15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions in binary form must reproduce the above 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 3251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)#include "public/platform/linux/WebFontInfo.h" 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 345267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#include "public/platform/linux/WebFontFamily.h" 3551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)#include "public/platform/linux/WebFontRenderStyle.h" 36f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles)#include <fontconfig/fontconfig.h> 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include <string.h> 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include <unicode/utf16.h> 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)namespace blink { 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)static bool useSubpixelPositioning = false; 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void WebFontInfo::setSubpixelPositioning(bool subpixelPositioning) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) useSubpixelPositioning = subpixelPositioning; 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 498abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles)void WebFontInfo::familyForChar(WebUChar32 c, const char* preferredLocale, WebFontFamily* family) 508abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles){ 518abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcCharSet* cset = FcCharSetCreate(); 528abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcCharSetAddChar(cset, c); 538abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcPattern* pattern = FcPatternCreate(); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 558abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcValue fcvalue; 568abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) fcvalue.type = FcTypeCharSet; 578abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) fcvalue.u.c = cset; 588abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcPatternAdd(pattern, FC_CHARSET, fcvalue, FcFalse); 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 608abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) fcvalue.type = FcTypeBool; 618abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) fcvalue.u.b = FcTrue; 628abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcPatternAdd(pattern, FC_SCALABLE, fcvalue, FcFalse); 638abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) 648abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (preferredLocale) { 658abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcLangSet* langset = FcLangSetCreate(); 668abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcLangSetAdd(langset, reinterpret_cast<const FcChar8 *>(preferredLocale)); 678abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcPatternAddLangSet(pattern, FC_LANG, langset); 688abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcLangSetDestroy(langset); 69f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) } 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 718abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcConfigSubstitute(0, pattern, FcMatchPattern); 728abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcDefaultSubstitute(pattern); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 748abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcResult result; 758abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcFontSet* fontSet = FcFontSort(0, pattern, 0, 0, &result); 768abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcPatternDestroy(pattern); 778abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcCharSetDestroy(cset); 78f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) 798abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (!fontSet) { 808abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) family->name = WebCString(); 818abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) family->isBold = false; 828abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) family->isItalic = false; 838abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) return; 84f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) } 858abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) // Older versions of fontconfig have a bug where they cannot select 868abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) // only scalable fonts so we have to manually filter the results. 878abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) for (int i = 0; i < fontSet->nfont; ++i) { 888abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcPattern* current = fontSet->fonts[i]; 898abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcBool isScalable; 90f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) 918abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (FcPatternGetBool(current, FC_SCALABLE, 0, &isScalable) != FcResultMatch 928abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) || !isScalable) 938abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) continue; 94f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) 958abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) // fontconfig can also return fonts which are unreadable 968abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcChar8* cFilename; 978abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (FcPatternGetString(current, FC_FILE, 0, &cFilename) != FcResultMatch) 988abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) continue; 9923e46e0f045bc1935a09565578b448d36cfc5b8cBen Murdoch 1008abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (access(reinterpret_cast<char*>(cFilename), R_OK)) 1018abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) continue; 102f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) 1038abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcChar8* familyName; 1048abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (FcPatternGetString(current, FC_FAMILY, 0, &familyName) == FcResultMatch) { 1058abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) const char* charFamily = reinterpret_cast<char*>(familyName); 1068abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) family->name = WebCString(charFamily, strlen(charFamily)); 107f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) } 1088abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) int weight; 1098abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (FcPatternGetInteger(current, FC_WEIGHT, 0, &weight) == FcResultMatch) 1108abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) family->isBold = weight >= FC_WEIGHT_BOLD; 1118abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) else 1128abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) family->isBold = false; 1138abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) int slant; 1148abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (FcPatternGetInteger(current, FC_SLANT, 0, &slant) == FcResultMatch) 1158abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) family->isItalic = slant != FC_SLANT_ROMAN; 1168abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) else 1178abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) family->isItalic = false; 1188abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcFontSetDestroy(fontSet); 1198abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) return; 120f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) } 121f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) 1228abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FcFontSetDestroy(fontSet); 1235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void WebFontInfo::renderStyleForStrike(const char* family, int sizeAndStyle, WebFontRenderStyle* out) 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool isBold = sizeAndStyle & 1; 1285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool isItalic = sizeAndStyle & 2; 1295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int pixelSize = sizeAndStyle >> 2; 1305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPattern* pattern = FcPatternCreate(); 1325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcValue fcvalue; 1335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.type = FcTypeString; 1355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.u.s = reinterpret_cast<const FcChar8 *>(family); 1365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPatternAdd(pattern, FC_FAMILY, fcvalue, FcFalse); 1375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.type = FcTypeInteger; 1395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.u.i = isBold ? FC_WEIGHT_BOLD : FC_WEIGHT_NORMAL; 1405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPatternAdd(pattern, FC_WEIGHT, fcvalue, FcFalse); 1415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.type = FcTypeInteger; 1435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.u.i = isItalic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN; 1445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPatternAdd(pattern, FC_SLANT, fcvalue, FcFalse); 1455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.type = FcTypeBool; 1475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.u.b = FcTrue; 1485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPatternAdd(pattern, FC_SCALABLE, fcvalue, FcFalse); 1495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.type = FcTypeDouble; 1515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fcvalue.u.d = pixelSize; 1525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPatternAdd(pattern, FC_SIZE, fcvalue, FcFalse); 1535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcConfigSubstitute(0, pattern, FcMatchPattern); 1555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcDefaultSubstitute(pattern); 1565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcResult result; 1585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Some versions of fontconfig don't actually write a value into result. 1595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // However, it's not clear from the documentation if result should be a 1605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // non-0 pointer: future versions might expect to be able to write to 1615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // it. So we pass in a valid pointer and ignore it. 1625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPattern* match = FcFontMatch(0, pattern, &result); 1635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPatternDestroy(pattern); 1645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->setDefaults(); 1665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!match) 1685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 1695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcBool b; 1715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int i; 1725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (FcPatternGetBool(match, FC_ANTIALIAS, 0, &b) == FcResultMatch) 1745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->useAntiAlias = b; 1755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (FcPatternGetBool(match, FC_EMBEDDED_BITMAP, 0, &b) == FcResultMatch) 1765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->useBitmaps = b; 1775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (FcPatternGetBool(match, FC_AUTOHINT, 0, &b) == FcResultMatch) 1785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->useAutoHint = b; 1795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (FcPatternGetBool(match, FC_HINTING, 0, &b) == FcResultMatch) 1805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->useHinting = b; 1815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (FcPatternGetInteger(match, FC_HINT_STYLE, 0, &i) == FcResultMatch) 1825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->hintStyle = i; 1835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (FcPatternGetInteger(match, FC_RGBA, 0, &i) == FcResultMatch) { 1845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) switch (i) { 1855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) case FC_RGBA_NONE: 1865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->useSubpixelRendering = 0; 1875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 1885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) case FC_RGBA_RGB: 1895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) case FC_RGBA_BGR: 1905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) case FC_RGBA_VRGB: 1915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) case FC_RGBA_VBGR: 1925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->useSubpixelRendering = 1; 1935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 1945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) default: 1955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // This includes FC_RGBA_UNKNOWN. 1965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->useSubpixelRendering = 2; 1975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 1985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 2005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // FontConfig doesn't provide parameters to configure whether subpixel 2025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // positioning should be used or not, so we just use a global setting. 2035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) out->useSubpixelPositioning = useSubpixelPositioning; 2045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FcPatternDestroy(match); 2065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 2075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 20851b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)} // namespace blink 209