com.idrsolutions.pdf.color.blends.ContextFactory Maven / Gradle / Ivy
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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
*
* List of all example and a link to zip at http://www.idrsolutions.com/java-code-examples-for-pdf-files/
*
* (C) Copyright 1997-2013, IDRsolutions and Contributors.
*
* This file is part of JPedal
*
This library 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 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* ---------------
* ContextFactory.java
* ---------------
*/
package com.idrsolutions.pdf.color.blends;
import java.awt.CompositeContext;
import org.jpedal.objects.raw.PdfDictionary;
/**
*
*/
class ContextFactory {
static CompositeContext getBlendContext(final int blendMode, final float alpha) {
CompositeContext context;
switch(blendMode){
case PdfDictionary.Multiply:
context=new Multiply(alpha);
break;
case PdfDictionary.Normal:
//should never be called but here for completeness
case PdfDictionary.Overlay:
context=new Overlay(alpha);
break;
case PdfDictionary.Screen:
context = new Screen(alpha);
break;
case PdfDictionary.HardLight:
context = new HardLight(alpha);
break;
case PdfDictionary.Darken:
context = new Darken(alpha);
break;
default:
context=new UnimplementedContext(alpha);
break;
}
return context;
}
}