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
 *
 @LICENSE@
 *
 * ---------------
 * 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);
        }
    }

}