com.idrsolutions.pdf.color.blends.BlendMode Maven / Gradle / Ivy
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
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
*
* ---------------
* BlendMode.java
* ---------------
*/
package com.idrsolutions.pdf.color.blends;
import java.awt.Composite;
import java.awt.CompositeContext;
import java.awt.RenderingHints;
import java.awt.image.ColorModel;
import org.jpedal.objects.raw.PdfDictionary;
/**
*
*/
public class BlendMode implements Composite {
final int blendMode;
final float alpha;
public BlendMode(final int blendMode, final float alpha) {
this.blendMode = blendMode;
this.alpha = alpha;
}
@Override
public CompositeContext createContext(final ColorModel srcColorModel, final ColorModel dstColorModel, final RenderingHints hints) {
// return ContextFactory.getBlendContext(blendMode,alpha);
switch (blendMode) {
case PdfDictionary.SMask:
return new SMaskComposite(srcColorModel, dstColorModel, alpha);
case PdfDictionary.Hue:
case PdfDictionary.Saturation:
case PdfDictionary.Color:
case PdfDictionary.Luminosity:
return new BlendContext(blendMode);
default:
// return new BlendContext(blendMode);
return new BlendComposite(srcColorModel, dstColorModel, blendMode, alpha);
}
}
}