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#ifndef SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_EBSC_TABLE_H_ 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_EBSC_TABLE_H_ 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/table/bitmap/eblc_table.h" 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunclass EbscTable : public Table, 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public RefCounted<EbscTable> { 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public: 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun struct Offset { 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun enum { 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // header 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kVersion = 0, 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kNumSizes = DataSize::kFixed, 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kHeaderLength = kNumSizes + DataSize::kULONG, 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kBitmapScaleTableStart = kHeaderLength, 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // bitmapScaleTable 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kBitmapScaleTable_hori = 0, 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kBitmapScaleTable_vert = EblcTable::Offset::kSbitLineMetricsLength, 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kBitmapScaleTable_ppemX = kBitmapScaleTable_vert + 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun EblcTable::Offset::kSbitLineMetricsLength, 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kBitmapScaleTable_ppemY = kBitmapScaleTable_ppemX + DataSize::kBYTE, 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kBitmapScaleTable_substitutePpemX = kBitmapScaleTable_ppemY + 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun DataSize::kBYTE, 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kBitmapScaleTable_substitutePpemY = kBitmapScaleTable_substitutePpemX + 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun DataSize::kBYTE, 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun kBitmapScaleTableLength = kBitmapScaleTable_substitutePpemY + 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun DataSize::kBYTE, 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun }; 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun }; 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun class BitmapScaleTable : public SubTable, 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public RefCounted<BitmapScaleTable> { 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public: 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual ~BitmapScaleTable(); 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t PpemX(); 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t PpemY(); 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t SubstitutePpemX(); 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t SubstitutePpemY(); 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun protected: 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // Note: caller to do data->Slice(offset, Offset::kBitmapScaleTableLength) 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun explicit BitmapScaleTable(ReadableFontData* data); 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun }; 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // TODO(stuartg): currently the builder just builds from initial data 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // - need to make fully working but few if any examples to test with 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun class Builder : public Table::Builder, 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public RefCounted<Builder> { 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public: 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual ~Builder(); 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun static CALLER_ATTACH Builder* CreateBuilder(Header* header, 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun WritableFontData* data); 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun protected: 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Builder(Header* header, WritableFontData* data); 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Builder(Header* header, ReadableFontData* data); 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual CALLER_ATTACH FontDataTable* SubBuildTable(ReadableFontData* data); 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void SubDataSet(); 8030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t SubDataSizeToSerialize(); 8130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual bool SubReadyToSerialize(); 8230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t SubSerialize(WritableFontData* new_data); 8330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun }; 8430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual ~EbscTable(); 8630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t Version(); 8830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t NumSizes(); 8930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // Note: renamed from bitmapScaleTable 9030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun CALLER_ATTACH BitmapScaleTable* GetBitmapScaleTable(int32_t index); 9130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun private: 9330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun EbscTable(Header* header, ReadableFontData* data); 9430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun friend class Builder; 9530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun}; 9630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Guruntypedef Ptr<EbscTable> EbscTablePtr; 9730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Guruntypedef Ptr<EbscTable::Builder> EbscTableBuilderPtr; 9830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 10030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 10130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_EBSC_TABLE_H_ 102