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/core/horizontal_device_metrics_table.h" 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/****************************************************************************** 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * HorizontalDeviceMetricsTable class 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ******************************************************************************/ 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunHorizontalDeviceMetricsTable:: ~HorizontalDeviceMetricsTable() {} 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t HorizontalDeviceMetricsTable::Version() { 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return data_->ReadUShort(Offset::kVersion); 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t HorizontalDeviceMetricsTable::NumRecords() { 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return data_->ReadShort(Offset::kNumRecords); 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t HorizontalDeviceMetricsTable::RecordSize() { 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return data_->ReadLong(Offset::kSizeDeviceRecord); 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t HorizontalDeviceMetricsTable::PixelSize(int32_t record_index) { 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (record_index < 0 || record_index >= NumRecords()) { 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#if !defined (SFNTLY_NO_EXCEPTION) 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun throw IndexOutOfBoundsException(); 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return -1; 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return data_->ReadUByte(Offset::kRecords + record_index * RecordSize() + 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Offset::kDeviceRecordPixelSize); 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t HorizontalDeviceMetricsTable::MaxWidth(int32_t record_index) { 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (record_index < 0 || record_index >= NumRecords()) { 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#if !defined (SFNTLY_NO_EXCEPTION) 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun throw IndexOutOfBoundsException(); 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return -1; 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return data_->ReadUByte(Offset::kRecords + record_index * RecordSize() + 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Offset::kDeviceRecordMaxWidth); 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t HorizontalDeviceMetricsTable::Width(int32_t record_index, 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t glyph_num) { 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (record_index < 0 || record_index >= NumRecords() || 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun glyph_num < 0 || glyph_num >= num_glyphs_) { 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#if !defined (SFNTLY_NO_EXCEPTION) 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun throw IndexOutOfBoundsException(); 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return -1; 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return data_->ReadUByte(Offset::kRecords + record_index * RecordSize() + 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Offset::kDeviceRecordWidths + glyph_num); 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunHorizontalDeviceMetricsTable::HorizontalDeviceMetricsTable( 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Header* header, 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ReadableFontData* data, 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t num_glyphs) 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : Table(header, data), num_glyphs_(num_glyphs) { 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/****************************************************************************** 8030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * HorizontalDeviceMetricsTable::Builder class 8130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ******************************************************************************/ 8230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunHorizontalDeviceMetricsTable::Builder::Builder(Header* header, 8330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontData* data) 8430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : TableBasedTableBuilder(header, data), num_glyphs_(-1) { 8530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 8630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunHorizontalDeviceMetricsTable::Builder::Builder(Header* header, 8830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ReadableFontData* data) 8930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun : TableBasedTableBuilder(header, data), num_glyphs_(-1) { 9030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 9130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunHorizontalDeviceMetricsTable::Builder::~Builder() {} 9330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH FontDataTable* 9530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunHorizontalDeviceMetricsTable::Builder::SubBuildTable(ReadableFontData* data) { 9630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontDataTablePtr table = new HorizontalDeviceMetricsTable(header(), data, 9730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun num_glyphs_); 9830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return table.Detach(); 9930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 10030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 10130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid HorizontalDeviceMetricsTable::Builder::SetNumGlyphs(int32_t num_glyphs) { 10230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (num_glyphs < 0) { 10330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#if !defined (SFNTLY_NO_EXCEPTION) 10430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun throw IllegalArgumentException("Number of glyphs can't be negative."); 10530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif 10630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return; 10730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 10830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun num_glyphs_ = num_glyphs; 10930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun HorizontalDeviceMetricsTable* table = 11030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun down_cast<HorizontalDeviceMetricsTable*>(GetTable()); 11130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (table) { 11230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun table->num_glyphs_ = num_glyphs; 11330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 11430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 11530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 11630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH HorizontalDeviceMetricsTable::Builder* 11730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunHorizontalDeviceMetricsTable::Builder::CreateBuilder(Header* header, 11830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontData* data) { 11930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<HorizontalDeviceMetricsTable::Builder> builder; 12030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun builder = new HorizontalDeviceMetricsTable::Builder(header, data); 12130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return builder.Detach(); 12230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 12330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 12430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 125