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_NORMAL) 115 && (mpFontData->meItalic != ITALIC_OBLIQUE)) 116 { 117 if( !pMatrix) 118 pMatrix = &(aMatrix = CGAffineTransformIdentity); 119 aMatrix = CGAffineTransformConcat(aMatrix, CGAffineTransformMake( 1, 0, 0.375F, 1, 0, 0)); 120 } 121 122 // create the style object for CoreText font attributes 123 static const CFIndex nMaxDictSize = 16; // TODO: does this really suffice? 124 mpStyleDict = CFDictionaryCreateMutable( NULL, nMaxDictSize, 125 &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks ); 126 127 // set some default styles: no kerning, regular ligatures 128 static const CGFloat fValZero = 0.0; 129 CFNumberRef pCFFloatNumZero = CFNumberCreate( NULL, kCFNumberFloatType, &fValZero ); 130 CFDictionarySetValue( mpStyleDict, kCTKernAttributeName, pCFFloatNumZero ); 131 CFRelease( pCFFloatNumZero); 132 static const int nValOne = 1; 133 CFNumberRef pCFIntNumOne = CFNumberCreate( NULL, kCFNumberIntType, &nValOne ); 134 CFDictionarySetValue( mpStyleDict, kCTLigatureAttributeName, pCFIntNumOne ); 135 CFRelease( pCFIntNumOne); 136 CFBooleanRef pCFVertBool = pReqFont->mbVertical ? kCFBooleanTrue : kCFBooleanFalse; 137 CFDictionarySetValue( mpStyleDict, kCTVerticalFormsAttributeName, pCFVertBool ); 138 139 CTFontDescriptorRef pFontDesc = (CTFontDescriptorRef)mpFontData->GetFontId(); 140 CTFontRef pNewCTFont = CTFontCreateWithFontDescriptor( pFontDesc, fScaledFontHeight, pMatrix ); 141 CFDictionarySetValue( mpStyleDict, kCTFontAttributeName, pNewCTFont ); 142 CFRelease( pNewCTFont); 143 144 // handle emulation of bold styles if requested and the font that doesn't provide them 145 if( (pReqFont->meWeight > WEIGHT_MEDIUM) 146 && (mpFontData->meWeight <= WEIGHT_MEDIUM) 147 && (mpFontData->meWeight != WEIGHT_DONTKNOW)) 148 { 149 const int nBoldFactor = -lrint( (3.5F * pReqFont->meWeight) / mpFontData->meWeight); 150 CFNumberRef pCFIntBold = CFNumberCreate( NULL, kCFNumberIntType, &nBoldFactor); 151 CFDictionarySetValue( mpStyleDict, kCTStrokeWidthAttributeName, pCFIntBold); 152 } 153 154 #if 0 // LastResort is implicit in CoreText's font cascading 155 const void* aGFBDescriptors[] = { CTFontDescriptorCreateWithNameAndSize( CFSTR("LastResort"), 0) }; // TODO: use the full GFB list 156 const int nGfbCount = sizeof(aGFBDescriptors) / sizeof(*aGFBDescriptors); 157 CFArrayRef pGfbList = CFArrayCreate( NULL, aGFBDescriptors, nGfbCount, &kCFTypeArrayCallBacks); 158 CFDictionaryAddValue( mpStyleDict, kCTFontCascadeListAttribute, pGfbList); 159 CFRelease( pGfbList); 160 #endif 161 } 162 163 // ----------------------------------------------------------------------- 164 165 CTTextStyle::~CTTextStyle( void ) 166 { 167 if( mpStyleDict ) 168 CFRelease( mpStyleDict ); 169 } 170 171 // ----------------------------------------------------------------------- 172 173 void CTTextStyle::GetFontMetric( float fDPIY, ImplFontMetricData& rMetric ) const 174 { 175 // get the matching CoreText font handle 176 // TODO: is it worth it to cache the CTFontRef in SetFont() and reuse it here? 177 CTFontRef aCTFontRef = (CTFontRef)CFDictionaryGetValue( mpStyleDict, kCTFontAttributeName ); 178 179 const double fPixelSize = (mfFontScale * fDPIY); 180 rMetric.mnAscent = lrint( CTFontGetAscent( aCTFontRef ) * fPixelSize); 181 rMetric.mnDescent = lrint( CTFontGetDescent( aCTFontRef ) * fPixelSize); 182 rMetric.mnIntLeading = lrint( CTFontGetLeading( aCTFontRef ) * fPixelSize); 183 rMetric.mnExtLeading = 0; 184 // since ImplFontMetricData::mnWidth is only used for stretching/squeezing fonts 185 // setting this width to the pixel height of the fontsize is good enough 186 // it also makes the calculation of the stretch factor simple 187 rMetric.mnWidth = lrint( CTFontGetSize( aCTFontRef ) * fPixelSize * mfFontStretch); 188 189 // all CoreText fonts are scalable 190 rMetric.mbScalableFont = true; 191 // TODO: check if any kerning is supported 192 rMetric.mbKernableFont = true; 193 } 194 195 // ----------------------------------------------------------------------- 196 197 bool CTTextStyle::GetGlyphBoundRect( sal_GlyphId aGlyphId, Rectangle& rRect ) const 198 { 199 const DynCoreTextSyms& rCT = DynCoreTextSyms::get(); 200 CGGlyph nCGGlyph = aGlyphId & GF_IDXMASK; // NOTE: CoreText handles glyph fallback itself 201 CTFontRef aCTFontRef = (CTFontRef)CFDictionaryGetValue( mpStyleDict, kCTFontAttributeName ); 202 203 const CTFontOrientation aFontOrientation = kCTFontDefaultOrientation; // TODO: horz/vert 204 const CGRect aCGRect = rCT.FontGetBoundingRectsForGlyphs( aCTFontRef, aFontOrientation, &nCGGlyph, NULL, 1 ); 205 206 rRect.Left() = lrint( mfFontScale * aCGRect.origin.x ); 207 rRect.Top() = lrint( mfFontScale * aCGRect.origin.y ); 208 rRect.Right() = lrint( mfFontScale * (aCGRect.origin.x + aCGRect.size.width) ); 209 rRect.Bottom() = lrint( mfFontScale * (aCGRect.origin.y + aCGRect.size.height) ); 210 return true; 211 } 212 213 // ----------------------------------------------------------------------- 214 215 // callbacks from CTFontCreatePathForGlyph+CGPathApply for GetGlyphOutline() 216 struct GgoData { basegfx::B2DPolygon maPolygon; basegfx::B2DPolyPolygon* mpPolyPoly; }; 217 218 static void MyCGPathApplierFunc( void* pData, const CGPathElement* pElement ) 219 { 220 basegfx::B2DPolygon& rPolygon = static_cast<GgoData*>(pData)->maPolygon; 221 const int nPointCount = rPolygon.count(); 222 223 switch( pElement->type ) 224 { 225 case kCGPathElementCloseSubpath: 226 case kCGPathElementMoveToPoint: 227 if( nPointCount > 0 ) { 228 static_cast<GgoData*>(pData)->mpPolyPoly->append( rPolygon ); 229 rPolygon.clear(); 230 } 231 // fall through for kCGPathElementMoveToPoint: 232 if( pElement->type != kCGPathElementMoveToPoint ) 233 break; 234 case kCGPathElementAddLineToPoint: 235 rPolygon.append( basegfx::B2DPoint( +pElement->points[0].x, -pElement->points[0].y ) ); 236 break; 237 case kCGPathElementAddCurveToPoint: 238 rPolygon.append( basegfx::B2DPoint( +pElement->points[2].x, -pElement->points[2].y ) ); 239 rPolygon.setNextControlPoint( nPointCount-1, basegfx::B2DPoint( pElement->points[0].x, -pElement->points[0].y ) ); 240 rPolygon.setPrevControlPoint( nPointCount+0, basegfx::B2DPoint( pElement->points[1].x, -pElement->points[1].y ) ); 241 break; 242 case kCGPathElementAddQuadCurveToPoint: { 243 const basegfx::B2DPoint aStartPt = rPolygon.getB2DPoint( nPointCount-1 ); 244 const basegfx::B2DPoint aCtrPt1( (aStartPt.getX() + 2* pElement->points[0].x) / 3.0, 245 (aStartPt.getY() - 2 * pElement->points[0].y) / 3.0 ); 246 const basegfx::B2DPoint aCtrPt2( (+2 * +pElement->points[0].x + pElement->points[1].x) / 3.0, 247 (-2 * pElement->points[0].y - pElement->points[1].y) / 3.0 ); 248 rPolygon.append( basegfx::B2DPoint( +pElement->points[1].x, -pElement->points[1].y ) ); 249 rPolygon.setNextControlPoint( nPointCount-1, aCtrPt1 ); 250 rPolygon.setPrevControlPoint( nPointCount+0, aCtrPt2 ); 251 } break; 252 } 253 } 254 255 bool CTTextStyle::GetGlyphOutline( sal_GlyphId aGlyphId, basegfx::B2DPolyPolygon& rResult ) const 256 { 257 rResult.clear(); 258 259 const DynCoreTextSyms& rCT = DynCoreTextSyms::get(); 260 // TODO: GF_FONTMASK if using non-native glyph fallback 261 CGGlyph nCGGlyph = aGlyphId & GF_IDXMASK; 262 CTFontRef pCTFont = (CTFontRef)CFDictionaryGetValue( mpStyleDict, kCTFontAttributeName ); 263 CGPathRef xPath = rCT.FontCreatePathForGlyph( pCTFont, nCGGlyph, NULL ); 264 265 GgoData aGgoData; 266 aGgoData.mpPolyPoly = &rResult; 267 CGPathApply( xPath, (void*)&aGgoData, MyCGPathApplierFunc ); 268 #if 0 // TODO: does OSX ensure that the last polygon is always closed? 269 const CGPathElement aClosingElement = { kCGPathElementCloseSubpath, NULL }; 270 MyCGPathApplierFunc( (void*)&aGgoData, &aClosingElement ); 271 #endif 272 273 // apply the font scale 274 if( mfFontScale != 1.0 ) { 275 basegfx::B2DHomMatrix aScale; 276 aScale.scale( +mfFontScale, +mfFontScale ); 277 rResult.transform( aScale ); 278 } 279 280 return true; 281 } 282 283 // ----------------------------------------------------------------------- 284 285 void CTTextStyle::SetTextColor( const RGBAColor& rColor ) 286 { 287 #if (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) 288 CGColorRef pCGColor = CGColorCreateGenericRGB( rColor.GetRed(), 289 rColor.GetGreen(), rColor.GetBlue(), rColor.GetAlpha() ); 290 #else // for builds on OSX 10.4 SDK 291 const CGColorSpaceRef pCGColorSpace = GetSalData()->mxRGBSpace; 292 CGColorRef pCGColor = CGColorCreate( pCGColorSpace, rColor.AsArray() ); 293 #endif 294 CFDictionarySetValue( mpStyleDict, kCTForegroundColorAttributeName, pCGColor ); 295 CFRelease( pCGColor); 296 } 297 298 // ======================================================================= 299 300 CTFontData::CTFontData( const ImplDevFontAttributes& rDFA, sal_IntPtr nFontId ) 301 : ImplMacFontData( rDFA, nFontId ) 302 {} 303 304 // ----------------------------------------------------------------------- 305 306 CTFontData::~CTFontData( void ) 307 { 308 // TODO: any resources to release? 309 } 310 311 // ----------------------------------------------------------------------- 312 313 ImplFontData* CTFontData::Clone( void ) const 314 { 315 return new CTFontData( *this); 316 } 317 318 // ----------------------------------------------------------------------- 319 320 ImplMacTextStyle* CTFontData::CreateMacTextStyle( const ImplFontSelectData& rFSD ) const 321 { 322 return new CTTextStyle( rFSD); 323 } 324 325 // ----------------------------------------------------------------------- 326 327 ImplFontEntry* CTFontData::CreateFontInstance( /*const*/ ImplFontSelectData& rFSD ) const 328 { 329 return new ImplFontEntry( rFSD); 330 } 331 332 // ----------------------------------------------------------------------- 333 334 int CTFontData::GetFontTable( const char pTagName[5], unsigned char* pResultBuf ) const 335 { 336 DBG_ASSERT( pTagName[4]=='\0', "CTFontData::GetFontTable with invalid tagname!\n" ); 337 338 const CTFontTableTag nTagCode = (pTagName[0]<<24) + (pTagName[1]<<16) + (pTagName[2]<<8) + (pTagName[3]<<0); 339 340 // get the raw table length 341 CTFontDescriptorRef pFontDesc = reinterpret_cast<CTFontDescriptorRef>( GetFontId()); 342 CTFontRef rCTFont = CTFontCreateWithFontDescriptor( pFontDesc, 0.0, NULL); 343 CFDataRef pDataRef = CTFontCopyTable( rCTFont, nTagCode, kCTFontTableOptionExcludeSynthetic); 344 CFRelease( rCTFont); 345 if( !pDataRef) 346 return 0; 347 348 const CFIndex nByteLength = CFDataGetLength( pDataRef); 349 350 // get the raw table data if requested 351 if( pResultBuf && (nByteLength > 0)) 352 { 353 const CFRange aFullRange = CFRangeMake( 0, nByteLength); 354 CFDataGetBytes( pDataRef, aFullRange, (UInt8*)pResultBuf); 355 } 356 357 CFRelease( pDataRef); 358 359 return (int)nByteLength; 360 } 361 362 // ======================================================================= 363 364 static void CTFontEnumCallBack( const void* pValue, void* pContext ) 365 { 366 CTFontDescriptorRef pFD = static_cast<CTFontDescriptorRef>(pValue); 367 368 // all CoreText fonts are device fonts that can rotate just fine 369 ImplDevFontAttributes rDFA; 370 rDFA.mbOrientation = true; 371 rDFA.mbDevice = true; 372 rDFA.mnQuality = 0; 373 374 // reset the font attributes 375 rDFA.meFamily = FAMILY_DONTKNOW; 376 rDFA.mePitch = PITCH_VARIABLE; 377 rDFA.meWidthType = WIDTH_NORMAL; 378 rDFA.meWeight = WEIGHT_NORMAL; 379 rDFA.meItalic = ITALIC_NONE; 380 rDFA.mbSymbolFlag = false; 381 382 // all scalable fonts on this platform are subsettable 383 rDFA.mbEmbeddable = false; 384 rDFA.mbSubsettable = true; 385 386 // get font name 387 // TODO: use kCTFontDisplayNameAttribute instead??? 388 CFStringRef pFamilyName = (CFStringRef)CTFontDescriptorCopyAttribute( pFD, kCTFontFamilyNameAttribute ); 389 rDFA.maName = GetOUString( pFamilyName ); 390 // get font style 391 CFStringRef pStyleName = (CFStringRef)CTFontDescriptorCopyAttribute( pFD, kCTFontStyleNameAttribute ); 392 rDFA.maStyleName = GetOUString( pStyleName ); 393 394 // get font-enabled status 395 int bFontEnabled = FALSE; 396 CFNumberRef pFontEnabled = (CFNumberRef)CTFontDescriptorCopyAttribute( pFD, kCTFontEnabledAttribute ); 397 CFNumberGetValue( pFontEnabled, kCFNumberIntType, &bFontEnabled ); 398 399 // get font attributes 400 CFDictionaryRef pAttrDict = (CFDictionaryRef)CTFontDescriptorCopyAttribute( pFD, kCTFontTraitsAttribute ); 401 402 // get symbolic trait 403 // TODO: use other traits such as MonoSpace/Condensed/Expanded or Vertical too 404 SInt64 nSymbolTrait = 0; 405 CFNumberRef pSymbolNum = NULL; 406 if( CFDictionaryGetValueIfPresent( pAttrDict, kCTFontSymbolicTrait, (const void**)&pSymbolNum ) ) { 407 CFNumberGetValue( pSymbolNum, kCFNumberSInt64Type, &nSymbolTrait ); 408 rDFA.mbSymbolFlag = ((nSymbolTrait & kCTFontClassMaskTrait) == kCTFontSymbolicClass); 409 } 410 411 // get the font weight 412 double fWeight = 0; 413 CFNumberRef pWeightNum = (CFNumberRef)CFDictionaryGetValue( pAttrDict, kCTFontWeightTrait ); 414 CFNumberGetValue( pWeightNum, kCFNumberDoubleType, &fWeight ); 415 int nInt = WEIGHT_NORMAL; 416 if( fWeight > 0 ) { 417 nInt = rint(WEIGHT_NORMAL + fWeight * ((WEIGHT_BLACK - WEIGHT_NORMAL)/0.68)); 418 if( nInt > WEIGHT_BLACK ) 419 nInt = WEIGHT_BLACK; 420 } else if( fWeight < 0 ) { 421 nInt = rint(WEIGHT_NORMAL + fWeight * ((WEIGHT_NORMAL - WEIGHT_THIN)/0.9)); 422 if( nInt < WEIGHT_THIN ) 423 nInt = WEIGHT_THIN; 424 } 425 rDFA.meWeight = (FontWeight)nInt; 426 427 // get the font slant 428 double fSlant = 0; 429 CFNumberRef pSlantNum = (CFNumberRef)CFDictionaryGetValue( pAttrDict, kCTFontSlantTrait ); 430 CFNumberGetValue( pSlantNum, kCFNumberDoubleType, &fSlant ); 431 if( fSlant >= 0.035 ) 432 rDFA.meItalic = ITALIC_NORMAL; 433 434 // get width trait 435 double fWidth = 0; 436 CFNumberRef pWidthNum = (CFNumberRef)CFDictionaryGetValue( pAttrDict, kCTFontWidthTrait ); 437 CFNumberGetValue( pWidthNum, kCFNumberDoubleType, &fWidth ); 438 nInt = WIDTH_NORMAL; 439 if( fWidth > 0 ) { 440 nInt = rint( WIDTH_NORMAL + fWidth * ((WIDTH_ULTRA_EXPANDED - WIDTH_NORMAL)/0.4)); 441 if( nInt > WIDTH_ULTRA_EXPANDED ) 442 nInt = WIDTH_ULTRA_EXPANDED; 443 } else if( fWidth < 0 ) { 444 nInt = rint( WIDTH_NORMAL + fWidth * ((WIDTH_NORMAL - WIDTH_ULTRA_CONDENSED)/0.5)); 445 if( nInt < WIDTH_ULTRA_CONDENSED ) 446 nInt = WIDTH_ULTRA_CONDENSED; 447 } 448 rDFA.meWidthType = (FontWidth)nInt; 449 450 // release the attribute dict that we had copied 451 CFRelease( pAttrDict ); 452 453 // TODO? also use the HEAD table if available to get more attributes 454 // CFDataRef CTFontCopyTable( CTFontRef, kCTFontTableHead, /*kCTFontTableOptionNoOptions*/kCTFontTableOptionExcludeSynthetic ); 455 456 #if (OSL_DEBUG_LEVEL >= 1) 457 // update font attributes using the font's postscript name 458 ImplDevFontAttributes rDFA2; 459 CTFontRef pFont = CTFontCreateWithFontDescriptor( pFD, 0.0, NULL ); 460 CFStringRef pPSName = CTFontCopyPostScriptName( pFont ); 461 const String aPSName = GetOUString( pPSName ); 462 463 rDFA2.mbSymbolFlag = false; 464 rDFA2.mePitch = PITCH_VARIABLE; 465 rDFA2.meWidthType = WIDTH_NORMAL; 466 rDFA2.meWeight = WEIGHT_NORMAL; 467 rDFA2.meItalic = ITALIC_NONE; 468 469 UpdateAttributesFromPSName( aPSName, rDFA2 ); 470 CFRelease( pPSName ); 471 CFRelease( pFont ); 472 473 // show the font details and compare the CTFontDescriptor vs. PSName traits 474 char cMatch = (rDFA.mbSymbolFlag==rDFA2.mbSymbolFlag); 475 cMatch &= (rDFA.meWeight==rDFA2.meWeight); 476 cMatch &= ((rDFA.meItalic==ITALIC_NONE) == (rDFA2.meItalic==ITALIC_NONE)); 477 cMatch &= (rDFA.meWidthType==rDFA2.meWidthType); 478 cMatch = cMatch ? '.' : '#'; 479 480 char aFN[256], aSN[256]; 481 CFStringGetCString( pFamilyName, aFN, sizeof(aFN), kCFStringEncodingUTF8 ); 482 CFStringGetCString( pStyleName, aSN, sizeof(aSN), kCFStringEncodingUTF8 ); 483 484 const ByteString aPSCName( aPSName, RTL_TEXTENCODING_UTF8 ); 485 const char* aPN = aPSCName.GetBuffer(); 486 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", 487 (int)rDFA.mbSymbolFlag,(int)rDFA.meWeight,(int)rDFA.meItalic,(int)rDFA.meWidthType, 488 cMatch, 489 (int)rDFA2.mbSymbolFlag,(int)rDFA2.meWeight,(int)rDFA2.meItalic,(int)rDFA2.meWidthType, 490 bFontEnabled, 491 (int)(nSymbolTrait>>kCTFontClassMaskShift),fWeight,fSlant,fWidth,aFN,aSN,aPN); 492 #endif // (OSL_DEBUG_LEVEL >= 1) 493 494 if( bFontEnabled) 495 { 496 const sal_IntPtr nFontId = (sal_IntPtr)pValue; 497 CTFontData* pFontData = new CTFontData( rDFA, nFontId ); 498 CTFontList* pFontList = (CTFontList*)pContext; 499 pFontList->AddFont( pFontData ); 500 } 501 } 502 503 // ======================================================================= 504 505 CTFontList::CTFontList() 506 : mpCTFontCollection( NULL ) 507 , mpCTFontArray( NULL ) 508 {} 509 510 // ----------------------------------------------------------------------- 511 512 CTFontList::~CTFontList() 513 { 514 CTFontContainer::const_iterator it = maFontContainer.begin(); 515 for(; it != maFontContainer.end(); ++it ) 516 delete (*it).second; 517 maFontContainer.clear(); 518 519 if( mpCTFontArray ) 520 CFRelease( mpCTFontArray ); 521 if( mpCTFontCollection ) 522 CFRelease( mpCTFontCollection ); 523 } 524 525 // ----------------------------------------------------------------------- 526 527 void CTFontList::AddFont( CTFontData* pFontData ) 528 { 529 sal_IntPtr nFontId = pFontData->GetFontId(); 530 maFontContainer[ nFontId ] = pFontData; 531 } 532 533 // ----------------------------------------------------------------------- 534 535 void CTFontList::AnnounceFonts( ImplDevFontList& rFontList ) const 536 { 537 CTFontContainer::const_iterator it = maFontContainer.begin(); 538 for(; it != maFontContainer.end(); ++it ) 539 rFontList.Add( (*it).second->Clone() ); 540 } 541 542 // ----------------------------------------------------------------------- 543 544 ImplMacFontData* CTFontList::GetFontDataFromId( sal_IntPtr nFontId ) const 545 { 546 CTFontContainer::const_iterator it = maFontContainer.find( nFontId ); 547 if( it == maFontContainer.end() ) 548 return NULL; 549 return (*it).second; 550 } 551 552 // ----------------------------------------------------------------------- 553 554 bool CTFontList::Init( void ) 555 { 556 #ifndef DISABLE_CORETEXT_DYNLOAD 557 // check availability of the CoreText API 558 const DynCoreTextSyms& rCT = DynCoreTextSyms::get(); 559 if( !rCT.IsActive() ) 560 return false; 561 #endif // DISABLE_CORETEXT_DYNLOAD 562 563 // enumerate available system fonts 564 static const int nMaxDictEntries = 8; 565 CFMutableDictionaryRef pCFDict = CFDictionaryCreateMutable( NULL, 566 nMaxDictEntries, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks ); 567 CFDictionaryAddValue( pCFDict, kCTFontCollectionRemoveDuplicatesOption, kCFBooleanTrue ); 568 mpCTFontCollection = rCT.FontCollectionCreateFromAvailableFonts( pCFDict ); 569 CFRelease( pCFDict ); 570 571 mpCTFontArray = rCT.FontCollectionCreateMatchingFontDescriptors( mpCTFontCollection ); 572 const int nFontCount = CFArrayGetCount( mpCTFontArray ); 573 const CFRange aFullRange = CFRangeMake( 0, nFontCount ); 574 CFArrayApplyFunction( mpCTFontArray, aFullRange, CTFontEnumCallBack, this ); 575 576 return true; 577 } 578 579 // ======================================================================= 580 581 #ifndef DISABLE_CORETEXT_DYNLOAD 582 583 DynCoreTextSyms::DynCoreTextSyms( void ) 584 { 585 mbIsActive = false; 586 587 // check if CoreText has been explicitely disabled 588 const char* pEnvStr = getenv( "SAL_DISABLE_CORETEXT"); 589 if( pEnvStr && (pEnvStr[0] != '0') ) 590 return; 591 592 // check CoreText version 593 GetCoreTextVersion = (uint32_t(*)(void))dlsym( RTLD_DEFAULT, "CTGetCoreTextVersion"); 594 if( !GetCoreTextVersion) return; 595 596 const uint32_t nCTVersion = GetCoreTextVersion(); 597 static const uint32_t mykCTVersionNumber10_5 = 0x00020000; 598 if( nCTVersion < mykCTVersionNumber10_5) 599 return; 600 601 // load CoreText symbols dynamically 602 LineGetTrailingWhitespaceWidth = (double(*)(CTLineRef))dlsym( RTLD_DEFAULT, "CTLineGetTrailingWhitespaceWidth"); 603 if( !LineGetTrailingWhitespaceWidth) return; 604 605 LineCreateJustifiedLine = (CTLineRef(*)(CTLineRef,CGFloat,double))dlsym( RTLD_DEFAULT, "CTLineCreateJustifiedLine"); 606 if( !LineCreateJustifiedLine) return; 607 608 LineGetOffsetForStringIndex = (CGFloat(*)(CTLineRef,CFIndex,CGFloat*))dlsym( RTLD_DEFAULT, "CTLineGetOffsetForStringIndex"); 609 if( !LineGetOffsetForStringIndex) return; 610 611 LineGetGlyphRuns = (CFArrayRef(*)(CTLineRef))dlsym( RTLD_DEFAULT, "CTLineGetGlyphRuns"); 612 if( !LineGetGlyphRuns) return; 613 614 RunGetGlyphCount = (CFIndex(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetGlyphCount"); 615 if( !RunGetGlyphCount) return; 616 617 RunGetGlyphsPtr = (const CGGlyph*(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetGlyphsPtr"); 618 if( !RunGetGlyphsPtr) return; 619 620 RunGetPositionsPtr = (const CGPoint*(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetPositionsPtr"); 621 if( !RunGetPositionsPtr) return; 622 623 RunGetAdvancesPtr = (const CGSize*(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetAdvancesPtr"); 624 if( !RunGetAdvancesPtr) return; 625 626 RunGetStringIndicesPtr = (const CFIndex*(*)(CTRunRef))dlsym( RTLD_DEFAULT, "CTRunGetStringIndicesPtr"); 627 if( !RunGetStringIndicesPtr) return; 628 629 FontCollectionCreateFromAvailableFonts = (CTFontCollectionRef(*)(CFDictionaryRef))dlsym( RTLD_DEFAULT, "CTFontCollectionCreateFromAvailableFonts"); 630 if( !FontCollectionCreateFromAvailableFonts) return; 631 632 FontCollectionCreateMatchingFontDescriptors = (CFArrayRef(*)(CTFontCollectionRef))dlsym( RTLD_DEFAULT, "CTFontCollectionCreateMatchingFontDescriptors"); 633 if( !FontCollectionCreateMatchingFontDescriptors) return; 634 635 FontCreatePathForGlyph = (CGPathRef(*)(CTFontRef,CGGlyph,const CGAffineTransform*))dlsym( RTLD_DEFAULT, "CTFontCreatePathForGlyph"); 636 if( !FontCreatePathForGlyph) return; 637 638 FontGetBoundingRectsForGlyphs = (CGRect(*)(CTFontRef,CTFontOrientation,CGGlyph*,CGRect*,CFIndex))dlsym( RTLD_DEFAULT, "CTFontGetBoundingRectsForGlyphs"); 639 if( !FontGetBoundingRectsForGlyphs) return; 640 641 mbIsActive = true; 642 } 643 644 // ----------------------------------------------------------------------- 645 646 const DynCoreTextSyms& DynCoreTextSyms::get( void ) 647 { 648 static DynCoreTextSyms aCT; 649 return aCT; 650 } 651 652 #endif // DISABLE_CORETEXT_DYNLOAD 653 654 // ======================================================================= 655 656 SystemFontList* GetCoretextFontList( void ) 657 { 658 CTFontList* pList = new CTFontList(); 659 if( !pList->Init() ) { 660 delete pList; 661 return NULL; 662 } 663 664 return pList; 665 } 666 667 // ======================================================================= 668 669