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/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2006 - 2009 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.fonts;
/**
* Reads byte-data using a Little-Endian access schema. Little-Endian is used for Type1 fonts.
*
* @author Thomas Morgner
*/
public class LEByteAccessUtilities
{
private LEByteAccessUtilities()
{
}
public static int readUShort (final byte[] data, final int pos)
{
return ((data[pos + 1] & 0xff) << 8) | (data[pos] & 0xff);
}
public static long readULong (final byte[] data, final int pos)
{
final int c1 = (data[pos] & 0xff);
final int c2 = (data[pos + 1] & 0xff);
final int c3 = (data[pos + 2] & 0xff);
final int c4 = (data[pos + 3] & 0xff);
long retval = ((long) c4 << 24);
retval |= (long)c3 << 16;
retval |= (long)c2 << 8;
retval |= (long)c1;
return retval;
}
public static long readLongDateTime (final byte[] data, final int pos)
{
final int c1 = (data[pos] & 0xff);
final int c2 = (data[pos + 1] & 0xff);
final int c3 = (data[pos + 2] & 0xff);
final int c4 = (data[pos + 3] & 0xff);
final int c5 = (data[pos + 4] & 0xff);
final int c6 = (data[pos + 5] & 0xff);
final int c7 = (data[pos + 6] & 0xff);
final int c8 = (data[pos + 7] & 0xff);
long retval = ((long) c8 << 56);
retval |= (long)c7 << 48;
retval |= (long)c6 << 40;
retval |= (long)c5 << 32;
retval |= (long)c4 << 24;
retval |= (long)c3 << 16;
retval |= (long)c2 << 8;
retval |= (long)c1;
return retval;
}
public static short readShort (final byte[] data, final int pos)
{
return (short) ((data[pos + 1] & 0xff) << 8 | (data[pos] & 0xff));
}
public static int readLong (final byte[] data, final int pos)
{
int retval = 0;
retval |= (long)(data[pos + 3] & 0xff) << 24;
retval |= (long)(data[pos + 2] & 0xff) << 16;
retval |= (long)(data[pos + 1] & 0xff) << 8;
retval |= (long)(data[pos ] & 0xff);
return retval;
}
}
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