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Thread: Possible Bug in JColorChooser

  1. #1
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    Default Possible Bug in JColorChooser

    I am not certain as to the appropriate place to post this so I will leave that up to the mods. I created the following simple app to help demonstrate the "problem" I am encountering.

    import java.awt.*;
     
    import javax.swing.*;
     
    public class ColorChooserProblem {
       JFrame f = new JFrame("Testing Color Chooser");
     
       public static void main(String[] args) {
    	  new ColorChooserProblem().start();
       }
       public void start() {
    	  f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    	  JColorChooser jc1 = new JColorChooser();
    	  JColorChooser jc2 = new JColorChooser();
    	  f.add(jc1, BorderLayout.NORTH);
    	  f.add(jc2, BorderLayout.SOUTH);
              f.pack();
    	  f.setLocationRelativeTo(null);
    	  f.setVisible(true);
       }
    }

    1. In both panels, select CMYK and type in any valid numbers for CMYK. Both panels must have the same values.
    2. Now compare the RGB values for each panel. They should be the same.
    3. Select a single panel and reset the sliders to 0.
    4. Now re-enter the RGB values into that same panel.
    5. Switch to CMYK for both panels. The values in the panels that I see are different.

    Is this also what you see?

    I am running Java 10 on Windows 10 and my IDE is Eclipse.

    Also posted at https://stackoverflow.com/questions/...-jcolorchooser

    Regards,
    Jim
    Last edited by jim829; April 9th, 2019 at 04:02 PM.

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