org.jpedal.color.PatternDisplay 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@
 *
 * ---------------
 * PatternDisplay.java
 * ---------------
 */

package org.jpedal.color;

import java.awt.image.BufferedImage;

import org.jpedal.io.ObjectStore;
import org.jpedal.objects.GraphicsState;
import org.jpedal.render.T3Display;

public class PatternDisplay extends T3Display {


    private BufferedImage lastImg;

    private int imageCount;

    public PatternDisplay(final int i, final boolean b, final int j, final ObjectStore localStore) {
        super(i, b, j, localStore);

    }

    /* save image in array to draw */
    @Override
    public int drawImage(final int pageNumber, final BufferedImage image,
                         final GraphicsState currentGraphicsState,
                         final boolean alreadyCached, final String name, final int previousUse) {

        lastImg = image;

        imageCount++;

        return super.drawImage(pageNumber, image, currentGraphicsState, alreadyCached, name, previousUse);
    }


    BufferedImage getSingleImagePattern() {
        if (imageCount != 1) {
            return null;
        } else {
            return lastImg;
        }
    }

}