize > 500)
287 0 : pGraphiteFace = gr_make_face_with_seg_cache(this, graphiteFontTable, graphiteSegCacheSize, gr_face_cacheCmap);
288 : else
289 0 : pGraphiteFace = gr_make_face(this, graphiteFontTable, gr_face_cacheCmap);
290 0 : if (pGraphiteFace)
291 0 : mpGraphiteFace = new GraphiteFaceWrapper(pGraphiteFace);
292 : }
293 67 : mbCheckedGraphite = true;
294 67 : return mpGraphiteFace;
295 : }
296 : #endif
297 :
298 5931 : void FtFontInfo::ReleaseFaceFT()
299 : {
300 5931 : if (--mnRefCount <= 0)
301 : {
302 903 : FT_Done_Face( maFaceFT );
303 903 : maFaceFT = NULL;
304 903 : mpFontFile->Unmap();
305 : }
306 5931 : }
307 :
308 42119 : static unsigned GetUInt( const unsigned char* p ) { return((p[0]<<24)+(p[1]<<16)+(p[2]<<8)+p[3]);}
309 15273 : static unsigned GetUShort( const unsigned char* p ){ return((p[0]<<8)+p[1]);}
310 : //static signed GetSShort( const unsigned char* p ){ return((short)((p[0]<<8)+p[1]));}
311 :
312 : static const sal_uInt32 T_true = 0x74727565; /* 'true' */
313 : static const sal_uInt32 T_ttcf = 0x74746366; /* 'ttcf' */
314 : static const sal_uInt32 T_otto = 0x4f54544f; /* 'OTTO' */
315 :
316 14232 : const unsigned char* FtFontInfo::GetTable( const char* pTag, sal_uLong* pLength ) const
317 : {
318 14232 : const unsigned char* pBuffer = mpFontFile->GetBuffer();
319 14232 : int nFileSize = mpFontFile->GetFileSize();
320 14232 : if( !pBuffer || nFileSize<1024 )
321 0 : return NULL;
322 :
323 : // we currently handle TTF, TTC and OTF headers
324 14232 : unsigned nFormat = GetUInt( pBuffer );
325 :
326 14232 : const unsigned char* p = pBuffer + 12;
327 14232 : if( nFormat == T_ttcf ) // TTC_MAGIC
328 105 : p += GetUInt( p + 4 * mnFaceNum );
329 14127 : else if( nFormat != 0x00010000 && nFormat != T_true && nFormat != T_otto) // TTF_MAGIC and Apple TTF Magic and PS-OpenType font
330 513 : return NULL;
331 :
332 : // walk table directory until match
333 13719 : int nTables = GetUShort( p - 8 );
334 13719 : if( nTables >= 64 ) // something fishy?
335 0 : return NULL;
336 42238 : for( int i = 0; i < nTables; ++i, p+=16 )
337 : {
338 42066 : if( p[0]==pTag[0] && p[1]==pTag[1] && p[2]==pTag[2] && p[3]==pTag[3] )
339 : {
340 13547 : sal_uLong nLength = GetUInt( p + 12 );
341 13547 : if( pLength != NULL )
342 13547 : *pLength = nLength;
343 13547 : const unsigned char* pTable = pBuffer + GetUInt( p + 8 );
344 13547 : if( (pTable + nLength) <= (mpFontFile->GetBuffer() + nFileSize) )
345 13547 : return pTable;
346 : }
347 : }
348 :
349 172 : return NULL;
350 : }
351 :
352 85540 : void FtFontInfo::AnnounceFont( PhysicalFontCollection* pFontCollection )
353 : {
354 85540 : ImplFTSFontData* pFD = new ImplFTSFontData( this, maDevFontAttributes );
355 85540 : pFontCollection->Add( pFD );
356 85540 : }
357 :
358 204 : FreetypeManager::FreetypeManager()
359 204 : : mnMaxFontId( 0 )
360 : {
361 204 : /*FT_Error rcFT =*/ FT_Init_FreeType( &aLibFT );
362 :
363 204 : FT_Int nMajor = 0, nMinor = 0, nPatch = 0;
364 204 : FT_Library_Version(aLibFT, &nMajor, &nMinor, &nPatch);
365 204 : nFTVERSION = nMajor * 1000 + nMinor * 100 + nPatch;
366 :
367 : // TODO: remove when the priorities are selected by UI
368 : char* pEnv;
369 204 : pEnv = ::getenv( "SAL_EMBEDDED_BITMAP_PRIORITY" );
370 204 : if( pEnv )
371 0 : nDefaultPrioEmbedded = pEnv[0] - '0';
372 204 : pEnv = ::getenv( "SAL_ANTIALIASED_TEXT_PRIORITY" );
373 204 : if( pEnv )
374 0 : nDefaultPrioAntiAlias = pEnv[0] - '0';
375 204 : pEnv = ::getenv( "SAL_AUTOHINTING_PRIORITY" );
376 204 : if( pEnv )
377 0 : nDefaultPrioAutoHint = pEnv[0] - '0';
378 :
379 204 : InitGammaTable();
380 204 : vclFontFileList::get();
381 204 : }
382 :
383 1570560 : FT_Face ServerFont::GetFtFace() const
384 : {
385 1570560 : FT_Activate_Size( maSizeFT );
386 :
387 1570560 : return maFaceFT;
388 : }
389 :
390 408 : FreetypeManager::~FreetypeManager()
391 : {
392 204 : ClearFontList();
393 204 : }
394 :
395 85540 : void FreetypeManager::AddFontFile( const OString& rNormalizedName,
396 : int nFaceNum, sal_IntPtr nFontId, const ImplDevFontAttributes& rDevFontAttr)
397 : {
398 85540 : if( rNormalizedName.isEmpty() )
399 0 : return;
400 :
401 85540 : if( maFontList.find( nFontId ) != maFontList.end() )
402 34545 : return;
403 :
404 : FtFontInfo* pFontInfo = new FtFontInfo( rDevFontAttr,
405 50995 : rNormalizedName, nFaceNum, nFontId, 0);
406 50995 : maFontList[ nFontId ] = pFontInfo;
407 50995 : if( mnMaxFontId < nFontId )
408 204 : mnMaxFontId = nFontId;
409 : }
410 :
411 364 : void FreetypeManager::AnnounceFonts( PhysicalFontCollection* pToAdd ) const
412 : {
413 85904 : for( FontList::const_iterator it = maFontList.begin(); it != maFontList.end(); ++it )
414 : {
415 85540 : FtFontInfo* pFtFontInfo = it->second;
416 85540 : pFtFontInfo->AnnounceFont( pToAdd );
417 : }
418 364 : }
419 :
420 217 : void FreetypeManager::ClearFontList( )
421 : {
422 51212 : for( FontList::iterator it = maFontList.begin(); it != maFontList.end(); ++it )
423 : {
424 50995 : FtFontInfo* pFtFontInfo = it->second;
425 50995 : delete pFtFontInfo;
426 : }
427 217 : maFontList.clear();
428 217 : }
429 :
430 5931 : ServerFont* FreetypeManager::CreateFont( const FontSelectPattern& rFSD )
431 : {
432 5931 : FtFontInfo* pFontInfo = NULL;
433 :
434 : // find a FontInfo matching to the font id
435 5931 : sal_IntPtr nFontId = reinterpret_cast<sal_IntPtr>( rFSD.mpFontData );
436 5931 : FontList::iterator it = maFontList.find( nFontId );
437 5931 : if( it != maFontList.end() )
438 5931 : pFontInfo = it->second;
439 :
440 5931 : if( !pFontInfo )
441 0 : return NULL;
442 :
443 5931 : ServerFont* pNew = new ServerFont( rFSD, pFontInfo );
444 :
445 5931 : return pNew;
446 : }
447 :
448 85540 : ImplFTSFontData::ImplFTSFontData( FtFontInfo* pFI, const ImplDevFontAttributes& rDFA )
449 : : PhysicalFontFace( rDFA, IFTSFONT_MAGIC ),
450 85540 : mpFtFontInfo( pFI )
451 : {
452 85540 : mbDevice = false;
453 85540 : mbOrientation = true;
454 85540 : }
455 :
456 13723 : ImplFontEntry* ImplFTSFontData::CreateFontInstance( FontSelectPattern& rFSD ) const
457 : {
458 13723 : ImplServerFontEntry* pEntry = new ImplServerFontEntry( rFSD );
459 13723 : return pEntry;
460 : }
461 :
462 : // ServerFont
463 :
464 5931 : ServerFont::ServerFont( const FontSelectPattern& rFSD, FtFontInfo* pFI )
465 : : maGlyphList( 0),
466 : maFontSelData(rFSD),
467 : mnRefCount(1),
468 : mnBytesUsed( sizeof(ServerFont) ),
469 : mpPrevGCFont( NULL ),
470 : mpNextGCFont( NULL ),
471 : mnCos( 0x10000),
472 : mnSin( 0 ),
473 : mbCollectedZW( false ),
474 : mnPrioEmbedded(nDefaultPrioEmbedded),
475 : mnPrioAntiAlias(nDefaultPrioAntiAlias),
476 : mnPrioAutoHint(nDefaultPrioAutoHint),
477 : mpFontInfo( pFI ),
478 : mnLoadFlags( 0 ),
479 : maFaceFT( NULL ),
480 : maSizeFT( NULL ),
481 : mbFaceOk( false ),
482 : mbArtItalic( false ),
483 : mbArtBold( false ),
484 : mbUseGamma( false ),
485 5931 : mpLayoutEngine( NULL )
486 : {
487 : // TODO: move update of mpFontEntry into FontEntry class when
488 : // it becomes responsible for the ServerFont instantiation
489 5931 : static_cast<ImplServerFontEntry*>(rFSD.mpFontEntry)->SetServerFont( this );
490 :
491 5931 : maFaceFT = pFI->GetFaceFT();
492 :
493 5931 : if( rFSD.mnOrientation != 0 )
494 : {
495 175 : const double dRad = rFSD.mnOrientation * ( F_2PI / 3600.0 );
496 175 : mnCos = static_cast<long>( 0x10000 * cos( dRad ) + 0.5 );
497 175 : mnSin = static_cast<long>( 0x10000 * sin( dRad ) + 0.5 );
498 : }
499 :
500 : // set the pixel size of the font instance
501 5931 : mnWidth = rFSD.mnWidth;
502 5931 : if( !mnWidth )
503 5395 : mnWidth = rFSD.mnHeight;
504 5931 : mfStretch = (double)mnWidth / rFSD.mnHeight;
505 : // sanity check (e.g. #i66394#, #i66244#, #66537#)
506 5931 : if( (mnWidth < 0) || (mfStretch > +64.0) || (mfStretch < -64.0) )
507 0 : return;
508 :
509 5931 : if( !maFaceFT )
510 0 : return;
511 :
512 5931 : FT_New_Size( maFaceFT, &maSizeFT );
513 5931 : FT_Activate_Size( maSizeFT );
514 5931 : FT_Error rc = FT_Set_Pixel_Sizes( maFaceFT, mnWidth, rFSD.mnHeight );
515 5931 : if( rc != FT_Err_Ok )
516 0 : return;
517 :
518 5931 : FT_Select_Charmap(maFaceFT, FT_ENCODING_UNICODE);
519 :
520 5931 : if( mpFontInfo->IsSymbolFont() )
521 : {
522 20 : FT_Encoding eEncoding = FT_ENCODING_MS_SYMBOL;
523 20 : if (!FT_IS_SFNT(maFaceFT))
524 20 : eEncoding = FT_ENCODING_ADOBE_CUSTOM; // freetype wants this for PS symbol fonts
525 :
526 20 : FT_Select_Charmap(maFaceFT, eEncoding);
527 : }
528 :
529 5931 : mbFaceOk = true;
530 :
531 5931 : ApplyGSUB( rFSD );
532 :
533 : // TODO: query GASP table for load flags
534 5931 : mnLoadFlags = FT_LOAD_DEFAULT;
535 : #if 1 // #i97326# cairo sometimes uses FT_Set_Transform() on our FT_FACE
536 : // we are not using FT_Set_Transform() yet, so just ignore it for now
537 5931 : mnLoadFlags |= FT_LOAD_IGNORE_TRANSFORM;
538 : #endif
539 :
540 5931 : mbArtItalic = (rFSD.GetSlant() != ITALIC_NONE && pFI->GetFontAttributes().GetSlant() == ITALIC_NONE);
541 5931 : mbArtBold = (rFSD.GetWeight() > WEIGHT_MEDIUM && pFI->GetFontAttributes().GetWeight() <= WEIGHT_MEDIUM);
542 5931 : if( mbArtBold )
543 : {
544 : //static const int TT_CODEPAGE_RANGE_874 = (1L << 16); // Thai
545 : //static const int TT_CODEPAGE_RANGE_932 = (1L << 17); // JIS/Japan
546 : //static const int TT_CODEPAGE_RANGE_936 = (1L << 18); // Chinese: Simplified
547 : //static const int TT_CODEPAGE_RANGE_949 = (1L << 19); // Korean Wansung
548 : //static const int TT_CODEPAGE_RANGE_950 = (1L << 20); // Chinese: Traditional
549 : //static const int TT_CODEPAGE_RANGE_1361 = (1L << 21); // Korean Johab
550 : static const int TT_CODEPAGE_RANGES1_CJKT = 0x3F0000; // all of the above
551 18 : const TT_OS2* pOs2 = static_cast<const TT_OS2*>(FT_Get_Sfnt_Table( maFaceFT, ft_sfnt_os2 ));
552 18 : if ((pOs2) && (pOs2->ulCodePageRange1 & TT_CODEPAGE_RANGES1_CJKT )
553 8 : && rFSD.mnHeight < 20)
554 1 : mbUseGamma = true;
555 : }
556 :
557 5931 : if( ((mnCos != 0) && (mnSin != 0)) || (mnPrioEmbedded <= 0) )
558 120 : mnLoadFlags |= FT_LOAD_NO_BITMAP;
559 : }
560 :
561 102 : void ServerFont::SetFontOptions(std::shared_ptr<ImplFontOptions> xFontOptions)
562 : {
563 102 : mxFontOptions = xFontOptions;
564 :
565 102 : if (!mxFontOptions)
566 102 : return;
567 :
568 102 : FontAutoHint eHint = mxFontOptions->GetUseAutoHint();
569 102 : if( eHint == AUTOHINT_DONTKNOW )
570 0 : eHint = mbUseGamma ? AUTOHINT_TRUE : AUTOHINT_FALSE;
571 :
572 102 : if( eHint == AUTOHINT_TRUE )
573 0 : mnLoadFlags |= FT_LOAD_FORCE_AUTOHINT;
574 :
575 102 : if( (mnSin != 0) && (mnCos != 0) ) // hinting for 0/90/180/270 degrees only
576 0 : mnLoadFlags |= FT_LOAD_NO_HINTING;
577 102 : mnLoadFlags |= FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH; //#88334#
578 :
579 102 : if (mxFontOptions->DontUseAntiAlias())
580 0 : mnPrioAntiAlias = 0;
581 102 : if (mxFontOptions->DontUseEmbeddedBitmaps())
582 0 : mnPrioEmbedded = 0;
583 102 : if (mxFontOptions->DontUseHinting())
584 0 : mnPrioAutoHint = 0;
585 :
586 102 : if( mnPrioAutoHint <= 0 )
587 0 : mnLoadFlags |= FT_LOAD_NO_HINTING;
588 :
589 : #if defined(FT_LOAD_TARGET_LIGHT) && defined(FT_LOAD_TARGET_NORMAL)
590 102 : if( !(mnLoadFlags & FT_LOAD_NO_HINTING) )
591 : {
592 102 : mnLoadFlags |= FT_LOAD_TARGET_NORMAL;
593 102 : switch (mxFontOptions->GetHintStyle())
594 : {
595 : case HINT_NONE:
596 0 : mnLoadFlags |= FT_LOAD_NO_HINTING;
597 0 : break;
598 : case HINT_SLIGHT:
599 0 : mnLoadFlags |= FT_LOAD_TARGET_LIGHT;
600 0 : break;
601 : case HINT_MEDIUM:
602 0 : break;
603 : case HINT_FULL:
604 : default:
605 102 : break;
606 : }
607 : }
608 : #endif
609 :
610 102 : if( mnPrioEmbedded <= 0 )
611 0 : mnLoadFlags |= FT_LOAD_NO_BITMAP;
612 : }
613 :
614 4 : std::shared_ptr<ImplFontOptions> ServerFont::GetFontOptions() const
615 : {
616 4 : return mxFontOptions;
617 : }
618 :
619 0 : const OString& ServerFont::GetFontFileName() const
620 : {
621 0 : return mpFontInfo->GetFontFileName();
622 : }
623 :
624 :
625 17793 : ServerFont::~ServerFont()
626 : {
627 5931 : delete mpLayoutEngine;
628 :
629 5931 : if( maSizeFT )
630 5931 : FT_Done_Size( maSizeFT );
631 :
632 5931 : mpFontInfo->ReleaseFaceFT();
633 :
634 5931 : ReleaseFromGarbageCollect();
635 11862 : }
636 :
637 :
638 13183 : void ServerFont::FetchFontMetric( ImplFontMetricData& rTo, long& rFactor ) const
639 : {
640 13183 : static_cast<ImplFontAttributes&>(rTo) = mpFontInfo->GetFontAttributes();
641 :
642 13183 : rTo.mbScalableFont = true;
643 13183 : rTo.mbDevice = true;
644 13183 : rTo.mbKernableFont = FT_HAS_KERNING( maFaceFT ) != 0;
645 13183 : rTo.mnOrientation = GetFontSelData().mnOrientation;
646 :
647 : //Always consider [star]symbol as symbol fonts
648 13183 : if ( IsStarSymbol( rTo.GetFamilyName() ) )
649 1032 : rTo.SetSymbolFlag( true );
650 :
651 13183 : FT_Activate_Size( maSizeFT );
652 :
653 13183 : rFactor = 0x100;
654 :
655 13183 : const TT_OS2* pOS2 = static_cast<const TT_OS2*>(FT_Get_Sfnt_Table( maFaceFT, ft_sfnt_os2 ));
656 13183 : const double fScale = (double)GetFontSelData().mnHeight / maFaceFT->units_per_EM;
657 :
658 13183 : rTo.mnAscent = 0;
659 13183 : rTo.mnDescent = 0;
660 13183 : rTo.mnExtLeading = 0;
661 13183 : rTo.mnSlant = 0;
662 13183 : rTo.mnWidth = mnWidth;
663 :
664 : // Calculating ascender and descender:
665 : // FreeType >= 2.4.6 does the right thing, so we just use what it gives us,
666 : // for earlier versions we emulate its behaviour;
667 : // take them from 'hhea' table,
668 : // if zero take them from 'OS/2' table,
669 : // if zero take them from FreeType's font metrics
670 13183 : if (nFTVERSION >= 2406)
671 : {
672 13183 : const FT_Size_Metrics& rMetrics = maFaceFT->size->metrics;
673 13183 : rTo.mnAscent = (rMetrics.ascender + 32) >> 6;
674 13183 : rTo.mnDescent = (-rMetrics.descender + 32) >> 6;
675 13183 : rTo.mnExtLeading = ((rMetrics.height + 32) >> 6) - (rTo.mnAscent + rTo.mnDescent);
676 : }
677 : else
678 : {
679 0 : const TT_HoriHeader* pHHea = static_cast<const TT_HoriHeader*>(FT_Get_Sfnt_Table(maFaceFT, ft_sfnt_hhea));
680 0 : if (pHHea)
681 : {
682 0 : rTo.mnAscent = pHHea->Ascender * fScale + 0.5;
683 0 : rTo.mnDescent = -pHHea->Descender * fScale + 0.5;
684 0 : rTo.mnExtLeading = pHHea->Line_Gap * fScale + 0.5;
685 : }
686 :
687 0 : if (!(rTo.mnAscent || rTo.mnDescent))
688 : {
689 0 : if (pOS2 && (pOS2->version != 0xFFFF))
690 : {
691 0 : if (pOS2->sTypoAscender || pOS2->sTypoDescender)
692 : {
693 0 : rTo.mnAscent = pOS2->sTypoAscender * fScale + 0.5;
694 0 : rTo.mnDescent = -pOS2->sTypoDescender * fScale + 0.5;
695 0 : rTo.mnExtLeading = pOS2->sTypoLineGap * fScale + 0.5;
696 : }
697 : else
698 : {
699 0 : rTo.mnAscent = pOS2->usWinAscent * fScale + 0.5;
700 0 : rTo.mnDescent = pOS2->usWinDescent * fScale + 0.5;
701 0 : rTo.mnExtLeading = 0;
702 : }
703 : }
704 : }
705 :
706 0 : if (!(rTo.mnAscent || rTo.mnDescent))
707 : {
708 0 : const FT_Size_Metrics& rMetrics = maFaceFT->size->metrics;
709 0 : rTo.mnAscent = (rMetrics.ascender + 32) >> 6;
710 0 : rTo.mnDescent = (-rMetrics.descender + 32) >> 6;
711 0 : rTo.mnExtLeading = ((rMetrics.height + 32) >> 6) - (rTo.mnAscent + rTo.mnDescent);
712 : }
713 : }
714 :
715 13183 : rTo.mnIntLeading = rTo.mnAscent + rTo.mnDescent - (maFaceFT->units_per_EM * fScale + 0.5);
716 :
717 13183 : if( pOS2 && (pOS2->version != 0xFFFF) )
718 : {
719 : // map the panose info from the OS2 table to their VCL counterparts
720 12887 : switch( pOS2->panose[0] )
721 : {
722 0 : case 1: rTo.SetFamilyType( FAMILY_ROMAN ); break;
723 11855 : case 2: rTo.SetFamilyType( FAMILY_SWISS ); break;
724 0 : case 3: rTo.SetFamilyType( FAMILY_MODERN ); break;
725 0 : case 4: rTo.SetFamilyType( FAMILY_SCRIPT ); break;
726 1032 : case 5: rTo.SetFamilyType( FAMILY_DECORATIVE ); break;
727 : // TODO: is it reasonable to override the attribute with DONTKNOW?
728 : case 0: // fall through
729 0 : default: rTo.meFamilyType = FAMILY_DONTKNOW; break;
730 : }
731 :
732 12887 : switch( pOS2->panose[3] )
733 : {
734 : case 2: // fall through
735 : case 3: // fall through
736 : case 4: // fall through
737 : case 5: // fall through
738 : case 6: // fall through
739 : case 7: // fall through
740 11649 : case 8: rTo.SetPitch( PITCH_VARIABLE ); break;
741 121 : case 9: rTo.SetPitch( PITCH_FIXED ); break;
742 : // TODO: is it reasonable to override the attribute with DONTKNOW?
743 : case 0: // fall through
744 : case 1: // fall through
745 1117 : default: rTo.SetPitch( PITCH_DONTKNOW ); break;
746 : }
747 : }
748 :
749 : // initialize kashida width
750 : // TODO: what if there are different versions of this glyph available
751 13183 : const int nKashidaGlyphId = GetRawGlyphIndex( 0x0640 );
752 13183 : if( nKashidaGlyphId )
753 : {
754 1743 : GlyphData aGlyphData;
755 1743 : InitGlyphData( nKashidaGlyphId, aGlyphData );
756 1743 : rTo.mnMinKashida = aGlyphData.GetMetric().GetCharWidth();
757 : }
758 13183 : }
759 :
760 87461 : static inline void SplitGlyphFlags( const ServerFont& rFont, sal_GlyphId& rGlyphId, int& nGlyphFlags )
761 : {
762 87461 : nGlyphFlags = rGlyphId & GF_FLAGMASK;
763 87461 : rGlyphId &= GF_IDXMASK;
764 :
765 87461 : if( rGlyphId & GF_ISCHAR )
766 0 : rGlyphId = rFont.GetRawGlyphIndex( rGlyphId );
767 87461 : }
768 :
769 87331 : int ServerFont::ApplyGlyphTransform( int nGlyphFlags,
770 : FT_Glyph pGlyphFT, bool bForBitmapProcessing ) const
771 : {
772 87331 : int nAngle = GetFontSelData().mnOrientation;
773 : // shortcut most common case
774 87331 : if( !nAngle && !nGlyphFlags )
775 85742 : return nAngle;
776 :
777 1589 : const FT_Size_Metrics& rMetrics = maFaceFT->size->metrics;
778 : FT_Vector aVector;
779 : FT_Matrix aMatrix;
780 :
781 1589 : bool bStretched = false;
782 :
783 1589 : switch( nGlyphFlags & GF_ROTMASK )
784 : {
785 : default: // straight
786 1589 : aVector.x = 0;
787 1589 : aVector.y = 0;
788 1589 : aMatrix.xx = +mnCos;
789 1589 : aMatrix.yy = +mnCos;
790 1589 : aMatrix.xy = -mnSin;
791 1589 : aMatrix.yx = +mnSin;
792 1589 : break;
793 : case GF_ROTL: // left
794 0 : nAngle += 900;
795 0 : bStretched = (mfStretch != 1.0);
796 0 : aVector.x = (FT_Pos)(+rMetrics.descender * mfStretch);
797 0 : aVector.y = -rMetrics.ascender;
798 0 : aMatrix.xx = (FT_Pos)(-mnSin / mfStretch);
799 0 : aMatrix.yy = (FT_Pos)(-mnSin * mfStretch);
800 0 : aMatrix.xy = (FT_Pos)(-mnCos * mfStretch);
801 0 : aMatrix.yx = (FT_Pos)(+mnCos / mfStretch);
802 0 : break;
803 : case GF_ROTR: // right
804 0 : nAngle -= 900;
805 0 : bStretched = (mfStretch != 1.0);
806 0 : aVector.x = -maFaceFT->glyph->metrics.horiAdvance;
807 0 : aVector.x += (FT_Pos)(rMetrics.descender * mnSin/65536.0);
808 0 : aVector.y = (FT_Pos)(-rMetrics.descender * mfStretch * mnCos/65536.0);
809 0 : aMatrix.xx = (FT_Pos)(+mnSin / mfStretch);
810 0 : aMatrix.yy = (FT_Pos)(+mnSin * mfStretch);
811 0 : aMatrix.xy = (FT_Pos)(+mnCos * mfStretch);
812 0 : aMatrix.yx = (FT_Pos)(-mnCos / mfStretch);
813 0 : break;
814 : }
815 :
816 3178 : while( nAngle < 0 )
817 0 : nAngle += 3600;
818 :
819 1589 : if( pGlyphFT->format != FT_GLYPH_FORMAT_BITMAP )
820 : {
821 1589 : FT_Glyph_Transform( pGlyphFT, NULL, &aVector );
822 :
823 : // orthogonal transforms are better handled by bitmap operations
824 1589 : if( bStretched || (bForBitmapProcessing && (nAngle % 900) != 0) )
825 : {
826 : // apply non-orthogonal or stretch transformations
827 338 : FT_Glyph_Transform( pGlyphFT, &aMatrix, NULL );
828 338 : nAngle = 0;
829 : }
830 : }
831 : else
832 : {
833 : // FT<=2005 ignores transforms for bitmaps, so do it manually
834 0 : FT_BitmapGlyph pBmpGlyphFT = reinterpret_cast<FT_BitmapGlyph>(pGlyphFT);
835 0 : pBmpGlyphFT->left += (aVector.x + 32) >> 6;
836 0 : pBmpGlyphFT->top += (aVector.y + 32) >> 6;
837 : }
838 :
839 1589 : return nAngle;
840 : }
841 :
842 24850840 : sal_GlyphId ServerFont::GetRawGlyphIndex(sal_UCS4 aChar, sal_UCS4 aVS) const
843 : {
844 24850840 : if( mpFontInfo->IsSymbolFont() )
845 : {
846 590 : if( !FT_IS_SFNT( maFaceFT ) )
847 : {
848 590 : if( (aChar & 0xFF00) == 0xF000 )
849 142 : aChar &= 0xFF; // PS font symbol mapping
850 448 : else if( aChar > 0xFF )
851 119 : return 0;
852 : }
853 : }
854 :
855 24850721 : int nGlyphIndex = 0;
856 : #if HAVE_FT_FACE_GETCHARVARIANTINDEX
857 : // If asked, check first for variant glyph with the given Unicode variation
858 : // selector. This is quite uncommon so we don't bother with caching here.
859 : // Disabled for buggy FreeType versions:
860 : // https://bugzilla.mozilla.org/show_bug.cgi?id=618406#c8
861 24850721 : if (aVS && nFTVERSION >= 2404)
862 0 : nGlyphIndex = FT_Face_GetCharVariantIndex(maFaceFT, aChar, aVS);
863 : #endif
864 :
865 24850721 : if (nGlyphIndex == 0)
866 : {
867 : // cache glyph indexes in font info to share between different sizes
868 24850721 : nGlyphIndex = mpFontInfo->GetGlyphIndex( aChar );
869 24850721 : if( nGlyphIndex < 0 )
870 : {
871 24704 : nGlyphIndex = FT_Get_Char_Index( maFaceFT, aChar );
872 24704 : if( !nGlyphIndex)
873 : {
874 : // check if symbol aliasing helps
875 1053 : if( (aChar <= 0x00FF) && mpFontInfo->IsSymbolFont() )
876 0 : nGlyphIndex = FT_Get_Char_Index( maFaceFT, aChar | 0xF000 );
877 : }
878 24704 : mpFontInfo->CacheGlyphIndex( aChar, nGlyphIndex );
879 : }
880 : }
881 :
882 24850721 : return sal_GlyphId( nGlyphIndex);
883 : }
884 :
885 24816148 : sal_GlyphId ServerFont::FixupGlyphIndex( sal_GlyphId aGlyphId, sal_UCS4 aChar ) const
886 : {
887 24816148 : int nGlyphFlags = GF_NONE;
888 :
889 : // do glyph substitution if necessary
890 : // CJK vertical writing needs special treatment
891 24816148 : if( GetFontSelData().mbVertical )
892 : {
893 : // TODO: rethink when GSUB is used for non-vertical case
894 572 : GlyphSubstitution::const_iterator it = maGlyphSubstitution.find( aGlyphId );
895 572 : if( it == maGlyphSubstitution.end() )
896 : {
897 572 : nGlyphFlags |= GetVerticalFlags( aChar );
898 : }
899 : else
900 : {
901 : // for vertical GSUB also compensate for nOrientation=2700
902 0 : aGlyphId = (*it).second;
903 0 : nGlyphFlags |= GF_GSUB | GF_ROTL;
904 : }
905 : }
906 :
907 24816148 : if( aGlyphId != 0 )
908 24752872 : aGlyphId |= nGlyphFlags;
909 :
910 24816148 : return aGlyphId;
911 : }
912 :
913 0 : sal_GlyphId ServerFont::GetGlyphIndex( sal_UCS4 aChar ) const
914 : {
915 0 : sal_GlyphId aGlyphId = GetRawGlyphIndex( aChar );
916 0 : aGlyphId = FixupGlyphIndex( aGlyphId, aChar );
917 0 : return aGlyphId;
918 : }
919 :
920 70475 : static int lcl_GetCharWidth( FT_FaceRec_* pFaceFT, double fStretch, int nGlyphFlags )
921 : {
922 70475 : int nCharWidth = pFaceFT->glyph->metrics.horiAdvance;
923 :
924 70475 : if( nGlyphFlags & GF_ROTMASK ) // for bVertical rotated glyphs
925 : {
926 0 : const FT_Size_Metrics& rMetrics = pFaceFT->size->metrics;
927 0 : nCharWidth = (int)((rMetrics.height + rMetrics.descender) * fStretch);
928 : }
929 :
930 70475 : return (nCharWidth + 32) >> 6;
931 : }
932 :
933 70498 : void ServerFont::InitGlyphData( sal_GlyphId aGlyphId, GlyphData& rGD ) const
934 : {
935 70498 : FT_Activate_Size( maSizeFT );
936 :
937 : int nGlyphFlags;
938 70498 : SplitGlyphFlags( *this, aGlyphId, nGlyphFlags );
939 :
940 70498 : int nLoadFlags = mnLoadFlags;
941 :
942 : // if( mbArtItalic )
943 : // nLoadFlags |= FT_LOAD_NO_BITMAP;
944 :
945 70498 : FT_Error rc = FT_Load_Glyph( maFaceFT, aGlyphId, nLoadFlags );
946 :
947 70498 : if( rc != FT_Err_Ok )
948 : {
949 : // we get here e.g. when a PS font lacks the default glyph
950 5 : rGD.SetCharWidth( 0 );
951 5 : rGD.SetDelta( 0, 0 );
952 5 : rGD.SetOffset( 0, 0 );
953 5 : rGD.SetSize( Size( 0, 0 ) );
954 70503 : return;
955 : }
956 :
957 70493 : const bool bOriginallyZeroWidth = (maFaceFT->glyph->metrics.horiAdvance == 0);
958 70493 : if (mbArtBold)
959 25 : FT_GlyphSlot_Embolden(maFaceFT->glyph);
960 :
961 70493 : const int nCharWidth = bOriginallyZeroWidth ? 0 : lcl_GetCharWidth( maFaceFT, mfStretch, nGlyphFlags );
962 70493 : rGD.SetCharWidth( nCharWidth );
963 :
964 : FT_Glyph pGlyphFT;
965 70493 : rc = FT_Get_Glyph( maFaceFT->glyph, &pGlyphFT );
966 :
967 70493 : ApplyGlyphTransform( nGlyphFlags, pGlyphFT, false );
968 70493 : rGD.SetDelta( (pGlyphFT->advance.x + 0x8000) >> 16, -((pGlyphFT->advance.y + 0x8000) >> 16) );
969 :
970 : FT_BBox aBbox;
971 70493 : FT_Glyph_Get_CBox( pGlyphFT, FT_GLYPH_BBOX_PIXELS, &aBbox );
972 70493 : if( aBbox.yMin > aBbox.yMax ) // circumvent freetype bug
973 : {
974 0 : int t=aBbox.yMin; aBbox.yMin=aBbox.yMax, aBbox.yMax=t;
975 : }
976 :
977 70493 : rGD.SetOffset( aBbox.xMin, -aBbox.yMax );
978 70493 : rGD.SetSize( Size( (aBbox.xMax-aBbox.xMin+1), (aBbox.yMax-aBbox.yMin) ) );
979 :
980 70493 : FT_Done_Glyph( pGlyphFT );
981 : }
982 :
983 0 : bool ServerFont::GetAntialiasAdvice() const
984 : {
985 0 : if( GetFontSelData().mbNonAntialiased || (mnPrioAntiAlias<=0) )
986 0 : return false;
987 0 : bool bAdviseAA = true;
988 : // TODO: also use GASP info
989 0 : return bAdviseAA;
990 : }
991 :
992 0 : bool ServerFont::GetGlyphBitmap1( sal_GlyphId aGlyphId, RawBitmap& rRawBitmap ) const
993 : {
994 0 : FT_Activate_Size( maSizeFT );
995 :
996 : int nGlyphFlags;
997 0 : SplitGlyphFlags( *this, aGlyphId, nGlyphFlags );
998 :
999 0 : FT_Int nLoadFlags = mnLoadFlags;
1000 : // #i70930# force mono-hinting for monochrome text
1001 0 : nLoadFlags &= ~0xF0000;
1002 0 : nLoadFlags |= FT_LOAD_TARGET_MONO;
1003 :
1004 0 : if( mbArtItalic )
1005 0 : nLoadFlags |= FT_LOAD_NO_BITMAP;
1006 :
1007 : // for 0/90/180/270 degree fonts enable hinting even if not advisable
1008 : // non-hinted and non-antialiased bitmaps just look too ugly
1009 0 : if( (mnCos==0 || mnSin==0) && (mnPrioAutoHint > 0) )
1010 0 : nLoadFlags &= ~FT_LOAD_NO_HINTING;
1011 :
1012 0 : if( mnPrioEmbedded <= mnPrioAutoHint )
1013 0 : nLoadFlags |= FT_LOAD_NO_BITMAP;
1014 :
1015 0 : FT_Error rc = FT_Load_Glyph( maFaceFT, aGlyphId, nLoadFlags );
1016 :
1017 0 : if( rc != FT_Err_Ok )
1018 0 : return false;
1019 :
1020 0 : if (mbArtBold)
1021 0 : FT_GlyphSlot_Embolden(maFaceFT->glyph);
1022 :
1023 : FT_Glyph pGlyphFT;
1024 0 : rc = FT_Get_Glyph( maFaceFT->glyph, &pGlyphFT );
1025 0 : if( rc != FT_Err_Ok )
1026 0 : return false;
1027 :
1028 0 : int nAngle = ApplyGlyphTransform( nGlyphFlags, pGlyphFT, true );
1029 :
1030 0 : if( mbArtItalic )
1031 : {
1032 : FT_Matrix aMatrix;
1033 0 : aMatrix.xx = aMatrix.yy = 0x10000L;
1034 0 : aMatrix.xy = 0x6000L, aMatrix.yx = 0;
1035 0 : FT_Glyph_Transform( pGlyphFT, &aMatrix, NULL );
1036 : }
1037 :
1038 : // Check for zero area bounding boxes as this crashes some versions of FT.
1039 : // This also provides a handy short cut as much of the code following
1040 : // becomes an expensive nop when a glyph covers no pixels.
1041 : FT_BBox cbox;
1042 0 : FT_Glyph_Get_CBox(pGlyphFT, ft_glyph_bbox_unscaled, &cbox);
1043 :
1044 0 : if( (cbox.xMax - cbox.xMin) == 0 || (cbox.yMax - cbox.yMin == 0) )
1045 : {
1046 0 : nAngle = 0;
1047 0 : memset(&rRawBitmap, 0, sizeof rRawBitmap);
1048 0 : FT_Done_Glyph( pGlyphFT );
1049 0 : return true;
1050 : }
1051 :
1052 0 : if( pGlyphFT->format != FT_GLYPH_FORMAT_BITMAP )
1053 : {
1054 0 : if( pGlyphFT->format == FT_GLYPH_FORMAT_OUTLINE )
1055 0 : reinterpret_cast<FT_OutlineGlyphRec*>(pGlyphFT)->outline.flags |= FT_OUTLINE_HIGH_PRECISION;
1056 0 : FT_Render_Mode nRenderMode = FT_RENDER_MODE_MONO;
1057 :
1058 0 : rc = FT_Glyph_To_Bitmap( &pGlyphFT, nRenderMode, NULL, true );
1059 0 : if( rc != FT_Err_Ok )
1060 : {
1061 0 : FT_Done_Glyph( pGlyphFT );
1062 0 : return false;
1063 : }
1064 : }
1065 :
1066 0 : const FT_BitmapGlyph pBmpGlyphFT = reinterpret_cast<const FT_BitmapGlyph>(pGlyphFT);
1067 : // NOTE: autohinting in FT<=2.0.2 miscalculates the offsets below by +-1
1068 0 : rRawBitmap.mnXOffset = +pBmpGlyphFT->left;
1069 0 : rRawBitmap.mnYOffset = -pBmpGlyphFT->top;
1070 :
1071 0 : const FT_Bitmap& rBitmapFT = pBmpGlyphFT->bitmap;
1072 0 : rRawBitmap.mnHeight = rBitmapFT.rows;
1073 0 : rRawBitmap.mnBitCount = 1;
1074 0 : rRawBitmap.mnWidth = rBitmapFT.width;
1075 0 : rRawBitmap.mnScanlineSize = rBitmapFT.pitch;
1076 :
1077 0 : const sal_uLong nNeededSize = rRawBitmap.mnScanlineSize * rRawBitmap.mnHeight;
1078 :
1079 0 : if( rRawBitmap.mnAllocated < nNeededSize )
1080 : {
1081 0 : rRawBitmap.mnAllocated = 2*nNeededSize;
1082 0 : rRawBitmap.mpBits.reset(new unsigned char[ rRawBitmap.mnAllocated ]);
1083 : }
1084 :
1085 0 : if (!mbArtBold)
1086 : {
1087 0 : memcpy( rRawBitmap.mpBits.get(), rBitmapFT.buffer, nNeededSize );
1088 : }
1089 : else
1090 : {
1091 0 : memset( rRawBitmap.mpBits.get(), 0, nNeededSize );
1092 0 : const unsigned char* pSrcLine = rBitmapFT.buffer;
1093 0 : unsigned char* pDstLine = rRawBitmap.mpBits.get();
1094 0 : for( int h = rRawBitmap.mnHeight; --h >= 0; )
1095 : {
1096 0 : memcpy( pDstLine, pSrcLine, rBitmapFT.pitch );
1097 0 : pDstLine += rRawBitmap.mnScanlineSize;
1098 0 : pSrcLine += rBitmapFT.pitch;
1099 : }
1100 :
1101 0 : unsigned char* p = rRawBitmap.mpBits.get();
1102 0 : for( sal_uLong y=0; y < rRawBitmap.mnHeight; y++ )
1103 : {
1104 0 : unsigned char nLastByte = 0;
1105 0 : for( sal_uLong x=0; x < rRawBitmap.mnScanlineSize; x++ )
1106 : {
1107 0 : unsigned char nTmp = p[x] << 7;
1108 0 : p[x] |= (p[x] >> 1) | nLastByte;
1109 0 : nLastByte = nTmp;
1110 : }
1111 0 : p += rRawBitmap.mnScanlineSize;
1112 : }
1113 : }
1114 :
1115 0 : FT_Done_Glyph( pGlyphFT );
1116 :
1117 : // special case for 0/90/180/270 degree orientation
1118 0 : switch( nAngle )
1119 : {
1120 : case -900:
1121 : case +900:
1122 : case +1800:
1123 : case +2700:
1124 0 : rRawBitmap.Rotate( nAngle );
1125 0 : break;
1126 : }
1127 :
1128 0 : return true;
1129 : }
1130 :
1131 13470 : bool ServerFont::GetGlyphBitmap8( sal_GlyphId aGlyphId, RawBitmap& rRawBitmap ) const
1132 : {
1133 13470 : FT_Activate_Size( maSizeFT );
1134 :
1135 : int nGlyphFlags;
1136 13470 : SplitGlyphFlags( *this, aGlyphId, nGlyphFlags );
1137 :
1138 13470 : FT_Int nLoadFlags = mnLoadFlags;
1139 :
1140 13470 : if( mbArtItalic )
1141 0 : nLoadFlags |= FT_LOAD_NO_BITMAP;
1142 :
1143 13470 : if( (nGlyphFlags & GF_UNHINTED) || (mnPrioAutoHint < mnPrioAntiAlias) )
1144 0 : nLoadFlags |= FT_LOAD_NO_HINTING;
1145 :
1146 13470 : if( mnPrioEmbedded <= mnPrioAntiAlias )
1147 0 : nLoadFlags |= FT_LOAD_NO_BITMAP;
1148 :
1149 13470 : FT_Error rc = FT_Load_Glyph( maFaceFT, aGlyphId, nLoadFlags );
1150 :
1151 13470 : if( rc != FT_Err_Ok )
1152 8 : return false;
1153 :
1154 13462 : if (mbArtBold)
1155 4 : FT_GlyphSlot_Embolden(maFaceFT->glyph);
1156 :
1157 : FT_Glyph pGlyphFT;
1158 13462 : rc = FT_Get_Glyph( maFaceFT->glyph, &pGlyphFT );
1159 13462 : if( rc != FT_Err_Ok )
1160 0 : return false;
1161 :
1162 13462 : int nAngle = ApplyGlyphTransform( nGlyphFlags, pGlyphFT, true );
1163 :
1164 13462 : if( mbArtItalic )
1165 : {
1166 : FT_Matrix aMatrix;
1167 0 : aMatrix.xx = aMatrix.yy = 0x10000L;
1168 0 : aMatrix.xy = 0x6000L, aMatrix.yx = 0;
1169 0 : FT_Glyph_Transform( pGlyphFT, &aMatrix, NULL );
1170 : }
1171 :
1172 13462 : if( pGlyphFT->format == FT_GLYPH_FORMAT_OUTLINE )
1173 13418 : reinterpret_cast<FT_OutlineGlyph>(pGlyphFT)->outline.flags |= FT_OUTLINE_HIGH_PRECISION;
1174 :
1175 13462 : bool bEmbedded = (pGlyphFT->format == FT_GLYPH_FORMAT_BITMAP);
1176 13462 : if( !bEmbedded )
1177 : {
1178 13418 : rc = FT_Glyph_To_Bitmap( &pGlyphFT, FT_RENDER_MODE_NORMAL, NULL, true );
1179 13418 : if( rc != FT_Err_Ok )
1180 : {
1181 0 : FT_Done_Glyph( pGlyphFT );
1182 0 : return false;
1183 : }
1184 : }
1185 :
1186 13462 : const FT_BitmapGlyph pBmpGlyphFT = reinterpret_cast<const FT_BitmapGlyph>(pGlyphFT);
1187 13462 : rRawBitmap.mnXOffset = +pBmpGlyphFT->left;
1188 13462 : rRawBitmap.mnYOffset = -pBmpGlyphFT->top;
1189 :
1190 13462 : const FT_Bitmap& rBitmapFT = pBmpGlyphFT->bitmap;
1191 13462 : rRawBitmap.mnHeight = rBitmapFT.rows;
1192 13462 : rRawBitmap.mnWidth = rBitmapFT.width;
1193 13462 : rRawBitmap.mnBitCount = 8;
1194 13462 : rRawBitmap.mnScanlineSize = bEmbedded ? rBitmapFT.width : rBitmapFT.pitch;
1195 13462 : rRawBitmap.mnScanlineSize = (rRawBitmap.mnScanlineSize + 3) & -4;
1196 :
1197 13462 : const sal_uLong nNeededSize = rRawBitmap.mnScanlineSize * rRawBitmap.mnHeight;
1198 13462 : if( rRawBitmap.mnAllocated < nNeededSize )
1199 : {
1200 13030 : rRawBitmap.mnAllocated = 2*nNeededSize;
1201 13030 : rRawBitmap.mpBits.reset(new unsigned char[ rRawBitmap.mnAllocated ]);
1202 : }
1203 :
1204 13462 : const unsigned char* pSrc = rBitmapFT.buffer;
1205 13462 : unsigned char* pDest = rRawBitmap.mpBits.get();
1206 13462 : if( !bEmbedded )
1207 : {
1208 : unsigned int x;
1209 164819 : for( int y = rRawBitmap.mnHeight; --y >= 0 ; )
1210 : {
1211 2243112 : for( x = 0; x < static_cast<unsigned int>(rBitmapFT.width); ++x )
1212 2105129 : *(pDest++) = *(pSrc++);
1213 348506 : for(; x < rRawBitmap.mnScanlineSize; ++x )
1214 210523 : *(pDest++) = 0;
1215 : }
1216 : }
1217 : else
1218 : {
1219 : unsigned int x;
1220 721 : for( int y = rRawBitmap.mnHeight; --y >= 0 ; )
1221 : {
1222 633 : unsigned char nSrc = 0;
1223 9742 : for( x = 0; x < static_cast<unsigned int>(rBitmapFT.width); ++x, nSrc+=nSrc )
1224 : {
1225 9109 : if( (x & 7) == 0 )
1226 1266 : nSrc = *(pSrc++);
1227 9109 : *(pDest++) = (0x7F - nSrc) >> 8;
1228 : }
1229 1652 : for(; x < rRawBitmap.mnScanlineSize; ++x )
1230 1019 : *(pDest++) = 0;
1231 : }
1232 : }
1233 :
1234 13462 : if( !bEmbedded && mbUseGamma )
1235 : {
1236 0 : unsigned char* p = rRawBitmap.mpBits.get();
1237 0 : for( sal_uLong y=0; y < rRawBitmap.mnHeight; y++ )
1238 : {
1239 0 : for( sal_uLong x=0; x < rRawBitmap.mnWidth; x++ )
1240 : {
1241 0 : p[x] = aGammaTable[ p[x] ];
1242 : }
1243 0 : p += rRawBitmap.mnScanlineSize;
1244 : }
1245 : }
1246 :
1247 13462 : FT_Done_Glyph( pGlyphFT );
1248 :
1249 : // special case for 0/90/180/270 degree orientation
1250 13462 : switch( nAngle )
1251 : {
1252 : case -900:
1253 : case +900:
1254 : case +1800:
1255 : case +2700:
1256 202 : rRawBitmap.Rotate( nAngle );
1257 202 : break;
1258 : }
1259 :
1260 13462 : return true;
1261 : }
1262 :
1263 : // determine unicode ranges in font
1264 :
1265 10011 : const FontCharMapPtr ServerFont::GetFontCharMap() const
1266 : {
1267 10011 : const FontCharMapPtr pFCMap = mpFontInfo->GetFontCharMap();
1268 10011 : return pFCMap;
1269 : }
1270 :
1271 10011 : const FontCharMapPtr FtFontInfo::GetFontCharMap()
1272 : {
1273 : // check if the charmap is already cached
1274 10011 : if( mpFontCharMap )
1275 9968 : return mpFontCharMap;
1276 :
1277 : // get the charmap and cache it
1278 43 : CmapResult aCmapResult;
1279 43 : bool bOK = GetFontCodeRanges( aCmapResult );
1280 43 : if( bOK )
1281 : {
1282 43 : FontCharMapPtr pFontCharMap( new FontCharMap ( aCmapResult ) );
1283 43 : mpFontCharMap = pFontCharMap;
1284 : }
1285 : else
1286 : {
1287 0 : FontCharMapPtr pFontCharMap( new FontCharMap() );
1288 0 : mpFontCharMap = pFontCharMap;
1289 : }
1290 : // mpFontCharMap on either branch now has a refcount of 1
1291 43 : return mpFontCharMap;
1292 : }
1293 :
1294 : // TODO: merge into method GetFontCharMap()
1295 43 : bool FtFontInfo::GetFontCodeRanges( CmapResult& rResult ) const
1296 : {
1297 43 : rResult.mbSymbolic = IsSymbolFont();
1298 :
1299 : // TODO: is the full CmapResult needed on platforms calling this?
1300 43 : if( FT_IS_SFNT( maFaceFT ) )
1301 : {
1302 43 : sal_uLong nLength = 0;
1303 43 : const unsigned char* pCmap = GetTable( "cmap", &nLength );
1304 43 : if( pCmap && (nLength > 0) )
1305 43 : if( ParseCMAP( pCmap, nLength, rResult ) )
1306 43 : return true;
1307 : }
1308 :
1309 : typedef std::vector<sal_uInt32> U32Vector;
1310 0 : U32Vector aCodes;
1311 :
1312 : // FT's coverage is available since FT>=2.1.0 (OOo-baseline>=2.1.4 => ok)
1313 0 : aCodes.reserve( 0x1000 );
1314 : FT_UInt nGlyphIndex;
1315 0 : for( sal_uInt32 cCode = FT_Get_First_Char( maFaceFT, &nGlyphIndex );; )
1316 : {
1317 0 : if( !nGlyphIndex )
1318 0 : break;
1319 0 : aCodes.push_back( cCode ); // first code inside range
1320 0 : sal_uInt32 cNext = cCode;
1321 0 : do cNext = FT_Get_Next_Char( maFaceFT, cCode, &nGlyphIndex ); while( cNext == ++cCode );
1322 0 : aCodes.push_back( cCode ); // first code outside range
1323 0 : cCode = cNext;
1324 0 : }
1325 :
1326 0 : const int nCount = aCodes.size();
1327 0 : if( !nCount) {
1328 0 : if( !rResult.mbSymbolic )
1329 0 : return false;
1330 :
1331 : // we usually get here for Type1 symbol fonts
1332 0 : aCodes.push_back( 0xF020 );
1333 0 : aCodes.push_back( 0xF100 );
1334 : }
1335 :
1336 0 : sal_uInt32* pCodes = new sal_uInt32[ nCount ];
1337 0 : for( int i = 0; i < nCount; ++i )
1338 0 : pCodes[i] = aCodes[i];
1339 0 : rResult.mpRangeCodes = pCodes;
1340 0 : rResult.mnRangeCount = nCount / 2;
1341 0 : return true;
1342 : }
1343 :
1344 0 : bool ServerFont::GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const
1345 : {
1346 0 : bool bRet = false;
1347 :
1348 0 : sal_uLong nLength = 0;
1349 : // load GSUB table
1350 0 : const FT_Byte* pGSUB = mpFontInfo->GetTable("GSUB", &nLength);
1351 0 : if (pGSUB)
1352 0 : vcl::getTTScripts(rFontCapabilities.maGSUBScriptTags, pGSUB, nLength);
1353 :
1354 : // load OS/2 table
1355 0 : const FT_Byte* pOS2 = mpFontInfo->GetTable("OS/2", &nLength);
1356 0 : if (pOS2)
1357 : {
1358 : bRet = vcl::getTTCoverage(
1359 : rFontCapabilities.maUnicodeRange,
1360 : rFontCapabilities.maCodePageRange,
1361 0 : pOS2, nLength);
1362 : }
1363 :
1364 0 : return bRet;
1365 : }
1366 :
1367 : // outline stuff
1368 :
1369 : class PolyArgs
1370 : {
1371 : public:
1372 : PolyArgs( tools::PolyPolygon& rPolyPoly, sal_uInt16 nMaxPoints );
1373 : ~PolyArgs();
1374 :
1375 : void AddPoint( long nX, long nY, PolyFlags);
1376 : void ClosePolygon();
1377 :
1378 36793 : long GetPosX() const { return maPosition.x;}
1379 36793 : long GetPosY() const { return maPosition.y;}
1380 :
1381 : private:
1382 : tools::PolyPolygon& mrPolyPoly;
1383 :
1384 : Point* mpPointAry;
1385 : sal_uInt8* mpFlagAry;
1386 :
1387 : FT_Vector maPosition;
1388 : sal_uInt16 mnMaxPoints;
1389 : sal_uInt16 mnPoints;
1390 : sal_uInt16 mnPoly;
1391 : bool bHasOffline;
1392 : };
1393 :
1394 3376 : PolyArgs::PolyArgs( tools::PolyPolygon& rPolyPoly, sal_uInt16 nMaxPoints )
1395 : : mrPolyPoly(rPolyPoly),
1396 : mnMaxPoints(nMaxPoints),
1397 : mnPoints(0),
1398 : mnPoly(0),
1399 3376 : bHasOffline(false)
1400 : {
1401 3376 : mpPointAry = new Point[ mnMaxPoints ];
1402 3376 : mpFlagAry = new sal_uInt8 [ mnMaxPoints ];
1403 3376 : maPosition.x = maPosition.y = 0;
1404 3376 : }
1405 :
1406 3376 : PolyArgs::~PolyArgs()
1407 : {
1408 3376 : delete[] mpFlagAry;
1409 3376 : delete[] mpPointAry;
1410 3376 : }
1411 :
1412 141810 : void PolyArgs::AddPoint( long nX, long nY, PolyFlags aFlag )
1413 : {
1414 : DBG_ASSERT( (mnPoints < mnMaxPoints), "FTGlyphOutline: AddPoint overflow!" );
1415 141810 : if( mnPoints >= mnMaxPoints )
1416 141810 : return;
1417 :
1418 141810 : maPosition.x = nX;
1419 141810 : maPosition.y = nY;
1420 141810 : mpPointAry[ mnPoints ] = Point( nX, nY );
1421 141810 : mpFlagAry[ mnPoints++ ]= aFlag;
1422 141810 : bHasOffline |= (aFlag != POLY_NORMAL);
1423 : }
1424 :
1425 8631 : void PolyArgs::ClosePolygon()
1426 : {
1427 8631 : if( !mnPoly++ )
1428 12007 : return;
1429 :
1430 : // freetype seems to always close the polygon with an ON_CURVE point
1431 : // PolyPoly wants to close the polygon itself => remove last point
1432 : DBG_ASSERT( (mnPoints >= 2), "FTGlyphOutline: PolyFinishNum failed!" );
1433 5255 : --mnPoints;
1434 : DBG_ASSERT( (mpPointAry[0]==mpPointAry[mnPoints]), "FTGlyphOutline: PolyFinishEq failed!" );
1435 : DBG_ASSERT( (mpFlagAry[0]==POLY_NORMAL), "FTGlyphOutline: PolyFinishFE failed!" );
1436 : DBG_ASSERT( (mpFlagAry[mnPoints]==POLY_NORMAL), "FTGlyphOutline: PolyFinishFS failed!" );
1437 :
1438 5255 : Polygon aPoly( mnPoints, mpPointAry, (bHasOffline ? mpFlagAry : NULL) );
1439 :
1440 : // #i35928#
1441 : // This may be a invalid polygons, e.g. the last point is a control point.
1442 : // So close the polygon (and add the first point again) if the last point
1443 : // is a control point or different from first.
1444 : // #i48298#
1445 : // Now really duplicating the first point, to close or correct the
1446 : // polygon. Also no longer duplicating the flags, but enforcing
1447 : // POLY_NORMAL for the newly added last point.
1448 5255 : const sal_uInt16 nPolySize(aPoly.GetSize());
1449 5255 : if(nPolySize)
1450 : {
1451 14047 : if((aPoly.HasFlags() && POLY_CONTROL == aPoly.GetFlags(nPolySize - 1))
1452 8098 : || (aPoly.GetPoint(nPolySize - 1) != aPoly.GetPoint(0)))
1453 : {
1454 5199 : aPoly.SetSize(nPolySize + 1);
1455 5199 : aPoly.SetPoint(aPoly.GetPoint(0), nPolySize);
1456 :
1457 5199 : if(aPoly.HasFlags())
1458 : {
1459 3530 : aPoly.SetFlags(nPolySize, POLY_NORMAL);
1460 : }
1461 : }
1462 : }
1463 :
1464 5255 : mrPolyPoly.Insert( aPoly );
1465 5255 : mnPoints = 0;
1466 5255 : bHasOffline = false;
1467 : }
1468 :
1469 : extern "C" {
1470 :
1471 : // TODO: wait till all compilers accept that calling conventions
1472 : // for functions are the same independent of implementation constness,
1473 : // then uncomment the const-tokens in the function interfaces below
1474 5255 : static int FT_move_to( FT_Vector_CPtr p0, void* vpPolyArgs )
1475 : {
1476 5255 : PolyArgs& rA = *static_cast<PolyArgs*>(vpPolyArgs);
1477 :
1478 : // move_to implies a new polygon => finish old polygon first
1479 5255 : rA.ClosePolygon();
1480 :
1481 5255 : rA.AddPoint( p0->x, p0->y, POLY_NORMAL );
1482 5255 : return 0;
1483 : }
1484 :
1485 25339 : static int FT_line_to( FT_Vector_CPtr p1, void* vpPolyArgs )
1486 : {
1487 25339 : PolyArgs& rA = *static_cast<PolyArgs*>(vpPolyArgs);
1488 25339 : rA.AddPoint( p1->x, p1->y, POLY_NORMAL );
1489 25339 : return 0;
1490 : }
1491 :
1492 36793 : static int FT_conic_to( FT_Vector_CPtr p1, FT_Vector_CPtr p2, void* vpPolyArgs )
1493 : {
1494 36793 : PolyArgs& rA = *static_cast<PolyArgs*>(vpPolyArgs);
1495 :
1496 : // VCL's Polygon only knows cubic beziers
1497 36793 : const long nX1 = (2 * rA.GetPosX() + 4 * p1->x + 3) / 6;
1498 36793 : const long nY1 = (2 * rA.GetPosY() + 4 * p1->y + 3) / 6;
1499 36793 : rA.AddPoint( nX1, nY1, POLY_CONTROL );
1500 :
1501 36793 : const long nX2 = (2 * p2->x + 4 * p1->x + 3) / 6;
1502 36793 : const long nY2 = (2 * p2->y + 4 * p1->y + 3) / 6;
1503 36793 : rA.AddPoint( nX2, nY2, POLY_CONTROL );
1504 :
1505 36793 : rA.AddPoint( p2->x, p2->y, POLY_NORMAL );
1506 36793 : return 0;
1507 : }
1508 :
1509 279 : static int FT_cubic_to( FT_Vector_CPtr p1, FT_Vector_CPtr p2, FT_Vector_CPtr p3, void* vpPolyArgs )
1510 : {
1511 279 : PolyArgs& rA = *static_cast<PolyArgs*>(vpPolyArgs);
1512 279 : rA.AddPoint( p1->x, p1->y, POLY_CONTROL );
1513 279 : rA.AddPoint( p2->x, p2->y, POLY_CONTROL );
1514 279 : rA.AddPoint( p3->x, p3->y, POLY_NORMAL );
1515 279 : return 0;
1516 : }
1517 :
1518 : } // extern "C"
1519 :
1520 3493 : bool ServerFont::GetGlyphOutline( sal_GlyphId aGlyphId,
1521 : ::basegfx::B2DPolyPolygon& rB2DPolyPoly ) const
1522 : {
1523 3493 : if( maSizeFT )
1524 3493 : FT_Activate_Size( maSizeFT );
1525 :
1526 3493 : rB2DPolyPoly.clear();
1527 :
1528 : int nGlyphFlags;
1529 3493 : SplitGlyphFlags( *this, aGlyphId, nGlyphFlags );
1530 :
1531 3493 : FT_Int nLoadFlags = FT_LOAD_DEFAULT | FT_LOAD_IGNORE_TRANSFORM;
1532 :
1533 : #ifdef FT_LOAD_TARGET_LIGHT
1534 : // enable "light hinting" if available
1535 3493 : nLoadFlags |= FT_LOAD_TARGET_LIGHT;
1536 : #endif
1537 :
1538 3493 : FT_Error rc = FT_Load_Glyph( maFaceFT, aGlyphId, nLoadFlags );
1539 3493 : if( rc != FT_Err_Ok )
1540 0 : return false;
1541 :
1542 3493 : if (mbArtBold)
1543 0 : FT_GlyphSlot_Embolden(maFaceFT->glyph);
1544 :
1545 : FT_Glyph pGlyphFT;
1546 3493 : rc = FT_Get_Glyph( maFaceFT->glyph, &pGlyphFT );
1547 3493 : if( rc != FT_Err_Ok )
1548 0 : return false;
1549 :
1550 3493 : if( pGlyphFT->format != FT_GLYPH_FORMAT_OUTLINE )
1551 : {
1552 0 : FT_Done_Glyph( pGlyphFT );
1553 0 : return false;
1554 : }
1555 :
1556 3493 : if( mbArtItalic )
1557 : {
1558 : FT_Matrix aMatrix;
1559 0 : aMatrix.xx = aMatrix.yy = 0x10000L;
1560 0 : aMatrix.xy = 0x6000L, aMatrix.yx = 0;
1561 0 : FT_Glyph_Transform( pGlyphFT, &aMatrix, NULL );
1562 : }
1563 :
1564 3493 : FT_Outline& rOutline = reinterpret_cast<FT_OutlineGlyphRec*>(pGlyphFT)->outline;
1565 3493 : if( !rOutline.n_points ) // blank glyphs are ok
1566 : {
1567 117 : FT_Done_Glyph( pGlyphFT );
1568 117 : return true;
1569 : }
1570 :
1571 3376 : long nMaxPoints = 1 + rOutline.n_points * 3;
1572 3376 : tools::PolyPolygon aToolPolyPolygon;
1573 6752 : PolyArgs aPolyArg( aToolPolyPolygon, nMaxPoints );
1574 :
1575 3376 : /*int nAngle =*/ ApplyGlyphTransform( nGlyphFlags, pGlyphFT, false );
1576 :
1577 : FT_Outline_Funcs aFuncs;
1578 3376 : aFuncs.move_to = &FT_move_to;
1579 3376 : aFuncs.line_to = &FT_line_to;
1580 3376 : aFuncs.conic_to = &FT_conic_to;
1581 3376 : aFuncs.cubic_to = &FT_cubic_to;
1582 3376 : aFuncs.shift = 0;
1583 3376 : aFuncs.delta = 0;
1584 3376 : rc = FT_Outline_Decompose( &rOutline, &aFuncs, static_cast<void*>(&aPolyArg) );
1585 3376 : aPolyArg.ClosePolygon(); // close last polygon
1586 3376 : FT_Done_Glyph( pGlyphFT );
1587 :
1588 : // convert to basegfx polypolygon
1589 : // TODO: get rid of the intermediate tools polypolygon
1590 3376 : rB2DPolyPoly = aToolPolyPolygon.getB2DPolyPolygon();
1591 3376 : rB2DPolyPoly.transform(basegfx::tools::createScaleB2DHomMatrix( +1.0/(1<<6), -1.0/(1<<6) ));
1592 :
1593 6752 : return true;
1594 : }
1595 :
1596 5931 : bool ServerFont::ApplyGSUB( const FontSelectPattern& rFSD )
1597 : {
1598 : #define MKTAG(s) ((((((s[0]<<8)+s[1])<<8)+s[2])<<8)+s[3])
1599 :
1600 : typedef std::vector<sal_uLong> ReqFeatureTagList;
1601 5931 : ReqFeatureTagList aReqFeatureTagList;
1602 5931 : if( rFSD.mbVertical )
1603 7 : aReqFeatureTagList.push_back( MKTAG("vert") );
1604 : // TODO: request more features depending on script and language system
1605 :
1606 5931 : if( aReqFeatureTagList.empty()) // nothing to do
1607 5924 : return true;
1608 :
1609 : // load GSUB table into memory
1610 7 : sal_uLong nLength = 0;
1611 7 : const FT_Byte* const pGsubBase = mpFontInfo->GetTable( "GSUB", &nLength );
1612 7 : if( !pGsubBase )
1613 0 : return false;
1614 :
1615 : // parse GSUB header
1616 7 : const FT_Byte* pGsubHeader = pGsubBase;
1617 7 : const sal_uInt16 nOfsScriptList = GetUShort( pGsubHeader+4 );
1618 7 : const sal_uInt16 nOfsFeatureTable = GetUShort( pGsubHeader+6 );
1619 7 : const sal_uInt16 nOfsLookupList = GetUShort( pGsubHeader+8 );
1620 7 : pGsubHeader += 10;
1621 :
1622 : typedef std::vector<sal_uInt16> UshortList;
1623 14 : UshortList aFeatureIndexList;
1624 :
1625 : // parse Script Table
1626 7 : const FT_Byte* pScriptHeader = pGsubBase + nOfsScriptList;
1627 7 : const sal_uInt16 nCntScript = GetUShort( pScriptHeader+0 );
1628 7 : pScriptHeader += 2;
1629 30 : for( sal_uInt16 nScriptIndex = 0; nScriptIndex < nCntScript; ++nScriptIndex )
1630 : {
1631 23 : const sal_uInt16 nOfsScriptTable= GetUShort( pScriptHeader+4 );
1632 23 : pScriptHeader += 6;
1633 :
1634 23 : const FT_Byte* pScriptTable = pGsubBase + nOfsScriptList + nOfsScriptTable;
1635 23 : const sal_uInt16 nDefaultLangsysOfs = GetUShort( pScriptTable+0 );
1636 23 : const sal_uInt16 nCntLangSystem = GetUShort( pScriptTable+2 );
1637 23 : pScriptTable += 4;
1638 23 : sal_uInt16 nLangsysOffset = 0;
1639 :
1640 23 : if (nCntLangSystem != 0)
1641 : {
1642 12 : nLangsysOffset = GetUShort( pScriptTable+4 );
1643 : }
1644 :
1645 23 : if (nDefaultLangsysOfs != 0 && nDefaultLangsysOfs != nLangsysOffset)
1646 : {
1647 21 : const FT_Byte* pLangSys = pGsubBase + nOfsScriptList + nOfsScriptTable + nDefaultLangsysOfs;
1648 21 : const sal_uInt16 nReqFeatureIdx = GetUShort( pLangSys+2 );
1649 21 : const sal_uInt16 nCntFeature = GetUShort( pLangSys+4 );
1650 21 : pLangSys += 6;
1651 21 : aFeatureIndexList.push_back( nReqFeatureIdx );
1652 339 : for( sal_uInt16 i = 0; i < nCntFeature; ++i )
1653 : {
1654 318 : const sal_uInt16 nFeatureIndex = GetUShort( pLangSys );
1655 318 : pLangSys += 2;
1656 318 : aFeatureIndexList.push_back( nFeatureIndex );
1657 : }
1658 : }
1659 :
1660 23 : if( nLangsysOffset != 0 )
1661 : {
1662 12 : const FT_Byte* pLangSys = pGsubBase + nOfsScriptList + nOfsScriptTable + nLangsysOffset;
1663 12 : const sal_uInt16 nReqFeatureIdx = GetUShort( pLangSys+2 );
1664 12 : const sal_uInt16 nCntFeature = GetUShort( pLangSys+4 );
1665 12 : pLangSys += 6;
1666 12 : aFeatureIndexList.push_back( nReqFeatureIdx );
1667 159 : for( sal_uInt16 i = 0; i < nCntFeature; ++i )
1668 : {
1669 147 : const sal_uInt16 nFeatureIndex = GetUShort( pLangSys );
1670 147 : pLangSys += 2;
1671 147 : aFeatureIndexList.push_back( nFeatureIndex );
1672 : }
1673 : }
1674 : }
1675 :
1676 7 : if( aFeatureIndexList.empty() )
1677 0 : return true;
1678 :
1679 14 : UshortList aLookupIndexList;
1680 14 : UshortList aLookupOffsetList;
1681 :
1682 : // parse Feature Table
1683 7 : const FT_Byte* pFeatureHeader = pGsubBase + nOfsFeatureTable;
1684 7 : const sal_uInt16 nCntFeature = GetUShort( pFeatureHeader );
1685 7 : pFeatureHeader += 2;
1686 695 : for( sal_uInt16 nFeatureIndex = 0; nFeatureIndex < nCntFeature; ++nFeatureIndex )
1687 : {
1688 688 : const sal_uLong nTag = GetUInt( pFeatureHeader+0 ); // e.g. locl/vert/trad/smpl/liga/fina/...
1689 688 : const sal_uInt16 nOffset= GetUShort( pFeatureHeader+4 );
1690 688 : pFeatureHeader += 6;
1691 :
1692 : // short circuit some feature lookups
1693 688 : if( aFeatureIndexList[0] != nFeatureIndex ) // required feature?
1694 : {
1695 688 : const int nRequested = std::count( aFeatureIndexList.begin(), aFeatureIndexList.end(), nFeatureIndex);
1696 688 : if( !nRequested ) // ignore features that are not requested
1697 913 : continue;
1698 463 : const int nAvailable = std::count( aReqFeatureTagList.begin(), aReqFeatureTagList.end(), nTag);
1699 463 : if( !nAvailable ) // some fonts don't provide features they request!
1700 463 : continue;
1701 : }
1702 :
1703 0 : const FT_Byte* pFeatureTable = pGsubBase + nOfsFeatureTable + nOffset;
1704 0 : const sal_uInt16 nCntLookups = GetUShort( pFeatureTable+0 );
1705 0 : pFeatureTable += 2;
1706 0 : for( sal_uInt16 i = 0; i < nCntLookups; ++i )
1707 : {
1708 0 : const sal_uInt16 nLookupIndex = GetUShort( pFeatureTable );
1709 0 : pFeatureTable += 2;
1710 0 : aLookupIndexList.push_back( nLookupIndex );
1711 : }
1712 0 : if( nCntLookups == 0 ) //### hack needed by Mincho/Gothic/Mingliu/Simsun/...
1713 0 : aLookupIndexList.push_back( 0 );
1714 : }
1715 :
1716 : // parse Lookup List
1717 7 : const FT_Byte* pLookupHeader = pGsubBase + nOfsLookupList;
1718 7 : const sal_uInt16 nCntLookupTable = GetUShort( pLookupHeader );
1719 7 : pLookupHeader += 2;
1720 219 : for( sal_uInt16 nLookupIdx = 0; nLookupIdx < nCntLookupTable; ++nLookupIdx )
1721 : {
1722 212 : const sal_uInt16 nOffset = GetUShort( pLookupHeader );
1723 212 : pLookupHeader += 2;
1724 212 : if( std::count( aLookupIndexList.begin(), aLookupIndexList.end(), nLookupIdx ) )
1725 0 : aLookupOffsetList.push_back( nOffset );
1726 : }
1727 :
1728 7 : UshortList::const_iterator lookup_it = aLookupOffsetList.begin();
1729 7 : for(; lookup_it != aLookupOffsetList.end(); ++lookup_it )
1730 : {
1731 0 : const sal_uInt16 nOfsLookupTable = *lookup_it;
1732 0 : const FT_Byte* pLookupTable = pGsubBase + nOfsLookupList + nOfsLookupTable;
1733 0 : const sal_uInt16 eLookupType = GetUShort( pLookupTable+0 );
1734 0 : const sal_uInt16 nCntLookupSubtable = GetUShort( pLookupTable+4 );
1735 0 : pLookupTable += 6;
1736 :
1737 : // TODO: switch( eLookupType )
1738 0 : if( eLookupType != 1 ) // TODO: once we go beyond SingleSubst
1739 0 : continue;
1740 :
1741 0 : for( sal_uInt16 nSubTableIdx = 0; nSubTableIdx < nCntLookupSubtable; ++nSubTableIdx )
1742 : {
1743 0 : const sal_uInt16 nOfsSubLookupTable = GetUShort( pLookupTable );
1744 0 : pLookupTable += 2;
1745 0 : const FT_Byte* pSubLookup = pGsubBase + nOfsLookupList + nOfsLookupTable + nOfsSubLookupTable;
1746 :
1747 0 : const sal_uInt16 nFmtSubstitution = GetUShort( pSubLookup+0 );
1748 0 : const sal_uInt16 nOfsCoverage = GetUShort( pSubLookup+2 );
1749 0 : pSubLookup += 4;
1750 :
1751 : typedef std::pair<sal_uInt16,sal_uInt16> GlyphSubst;
1752 : typedef std::vector<GlyphSubst> SubstVector;
1753 0 : SubstVector aSubstVector;
1754 :
1755 0 : const FT_Byte* pCoverage = pGsubBase + nOfsLookupList + nOfsLookupTable + nOfsSubLookupTable + nOfsCoverage;
1756 0 : const sal_uInt16 nFmtCoverage = GetUShort( pCoverage+0 );
1757 0 : pCoverage += 2;
1758 0 : switch( nFmtCoverage )
1759 : {
1760 : case 1: // Coverage Format 1
1761 : {
1762 0 : const sal_uInt16 nCntGlyph = GetUShort( pCoverage );
1763 0 : pCoverage += 2;
1764 0 : aSubstVector.reserve( nCntGlyph );
1765 0 : for( sal_uInt16 i = 0; i < nCntGlyph; ++i )
1766 : {
1767 0 : const sal_uInt16 nGlyphId = GetUShort( pCoverage );
1768 0 : pCoverage += 2;
1769 0 : aSubstVector.push_back( GlyphSubst( nGlyphId, 0 ) );
1770 : }
1771 : }
1772 0 : break;
1773 :
1774 : case 2: // Coverage Format 2
1775 : {
1776 0 : const sal_uInt16 nCntRange = GetUShort( pCoverage );
1777 0 : pCoverage += 2;
1778 0 : for( int i = nCntRange; --i >= 0; )
1779 : {
1780 0 : const sal_uInt32 nGlyph0 = GetUShort( pCoverage+0 );
1781 0 : const sal_uInt32 nGlyph1 = GetUShort( pCoverage+2 );
1782 0 : const sal_uInt16 nCovIdx = GetUShort( pCoverage+4 );
1783 0 : pCoverage += 6;
1784 0 : for( sal_uInt32 j = nGlyph0; j <= nGlyph1; ++j )
1785 0 : aSubstVector.push_back( GlyphSubst( static_cast<sal_uInt16>(j + nCovIdx), 0 ) );
1786 : }
1787 : }
1788 0 : break;
1789 : }
1790 :
1791 0 : SubstVector::iterator it( aSubstVector.begin() );
1792 :
1793 0 : switch( nFmtSubstitution )
1794 : {
1795 : case 1: // Single Substitution Format 1
1796 : {
1797 0 : const sal_uInt16 nDeltaGlyphId = GetUShort( pSubLookup );
1798 0 : for(; it != aSubstVector.end(); ++it )
1799 0 : (*it).second = (*it).first + nDeltaGlyphId;
1800 : }
1801 0 : break;
1802 :
1803 : case 2: // Single Substitution Format 2
1804 : {
1805 0 : const sal_uInt16 nCntGlyph = GetUShort( pSubLookup );
1806 0 : pSubLookup += 2;
1807 0 : for( int i = nCntGlyph; (it != aSubstVector.end()) && (--i>=0); ++it )
1808 : {
1809 0 : const sal_uInt16 nGlyphId = GetUShort( pSubLookup );
1810 0 : pSubLookup += 2;
1811 0 : (*it).second = nGlyphId;
1812 : }
1813 : }
1814 0 : break;
1815 : }
1816 :
1817 : DBG_ASSERT( (it == aSubstVector.end()), "lookup<->coverage table mismatch" );
1818 : // now apply the glyph substitutions that have been collected in this subtable
1819 0 : for( it = aSubstVector.begin(); it != aSubstVector.end(); ++it )
1820 0 : maGlyphSubstitution[ (*it).first ] = (*it).second;
1821 0 : }
1822 : }
1823 :
1824 5938 : return true;
1825 : }
1826 :
1827 14115 : const unsigned char* ServerFont::GetTable(const char* pName, sal_uLong* pLength)
1828 : {
1829 14115 : return mpFontInfo->GetTable( pName, pLength );
1830 : }
1831 :
1832 : #if ENABLE_GRAPHITE
1833 3301 : GraphiteFaceWrapper* ServerFont::GetGraphiteFace() const
1834 : {
1835 3301 : return mpFontInfo->GetGraphiteFace();
1836 801 : }
1837 : #endif
1838 :
1839 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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