pdpagefitdestination.java

非常有用的操作pdf文件的java源码

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 * Copyright (c) 2005, www.pdfbox.org
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package org.pdfbox.pdmodel.interactive.documentnavigation.destination;

import org.pdfbox.cos.COSArray;

/**
 * This represents a destination to a page and the page contents will be magnified to just 
 * fit on the screen.
 *
 * @author <a href="mailto:[e-mail]">Ben Litchfield</a>
 * @version $Revision: 1.2 $
 */
public class PDPageFitDestination extends PDPageDestination
{
    /**
     * The type of this destination.
     */
    protected static final String TYPE = "Fit";
    /**
     * The type of this destination.
     */
    protected static final String TYPE_BOUNDED = "FitB";
    
    /**
     * Default constructor.
     *
     */
    public PDPageFitDestination()
    {
        super();
        array.growToSize(2);
        array.setName( 1, TYPE );
        
    }
    
    /**
     * Constructor from an existing destination array.
     * 
     * @param arr The destination array.
     */
    public PDPageFitDestination( COSArray arr )
    {
        super( arr );
    }
    
    /**
     * A flag indicating if this page destination should just fit bounding box of the PDF.
     * 
     * @return true If the destination should fit just the bounding box.
     */
    public boolean fitBoundingBox()
    {
        return TYPE_BOUNDED.equals( array.getName( 1 ) );
    }
    
    /**
     * Set if this page destination should just fit the bounding box.  The default is false.
     * 
     * @param fitBoundingBox A flag indicating if this should fit the bounding box.
     */
    public void setFitBoundingBox( boolean fitBoundingBox )
    {
        array.growToSize( 2 );
        if( fitBoundingBox )
        {
            array.setName( 1, TYPE_BOUNDED );
        }
        else
        {
            array.setName( 1, TYPE );
        }
    }
}