diff options
Diffstat (limited to 'src/main/java/org/pdfbox/ttf/TTFDataStream.java')
| -rw-r--r-- | src/main/java/org/pdfbox/ttf/TTFDataStream.java | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/src/main/java/org/pdfbox/ttf/TTFDataStream.java b/src/main/java/org/pdfbox/ttf/TTFDataStream.java deleted file mode 100644 index c4cf19d..0000000 --- a/src/main/java/org/pdfbox/ttf/TTFDataStream.java +++ /dev/null @@ -1,253 +0,0 @@ -/**
- * Copyright (c) 2004-2005, www.pdfbox.org
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of pdfbox; nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * http://www.pdfbox.org
- *
- */
-package org.pdfbox.ttf;
-
-import java.io.EOFException;
-import java.io.IOException;
-
-import java.util.Calendar;
-import java.util.GregorianCalendar;
-
-import org.pdfbox.pdmodel.common.PDStream;
-
-/**
- * An interface into a data stream.
- *
- * @author Ben Litchfield (ben@benlitchfield.com)
- * @version $Revision: 1.5 $
- */
-public abstract class TTFDataStream
-{
-
- /**
- * Read a 16.16 fixed value, where the first 16 bits are the decimal and the last
- * 16 bits are the fraction.
- * @return A 32 bit value.
- * @throws IOException If there is an error reading the data.
- */
- public float read32Fixed() throws IOException
- {
- float retval = 0;
- retval = readSignedShort();
- retval += (readUnsignedShort()/65536);
- return retval;
- }
-
- /**
- * Read a fixed length ascii string.
- * @param length The length of the string to read.
- * @return A string of the desired length.
- * @throws IOException If there is an error reading the data.
- */
- public String readString( int length ) throws IOException
- {
- return readString( length, "ISO-8859-1" );
- }
-
- /**
- * Read a fixed length ascii string.
- * @param length The length of the string to read in bytes.
- * @param charset The expected character set of the string.
- * @return A string of the desired length.
- * @throws IOException If there is an error reading the data.
- */
- public String readString( int length, String charset ) throws IOException
- {
- byte[] buffer = read( length );
- return new String(buffer, charset);
- }
-
- /**
- * Read an unsigned byte.
- * @return An unsigned byte.
- * @throws IOException If there is an error reading the data.
- */
- public abstract int read() throws IOException;
-
- /**
- * Read an unsigned byte.
- * @return An unsigned byte.
- * @throws IOException If there is an error reading the data.
- */
- public abstract long readLong() throws IOException;
-
-
- /**
- * Read a signed byte.
- * @return A signed byte.
- * @throws IOException If there is an error reading the data.
- */
- public int readSignedByte() throws IOException
- {
- int signedByte = read();
- return signedByte < 127 ? signedByte : signedByte-256;
- }
-
- /**
- * Read an unsigned integer.
- * @return An unsiged integer.
- * @throws IOException If there is an error reading the data.
- */
- public long readUnsignedInt() throws IOException
- {
- long byte1 = read();
- long byte2 = read();
- long byte3 = read();
- long byte4 = read();
- if( byte4 < 0 )
- {
- throw new EOFException();
- }
- return (byte1 << 24) + (byte2 << 16) + (byte3 << 8) + (byte4 << 0);
- }
-
- /**
- * Read an unsigned short.
- *
- * @return An unsigned short.
- * @throws IOException If there is an error reading the data.
- */
- public abstract int readUnsignedShort() throws IOException;
-
- /**
- * Read an unsigned short array.
- *
- * @param length The length of the array to read.
- * @return An unsigned short array.
- * @throws IOException If there is an error reading the data.
- */
- public int[] readUnsignedShortArray( int length ) throws IOException
- {
- int[] array = new int[ length ];
- for( int i=0; i<length; i++ )
- {
- array[i] = readUnsignedShort();
- }
- return array;
- }
-
- /**
- * Read an signed short.
- *
- * @return An signed short.
- * @throws IOException If there is an error reading the data.
- */
- public abstract short readSignedShort() throws IOException;
-
- /**
- * Read an eight byte international date.
- *
- * @return An signed short.
- * @throws IOException If there is an error reading the data.
- */
- public Calendar readInternationalDate() throws IOException
- {
- long secondsSince1904 = readLong();
- GregorianCalendar cal = new GregorianCalendar( 1904, 0, 1 );
- long millisFor1904 = cal.getTimeInMillis();
- millisFor1904 += (secondsSince1904*1000);
- cal.setTimeInMillis( millisFor1904 );
- return cal;
- }
-
- /**
- * Close the underlying resources.
- *
- * @throws IOException If there is an error closing the resources.
- */
- public abstract void close() throws IOException;
-
- /**
- * Seek into the datasource.
- *
- * @param pos The position to seek to.
- * @throws IOException If there is an error seeking to that position.
- */
- public abstract void seek(long pos) throws IOException;
-
- /**
- * Read a specific number of bytes from the stream.
- * @param numberOfBytes The number of bytes to read.
- * @return The byte buffer.
- * @throws IOException If there is an error while reading.
- */
- public byte[] read( int numberOfBytes ) throws IOException
- {
- byte[] data = new byte[ numberOfBytes ];
- int amountRead = 0;
- int totalAmountRead = 0;
- while( (amountRead = read( data, totalAmountRead, numberOfBytes-totalAmountRead ) ) != -1 &&
- totalAmountRead < numberOfBytes )
- {
- totalAmountRead += amountRead;
- //read at most numberOfBytes bytes from the stream.
- }
- return data;
- }
-
- /**
- * @see java.io.InputStream#read( byte[], int, int )
- *
- * @param b The buffer to write to.
- * @param off The offset into the buffer.
- * @param len The length into the buffer.
- *
- * @return The number of bytes read.
- *
- * @throws IOException If there is an error reading from the stream.
- */
- public abstract int read(byte[] b,
- int off,
- int len)
- throws IOException;
-
- /**
- * Get the current position in the stream.
- * @return The current position in the stream.
- * @throws IOException If an error occurs while reading the stream.
- */
- public abstract long getCurrentPosition() throws IOException;
-
- /**
- * Get a COSStream from this TTFDataStream
- * This permit to pass the data read from an
- * external source to the COSObjects to keep
- * a certain persistence layer between specialized
- * objects like the TTF package and the pdmodel package.
- *
- * Created by Pascal Allain
- * Vertical7 Inc.
- *
- * @return COSStream describing this stream
- */
- public abstract PDStream getPDStream();
-
-}
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