FontCollection.cpp revision f952161b874fd2e9af474b9fd2ebcca1f3bb4555
19cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien/* 29cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * Copyright (C) 2013 The Android Open Source Project 39cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * 49cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * Licensed under the Apache License, Version 2.0 (the "License"); 59cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * you may not use this file except in compliance with the License. 69cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * You may obtain a copy of the License at 79cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * 89cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * http://www.apache.org/licenses/LICENSE-2.0 99cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * 109cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * Unless required by applicable law or agreed to in writing, software 119cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * distributed under the License is distributed on an "AS IS" BASIS, 129cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * See the License for the specific language governing permissions and 149cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien * limitations under the License. 159cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien */ 169cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 17ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien// #define VERBOSE_DEBUG 18ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien 19ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien#define LOG_TAG "Minikin" 20ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien#include <cutils/log.h> 219cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 22c31e3883456e018d742e9f29815ba5ff8b315ea1Raph Levien#include "MinikinInternal.h" 239cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#include <minikin/CmapCoverage.h> 249cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#include <minikin/FontCollection.h> 259cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 269cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levienusing std::vector; 279cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 289cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Leviennamespace android { 299cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 309cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levientemplate <typename T> 319cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levienstatic inline T max(T a, T b) { 329cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien return a>b ? a : b; 339cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien} 349cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 354d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levienuint32_t FontCollection::sNextId = 0; 364d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levien 379cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph LevienFontCollection::FontCollection(const vector<FontFamily*>& typefaces) : 389cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien mMaxChar(0) { 39c31e3883456e018d742e9f29815ba5ff8b315ea1Raph Levien AutoMutex _l(gMinikinLock); 404d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levien mId = sNextId++; 419cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien vector<uint32_t> lastChar; 429cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien size_t nTypefaces = typefaces.size(); 439cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#ifdef VERBOSE_DEBUG 44ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien ALOGD("nTypefaces = %d\n", nTypefaces); 459cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#endif 469cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien const FontStyle defaultStyle; 479cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien for (size_t i = 0; i < nTypefaces; i++) { 489cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien FontFamily* family = typefaces[i]; 499a5f713add8cfb91ac2c9ed5c917309053201ab6Raph Levien MinikinFont* typeface = family->getClosestMatch(defaultStyle).font; 504d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levien if (typeface == NULL) { 514d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levien continue; 524d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levien } 53bd36ec766a451c62ffdd407d5ce1a355e8f7dfd8Raph Levien family->RefLocked(); 54bd36ec766a451c62ffdd407d5ce1a355e8f7dfd8Raph Levien FontInstance dummy; 55bd36ec766a451c62ffdd407d5ce1a355e8f7dfd8Raph Levien mInstances.push_back(dummy); // emplace_back would be better 56bd36ec766a451c62ffdd407d5ce1a355e8f7dfd8Raph Levien FontInstance* instance = &mInstances.back(); 57bd36ec766a451c62ffdd407d5ce1a355e8f7dfd8Raph Levien instance->mFamily = family; 58bd36ec766a451c62ffdd407d5ce1a355e8f7dfd8Raph Levien instance->mCoverage = new SparseBitSet; 599cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#ifdef VERBOSE_DEBUG 60ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien ALOGD("closest match = %p, family size = %d\n", typeface, family->getNumFonts()); 619cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#endif 62bcc3dc5a2591a95a57e379e27cbad69c18e91e67Raph Levien const uint32_t cmapTag = MinikinFont::MakeTag('c', 'm', 'a', 'p'); 63bcc3dc5a2591a95a57e379e27cbad69c18e91e67Raph Levien size_t cmapSize = 0; 64bcc3dc5a2591a95a57e379e27cbad69c18e91e67Raph Levien bool ok = typeface->GetTable(cmapTag, NULL, &cmapSize); 659cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien UniquePtr<uint8_t[]> cmapData(new uint8_t[cmapSize]); 66bcc3dc5a2591a95a57e379e27cbad69c18e91e67Raph Levien ok = typeface->GetTable(cmapTag, cmapData.get(), &cmapSize); 679cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien CmapCoverage::getCoverage(*instance->mCoverage, cmapData.get(), cmapSize); 689cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#ifdef VERBOSE_DEBUG 69ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien ALOGD("font coverage length=%d, first ch=%x\n", instance->mCoverage->length(), 709cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien instance->mCoverage->nextSetBit(0)); 719cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#endif 729cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien mMaxChar = max(mMaxChar, instance->mCoverage->length()); 739cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien lastChar.push_back(instance->mCoverage->nextSetBit(0)); 749cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 75bd36ec766a451c62ffdd407d5ce1a355e8f7dfd8Raph Levien nTypefaces = mInstances.size(); 76156acb18f53b32655abb34166ea737e4320ca366Raph Levien LOG_ALWAYS_FATAL_IF(nTypefaces == 0, 77156acb18f53b32655abb34166ea737e4320ca366Raph Levien "Font collection must have at least one valid typeface"); 7872fe9422c869b7878240a23e4650d9d90edb1c2aRaph Levien size_t nPages = (mMaxChar + kPageMask) >> kLogCharsPerPage; 799cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien size_t offset = 0; 809cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien for (size_t i = 0; i < nPages; i++) { 819cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien Range dummy; 829cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien mRanges.push_back(dummy); 839cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien Range* range = &mRanges.back(); 849cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#ifdef VERBOSE_DEBUG 85ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien ALOGD("i=%d: range start = %d\n", i, offset); 869cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#endif 879cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien range->start = offset; 889cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien for (size_t j = 0; j < nTypefaces; j++) { 899cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien if (lastChar[j] < (i + 1) << kLogCharsPerPage) { 909cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien const FontInstance* instance = &mInstances[j]; 919cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien mInstanceVec.push_back(instance); 929cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien offset++; 939cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien uint32_t nextChar = instance->mCoverage->nextSetBit((i + 1) << kLogCharsPerPage); 949cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#ifdef VERBOSE_DEBUG 95ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien ALOGD("nextChar = %d (j = %d)\n", nextChar, j); 969cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#endif 979cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien lastChar[j] = nextChar; 989cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 999cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 1009cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien range->end = offset; 1019cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 1029cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien} 1039cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 1049cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph LevienFontCollection::~FontCollection() { 1059cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien for (size_t i = 0; i < mInstances.size(); i++) { 1069cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien delete mInstances[i].mCoverage; 107b80c1f19c58b927820a8a24bf2218e5645724608Raph Levien mInstances[i].mFamily->UnrefLocked(); 1089cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 1099cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien} 1109cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 1117b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien// Implement heuristic for choosing best-match font. Here are the rules: 1127b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien// 1. If first font in the collection has the character, it wins. 1137b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien// 2. If a font matches both language and script, it gets a score of 4. 1147b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien// 3. If a font matches just language, it gets a score of 2. 1157b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien// 4. Matching the "compact" or "elegant" variant adds one to the score. 1167b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien// 5. Highest score wins, with ties resolved to the first font. 117066e8575af64fb452617ac6005de6ccf6509553bRaph Levienconst FontCollection::FontInstance* FontCollection::getInstanceForChar(uint32_t ch, 118066e8575af64fb452617ac6005de6ccf6509553bRaph Levien FontLanguage lang, int variant) const { 1199cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien if (ch >= mMaxChar) { 1209cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien return NULL; 1219cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 1229cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien const Range& range = mRanges[ch >> kLogCharsPerPage]; 1239cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#ifdef VERBOSE_DEBUG 124ecc2d34ac23a497988f21e5f415b53c007b9d8c5Raph Levien ALOGD("querying range %d:%d\n", range.start, range.end); 1259cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien#endif 126066e8575af64fb452617ac6005de6ccf6509553bRaph Levien const FontInstance* bestInstance = NULL; 1277b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien int bestScore = -1; 1289cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien for (size_t i = range.start; i < range.end; i++) { 1299cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien const FontInstance* instance = mInstanceVec[i]; 1309cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien if (instance->mCoverage->get(ch)) { 1317b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien FontFamily* family = instance->mFamily; 1327b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien // First font family in collection always matches 1337b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien if (mInstances[0].mFamily == family) { 134066e8575af64fb452617ac6005de6ccf6509553bRaph Levien return instance; 1357b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien } 1367b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien int score = lang.match(family->lang()) * 2; 1377b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien if (variant != 0 && variant == family->variant()) { 1387b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien score++; 1397b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien } 1407b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien if (score > bestScore) { 1417b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien bestScore = score; 142066e8575af64fb452617ac6005de6ccf6509553bRaph Levien bestInstance = instance; 1437b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien } 1449cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 1459cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 146156acb18f53b32655abb34166ea737e4320ca366Raph Levien if (bestInstance == NULL) { 147156acb18f53b32655abb34166ea737e4320ca366Raph Levien bestInstance = &mInstances[0]; 148156acb18f53b32655abb34166ea737e4320ca366Raph Levien } 149066e8575af64fb452617ac6005de6ccf6509553bRaph Levien return bestInstance; 1509cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien} 1519cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 152bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levienconst uint32_t NBSP = 0xa0; 153bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levienconst uint32_t ZWJ = 0x200c; 154bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levienconst uint32_t ZWNJ = 0x200d; 155f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbodconst uint32_t KEYCAP = 0x20e3; 156f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod 157bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien// Characters where we want to continue using existing font run instead of 158bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien// recomputing the best match in the fallback list. 159f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbodstatic const uint32_t stickyWhitelist[] = { '!', ',', '.', ':', ';', '?', NBSP, ZWJ, ZWNJ, KEYCAP }; 160bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien 161bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levienstatic bool isStickyWhitelisted(uint32_t c) { 162bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien for (size_t i = 0; i < sizeof(stickyWhitelist) / sizeof(stickyWhitelist[0]); i++) { 163bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien if (stickyWhitelist[i] == c) return true; 164bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien } 165bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien return false; 166bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien} 167bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien 1689cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levienvoid FontCollection::itemize(const uint16_t *string, size_t string_size, FontStyle style, 1699cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien vector<Run>* result) const { 1707b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien FontLanguage lang = style.getLanguage(); 1717b221d97b7b64dc5ce457e19666d55d042e22e62Raph Levien int variant = style.getVariant(); 172066e8575af64fb452617ac6005de6ccf6509553bRaph Levien const FontInstance* lastInstance = NULL; 1739cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien Run* run = NULL; 1749cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien int nShorts; 1759cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien for (size_t i = 0; i < string_size; i += nShorts) { 1769cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien nShorts = 1; 1779cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien uint32_t ch = string[i]; 1789cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien // sigh, decode UTF-16 by hand here 1799cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien if ((ch & 0xfc00) == 0xd800) { 1809cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien if ((i + 1) < string_size) { 1819cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien ch = 0x10000 + ((ch & 0x3ff) << 10) + (string[i + 1] & 0x3ff); 1829cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien nShorts = 2; 1839cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 1849cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 185bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien // Continue using existing font as long as it has coverage and is whitelisted 186bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien if (lastInstance == NULL 187bb601b67dd05947f92cc23092bfb8a059c2e3377Raph Levien || !(isStickyWhitelisted(ch) && lastInstance->mCoverage->get(ch))) { 188066e8575af64fb452617ac6005de6ccf6509553bRaph Levien const FontInstance* instance = getInstanceForChar(ch, lang, variant); 189066e8575af64fb452617ac6005de6ccf6509553bRaph Levien if (i == 0 || instance != lastInstance) { 190f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod size_t start = i; 191f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod // Workaround for Emoji keycap until we implement per-cluster font 192f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod // selection: if keycap is found in a different font that also 193f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod // supports previous char, attach previous char to the new run. 194f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod // Only handles non-surrogate characters. 195f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod // Bug 7557244. 196f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod if (ch == KEYCAP && i && instance && instance->mCoverage->get(string[i - 1])) { 197f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod run->end--; 198f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod if (run->start == run->end) { 199f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod result->pop_back(); 200f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod } 201f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod start--; 202f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod } 203066e8575af64fb452617ac6005de6ccf6509553bRaph Levien Run dummy; 204066e8575af64fb452617ac6005de6ccf6509553bRaph Levien result->push_back(dummy); 205066e8575af64fb452617ac6005de6ccf6509553bRaph Levien run = &result->back(); 206066e8575af64fb452617ac6005de6ccf6509553bRaph Levien if (instance == NULL) { 2079a5f713add8cfb91ac2c9ed5c917309053201ab6Raph Levien run->fakedFont.font = NULL; 208066e8575af64fb452617ac6005de6ccf6509553bRaph Levien } else { 2099a5f713add8cfb91ac2c9ed5c917309053201ab6Raph Levien run->fakedFont = instance->mFamily->getClosestMatch(style); 210066e8575af64fb452617ac6005de6ccf6509553bRaph Levien } 211066e8575af64fb452617ac6005de6ccf6509553bRaph Levien lastInstance = instance; 212f952161b874fd2e9af474b9fd2ebcca1f3bb4555Behdad Esfahbod run->start = start; 2139cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 2149cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 2159cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien run->end = i + nShorts; 2169cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien } 2179cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien} 2189cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien 21989566f0ada1cafe673efa064cde38467990235d4Raph LevienMinikinFont* FontCollection::baseFont(FontStyle style) { 2209a5f713add8cfb91ac2c9ed5c917309053201ab6Raph Levien return baseFontFaked(style).font; 2219a5f713add8cfb91ac2c9ed5c917309053201ab6Raph Levien} 2229a5f713add8cfb91ac2c9ed5c917309053201ab6Raph Levien 2239a5f713add8cfb91ac2c9ed5c917309053201ab6Raph LevienFakedFont FontCollection::baseFontFaked(FontStyle style) { 22489566f0ada1cafe673efa064cde38467990235d4Raph Levien if (mInstances.empty()) { 2259a5f713add8cfb91ac2c9ed5c917309053201ab6Raph Levien return FakedFont(); 22689566f0ada1cafe673efa064cde38467990235d4Raph Levien } 22789566f0ada1cafe673efa064cde38467990235d4Raph Levien return mInstances[0].mFamily->getClosestMatch(style); 22889566f0ada1cafe673efa064cde38467990235d4Raph Levien} 22989566f0ada1cafe673efa064cde38467990235d4Raph Levien 2304d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levienuint32_t FontCollection::getId() const { 2314d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levien return mId; 2324d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levien} 2334d4e6bc8118d15542f1f2a9218f0f7a91a29474fRaph Levien 2349cc9bbe1461f359f0b27c5e7645c17dda001ab1dRaph Levien} // namespace android 235