org.ofdrw.converter.font

类 MemoryTTFDataStream

java.lang.Object

org.ofdrw.converter.font.TTFDataStream

org.ofdrw.converter.font.MemoryTTFDataStream

所有已实现的接口:

Closeable, AutoCloseable

public class MemoryTTFDataStream
extends TTFDataStream

An interface into a data stream.

作者:

Ben Litchfield

构造器概要

构造器

构造器和说明
MemoryTTFDataStream(byte[] data) 构造内存字体随机读取流
MemoryTTFDataStream(InputStream is) Constructor from a stream.

方法概要

限定符和类型	方法和说明
void	close() Close the underlying resources.
long	getCurrentPosition() Get the current position in the stream.
InputStream	getOriginalData() This will get the original data file that was used for this stream.
long	getOriginalDataSize() This will get the original data size that was used for this stream.
int	read() Read an unsigned byte.
int	read(byte[] b, int off, int len)
long	readLong() Read an unsigned byte.
int	readSignedInt() Read a signed integer.
short	readSignedShort() Read an signed short.
int	readUnsignedShort() Read an unsigned short.
void	seek(long pos) Seek into the datasource.

从类继承的方法 org.ofdrw.converter.font.TTFDataStream

read, read32Fixed, readInternationalDate, readSignedByte, readString, readString, readString, readTag, readUnsignedByte, readUnsignedByteArray, readUnsignedInt, readUnsignedShortArray

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

MemoryTTFDataStream

public MemoryTTFDataStream(byte[] data)

构造内存字体随机读取流

参数:

data - 字体数据

MemoryTTFDataStream

public MemoryTTFDataStream(InputStream is)
                    throws IOException

Constructor from a stream.

参数:

is - The stream to read from. It will be closed by this method.

抛出:

IOException - If an error occurs while reading from the stream.

方法详细资料

readLong

public long readLong()
              throws IOException

Read an unsigned byte.

指定者:

readLong 在类中 TTFDataStream

返回:

An unsigned byte.

抛出:

IOException - If there is an error reading the data.

readSignedInt

public int readSignedInt()
                  throws IOException

Read a signed integer.

返回:

A signed integer.

抛出:

IOException - If there is a problem reading the file.

read

public int read()
         throws IOException

Read an unsigned byte.

指定者:

read 在类中 TTFDataStream

返回:

An unsigned byte.

抛出:

IOException - If there is an error reading the data.

readUnsignedShort

public int readUnsignedShort()
                      throws IOException

Read an unsigned short.

指定者:

readUnsignedShort 在类中 TTFDataStream

返回:

An unsigned short.

抛出:

IOException - If there is an error reading the data.

readSignedShort

public short readSignedShort()
                      throws IOException

Read an signed short.

指定者:

readSignedShort 在类中 TTFDataStream

返回:

An signed short.

抛出:

IOException - If there is an error reading the data.

close

public void close()
           throws IOException

Close the underlying resources.

抛出:

IOException - If there is an error closing the resources.

seek

public void seek(long pos)
          throws IOException

Seek into the datasource.

指定者:

seek 在类中 TTFDataStream

参数:

pos - The position to seek to.

抛出:

IOException - If the seek position is negative or larger than MAXINT.

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

指定者:

read 在类中 TTFDataStream

参数:

b - The buffer to write to.

off - The offset into the buffer.

len - The length into the buffer.

返回:

The number of bytes read, or -1 at the end of the stream

抛出:

IOException - If there is an error reading from the stream.

另请参阅:

InputStream.read(byte[], int, int)

getCurrentPosition

public long getCurrentPosition()
                        throws IOException

Get the current position in the stream.

指定者:

getCurrentPosition 在类中 TTFDataStream

返回:

The current position in the stream.

抛出:

IOException - If an error occurs while reading the stream.

getOriginalData

public InputStream getOriginalData()
                            throws IOException

This will get the original data file that was used for this stream.

指定者:

getOriginalData 在类中 TTFDataStream

返回:

The data that was read from.

抛出:

IOException - If there is an issue reading the data.

getOriginalDataSize

public long getOriginalDataSize()

This will get the original data size that was used for this stream.

指定者:

getOriginalDataSize 在类中 TTFDataStream

返回:

The size of the original data.