/*
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;
/**
Abstract vertexed shape annotation.
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@since 0.0.7
@version 0.1.0
*/
@PDF(VersionEnum.PDF15)
public abstract class VertexShape
extends Shape
{
// <class>
// <dynamic>
// <constructors>
protected VertexShape(
Page page,
Rectangle2D box,
PdfName subtype
)
{
super(
page,
box,
subtype
);
}
protected VertexShape(
PdfDirectObject baseObject,
PdfIndirectObject container
)
{super(baseObject,container);}
// </constructors>
// <interface>
// <public>
@Override
public VertexShape clone(
Document context
)
{throw new NotImplementedException();}
/**
Gets the coordinates of each vertex.
*/
public List<Point2D> getVertices(
)
{
/*
NOTE: 'Vertices' entry MUST be present.
*/
PdfArray verticesObject = (PdfArray)getBaseDataObject().get(PdfName.Vertices);
List<Point2D> vertices = new ArrayList<Point2D>();
double pageHeight = getPage().getBox().getHeight();
for(
int index = 0,
length = verticesObject.size();
index < length;
index += 2
)
{
vertices.add(
new Point2D.Double(
((PdfNumber<?>)verticesObject.get(index)).getNumberValue(),
pageHeight - ((PdfNumber<?>)verticesObject.get(index+1)).getNumberValue()
)
);
}
return vertices;
}
/**
@see #getVertices()
*/
public void setVertices(
List<Point2D> value
)
{
PdfArray verticesObject = new PdfArray();
double pageHeight = getPage().getBox().getHeight();
for(Point2D vertex : value)
{
verticesObject.add(new PdfReal(vertex.getX())); // x.
verticesObject.add(new PdfReal(pageHeight-vertex.getY())); // y.
}
getBaseDataObject().put(PdfName.Vertices,verticesObject);
}
// </public>
// </interface>
// </dynamic>
// </class>
}