jslider - w3toppers.com

Movable bars with value using java

SpinSlider may be a useful example. Addendum: Here’s an example using a suitable format string for JSpinner.NumberEditor. Addendum: You can change the color of the slider by overriding paintTrack(), as shown here. import java.awt.EventQueue; import java.awt.FlowLayout; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JSlider; import javax.swing.JSpinner; import javax.swing.SpinnerNumberModel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; /** @see https://stackoverflow.com/questions/6067898 */ public … Read more

How to increase/decrease brightness of image using JSlider in java?

It’s not clear why you want to avoid paintComponent(), but you can always alter the BufferedImage in a JLabel‘s ImageIcon using RescaleOp. Addendum: I sounds like you don’t want to overwrite the original image, so naturally it makes sense to alter a copy. Unfortunately, your example merely copies a reference to the original. Instead, use … Read more

Painting the slider icon of JSlider

Extending the BasicSliderUI delegate is not without peril, but it does allow arbitrary control over the rendering, as suggested in the example below. slider.setUI(new MySliderUI(slider)); … private static class MySliderUI extends BasicSliderUI { private static float[] fracs = {0.0f, 0.2f, 0.4f, 0.6f, 0.8f, 1.0f}; private LinearGradientPaint p; public MySliderUI(JSlider slider) { super(slider); } @Override public … Read more