LetsStart.utils.ImageProcessor.java Source code

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Here is the source code for LetsStart.utils.ImageProcessor.java

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/*
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package LetsStart.utils;

/**
 *
 * @author art
 */
import java.awt.image.BufferedImage;
import java.awt.image.DataBufferByte;

import org.opencv.core.Mat;
import org.opencv.core.Size;
import org.opencv.imgproc.Imgproc;

public class ImageProcessor {

    public BufferedImage toBufferedImage(Mat matrix) {
        int type = BufferedImage.TYPE_BYTE_GRAY;
        if (matrix.channels() > 1) {
            type = BufferedImage.TYPE_3BYTE_BGR;
        }
        int bufferSize = matrix.channels() * matrix.cols() * matrix.rows();
        byte[] buffer = new byte[bufferSize];
        matrix.get(0, 0, buffer); // get all the pixels
        BufferedImage image = new BufferedImage(matrix.cols(), matrix.rows(), type);
        final byte[] targetPixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
        System.arraycopy(buffer, 0, targetPixels, 0, buffer.length);
        return image;
    }

}