OpenCV_MergeUseAddWeight.java
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*;
import java.awt.image.BufferedImage;
public class OpenCV_MergeUseAddWeight {
static{ System.loadLibrary(Core.NATIVE_LIBRARY_NAME); }
private JFrame frmjavaSwing;
double alpha = 0.0;
double beta = 0.0;
double gamma=1;
/**
* Launch the application.
*/
public static void main(String[] args){
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
OpenCV_MergeUseAddWeight window = new OpenCV_MergeUseAddWeight();
window.frmjavaSwing.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
public OpenCV_MergeUseAddWeight(){
init();
}
public void init(){
final Mat source1 = Imgcodecs.imread("D:\\projects\\Java\\OpenCV_Samples\\resource\\imgs\\lena.jpg ");
final Mat source2 = Imgcodecs.imread("D:\\projects\\Java\\OpenCV_Samples\\resource\\imgs\\baboon.jpg ");
BufferedImage image=matToBufferedImage(merge(source1,source2,alpha,beta,gamma));
frmjavaSwing = new JFrame();
frmjavaSwing.setTitle("opencv Merge�m��");
frmjavaSwing.setBounds(100, 100, 520, 550);
frmjavaSwing.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frmjavaSwing.getContentPane().setLayout(null);
final JLabel showAlphaValue = new JLabel("0");
showAlphaValue.setBounds(260, 10, 29, 15);
frmjavaSwing.getContentPane().add(showAlphaValue);
final JLabel showBetaValue = new JLabel("0");
showBetaValue.setBounds(259, 35, 29, 15);
frmjavaSwing.getContentPane().add(showBetaValue);
final JLabel lblNewLabel = new JLabel("");
lblNewLabel.setBounds(10, 68, 438, 438);
lblNewLabel.setIcon(new ImageIcon(image));
frmjavaSwing.getContentPane().add(lblNewLabel);
final JSlider slider_Beta = new JSlider();
slider_Beta.setValue(0);
slider_Beta.setMaximum(20);
slider_Beta.setBounds(57, 35, 200, 25);
frmjavaSwing.getContentPane().add(slider_Beta);
final JSlider slider_Gamma = new JSlider();
slider_Gamma.setMaximum(200);
slider_Gamma.setValue(0);
slider_Gamma.setBounds(290, 35, 115, 25);
frmjavaSwing.getContentPane().add(slider_Gamma);
final JSlider slider_Alpha = new JSlider();
slider_Alpha.setMaximum(20);
slider_Alpha.setValue(0);
slider_Alpha.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent arg0) {
//System.out.println(slider_Alpha.getValue()/10);
showAlphaValue.setText((float)slider_Alpha.getValue()/10+"");
BufferedImage newImage=matToBufferedImage(merge(source1,source2,(float)slider_Alpha.getValue()/10,(float)slider_Beta.getValue()/10,slider_Gamma.getValue()));
lblNewLabel.setIcon(new ImageIcon(newImage));
}
});
slider_Alpha.setBounds(57, 10, 200, 25);
frmjavaSwing.getContentPane().add(slider_Alpha);
JLabel lblAlpha = new JLabel("Alpha");
lblAlpha.setBounds(10, 20, 46, 15);
frmjavaSwing.getContentPane().add(lblAlpha);
JLabel lblBetaval = new JLabel("Beta");
lblBetaval.setBounds(10, 45, 46, 15);
frmjavaSwing.getContentPane().add(lblBetaval);
JLabel lblGamma = new JLabel("Gamma");
lblGamma.setBounds(290, 10, 46, 15);
frmjavaSwing.getContentPane().add(lblGamma);
final JLabel showTypeValue = new JLabel("0");
showTypeValue.setBounds(415, 35, 19, 15);
frmjavaSwing.getContentPane().add(showTypeValue);
slider_Gamma.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent arg0) {
showTypeValue.setText(slider_Gamma.getValue()+"");
BufferedImage newImage=matToBufferedImage(merge(source1,source2,(float)slider_Alpha.getValue()/10,(float)slider_Beta.getValue()/10,slider_Gamma.getValue()));
lblNewLabel.setIcon(new ImageIcon(newImage));
}
});
slider_Beta.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent arg0) {
showBetaValue.setText((float)slider_Beta.getValue()/10+"");
BufferedImage newImage=matToBufferedImage(merge(source1,source2,(float)slider_Alpha.getValue()/10,(float)slider_Beta.getValue()/10,slider_Gamma.getValue()));
lblNewLabel.setIcon(new ImageIcon(newImage));
}
});
}
public Mat merge(Mat source1,Mat source2,double alpha,double beta,double gamma){
Mat destination=new Mat(source1.rows(),source1.cols(),source1.type());
Core.addWeighted(source1, alpha, source2, beta, gamma, destination);
return destination;
}
public BufferedImage matToBufferedImage(Mat matrix) {
int cols = matrix.cols();
int rows = matrix.rows();
int elemSize = (int)matrix.elemSize();
byte[] data = new byte[cols * rows * elemSize];
int type;
matrix.get(0, 0, data);
switch (matrix.channels()) {
case 1:
type = BufferedImage.TYPE_BYTE_GRAY;
break;
case 3:
type = BufferedImage.TYPE_3BYTE_BGR;
// bgr to rgb
byte b;
for(int i=0; i<data.length; i=i+3) {
b = data[i];
data[i] = data[i+2];
data[i+2] = b;
}
break;
default:
return null;
}
BufferedImage image2 = new BufferedImage(cols, rows, type);
image2.getRaster().setDataElements(0, 0, cols, rows, data);
return image2;
}
}
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