/*
Copyright 2009-2010 Stefano Chizzolini. http://www.pdfclown.org
Contributors:
* Stefano Chizzolini (original code developer, http://www.stefanochizzolini.it)
This file should be part of the source code distribution of "PDF Clown library"
(the Program): see the accompanying README files for more info.
This Program 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 3 of the License, or (at your option) any later version.
This Program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY,
either expressed or implied; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the License for more details.
You should have received a copy of the GNU Lesser General Public License along with this
Program (see README files); if not, go to the GNU website (http://www.gnu.org/licenses/).
Redistribution and use, with or without modification, are permitted provided that such
redistributions retain the above copyright notice, license and disclaimer, along with
this list of conditions.
*/
package org.pdfclown.documents.contents.objects;
import org.pdfclown.PDF;
import org.pdfclown.VersionEnum;
import org.pdfclown.objects.PdfArray;
import org.pdfclown.objects.PdfAtomicObject;
import org.pdfclown.objects.PdfDirectObject;
import org.pdfclown.objects.PdfReal;
import org.pdfclown.objects.PdfString;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
'Show one or more text strings, allowing individual glyph positioning' operation
[PDF:1.6:5.3.2].
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@since 0.0.8
@version 0.1.0
*/
@PDF(VersionEnum.PDF10)
public final class ShowAdjustedText
extends ShowText
{
// <class>
// <static>
// <fields>
public static final String Operator = "TJ";
// </fields>
// </static>
// <dynamic>
// <constructors>
/**
@param value Each element can be either a byte array (encoded text) or a number.
If the element is a byte array (encoded text), this operator shows the text glyphs.
If it is a number (glyph adjustment), the operator adjusts the next glyph position by that amount.
*/
public ShowAdjustedText(
List<Object> value,
int reserved
)
{
super(Operator);
setValue(value);
}
public ShowAdjustedText(
List<PdfDirectObject> operands
)
{super(Operator,operands);}
// </constructors>
// <interface>
// <public>
@Override
public byte[] getText(
)
{
ByteArrayOutputStream textStream = new ByteArrayOutputStream();
for(PdfDirectObject element : ((PdfArray)operands.get(0)))
{
if(element instanceof PdfString)
{
try
{textStream.write(((PdfString)element).getRawValue());}
catch(IOException exception)
{throw new RuntimeException(exception);}
}
}
return textStream.toByteArray();
}
@Override
public List<Object> getValue(
)
{
List<Object> value = new ArrayList<Object>();
for(PdfDirectObject element : ((PdfArray)operands.get(0)))
{
value.add(
((PdfAtomicObject<?>)element).getRawValue()
);
}
return value;
}
@Override
public void setText(
byte[] value
)
{setValue(Arrays.asList((Object)value));}
@Override
public void setValue(
List<Object> value
)
{
PdfArray elements = new PdfArray();
operands.set(0,elements);
boolean textItemExpected = true;
for(Object valueItem : value)
{
PdfDirectObject element;
if(textItemExpected)
{element = new PdfString((byte[])valueItem);}
else
{element = new PdfReal((Double)valueItem);}
elements.add(element);
textItemExpected = !textItemExpected;
}
}
// </public>
// </interface>
// </dynamic>
// </class>
}