org.apache.pdfbox.pdmodel.interactive.documentnavigation.destination.PDPageXYZDestination Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of pdfbox Show documentation
Show all versions of pdfbox Show documentation
The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pdfbox.pdmodel.interactive.documentnavigation.destination;
import org.apache.pdfbox.cos.COSArray;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSFloat;
import org.apache.pdfbox.cos.COSNumber;
/**
* This represents a destination to a page at an x,y coordinate with a zoom setting.
* The default x,y,z will be whatever is the current value in the viewer application and
* are not required.
*
* @author Ben Litchfield
* @version $Revision: 1.2 $
*/
public class PDPageXYZDestination extends PDPageDestination
{
/**
* The type of this destination.
*/
protected static final String TYPE = "XYZ";
/**
* Default constructor.
*
*/
public PDPageXYZDestination()
{
super();
array.growToSize(5);
array.setName( 1, TYPE );
}
/**
* Constructor from an existing destination array.
*
* @param arr The destination array.
*/
public PDPageXYZDestination( COSArray arr )
{
super( arr );
}
/**
* Get the left x coordinate. Return values of 0 or -1 imply that the current x-coordinate
* will be used.
*
* @return The left x coordinate.
*/
public int getLeft()
{
return array.getInt( 2 );
}
/**
* Set the left x-coordinate, values 0 or -1 imply that the current x-coordinate
* will be used.
* @param x The left x coordinate.
*/
public void setLeft( int x )
{
array.growToSize( 3 );
if( x == -1 )
{
array.set( 2, (COSBase)null );
}
else
{
array.setInt( 2, x );
}
}
/**
* Get the top y coordinate. Return values of 0 or -1 imply that the current y-coordinate
* will be used.
*
* @return The top y coordinate.
*/
public int getTop()
{
return array.getInt( 3 );
}
/**
* Set the top y-coordinate, values 0 or -1 imply that the current y-coordinate
* will be used.
* @param y The top ycoordinate.
*/
public void setTop( int y )
{
array.growToSize( 4 );
if( y == -1 )
{
array.set( 3, (COSBase)null );
}
else
{
array.setInt( 3, y );
}
}
/**
* Get the zoom value. Return values of 0 or -1 imply that the current zoom
* will be used.
*
* @return The zoom value for the page.
*/
public float getZoom()
{
COSBase obj = array.getObject(4);
if (obj instanceof COSNumber)
{
return ((COSNumber) obj).floatValue();
}
return -1;
}
/**
* Set the zoom value for the page, values 0 or -1 imply that the current zoom
* will be used.
* @param zoom The zoom value.
*/
public void setZoom( float zoom )
{
array.growToSize( 5 );
if( zoom == -1 )
{
array.set( 4, (COSBase)null );
}
else
{
array.set( 4, new COSFloat(zoom) );
}
}
}