/*
Copyright 2008-2010 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.interaction.annotations;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.ArrayList;
import java.util.List;
import org.pdfclown.PDF;
import org.pdfclown.VersionEnum;
import org.pdfclown.documents.Document;
import org.pdfclown.documents.Page;
import org.pdfclown.objects.PdfArray;
import org.pdfclown.objects.PdfDirectObject;
import org.pdfclown.objects.PdfIndirectObject;
import org.pdfclown.objects.PdfName;
import org.pdfclown.objects.PdfNumber;
import org.pdfclown.objects.PdfReal;
import org.pdfclown.util.NotImplementedException;
/**
Freehand "scribble" composed of one or more disjoint paths [PDF:1.6:8.4.5].
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@since 0.0.7
@version 0.1.0
*/
@PDF(VersionEnum.PDF13)
public final class Scribble
extends Annotation
{
// <class>
// <dynamic>
// <constructors>
public Scribble(
Page page,
Rectangle2D box,
List<List<Point2D>> paths
)
{
super(
page.getDocument(),
PdfName.Ink,
box,
page
);
setPaths(paths);
}
public Scribble(
PdfDirectObject baseObject,
PdfIndirectObject container
)
{super(baseObject,container);}
// </constructors>
// <interface>
// <public>
@Override
public Scribble clone(
Document context
)
{throw new NotImplementedException();}
/**
Gets the coordinates of each path.
*/
public List<List<Point2D>> getPaths(
)
{
/*
NOTE: 'InkList' entry MUST be present.
*/
PdfArray pathsObject = (PdfArray)getBaseDataObject().get(PdfName.InkList);
List<List<Point2D>> paths = new ArrayList<List<Point2D>>();
double pageHeight = getPage().getBox().getHeight();
for(
int pathIndex = 0,
pathLength = pathsObject.size();
pathIndex < pathLength;
pathIndex++
)
{
PdfArray pathObject = (PdfArray)pathsObject.get(pathIndex);
List<Point2D> path = new ArrayList<Point2D>();
for(
int pointIndex = 0,
pointLength = pathObject.size();
pointIndex < pointLength;
pointIndex += 2
)
{
path.add(
new Point2D.Double(
((PdfNumber<?>)pathObject.get(pointIndex)).getNumberValue(),
pageHeight - ((PdfNumber<?>)pathObject.get(pointIndex+1)).getNumberValue()
)
);
}
paths.add(path);
}
return paths;
}
/**
@see #getPaths()
*/
public void setPaths(
List<List<Point2D>> value
)
{
PdfArray pathsObject = new PdfArray();
double pageHeight = getPage().getBox().getHeight();
for(List<Point2D> path : value)
{
PdfArray pathObject = new PdfArray();
for(Point2D point : path)
{
pathObject.add(new PdfReal(point.getX())); // x.
pathObject.add(new PdfReal(pageHeight-point.getY())); // y.
}
pathsObject.add(pathObject);
}
getBaseDataObject().put(PdfName.InkList,pathsObject);
}
// </public>
// </interface>
// </dynamic>
// </class>
}