/*
Copyright 2007-2010 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 java.util.List;
import org.pdfclown.PDF;
import org.pdfclown.VersionEnum;
import org.pdfclown.documents.contents.LineDash;
import org.pdfclown.documents.contents.ContentScanner.GraphicsState;
import org.pdfclown.objects.PdfArray;
import org.pdfclown.objects.PdfDirectObject;
import org.pdfclown.objects.PdfNumber;
import org.pdfclown.objects.PdfReal;
/**
'Set the line dash pattern' operation [PDF:1.6:4.3.3].
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@since 0.0.4
@version 0.1.0
*/
@PDF(VersionEnum.PDF10)
public final class SetLineDash
extends Operation
{
// <class>
// <static>
// <fields>
public static final String Operator = "d";
// </fields>
// </static>
// <dynamic>
// <constructors>
public SetLineDash(
float phase,
float unitsOn,
float unitsOff
)
{
super(
Operator,
new PdfArray(
new PdfReal(unitsOn),
new PdfReal(unitsOff)
),
new PdfReal(phase)
);
}
public SetLineDash(
List<PdfDirectObject> operands
)
{super(Operator, operands);}
// </constructors>
// <interface>
// <public>
@Override
public void scan(
GraphicsState state
)
{state.setLineDash(getValue());}
public LineDash getValue(
)
{
// 1. Dash array.
PdfArray baseDashArray = (PdfArray)operands.get(0);
float[] dashArray = new float[baseDashArray.size()];
for(
int index = 0,
length = dashArray.length;
index < length;
index++
)
{dashArray[index] = ((PdfNumber<?>)baseDashArray.get(index)).getNumberValue();}
// 2. Dash phase.
float dashPhase = ((PdfNumber<?>)operands.get(1)).getNumberValue();
return new LineDash(dashArray, dashPhase);
}
public void setValue(
LineDash value
)
{
// 1. Dash array.
float[] dashArray = value.getDashArray();
PdfArray baseDashArray = new PdfArray(dashArray.length);
for(
int index = 0,
length = dashArray.length;
index < length;
index++
)
{baseDashArray.set(index,new PdfReal(dashArray[index]));}
operands.set(0,baseDashArray);
// 2. Dash phase.
((PdfNumber<?>)operands.get(1)).setValue(value.getDashPhase());
}
// </public>
// </interface>
// </dynamic>
// </class>
}