/**
 *                    
 * @author greg (at) myrobotlab.org
 *  
 * This file is part of MyRobotLab (http://myrobotlab.org).
 *
 * MyRobotLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version (subject to the "Classpath" exception
 * as provided in the LICENSE.txt file that accompanied this code).
 *
 * MyRobotLab is distributed in the hope that it will be useful or fun,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * All libraries in thirdParty bundle are subject to their own license
 * requirements - please refer to http://myrobotlab.org/libraries for 
 * details.
 * 
 * Enjoy !
 * 
 * */

package org.myrobotlab.opencv;

import static org.bytedeco.javacpp.opencv_core.cvAnd;
import static org.bytedeco.javacpp.opencv_core.cvRect;
import static org.bytedeco.javacpp.opencv_core.cvResetImageROI;
import static org.bytedeco.javacpp.opencv_core.cvSetImageROI;
import static org.bytedeco.javacpp.opencv_imgcodecs.CV_LOAD_IMAGE_GRAYSCALE;
import static org.bytedeco.javacpp.opencv_imgcodecs.cvLoadImage;

import java.awt.image.BufferedImage;

import org.bytedeco.javacpp.opencv_core.IplImage;
import org.myrobotlab.logging.LoggerFactory;
import org.myrobotlab.logging.Logging;
import org.myrobotlab.service.OpenCV;
import org.slf4j.Logger;

public class OpenCVFilterAnd extends OpenCVFilter {

  private static final long serialVersionUID = 1L;

  public final static Logger log = LoggerFactory.getLogger(OpenCVFilterAnd.class.getCanonicalName());

  transient IplImage and = null;

  public OpenCVFilterAnd() {
    super();
  }

  public OpenCVFilterAnd(String name) {
    super(name);
  }

  @Override
  public void imageChanged(IplImage image) {
    // TODO Auto-generated method stub

  }

  public void loadMask(BufferedImage mask) {
    this.and = OpenCV.BufferedImageToIplImage(mask);// IplImage.createFrom(mask);
  }

  public void loadMask(IplImage mask) {
    this.and = mask;
  }

  public void loadMask(String filename) {
    try {
      and = cvLoadImage(filename, CV_LOAD_IMAGE_GRAYSCALE);
      /*
       * BufferedImage img = ImageIO.read(new File(filename)); mask =
       * IplImage.createFrom(img);
       */
    } catch (Exception e) {
      Logging.logError(e);
    }
  }

  @Override
  public IplImage process(IplImage image, OpenCVData data) {

    // IplImage img = cvLoadImage("data/boldt.jpg",
    // CV_LOAD_IMAGE_GRAYSCALE);

    if (and != null) {

      // cvConvertScale(arg0, arg1, arg2, arg3)
      // cvConvertScale(tfaceImg32, faceImg8, 255);
      // cvSetImageROI(image, cvRect(0, 0, mask.width(), mask.height()));
      // CvMat mask = CvMat.create(mask, mask.height(), CV_8U);
      // cvAnd(image, mask, buffer, null); // use mask instead?
      // cvAnd(src1, src2, result, mask);

      cvSetImageROI(image, cvRect(0, 0, and.width(), and.height()));
      // cvAnd(image, and, buffer, null); // use mask instead?
      cvAnd(image, and, image, null); // use mask instead?
      cvResetImageROI(image);

      /*
       * CanvasFrame canvas = new CanvasFrame("My Image", 1);
       * canvas.showImage(and);
       * 
       * CanvasFrame canvas2 = new CanvasFrame("My Image 2", 1);
       * canvas2.showImage(buffer);
       */
      // working example
      // cvAnd(image, negativeImage, buffer, null); - both were clones of
      // image negativeImage was an cvNot inverse
    }

    return image;
  }

}