org.jpedal.utils.repositories.Vector_Float Maven / Gradle / Ivy
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2016 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_Float.java
* ---------------
*/
package org.jpedal.utils.repositories;
import java.io.Serializable;
/**
* Provides the functionality/convenience of a Vector for floats
*
* Much faster because not synchronized and no cast
* Does not double in size each time
*/
public class Vector_Float 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 float[] items = new float[max_size];
//default size
public Vector_Float()
{
}
//set size
public Vector_Float( final int number )
{
max_size = number;
items = new float[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;
}
/**
* extract underlying data
*/
public final float[] get()
{
return items;
}
/**
* add an item
*/
public final void addElement( final float value )
{
if(current_item>=max_size) {
checkSize( current_item );
}
items[current_item] = value;
current_item++;
}
/**
* remove element at
*/
public final float elementAt( final int id )
{
if( id >= max_size ) {
return 0f;
} else {
return items[id];
}
}
///////////////////////////////////
/**
* clear the array
*/
public final void clear()
{
//items = null;
//holds the data
//items = new float[max_size];
if(current_item>0){
for(int i=0;i=0) {
checkPoint=current_item;
//System.out.println("CheckPoint Set : " + current_item);
}
}
}