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/table/bitmap/index_sub_table_format3.h" 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/table/bitmap/eblc_table.h" 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/****************************************************************************** 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * IndexSubTableFormat3 class 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ******************************************************************************/ 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::~IndexSubTableFormat3() { 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::NumGlyphs() { 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return last_glyph_index() - first_glyph_index() + 1; 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::GlyphStartOffset(int32_t glyph_id) { 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t loca = CheckGlyphRange(glyph_id); 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (loca != -1) { 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return Loca(loca); 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return -1; 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::GlyphLength(int32_t glyph_id) { 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t loca = CheckGlyphRange(glyph_id); 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (loca != -1) { 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return Loca(glyph_id + 1) - Loca(glyph_id); 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return 0; 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// static 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::GetDataLength(ReadableFontData* data, 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t offset, 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t first, 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t last) { 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun UNREFERENCED_PARAMETER(data); 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun UNREFERENCED_PARAMETER(offset); 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return (last - first + 1 + 1) * DataSize::kUSHORT; 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::IndexSubTableFormat3(ReadableFontData* data, 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t first_glyph_index, 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t last_glyph_index) 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : IndexSubTable(data, first_glyph_index, last_glyph_index) { 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::Loca(int32_t loca) { 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t read_offset = 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun data_->ReadUShort(EblcTable::Offset::kIndexSubTable3_offsetArray + 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun loca * DataSize::kUSHORT); 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return read_offset; 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/****************************************************************************** 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * IndexSubTableFormat3::Builder class 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ******************************************************************************/ 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::~Builder() { 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::Builder::NumGlyphs() { 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return GetOffsetArray()->size() - 1; 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 8030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::Builder::GlyphStartOffset(int32_t glyph_id) { 8230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t loca = CheckGlyphRange(glyph_id); 8330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (loca == -1) { 8430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return -1; 8530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 8630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return GetOffsetArray()->at(loca); 8730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 8830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::Builder::GlyphLength(int32_t glyph_id) { 9030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t loca = CheckGlyphRange(glyph_id); 9130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (loca == -1) { 9230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return 0; 9330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 9430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IntegerList* offset_array = GetOffsetArray(); 9530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return offset_array->at(loca + 1) - offset_array->at(loca); 9630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 9730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH IndexSubTableFormat3::Builder::BitmapGlyphInfoIterator* 9930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTableFormat3::Builder::GetIterator() { 10030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<IndexSubTableFormat3::Builder::BitmapGlyphInfoIterator> it = 10130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun new IndexSubTableFormat3::Builder::BitmapGlyphInfoIterator(this); 10230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return it.Detach(); 10330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 10430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 10530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid IndexSubTableFormat3::Builder::Revert() { 10630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun offset_array_.clear(); 10730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTable::Builder::Revert(); 10830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 10930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 11030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid IndexSubTableFormat3::Builder::SetOffsetArray( 11130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun const IntegerList& offset_array) { 11230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun offset_array_.clear(); 11330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun offset_array_ = offset_array; 11430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun set_model_changed(); 11530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 11630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 11730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// static 11830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH IndexSubTableFormat3::Builder* 11930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::CreateBuilder() { 12030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTableFormat3BuilderPtr output = new IndexSubTableFormat3::Builder(); 12130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return output.Detach(); 12230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 12330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 12430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// static 12530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH IndexSubTableFormat3::Builder* 12630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::CreateBuilder(ReadableFontData* data, 12730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t index_sub_table_offset, 12830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t first_glyph_index, 12930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t last_glyph_index) { 13030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t length = Builder::DataLength(data, 13130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun index_sub_table_offset, 13230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun first_glyph_index, 13330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun last_glyph_index); 13430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ReadableFontDataPtr new_data; 13530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun new_data.Attach(down_cast<ReadableFontData*>( 13630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun data->Slice(index_sub_table_offset, length))); 13730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (new_data == NULL) { 13830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return NULL; 13930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 14030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTableFormat3BuilderPtr output = 14130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun new IndexSubTableFormat3::Builder(new_data, 14230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun first_glyph_index, 14330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun last_glyph_index); 14430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return output.Detach(); 14530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 14630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 14730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// static 14830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH IndexSubTableFormat3::Builder* 14930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::CreateBuilder(WritableFontData* data, 15030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t index_sub_table_offset, 15130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t first_glyph_index, 15230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t last_glyph_index) { 15330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t length = Builder::DataLength(data, 15430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun index_sub_table_offset, 15530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun first_glyph_index, 15630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun last_glyph_index); 15730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontDataPtr new_data; 15830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun new_data.Attach(down_cast<WritableFontData*>( 15930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun data->Slice(index_sub_table_offset, length))); 16030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTableFormat3BuilderPtr output = 16130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun new IndexSubTableFormat3::Builder(new_data, 16230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun first_glyph_index, 16330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun last_glyph_index); 16430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return output.Detach(); 16530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 16630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 16730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH FontDataTable* IndexSubTableFormat3::Builder::SubBuildTable( 16830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ReadableFontData* data) { 16930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTableFormat3Ptr output = new IndexSubTableFormat3( 17030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun data, first_glyph_index(), last_glyph_index()); 17130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return output.Detach(); 17230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 17330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 17430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid IndexSubTableFormat3::Builder::SubDataSet() { 17530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Revert(); 17630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 17730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 17830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::Builder::SubDataSizeToSerialize() { 17930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (offset_array_.empty()) { 18030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return InternalReadData()->Length(); 18130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 18230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return EblcTable::Offset::kIndexSubHeaderLength + 18330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun offset_array_.size() * DataSize::kULONG; 18430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 18530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 18630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunbool IndexSubTableFormat3::Builder::SubReadyToSerialize() { 18730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (!offset_array_.empty()) { 18830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return true; 18930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 19030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return false; 19130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 19230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 19330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::Builder::SubSerialize( 19430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontData* new_data) { 19530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t size = SerializeIndexSubHeader(new_data); 19630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (!model_changed()) { 19730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (InternalReadData() == NULL) { 19830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return size; 19930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 20030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ReadableFontDataPtr source; 20130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontDataPtr target; 20230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun source.Attach(down_cast<ReadableFontData*>(InternalReadData()->Slice( 20330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun EblcTable::Offset::kIndexSubTable3_offsetArray))); 20430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun target.Attach(down_cast<WritableFontData*>(new_data->Slice( 20530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun EblcTable::Offset::kIndexSubTable3_offsetArray))); 20630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size += source->CopyTo(target); 20730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } else { 20830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (IntegerList::iterator b = GetOffsetArray()->begin(), 20930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun e = GetOffsetArray()->end(); b != e; b++) { 21030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size += new_data->WriteUShort(size, *b); 21130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 21230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 21330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return size; 21430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 21530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 21630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::Builder() 21730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : IndexSubTable::Builder(EblcTable::Offset::kIndexSubTable3_builderDataSize, 21830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTable::Format::FORMAT_3) { 21930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 22030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 22130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::Builder(WritableFontData* data, 22230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t first_glyph_index, 22330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t last_glyph_index) 22430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : IndexSubTable::Builder(data, first_glyph_index, last_glyph_index) { 22530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 22630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 22730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::Builder(ReadableFontData* data, 22830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t first_glyph_index, 22930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t last_glyph_index) 23030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : IndexSubTable::Builder(data, first_glyph_index, last_glyph_index) { 23130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 23230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 23330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIntegerList* IndexSubTableFormat3::Builder::GetOffsetArray() { 23430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (offset_array_.empty()) { 23530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Initialize(InternalReadData()); 23630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun set_model_changed(); 23730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 23830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return &offset_array_; 23930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 24030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 24130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid IndexSubTableFormat3::Builder::Initialize(ReadableFontData* data) { 24230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun offset_array_.clear(); 24330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (data) { 24430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t num_offsets = (last_glyph_index() - first_glyph_index() + 1) + 1; 24530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (int32_t i = 0; i < num_offsets; ++i) { 24630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun offset_array_.push_back(data->ReadUShort( 24730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun EblcTable::Offset::kIndexSubTable3_offsetArray + 24830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun i * DataSize::kUSHORT)); 24930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 25030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 25130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 25230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 25330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// static 25430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t IndexSubTableFormat3::Builder::DataLength( 25530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ReadableFontData* data, 25630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t index_sub_table_offset, 25730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t first_glyph_index, 25830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t last_glyph_index) { 25930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun UNREFERENCED_PARAMETER(data); 26030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun UNREFERENCED_PARAMETER(index_sub_table_offset); 26130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return EblcTable::Offset::kIndexSubHeaderLength + 26230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun (last_glyph_index - first_glyph_index + 1 + 1) * DataSize::kUSHORT; 26330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 26430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 26530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/****************************************************************************** 26630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * IndexSubTableFormat3::Builder::BitmapGlyphInfoIterator class 26730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ******************************************************************************/ 26830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::BitmapGlyphInfoIterator::BitmapGlyphInfoIterator( 26930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTableFormat3::Builder* container) 27030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : RefIterator<BitmapGlyphInfo, IndexSubTableFormat3::Builder, 27130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IndexSubTable::Builder>(container) { 27230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun glyph_id_ = container->first_glyph_index(); 27330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 27430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 27530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunbool IndexSubTableFormat3::Builder::BitmapGlyphInfoIterator::HasNext() { 27630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (glyph_id_ <= container()->last_glyph_index()) { 27730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return true; 27830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 27930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return false; 28030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 28130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 28230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH BitmapGlyphInfo* 28330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunIndexSubTableFormat3::Builder::BitmapGlyphInfoIterator::Next() { 28430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun BitmapGlyphInfoPtr output; 28530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (!HasNext()) { 28630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // Note: In C++, we do not throw exception when there's no element. 28730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return NULL; 28830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 28930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun output = new BitmapGlyphInfo(glyph_id_, 29030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun container()->image_data_offset(), 29130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun container()->GlyphStartOffset(glyph_id_), 29230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun container()->GlyphLength(glyph_id_), 29330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun container()->image_format()); 29430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun glyph_id_++; 29530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return output.Detach(); 29630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 29730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 29830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 299