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package org.pdfbox.pdmodel.fdf;
import org.pdfbox.cos.COSArray;
import org.pdfbox.cos.COSBase;
import org.pdfbox.cos.COSDictionary;
import org.pdfbox.pdmodel.common.COSObjectable;
import org.pdfbox.pdmodel.common.PDRange;
/**
* This represents an Icon fit dictionary for an FDF field.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.3 $
*/
public class FDFIconFit implements COSObjectable
{
private COSDictionary fit;
/**
* A scale option.
*/
public static final String SCALE_OPTION_ALWAYS = "A";
/**
* A scale option.
*/
public static final String SCALE_OPTION_ONLY_WHEN_ICON_IS_BIGGER = "B";
/**
* A scale option.
*/
public static final String SCALE_OPTION_ONLY_WHEN_ICON_IS_SMALLER = "S";
/**
* A scale option.
*/
public static final String SCALE_OPTION_NEVER = "N";
/**
* Scale to fill with of annotation, disregarding aspect ratio.
*/
public static final String SCALE_TYPE_ANAMORPHIC = "A";
/**
* Scale to fit width or height, smaller of two, while retaining aspect ration.
*/
public static final String SCALE_TYPE_PROPORTIONAL = "P";
/**
* Default constructor.
*/
public FDFIconFit()
{
fit = new COSDictionary();
}
/**
* Constructor.
*
* @param f The icon fit dictionary.
*/
public FDFIconFit( COSDictionary f )
{
fit = f;
}
/**
* Convert this standard java object to a COS object.
*
* @return The cos object that matches this Java object.
*/
public COSBase getCOSObject()
{
return fit;
}
/**
* Convert this standard java object to a COS object.
*
* @return The cos object that matches this Java object.
*/
public COSDictionary getCOSDictionary()
{
return fit;
}
/**
* This will get the scale option. See the SCALE_OPTION_XXX constants. This
* is guaranteed to never return null. Default: Always
*
* @return The scale option.
*/
public String getScaleOption()
{
String retval = fit.getNameAsString( "SW" );
if( retval == null )
{
retval = SCALE_OPTION_ALWAYS;
}
return retval;
}
/**
* This will set the scale option for the icon. Set the SCALE_OPTION_XXX constants.
*
* @param option The scale option.
*/
public void setScaleOption( String option )
{
fit.setName( "SW", option );
}
/**
* This will get the scale type. See the SCALE_TYPE_XXX constants. This is
* guaranteed to never return null. Default: Proportional
*
* @return The scale type.
*/
public String getScaleType()
{
String retval = fit.getNameAsString( "S" );
if( retval == null )
{
retval = SCALE_TYPE_PROPORTIONAL;
}
return retval;
}
/**
* This will set the scale type. See the SCALE_TYPE_XXX constants.
*
* @param scale The scale type.
*/
public void setScaleType( String scale )
{
fit.setName( "S", scale );
}
/**
* This is guaranteed to never return null.<br />
*
* To quote the PDF Spec
* "An array of two numbers between 0.0 and 1.0 indicating the fraction of leftover
* space to allocate at the left and bottom of the icon. A value of [0.0 0.0] positions the
* icon at the bottom-left corner of the annotation rectangle; a value of [0.5 0.5] centers it
* within the rectangle. This entry is used only if the icon is scaled proportionally. Default
* value: [0.5 0.5]."
*
* @return The fractional space to allocate.
*/
public PDRange getFractionalSpaceToAllocate()
{
PDRange retval = null;
COSArray array = (COSArray)fit.getDictionaryObject( "A" );
if( array == null )
{
retval = new PDRange();
retval.setMin( .5f );
retval.setMax( .5f );
setFractionalSpaceToAllocate( retval );
}
else
{
retval = new PDRange( array );
}
return retval;
}
/**
* This will set frational space to allocate.
*
* @param space The space to allocate.
*/
public void setFractionalSpaceToAllocate( PDRange space )
{
fit.setItem( "A", space );
}
/**
* This will tell if the icon should scale to fit the annotation bounds. Default: false
*
* @return A flag telling if the icon should scale.
*/
public boolean shouldScaleToFitAnnotation()
{
return fit.getBoolean( "FB", false );
}
/**
* This will tell the icon to scale.
*
* @param value The flag value.
*/
public void setScaleToFitAnnotation( boolean value )
{
fit.setBoolean( "FB", value );
}
}