temp groovy

gistfile1.txt

cp ~/.m2/repository/net/imagej/ij/1.51j/ij-1.51j.jar ~/.jenkins/war/WEB-INF/lib/





import java.awt.Color
import java.awt.image.BufferedImage
import ij.ImagePlus
import ij.io.FileSaver;
import ij.process.ImageProcessor;


inputFile = "/home/kinow/Downloads/gallery/in.jpg"
outputFile = "/home/kinow/Downloads/gallery/out.jpg"

imgPlus = new ImagePlus("file://${inputFile}");
imgProcessor = imgPlus.getProcessor();

fs = new FileSaver(imgPlus);
bufferedImage = imgProcessor.getBufferedImage();

for (int y = 0; y < bufferedImage.getHeight(); y++) {
  for (int x = 0; x < bufferedImage.getWidth(); x++) {
    color = new Color(bufferedImage.getRGB(x, y));
    grayLevel = (int) (color.getRed() + color.getGreen() + color.getBlue()) / 3;
    r = (int) grayLevel;
    g = (int) grayLevel;
    b = (int) grayLevel;
    rgb = (r << 16) | (g << 8) | b;
    bufferedImage.setRGB(x, y, rgb);
  }
}

grayImg = new ImagePlus("gray", bufferedImage);

fs = new FileSaver(grayImg);
fs.saveAsJpeg("${outputFile}");