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java.lang.Objectorg.apache.fontbox.ttf.TTFDataStream
public abstract class TTFDataStream
An interface into a data stream.
Constructor Summary | |
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TTFDataStream()
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Method Summary | |
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abstract void |
close()
Close the underlying resources. |
abstract long |
getCurrentPosition()
Get the current position in the stream. |
abstract InputStream |
getOriginalData()
This will get the original data file that was used for this stream. |
abstract int |
read()
Read an unsigned byte. |
abstract int |
read(byte[] b,
int off,
int len)
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byte[] |
read(int numberOfBytes)
Read a specific number of bytes from the stream. |
float |
read32Fixed()
Read a 16.16 fixed value, where the first 16 bits are the decimal and the last 16 bits are the fraction. |
Calendar |
readInternationalDate()
Read an eight byte international date. |
abstract long |
readLong()
Read an unsigned byte. |
int |
readSignedByte()
Read a signed byte. |
abstract short |
readSignedShort()
Read an signed short. |
String |
readString(int length)
Read a fixed length ascii string. |
String |
readString(int length,
String charset)
Read a fixed length ascii string. |
int[] |
readUnsignedByteArray(int length)
Read an unsigned byte array. |
long |
readUnsignedInt()
Read an unsigned integer. |
abstract int |
readUnsignedShort()
Read an unsigned short. |
int[] |
readUnsignedShortArray(int length)
Read an unsigned short array. |
abstract void |
seek(long pos)
Seek into the datasource. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TTFDataStream()
Method Detail |
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public float read32Fixed() throws IOException
IOException
- If there is an error reading the data.public String readString(int length) throws IOException
length
- The length of the string to read.
IOException
- If there is an error reading the data.public String readString(int length, String charset) throws IOException
length
- The length of the string to read in bytes.charset
- The expected character set of the string.
IOException
- If there is an error reading the data.public abstract int read() throws IOException
IOException
- If there is an error reading the data.public abstract long readLong() throws IOException
IOException
- If there is an error reading the data.public int readSignedByte() throws IOException
IOException
- If there is an error reading the data.public long readUnsignedInt() throws IOException
IOException
- If there is an error reading the data.public abstract int readUnsignedShort() throws IOException
IOException
- If there is an error reading the data.public int[] readUnsignedByteArray(int length) throws IOException
IOException
- If there is an error reading the data.public int[] readUnsignedShortArray(int length) throws IOException
length
- The length of the array to read.length
- The length of the array to read.
IOException
- If there is an error reading the data.public abstract short readSignedShort() throws IOException
IOException
- If there is an error reading the data.public Calendar readInternationalDate() throws IOException
IOException
- If there is an error reading the data.public abstract void close() throws IOException
IOException
- If there is an error closing the resources.public abstract void seek(long pos) throws IOException
pos
- The position to seek to.
IOException
- If there is an error seeking to that position.public byte[] read(int numberOfBytes) throws IOException
numberOfBytes
- The number of bytes to read.
IOException
- If there is an error while reading.public abstract int read(byte[] b, int off, int len) throws IOException
b
- The buffer to write to.off
- The offset into the buffer.len
- The length into the buffer.
IOException
- If there is an error reading from the stream.InputStream.read( byte[], int, int )
public abstract long getCurrentPosition() throws IOException
IOException
- If an error occurs while reading the stream.public abstract InputStream getOriginalData() throws IOException
IOException
- If there is an issue reading the data.
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