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An Open Source JavaFX PDF Viewer
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2015 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* Vector_Short.java
* ---------------
*/
package org.jpedal.utils.repositories;
import java.io.Serializable;
/**
* Provides the functionality/convenience of a Vector for shorts
*
* Much faster because not synchronized and no cast
* Does not double in size each time
*/
public class Vector_Short implements Serializable
{
//how much we resize each time - will be doubled up to 160
int increment_size = 1000;
protected int current_item;
//current max size
int max_size = 250;
//holds the data
private short[] items = new short[max_size];
protected static int incrementSize(int increment_size){
if(increment_size<8000) {
increment_size *= 4;
} else if(increment_size<16000) {
increment_size *= 2;
} else {
increment_size += 2000;
}
return increment_size;
}
//set size
public Vector_Short( final int number )
{
max_size = number;
items = new short[max_size];
}
///////////////////////////////////
///////////////////////////////////
/**
* extract underlying data
*/
public final short[] get()
{
return items;
}
///////////////////////////////////
///////////////////////////////////
///////////////////////////////////
///////////////////////////////////
///////////////////////////////////
////////////////////////////////////
/////////////////////////////////////
/////////////////////////////////////
///////////////////////////////////
/**
* add an item
*/
public final void addElement( final short value )
{
checkSize( current_item );
items[current_item] = value;
current_item++;
}
////////////////////////////////////
/**
* check the size of the array and increase if needed
*/
private void checkSize( final int i )
{
if( i >= max_size )
{
final int old_size = max_size;
max_size += increment_size;
//allow for it not creating space
if( max_size <= i ) {
max_size = i +increment_size+ 2;
}
final short[] temp = items;
items = new short[max_size];
System.arraycopy( temp, 0, items, 0, old_size );
//increase size increase for next time
increment_size=incrementSize(increment_size);
}
}
}