FontFileReader (Apache FOP 2.1 API)

java.lang.Object
- org.apache.fop.fonts.truetype.FontFileReader

```
public class FontFileReader
extends java.lang.Object
```
Reads a TrueType font file into a byte array and provides file like functions for array access.

Constructor Summary

Constructors
Constructor Description

FontFileReader(java.io.InputStream in)
Constructor

Constructors
Constructor	Description
`FontFileReader(java.io.InputStream in)`	Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`byte[]`	`getAllBytes()`	Returns the full byte array representation of the file.
`byte[]`	`getBytes(int offset, int length)`	Return a copy of the internal array
`int`	`getCurrentPos()`	Returns current file position.
`int`	`getFileSize()`	Returns the size of the file.
`byte`	`readTTFByte()`	Read 1 signed byte.
`int`	`readTTFLong()`	Read 4 bytes.
`short`	`readTTFShort()`	Read 2 bytes signed.
`short`	`readTTFShort(long pos)`	Read 2 bytes signed at position pos without changing current position.
`java.lang.String`	`readTTFString()`	Read a NUL terminated ISO-8859-1 string.
`java.lang.String`	`readTTFString(int len)`	Read an ISO-8859-1 string of len bytes.
`java.lang.String`	`readTTFString(int len, int encodingID)`	Read an ISO-8859-1 string of len bytes.
`int`	`readTTFUByte()`	Read 1 unsigned byte.
`long`	`readTTFULong()`	Read 4 bytes.
`int`	`readTTFUShort()`	Read 2 bytes unsigned.
`int`	`readTTFUShort(long pos)`	Read 2 bytes unsigned at position pos without changing current position.
`void`	`seekSet(long offset)`	Set current file position to offset
`void`	`skip(long add)`	Skip a given number of bytes.
`void`	`writeTTFUShort(long pos, int val)`	Write a USHort at a given position.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FontFileReader
```
public FontFileReader(java.io.InputStream in)
               throws java.io.IOException
```
    Constructor
    
    Parameters:
    
    in - InputStream to read from
    
    Throws:
    
    java.io.IOException - In case of an I/O problem
- Method Detail
  - seekSet
```
public void seekSet(long offset)
             throws java.io.IOException
```
    Set current file position to offset
    
    Parameters:
    
    offset - The new offset to set
    
    Throws:
    
    java.io.IOException - In case of an I/O problem
  - skip
```
public void skip(long add)
          throws java.io.IOException
```
    Skip a given number of bytes.
    
    Parameters:
    
    add - The number of bytes to advance
    
    Throws:
    
    java.io.IOException - In case of an I/O problem
  - getCurrentPos
```
public int getCurrentPos()
```
    Returns current file position.
    
    Returns:
    
    int The current position.
  - getFileSize
```
public int getFileSize()
```
    Returns the size of the file.
    
    Returns:
    
    int The filesize
  - readTTFByte
```
public final byte readTTFByte()
                       throws java.io.IOException
```
    Read 1 signed byte.
    
    Returns:
    
    One byte
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFUByte
```
public final int readTTFUByte()
                       throws java.io.IOException
```
    Read 1 unsigned byte.
    
    Returns:
    
    One unsigned byte
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFShort
```
public final short readTTFShort()
                         throws java.io.IOException
```
    Read 2 bytes signed.
    
    Returns:
    
    One signed short
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFUShort
```
public final int readTTFUShort()
                        throws java.io.IOException
```
    Read 2 bytes unsigned.
    
    Returns:
    
    One unsigned short
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - writeTTFUShort
```
public final void writeTTFUShort(long pos,
                                 int val)
                          throws java.io.IOException
```
    Write a USHort at a given position.
    
    Parameters:
    
    pos - The absolute position to write to
    
    val - The value to write
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFShort
```
public final short readTTFShort(long pos)
                         throws java.io.IOException
```
    Read 2 bytes signed at position pos without changing current position.
    
    Parameters:
    
    pos - The absolute position to read from
    
    Returns:
    
    One signed short
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFUShort
```
public final int readTTFUShort(long pos)
                        throws java.io.IOException
```
    Read 2 bytes unsigned at position pos without changing current position.
    
    Parameters:
    
    pos - The absolute position to read from
    
    Returns:
    
    One unsigned short
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFLong
```
public final int readTTFLong()
                      throws java.io.IOException
```
    Read 4 bytes.
    
    Returns:
    
    One signed integer
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFULong
```
public final long readTTFULong()
                        throws java.io.IOException
```
    Read 4 bytes.
    
    Returns:
    
    One unsigned integer
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFString
```
public final java.lang.String readTTFString()
                                     throws java.io.IOException
```
    Read a NUL terminated ISO-8859-1 string.
    
    Returns:
    
    A String
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFString
```
public final java.lang.String readTTFString(int len)
                                     throws java.io.IOException
```
    Read an ISO-8859-1 string of len bytes.
    
    Parameters:
    
    len - The length of the string to read
    
    Returns:
    
    A String
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - readTTFString
```
public final java.lang.String readTTFString(int len,
                                            int encodingID)
                                     throws java.io.IOException
```
    Read an ISO-8859-1 string of len bytes.
    
    Parameters:
    
    len - The length of the string to read
    
    encodingID - the string encoding id (presently ignored; always uses UTF-16BE)
    
    Returns:
    
    A String
    
    Throws:
    
    java.io.IOException - If EOF is reached
  - getBytes
```
public byte[] getBytes(int offset,
                       int length)
                throws java.io.IOException
```
    Return a copy of the internal array
    
    Parameters:
    
    offset - The absolute offset to start reading from
    
    length - The number of bytes to read
    
    Returns:
    
    An array of bytes
    
    Throws:
    
    java.io.IOException - if out of bounds
  - getAllBytes
```
public byte[] getAllBytes()
```
    Returns the full byte array representation of the file.
    
    Returns:
    
    byte array.

Class FontFileReader

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

FontFileReader

Method Detail

seekSet

skip

getCurrentPos

getFileSize

readTTFByte

readTTFUByte

readTTFShort

readTTFUShort

writeTTFUShort

readTTFShort

readTTFUShort

readTTFLong

readTTFULong

readTTFString

readTTFString

readTTFString

getBytes

getAllBytes