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_DATA_FONT_OUTPUT_STREAM_H_ 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#define SFNTLY_CPP_SRC_SFNTLY_DATA_FONT_OUTPUT_STREAM_H_ 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/port/type.h" 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/port/output_stream.h" 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// An output stream for writing font data. 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// The data types used are as listed: 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// BYTE 8-bit unsigned integer. 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// CHAR 8-bit signed integer. 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// USHORT 16-bit unsigned integer. 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// SHORT 16-bit signed integer. 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// UINT24 24-bit unsigned integer. 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// ULONG 32-bit unsigned integer. 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// LONG 32-bit signed integer. 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// Fixed 32-bit signed fixed-point number (16.16) 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// FUNIT Smallest measurable distance in the em space. 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// FWORD 16-bit signed integer (SHORT) that describes a quantity in FUnits. 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// UFWORD 16-bit unsigned integer (USHORT) that describes a quantity in 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// FUnits. 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// F2DOT14 16-bit signed fixed number with the low 14 bits of fraction (2.14) 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// LONGDATETIME Date represented in number of seconds since 12:00 midnight, 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// January 1, 1904. The value is represented as a signed 64-bit 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// integer. 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// Note: The wrapped output stream is *NOT* reference counted (because it's 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// meaningless to ref-count an I/O stream). 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunclass FontOutputStream : public OutputStream { 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public: 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun explicit FontOutputStream(OutputStream* os); 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual ~FontOutputStream(); 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual size_t position() { return position_; } 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Write(byte_t b); 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Write(ByteVector* b); 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Write(ByteVector* b, int32_t off, int32_t len); 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Write(byte_t* b, int32_t off, int32_t len); 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void WriteChar(byte_t c); 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void WriteUShort(int32_t us); 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void WriteShort(int32_t s); 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void WriteUInt24(int32_t ui); 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void WriteULong(int64_t ul); 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void WriteLong(int64_t l); 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void WriteFixed(int32_t l); 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void WriteDateTime(int64_t date); 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // Note: C++ port only. 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Flush(); 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Close(); 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun private: 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // Note: we do not use the variable name out as in Java because it has 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // special meaning in VC++ and will be very confusing. 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun OutputStream* stream_; 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size_t position_; 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun}; 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif // SFNTLY_CPP_SRC_SFNTLY_DATA_FONT_OUTPUT_STREAM_H_ 80