Brighten the image by 30%

 

import java.awt.image.BufferedImage;
import java.awt.image.RescaleOp;

public class Main {
  public static void main(String[] argv) throws Exception {

    BufferedImage bufferedImage = new BufferedImage(200, 200,
        BufferedImage.TYPE_BYTE_INDEXED);

    float scaleFactor = 1.3f;
    RescaleOp op = new RescaleOp(scaleFactor, 0, null);
    bufferedImage = op.filter(bufferedImage, null);

  }
}

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Brighten the image by 30% : Image « Advanced Graphics « Java

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