1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 // MARKER(update_precomp.py): autogen include statement, do not remove 23 #include "precompiled_vcl.hxx" 24 25 #include "impfont.hxx" 26 #include "outfont.hxx" 27 #include "sallayout.hxx" 28 29 #include "aqua/salinst.h" 30 #include "aqua/saldata.hxx" 31 #include "aqua/salgdi.h" 32 #include "ctfonts.hxx" 33 34 #include "basegfx/polygon/b2dpolygon.hxx" 35 #include "basegfx/matrix/b2dhommatrix.hxx" 36 37 #ifndef DISABLE_CORETEXT_DYNLOAD 38 #include <dlfcn.h> 39 #endif 40 41 // ======================================================================= 42 43 // CoreText specific physically available font face 44 class CTFontData 45 : public ImplMacFontData 46 { 47 public: 48 explicit CTFontData( const ImplDevFontAttributes&, sal_IntPtr nFontId ); 49 virtual ~CTFontData( void ); 50 virtual ImplFontData* Clone( void ) const; 51 52 virtual ImplMacTextStyle* CreateMacTextStyle( const ImplFontSelectData& ) const; 53 virtual ImplFontEntry* CreateFontInstance( /*const*/ ImplFontSelectData& ) const; 54 virtual int GetFontTable( const char pTagName[5], unsigned char* ) const; 55 }; 56 57 // ======================================================================= 58 59 class CTFontList 60 : public SystemFontList 61 { 62 public: 63 explicit CTFontList( void ); 64 virtual ~CTFontList( void ); 65 66 bool Init( void ); 67 void AddFont( CTFontData* ); 68 69 virtual void AnnounceFonts( ImplDevFontList& ) const; 70 virtual ImplMacFontData* GetFontDataFromId( sal_IntPtr ) const; 71 72 private: 73 CTFontCollectionRef mpCTFontCollection; 74 CFArrayRef mpCTFontArray; 75 76 typedef std::hash_map<sal_IntPtr,CTFontData*> CTFontContainer; 77 CTFontContainer maFontContainer; 78 }; 79 80 // ======================================================================= 81 82 CTTextStyle::CTTextStyle( const ImplFontSelectData& rFSD ) 83 : ImplMacTextStyle( rFSD ) 84 , mpStyleDict( NULL ) 85 { 86 mpFontData = (CTFontData*)rFSD.mpFontData; 87 const ImplFontSelectData* const pReqFont = &rFSD; 88 89 double fScaledFontHeight = pReqFont->mfExactHeight; 90 #if 0 // TODO: does CoreText need font size limiting??? 91 static const float fMaxFontHeight = 144.0; // TODO: is there a limit for CoreText? 92 if( fScaledFontHeight > fMaxFontHeight ) 93 { 94 mfFontScale = fScaledFontHeight / fMaxFontHeight; 95 fScaledFontHeight = fMaxFontHeight; 96 } 97 #endif 98 99 // convert font rotation to radian 100 mfFontRotation = pReqFont->mnOrientation * (M_PI / 1800.0); 101 102 // handle font stretching if any 103 const CGAffineTransform* pMatrix = NULL; 104 CGAffineTransform aMatrix; 105 if( (pReqFont->mnWidth != 0) && (pReqFont->mnWidth != pReqFont->mnHeight) ) 106 { 107 mfFontStretch = (float)pReqFont->mnWidth / pReqFont->mnHeight; 108 aMatrix = CGAffineTransformMakeScale( mfFontStretch, 1.0F ); 109 pMatrix = &aMatrix; 110 } 111 112 // handle emulation of italic/oblique styles if requested and the font doesn't provide them 113 if( ((pReqFont->meItalic == ITALIC_NORMAL) || (pReqFont->meItalic == ITALIC_OBLIQUE)) 114 && (mpFontData->meItalic == ITALIC_NONE)) 115 { 116 if( !pMatrix) 117 pMatrix = &(aMatrix = CGAffineTransformIdentity); 118 aMatrix = CGAffineTransformConcat(aMatrix, CGAffineTransformMake( 1, 0, 0.375F, 1, 0, 0)); 119 } 120 121 // create the style object for CoreText font attributes 122 static const CFIndex nMaxDictSize = 16; // TODO: does this really suffice? 123 mpStyleDict = CFDictionaryCreateMutable( NULL, nMaxDictSize, 124 &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks ); 125 126 // set some default styles: no kerning, regular ligatures 127 static const CGFloat fValZero = 0.0; 128 CFNumberRef pCFFloatNumZero = CFNumberCreate( NULL, kCFNumberFloatType, &fValZero ); 129 CFDictionarySetValue( mpStyleDict, kCTKernAttributeName, pCFFloatNumZero ); 130 CFRelease( pCFFloatNumZero); 131 static const int nValOne = 1; 132 CFNumberRef pCFIntNumOne = CFNumberCreate( NULL, kCFNumberIntType, &nValOne ); 133 CFDictionarySetValue( mpStyleDict, kCTLigatureAttributeName, pCFIntNumOne ); 134 CFRelease( pCFIntNumOne); 135 CFBooleanRef pCFVertBool = pReqFont->mbVertical ? kCFBooleanTrue : kCFBooleanFalse; 136 CFDictionarySetValue( mpStyleDict, kCTVerticalFormsAttributeName, pCFVertBool ); 137 138 CTFontDescriptorRef pFontDesc = (CTFontDescriptorRef)mpFontData->GetFontId(); 139 CTFontRef pNewCTFont = CTFontCreateWithFontDescriptor( pFontDesc, fScaledFontHeight, pMatrix ); 140 CFDictionarySetValue( mpStyleDict, kCTFontAttributeName, pNewCTFont ); 141 CFRelease( pNewCTFont); 142 143 // handle emulation of bold styles if requested and the font that doesn't provide them 144 if( (pReqFont->meWeight > WEIGHT_MEDIUM) 145 && (mpFontData->meWeight <= WEIGHT_MEDIUM) 146 && (mpFontData->meWeight != WEIGHT_DONTKNOW)) 147 { 148 const int nBoldFactor = -lrint( (3.5F * pReqFont->meWeight) / mpFontData->meWeight); 149 CFNumberRef pCFIntBold = CFNumberCreate( NULL, kCFNumberIntType, &nBoldFactor); 150 CFDictionarySetValue( mpStyleDict, kCTStrokeWidthAttributeName, pCFIntBold); 151 } 152 153 #if 0 // LastResort is implicit in CoreText's font cascading 154 const void* aGFBDescriptors[] = { CTFontDescriptorCreateWithNameAndSize( CFSTR("LastResort"), 0) }; // TODO: use the full GFB list 155 const int nGfbCount = sizeof(aGFBDescriptors) / sizeof(*aGFBDescriptors); 156 CFArrayRef pGfbList = CFArrayCreate( NULL, aGFBDescriptors, nGfbCount, &kCFTypeArrayCallBacks); 157 CFDictionaryAddValue( mpStyleDict, kCTFontCascadeListAttribute, pGfbList); 158 CFRelease( pGfbList); 159 #endif 160 } 161 162 // ----------------------------------------------------------------------- 163 164 CTTextStyle::~CTTextStyle( void ) 165 { 166 if( mpStyleDict ) 167 CFRelease( mpStyleDict ); 168 } 169 170 // ----------------------------------------------------------------------- 171 172 void CTTextStyle::GetFontMetric( float fDPIY, ImplFontMetricData& rMetric ) const 173 { 174 // get the matching CoreText font handle 175 // TODO: is it worth it to cache the CTFontRef in SetFont() and reuse it here? 176 CTFontRef aCTFontRef = (CTFontRef)CFDictionaryGetValue( mpStyleDict, kCTFontAttributeName ); 177 178 const double fPixelSize = (mfFontScale * fDPIY); 179 rMetric.mnAscent = lrint( CTFontGetAscent( aCTFontRef ) * fPixelSize); 180 rMetric.mnDescent = lrint( CTFontGetDescent( aCTFontRef ) * fPixelSize); 181 rMetric.mnIntLeading = lrint( CTFontGetLeading( aCTFontRef ) * fPixelSize); 182 rMetric.mnExtLeading = 0; 183 // since ImplFontMetricData::mnWidth is only used for stretching/squeezing fonts 184 // setting this width to the pixel height of the fontsize is good enough 185 // it also makes the calculation of the stretch factor simple 186 rMetric.mnWidth = lrint( CTFontGetSize( aCTFontRef ) * fPixelSize * mfFontStretch); 187 188 // all CoreText fonts are scalable 189 rMetric.mbScalableFont = true; 190 // TODO: check if any kerning is supported 191 rMetric.mbKernableFont = true; 192 } 193 194 // ----------------------------------------------------------------------- 195 196 bool CTTextStyle::GetGlyphBoundRect( sal_GlyphId aGlyphId, Rectangle& rRect ) const 197 { 198 const DynCoreTextSyms& rCT = DynCoreTextSyms::get(); 199 CGGlyph nCGGlyph = aGlyphId & GF_IDXMASK; // NOTE: CoreText handles glyph fallback itself 200 CTFontRef aCTFontRef = (CTFontRef)CFDictionaryGetValue( mpStyleDict, kCTFontAttributeName ); 201 202 const CTFontOrientation aFontOrientation = kCTFontDefaultOrientation; // TODO: horz/vert 203 const CGRect aCGRect = rCT.FontGetBoundingRectsForGlyphs( aCTFontRef, aFontOrientation, &nCGGlyph, NULL, 1 ); 204 205 rRect.Left() = lrint( mfFontScale * aCGRect.origin.x ); 206 rRect.Top() = lrint( mfFontScale * aCGRect.origin.y ); 207 rRect.Right() = lrint( mfFontScale * (aCGRect.origin.x + aCGRect.size.width) ); 208 rRect.Bottom() = lrint( mfFontScale * (aCGRect.origin.y + aCGRect.size.height) ); 209 return true; 210 } 211 212 // ----------------------------------------------------------------------- 213 214 // callbacks from CTFontCreatePathForGlyph+CGPathApply for GetGlyphOutline() 215 struct GgoData { basegfx::B2DPolygon maPolygon; basegfx::B2DPolyPolygon* mpPolyPoly; }; 216 217 static void MyCGPathApplierFunc( void* pData, const CGPathElement* pElement ) 218 { 219 basegfx::B2DPolygon& rPolygon = static_cast<GgoData*>(pData)->maPolygon; 220 const int nPointCount = rPolygon.count(); 221 222 switch( pElement->type ) 223 { 224 case kCGPathElementCloseSubpath: 225 case kCGPathElementMoveToPoint: 226 if( nPointCount > 0 ) { 227 static_cast<GgoData*>(pData)->mpPolyPoly->append( rPolygon ); 228 rPolygon.clear(); 229 } 230 // fall through for kCGPathElementMoveToPoint: 231 if( pElement->type != kCGPathElementMoveToPoint ) 232 break; 233 case kCGPathElementAddLineToPoint: 234 rPolygon.append( basegfx::B2DPoint( +pElement->points[0].x, -pElement->points[0].y ) ); 235 break; 236 case kCGPathElementAddCurveToPoint: 237 rPolygon.append( basegfx::B2DPoint( +pElement->points[2].x, -pElement->points[2].y ) ); 238 rPolygon.setNextControlPoint( nPointCount-1, basegfx::B2DPoint( pElement->points[0].x, -pElement->points[0].y ) ); 239 rPolygon.setPrevControlPoint( nPointCount+0, basegfx::B2DPoint( pElement->points[1].x, -pElement->points[1].y ) ); 240 break; 241 case kCGPathElementAddQuadCurveToPoint: { 242 const basegfx::B2DPoint aStartPt = rPolygon.getB2DPoint( nPointCount-1 ); 243 const basegfx::B2DPoint aCtrPt1( (aStartPt.getX() + 2* pElement->points[0].x) / 3.0, 244 (aStartPt.getY() - 2 * pElement->points[0].y) / 3.0 ); 245 const basegfx::B2DPoint aCtrPt2( (+2 * +pElement->points[0].x + pElement->points[1].x) / 3.0, 246 (-2 * pElement->points[0].y - pElement->points[1].y) / 3.0 ); 247 rPolygon.append( basegfx::B2DPoint( +pElement->points[1].x, -pElement->points[1].y ) ); 248 rPolygon.setNextControlPoint( nPointCount-1, aCtrPt1 ); 249 rPolygon.setPrevControlPoint( nPointCount+0, aCtrPt2 ); 250 } break; 251 } 252 } 253 254 bool CTTextStyle::GetGlyphOutline( sal_GlyphId aGlyphId, basegfx::B2DPolyPolygon& rResult ) const 255 { 256 rResult.clear(); 257 258 const DynCoreTextSyms& rCT = DynCoreTextSyms::get(); 259 // TODO: GF_FONTMASK if using non-native glyph fallback 260 CGGlyph nCGGlyph = aGlyphId & GF_IDXMASK; 261 CTFontRef pCTFont = (CTFontRef)CFDictionaryGetValue( mpStyleDict, kCTFontAttributeName ); 262 CGPathRef xPath = rCT.FontCreatePathForGlyph( pCTFont, nCGGlyph, NULL ); 263 264 GgoData aGgoData; 265 aGgoData.mpPolyPoly = &rResult; 266 CGPathApply( xPath, (void*)&aGgoData, MyCGPathApplierFunc ); 267 #if 0 // TODO: does OSX ensure that the last polygon is always closed? 268 const CGPathElement aClosingElement = { kCGPathElementCloseSubpath, NULL }; 269 MyCGPathApplierFunc( (void*)&aGgoData, &aClosingElement ); 270 #endif 271 272 // apply the font scale 273 if( mfFontScale != 1.0 ) { 274 basegfx::B2DHomMatrix aScale; 275 aScale.scale( +mfFontScale, +mfFontScale ); 276 rResult.transform( aScale ); 277 } 278 279 return true; 280 } 281 282 // ----------------------------------------------------------------------- 283 284 void CTTextStyle::SetTextColor( const RGBAColor& rColor ) 285 { 286 #if (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) 287 CGColorRef pCGColor = CGColorCreateGenericRGB( rColor.GetRed(), 288 rColor.GetGreen(), rColor.GetBlue(), rColor.GetAlpha() ); 289 #else // for builds on OSX 10.4 SDK 290 const CGColorSpaceRef pCGColorSpace = GetSalData()->mxRGBSpace; 291 CGColorRef pCGColor = CGColorCreate( pCGColorSpace, rColor.AsArray() ); 292 #endif 293 CFDictionarySetValue( mpStyleDict, kCTForegroundColorAttributeName, pCGColor ); 294 CFRelease( pCGColor); 295 } 296 297 // ======================================================================= 298 299 CTFontData::CTFontData( const ImplDevFontAttributes& rDFA, sal_IntPtr nFontId ) 300 : ImplMacFontData( rDFA, nFontId ) 301 {} 302 303 // ----------------------------------------------------------------------- 304 305 CTFontData::~CTFontData( void ) 306 { 307 // TODO: any resources to release? 308 } 309 310 // ----------------------------------------------------------------------- 311 312 ImplFontData* CTFontData::Clone( void ) const 313 { 314 return new CTFontData( *this); 315 } 316 317 // ----------------------------------------------------------------------- 318 319 ImplMacTextStyle* CTFontData::CreateMacTextStyle( const ImplFontSelectData& rFSD ) const 320 { 321 return new CTTextStyle( rFSD); 322 } 323 324 // ----------------------------------------------------------------------- 325 326 ImplFontEntry* CTFontData::CreateFontInstance( /*const*/ ImplFontSelectData& rFSD ) const 327 { 328 return new ImplFontEntry( rFSD); 329 } 330 331 // ----------------------------------------------------------------------- 332 333 int CTFontData::GetFontTable( const char pTagName[5], unsigned char* pResultBuf ) const 334 { 335 DBG_ASSERT( pTagName[4]=='\0', "CTFontData::GetFontTable with invalid tagname!\n" ); 336 337 const CTFontTableTag nTagCode = (pTagName[0]<<24) + (pTagName[1]<<16) + (pTagName[2]<<8) + (pTagName[3]<<0); 338 339 // get the raw table length 340 CTFontDescriptorRef pFontDesc = reinterpret_cast<CTFontDescriptorRef>( GetFontId()); 341 CTFontRef rCTFont = CTFontCreateWithFontDescriptor( pFontDesc, 0.0, NULL); 342 CFDataRef pDataRef = CTFontCopyTable( rCTFont, nTagCode, kCTFontTableOptionExcludeSynthetic); 343 CFRelease( rCTFont); 344 if( !pDataRef) 345 return 0; 346 347 const CFIndex nByteLength = CFDataGetLength( pDataRef); 348 349 // get the raw table data if requested 350 if( pResultBuf && (nByteLength > 0)) 351 { 352 const CFRange aFullRange = CFRangeMake( 0, nByteLength); 353 CFDataGetBytes( pDataRef, aFullRange, (UInt8*)pResultBuf); 354 } 355 356 CFRelease( pDataRef); 357 358 return (int)nByteLength; 359 } 360 361 // ======================================================================= 362 363 static void CTFontEnumCallBack( const void* pValue, void* pContext ) 364 { 365 CTFontDescriptorRef pFD = static_cast<CTFontDescriptorRef>(pValue); 366 367 // all CoreText fonts are device fonts that can rotate just fine 368 ImplDevFontAttributes rDFA; 369 rDFA.mbOrientation = true; 370 rDFA.mbDevice = true; 371 rDFA.mnQuality = 0; 372 373 // reset the font attributes 374 rDFA.meFamily = FAMILY_DONTKNOW; 375 rDFA.mePitch = PITCH_VARIABLE; 376 rDFA.meWidthType = WIDTH_NORMAL; 377 rDFA.meWeight = WEIGHT_NORMAL; 378 rDFA.meItalic = ITALIC_NONE; 379 rDFA.mbSymbolFlag = false; 380 381 // all scalable fonts on this platform are subsettable 382 rDFA.mbEmbeddable = false; 383 rDFA.mbSubsettable = true; 384 385 // get font name 386 // TODO: use kCTFontDisplayNameAttribute instead??? 387 CFStringRef pFamilyName = (CFStringRef)CTFontDescriptorCopyAttribute( pFD, kCTFontFamilyNameAttribute ); 388 rDFA.maName = GetOUString( pFamilyName ); 389 // get font style 390 CFStringRef pStyleName = (CFStringRef)CTFontDescriptorCopyAttribute( pFD, kCTFontStyleNameAttribute ); 391 rDFA.maStyleName = GetOUString( pStyleName ); 392 393 // get font-enabled status 394 int bFontEnabled = FALSE; 395 CFNumberRef pFontEnabled = (CFNumberRef)CTFontDescriptorCopyAttribute( pFD, kCTFontEnabledAttribute ); 396 CFNumberGetValue( pFontEnabled, kCFNumberIntType, &bFontEnabled ); 397 398 // get font attributes 399 CFDictionaryRef pAttrDict = (CFDictionaryRef)CTFontDescriptorCopyAttribute( pFD, kCTFontTraitsAttribute ); 400 401 // get symbolic trait 402 // TODO: use other traits such as MonoSpace/Condensed/Expanded or Vertical too 403 SInt64 nSymbolTrait = 0; 404 CFNumberRef pSymbolNum = NULL; 405 if( CFDictionaryGetValueIfPresent( pAttrDict, kCTFontSymbolicTrait, (const void**)&pSymbolNum ) ) { 406 CFNumberGetValue( pSymbolNum, kCFNumberSInt64Type, &nSymbolTrait ); 407 rDFA.mbSymbolFlag = ((nSymbolTrait & kCTFontClassMaskTrait) == kCTFontSymbolicClass); 408 } 409 410 // get the font weight 411 double fWeight = 0; 412 CFNumberRef pWeightNum = (CFNumberRef)CFDictionaryGetValue( pAttrDict, kCTFontWeightTrait ); 413 CFNumberGetValue( pWeightNum, kCFNumberDoubleType, &fWeight ); 414 int nInt = WEIGHT_NORMAL; 415 if( fWeight > 0 ) { 416 nInt = rint(WEIGHT_NORMAL + fWeight * ((WEIGHT_BLACK - WEIGHT_NORMAL)/0.68)); 417 if( nInt > WEIGHT_BLACK ) 418 nInt = WEIGHT_BLACK; 419 } else if( fWeight < 0 ) { 420 nInt = rint(WEIGHT_NORMAL + fWeight * ((WEIGHT_NORMAL - WEIGHT_THIN)/0.9)); 421 if( nInt < WEIGHT_THIN ) 422 nInt = WEIGHT_THIN; 423 } 424 rDFA.meWeight = (FontWeight)nInt; 425 426 // get the font slant 427 double fSlant = 0; 428 CFNumberRef pSlantNum = (CFNumberRef)CFDictionaryGetValue( pAttrDict, kCTFontSlantTrait ); 429 CFNumberGetValue( pSlantNum, kCFNumberDoubleType, &fSlant ); 430 if( fSlant >= 0.035 ) 431 rDFA.meItalic = ITALIC_NORMAL; 432 433 // get width trait 434 double fWidth = 0; 435 CFNumberRef pWidthNum = (CFNumberRef)CFDictionaryGetValue( pAttrDict, kCTFontWidthTrait ); 436 CFNumberGetValue( pWidthNum, kCFNumberDoubleType, &fWidth ); 437 nInt = WIDTH_NORMAL; 438 if( fWidth > 0 ) { 439 nInt = rint( WIDTH_NORMAL + fWidth * ((WIDTH_ULTRA_EXPANDED - WIDTH_NORMAL)/0.4)); 440 if( nInt > WIDTH_ULTRA_EXPANDED ) 441 nInt = WIDTH_ULTRA_EXPANDED; 442 } else if( fWidth < 0 ) { 443 nInt = rint( WIDTH_NORMAL + fWidth * ((WIDTH_NORMAL - WIDTH_ULTRA_CONDENSED)/0.5)); 444 if( nInt < WIDTH_ULTRA_CONDENSED ) 445 nInt = WIDTH_ULTRA_CONDENSED; 446 } 447 rDFA.meWidthType = (FontWidth)nInt; 448 449 // release the attribute dict that we had copied 450 CFRelease( pAttrDict ); 451 452 // TODO? also use the HEAD table if available to get more attributes 453 // CFDataRef CTFontCopyTable( CTFontRef, kCTFontTableHead, /*kCTFontTableOptionNoOptions*/kCTFontTableOptionExcludeSynthetic ); 454 455 #if (OSL_DEBUG_LEVEL >= 1) 456 // update font attributes using the font's postscript name 457 ImplDevFontAttributes rDFA2; 458 CTFontRef pFont = CTFontCreateWithFontDescriptor( pFD, 0.0, NULL ); 459 CFStringRef pPSName = CTFontCopyPostScriptName( pFont ); 460 const String aPSName = GetOUString( pPSName ); 461 462 rDFA2.mbSymbolFlag = false; 463 rDFA2.mePitch = PITCH_VARIABLE; 464 rDFA2.meWidthType = WIDTH_NORMAL; 465 rDFA2.meWeight = WEIGHT_NORMAL; 466 rDFA2.meItalic = ITALIC_NONE; 467 468 UpdateAttributesFromPSName( aPSName, rDFA2 ); 469 CFRelease( pPSName ); 470 CFRelease( pFont ); 471 472 // show the font details and compare the CTFontDescriptor vs. PSName traits 473 char cMatch = (rDFA.mbSymbolFlag==rDFA2.mbSymbolFlag); 474 cMatch &= (rDFA.meWeight==rDFA2.meWeight); 475 cMatch &= ((rDFA.meItalic==ITALIC_NONE) == (rDFA2.meItalic==ITALIC_NONE)); 476 cMatch &= (rDFA.meWidthType==rDFA2.meWidthType); 477 cMatch = cMatch ? '.' : '#'; 478 479 char aFN[256], aSN[256]; 480 CFStringGetCString( pFamilyName, aFN, sizeof(aFN), kCFStringEncodingUTF8 ); 481 CFStringGetCString( pStyleName, aSN, sizeof(aSN), kCFStringEncodingUTF8 ); 482 483 const ByteString aPSCName( aPSName, RTL_TEXTENCODING_UTF8 ); 484 const char* aPN = aPSCName.GetBuffer(); 485 printf("\tCTFont_%d%x%d%d_%c_%d%x%d%d ena=%d s=%02d b=%+.2f i=%+.2f w=%+.2f (\"%s\", \"%s\", \"%s\")\n", 486 (int)rDFA.mbSymbolFlag,(int)rDFA.meWeight,(int)rDFA.meItalic,(int)rDFA.meWidthType, 487 cMatch, 488 (int)rDFA2.mbSymbolFlag,(int)rDFA2.meWeight,(int)rDFA2.meItalic,(int)rDFA2.meWidthType, 489 bFontEnabled, 490 (int)(nSymbolTrait>>kCTFontClassMaskShift),fWeight,fSlant,fWidth,aFN,aSN,aPN); 491 #endif // (OSL_DEBUG_LEVEL >= 1) 492 493 if( bFontEnabled) 494 { 495 const sal_IntPtr nFontId = (sal_IntPtr)pValue; 496 CTFontData* pFontData = new CTFontData( rDFA, nFontId ); 497 CTFontList* pFontList = (CTFontList*)pContext; 498 pFontList->AddFont( pFontData ); 499 } 500 } 501 502 // ======================================================================= 503 504 CTFontList::CTFontList() 505 : mpCTFontCollection( NULL ) 506 , mpCTFontArray( NULL ) 507 {} 508 509 // ----------------------------------------------------------------------- 510 511 CTFontList::~CTFontList() 512 { 513 CTFontContainer::const_iterator it = maFontContainer.begin(); 514 for(; it != maFontContainer.end(); ++it ) 515 delete (*it).second; 516 maFontContainer.clear(); 517 518 if( mpCTFontArray ) 519 CFRelease( mpCTFontArray ); 520 if( mpCTFontCollection ) 521 CFRelease( mpCTFontCollection ); 522 } 523 524 // ----------------------------------------------------------------------- 525 526 void CTFontList::AddFont( CTFontData* pFontData ) 527 { 528 sal_IntPtr nFontId = pFontData->GetFontId(); 529 maFontContainer[ nFontId ] = pFontData; 530 } 531 532 // ----------------------------------------------------------------------- 533 534 void CTFontList::AnnounceFonts( ImplDevFontList& rFontList ) const 535 { 536 CTFontContainer::const_iterator it = maFontContainer.begin(); 537 for(; it != maFontContainer.end(); ++it ) 538 rFontList.Add( (*it).second->Clone() ); 539 } 540 541 // ----------------------------------------------------------------------- 542 543 ImplMacFontData* CTFontList::GetFontDataFromId( sal_IntPtr nFontId ) const 544 { 545 CTFontContainer::const_iterator it = maFontContainer.find( nFontId ); 546 if( it == maFontContainer.end() ) 547 return NULL; 548 return (*it).second; 549 } 550 551 // ----------------------------------------------------------------------- 552 553 bool CTFontList::Init( void ) 554 { 555 #ifndef DISABLE_CORETEXT_DYNLOAD 556 // check availability of the CoreText API 557 const DynCoreTextSyms& rCT = DynCoreTextSyms::get(); 558 if( !rCT.IsActive() ) 559 return false; 560 #endif // DISABLE_CORETEXT_DYNLOAD 561 562 // enumerate available system fonts 563 static const int nMaxDictEntries = 8; 564 CFMutableDictionaryRef pCFDict = CFDictionaryCreateMutable( NULL, 565 nMaxDictEntries, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks ); 566 CFDictionaryAddValue( pCFDict, kCTFontCollectionRemoveDuplicatesOption, kCFBooleanTrue ); 567 mpCTFontCollection = rCT.FontCollectionCreateFromAvailableFonts( pCFDict ); 568 CFRelease( pCFDict ); 569 570 mpCTFontArray = rCT.FontCollectionCreateMatchingFontDescriptors( mpCTFontCollection ); 571 const int nFontCount = CFArrayGetCount( mpCTFontArray ); 572 const CFRange aFullRange = CFRangeMake( 0, nFontCount ); 573 CFArrayApplyFunction( mpCTFontArray, aFullRange, CTFontEnumCallBack, this ); 574 575 return true; 576 } 577 578 // ======================================================================= 579 580 #ifndef DISABLE_CORETEXT_DYNLOAD 581 582 DynCoreTextSyms::DynCoreTextSyms( void ) 583 { 584 mbIsActive = false; 585 586 // check if CoreText has been explicitely disabled 587 const char* pEnvStr = getenv( "SAL_DISABLE_CORETEXT"); 588 if( pEnvStr && (pEnvStr[0] != '0') ) 589 return; 590 591 // check CoreText version 592 GetCoreTextVersion = (uint32_t(*)(void))dlsym( RTLD_DEFAULT, "CTGetCoreTextVersion"); 593 if( !GetCoreTextVersion) return; 594 595 const uint32_t nCTVersion = GetCoreTextVersion(); 596 static const uint32_t mykCTVersionNumber10_5 = 0x00020000; 597 if( nCTVersion < mykCTVersionNumber10_5) 598 return; 599 600 // load CoreText symbols dynamically 601 LineGetTrailingWhitespaceWidth = (double(*)(CTLineRef))dlsym( RTLD_DEFAULT, "CTLineGetTrailingWhitespaceWidth"); 602 if( !LineGetTrailingWhitespaceWidth) return; 603 604 LineCreateJustifiedLine = (CTLineRef(*)(CTLineRef,CGFloat,double))dlsym( RTLD_DEFAULT, "CTLineCreateJustifiedLine"); 605 if( !LineCreateJustifiedLine) return; 606 607 LineGetOffsetForStringIndex = (CGFloat(*)(CTLineRef,CFIndex,CGFloat*))dlsym( RTLD_DEFAULT, "CTLineGetOffsetForStringIndex"); 608 if( !LineGetOffsetForStringIndex) return; 609 610 LineGetGlyphRuns = (CFArrayRef(*)(CTLineRef))dlsym( RTLD_DEFAULT, "CTLineGetGlyphRuns"); 611 if( !LineGetGlyphRuns) return; 612 613 RunGetGlyphCount = (CFIndex(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetGlyphCount"); 614 if( !RunGetGlyphCount) return; 615 616 RunGetGlyphsPtr = (const CGGlyph*(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetGlyphsPtr"); 617 if( !RunGetGlyphsPtr) return; 618 619 RunGetPositionsPtr = (const CGPoint*(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetPositionsPtr"); 620 if( !RunGetPositionsPtr) return; 621 622 RunGetAdvancesPtr = (const CGSize*(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetAdvancesPtr"); 623 if( !RunGetAdvancesPtr) return; 624 625 RunGetStringIndicesPtr = (const CFIndex*(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetStringIndicesPtr"); 626 if( !RunGetStringIndicesPtr) return; 627 628 FontCollectionCreateFromAvailableFonts = (CTFontCollectionRef(*)(CFDictionaryRef))dlsym( RTLD_DEFAULT, "CTFontCollectionCreateFromAvailableFonts"); 629 if( !FontCollectionCreateFromAvailableFonts) return; 630 631 FontCollectionCreateMatchingFontDescriptors = (CFArrayRef(*)(CTFontCollectionRef))dlsym( RTLD_DEFAULT, "CTFontCollectionCreateMatchingFontDescriptors"); 632 if( !FontCollectionCreateMatchingFontDescriptors) return; 633 634 FontCreatePathForGlyph = (CGPathRef(*)(CTFontRef,CGGlyph,const CGAffineTransform*))dlsym( RTLD_DEFAULT, "CTFontCreatePathForGlyph"); 635 if( !FontCreatePathForGlyph) return; 636 637 FontGetBoundingRectsForGlyphs = (CGRect(*)(CTFontRef,CTFontOrientation,CGGlyph*,CGRect*,CFIndex))dlsym( RTLD_DEFAULT, "CTFontGetBoundingRectsForGlyphs"); 638 if( !FontGetBoundingRectsForGlyphs) return; 639 640 mbIsActive = true; 641 } 642 643 // ----------------------------------------------------------------------- 644 645 const DynCoreTextSyms& DynCoreTextSyms::get( void ) 646 { 647 static DynCoreTextSyms aCT; 648 return aCT; 649 } 650 651 #endif // DISABLE_CORETEXT_DYNLOAD 652 653 // ======================================================================= 654 655 SystemFontList* GetCoretextFontList( void ) 656 { 657 CTFontList* pList = new CTFontList(); 658 if( !pList->Init() ) { 659 delete pList; 660 return NULL; 661 } 662 663 return pList; 664 } 665 666 // ======================================================================= 667 668