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An Open Source JavaFX PDF Viewer
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/*
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/support/
 *
 * (C) Copyright 1997-2015 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


 *
 * ---------------
 * TiffHelper.java
 * ---------------
 */
package org.jpedal.io;
/**
import com.sun.media.jai.codec.FileSeekableStream;
import com.sun.media.jai.codec.ImageCodec;
import com.sun.media.jai.codec.ImageDecoder;
*/
//import org.jpedal.utils.LogWriter;


//import java.io.File;
//import java.io.IOException;
import java.awt.image.BufferedImage;
//import java.awt.image.RenderedImage;

public class TiffHelper {

    //private ImageDecoder dec;

    private final int pageCount;

    /**
     * setup access to Tif file and also read page count
     */
    public TiffHelper(final String file){

        pageCount=1;
        /**try{
            //Get file info
            final File imgFile = new File(file);
            final FileSeekableStream s = new FileSeekableStream(imgFile);
            dec = ImageCodec.createImageDecoder("tiff", s, null);
            pageCount=dec.getNumPages();

        }catch(final Exception e){
            //tell user and log
            if(LogWriter.isOutput()) {
                LogWriter.writeLog("Exception: " + e.getMessage());
            }
            //
        }/**/
        
    }

    public int getTiffPageCount() {

        return pageCount;
    }

    public BufferedImage getImage(final int tiffImageToLoad) {

        //BufferedImage img=null;
        /**
        try {

            final RenderedImage op = new javax.media.jai.NullOpImage(dec.decodeAsRenderedImage(tiffImageToLoad),
					null,null,
					javax.media.jai.OpImage.OP_IO_BOUND
					);

			img = (javax.media.jai.JAI.create("affine", op, null, new javax.media.jai.InterpolationBicubic(1))).getAsBufferedImage();

            //change to grey as default
			//Removed as forced all tiffs into grey scale
//            img= ColorSpaceConvertor.convertColorspace(img, BufferedImage.TYPE_BYTE_GRAY);
            
        } catch (final IOException e) {
            //tell user and log
            if(LogWriter.isOutput()) {
                LogWriter.writeLog("Exception: " + e.getMessage());
            }
            //
		}
/**/
        return null;
    }
}