130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/* 230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Copyright 2011 Google Inc. All Rights Reserved. 330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Licensed under the Apache License, Version 2.0 (the "License"); 530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * you may not use this file except in compliance with the License. 630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * You may obtain a copy of the License at 730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * http://www.apache.org/licenses/LICENSE-2.0 930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 1030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Unless required by applicable law or agreed to in writing, software 1130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * distributed under the License is distributed on an "AS IS" BASIS, 1230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * See the License for the specific language governing permissions and 1430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * limitations under the License. 1530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun */ 1630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/font_factory.h" 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include <string.h> 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/tag.h" 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunFontFactory::~FontFactory() { 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH FontFactory* FontFactory::GetInstance() { 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontFactoryPtr instance = new FontFactory(); 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return instance.Detach(); 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::FingerprintFont(bool fingerprint) { 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fingerprint_ = fingerprint; 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunbool FontFactory::FingerprintFont() { 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return fingerprint_; 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::LoadFonts(InputStream* is, FontArray* output) { 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun assert(output); 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun PushbackInputStream* pbis = down_cast<PushbackInputStream*>(is); 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (IsCollection(pbis)) { 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun LoadCollection(pbis, output); 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return; 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontPtr font; 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font.Attach(LoadSingleOTF(pbis)); 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (font) { 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output->push_back(font); 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::LoadFonts(ByteVector* b, FontArray* output) { 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontDataPtr wfd; 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun wfd.Attach(WritableFontData::CreateWritableFontData(b)); 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (IsCollection(wfd)) { 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun LoadCollection(wfd, output); 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return; 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontPtr font; 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font.Attach(LoadSingleOTF(wfd)); 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (font) { 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output->push_back(font); 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::LoadFontsForBuilding(InputStream* is, 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderArray* output) { 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun PushbackInputStream* pbis = down_cast<PushbackInputStream*>(is); 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (IsCollection(pbis)) { 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun LoadCollectionForBuilding(pbis, output); 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return; 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderPtr builder; 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builder.Attach(LoadSingleOTFForBuilding(pbis)); 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (builder) { 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output->push_back(builder); 8030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 8130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 8230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::LoadFontsForBuilding(ByteVector* b, 8430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderArray* output) { 8530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontDataPtr wfd; 8630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun wfd.Attach(WritableFontData::CreateWritableFontData(b)); 8730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (IsCollection(wfd)) { 8830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun LoadCollectionForBuilding(wfd, output); 8930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return; 9030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 9130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderPtr builder; 9230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builder.Attach(LoadSingleOTFForBuilding(wfd, 0)); 9330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (builder) { 9430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output->push_back(builder); 9530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 9630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 9730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::SerializeFont(Font* font, OutputStream* os) { 9930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font->Serialize(os, &table_ordering_); 10030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 10130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 10230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::SetSerializationTableOrdering( 10330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun const IntegerList& table_ordering) { 10430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun table_ordering_ = table_ordering; 10530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 10630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 10730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH Font::Builder* FontFactory::NewFontBuilder() { 10830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return Font::Builder::GetOTFBuilder(this); 10930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 11030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 11130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH Font* FontFactory::LoadSingleOTF(InputStream* is) { 11230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderPtr builder; 11330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builder.Attach(LoadSingleOTFForBuilding(is)); 11430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return builder->Build(); 11530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 11630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 11730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH Font* FontFactory::LoadSingleOTF(WritableFontData* wfd) { 11830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderPtr builder; 11930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builder.Attach(LoadSingleOTFForBuilding(wfd, 0)); 12030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return builder->Build(); 12130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 12230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 12330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::LoadCollection(InputStream* is, FontArray* output) { 12430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderArray ba; 12530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun LoadCollectionForBuilding(is, &ba); 12630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output->reserve(ba.size()); 12730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (FontBuilderArray::iterator builder = ba.begin(), builders_end = ba.end(); 12830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builder != builders_end; ++builder) { 12930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontPtr font; 13030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font.Attach((*builder)->Build()); 13130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output->push_back(font); 13230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 13330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 13430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 13530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::LoadCollection(WritableFontData* wfd, FontArray* output) { 13630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderArray builders; 13730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun LoadCollectionForBuilding(wfd, &builders); 13830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output->reserve(builders.size()); 13930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (FontBuilderArray::iterator builder = builders.begin(), 14030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builders_end = builders.end(); 14130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builder != builders_end; ++builder) { 14230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontPtr font; 14330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font.Attach((*builder)->Build()); 14430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output->push_back(font); 14530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 14630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 14730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 14830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH 14930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunFont::Builder* FontFactory::LoadSingleOTFForBuilding(InputStream* is) { 15030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // UNIMPLEMENTED: SHA-1 hash checking via Java DigestStream 15130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Font::Builder* builder = Font::Builder::GetOTFBuilder(this, is); 15230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // UNIMPLEMENTED: setDigest 15330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return builder; 15430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 15530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 15630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH Font::Builder* 15730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontFactory::LoadSingleOTFForBuilding(WritableFontData* wfd, 15830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t offset_to_offset_table) { 15930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // UNIMPLEMENTED: SHA-1 hash checking via Java DigestStream 16030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Font::Builder* builder = 16130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Font::Builder::GetOTFBuilder(this, wfd, offset_to_offset_table); 16230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // UNIMPLEMENTED: setDigest 16330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return builder; 16430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 16530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 16630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::LoadCollectionForBuilding(InputStream* is, 16730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderArray* builders) { 16830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun assert(is); 16930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun assert(builders); 17030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontDataPtr wfd; 17130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun wfd.Attach(WritableFontData::CreateWritableFontData(is->Available())); 17230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun wfd->CopyFrom(is); 17330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun LoadCollectionForBuilding(wfd, builders); 17430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 17530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 17630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid FontFactory::LoadCollectionForBuilding(WritableFontData* wfd, 17730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderArray* builders) { 17830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t ttc_tag = wfd->ReadULongAsInt(Offset::kTTCTag); 17930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun UNREFERENCED_PARAMETER(ttc_tag); 18030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t version = wfd->ReadFixed(Offset::kVersion); 18130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun UNREFERENCED_PARAMETER(version); 18230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t num_fonts = wfd->ReadULongAsInt(Offset::kNumFonts); 18330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 18430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builders->reserve(num_fonts); 18530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t offset_table_offset = Offset::kOffsetTable; 18630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (int32_t font_number = 0; 18730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font_number < num_fonts; 18830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font_number++, offset_table_offset += DataSize::kULONG) { 18930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t offset = wfd->ReadULongAsInt(offset_table_offset); 19030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderPtr builder; 19130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builder.Attach(LoadSingleOTFForBuilding(wfd, offset)); 19230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builders->push_back(builder); 19330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 19430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 19530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 19630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunbool FontFactory::IsCollection(PushbackInputStream* pbis) { 19730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ByteVector tag(4); 19830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun pbis->Read(&tag); 19930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun pbis->Unread(&tag); 20030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return Tag::ttcf == GenerateTag(tag[0], tag[1], tag[2], tag[3]); 20130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 20230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 20330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunbool FontFactory::IsCollection(ReadableFontData* rfd) { 20430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ByteVector tag(4); 20530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun rfd->ReadBytes(0, &(tag[0]), 0, tag.size()); 20630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return Tag::ttcf == 20730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun GenerateTag(tag[0], tag[1], tag[2], tag[3]); 20830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 20930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 21030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunFontFactory::FontFactory() 21130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : fingerprint_(false) { 21230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 21330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 21430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 215