55c50f50d0
6719382: Printing of AWT components on windows is not working 6726866: Repainting artifacts when resizing or dragging JInternalFrames in non-opaque toplevel 6683775: Painting artifacts is seen when panel is made setOpaque(false) for a translucent window Reviewed-by: anthony, tdv, alexp
83 lines
3.0 KiB
Java
83 lines
3.0 KiB
Java
/* @test
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@bug 6683775 6794764
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@summary Painting artifacts is seen when panel is made setOpaque(false) for a translucent window
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@author Alexander Potochkin
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@run main bug6683775
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*/
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import com.sun.awt.AWTUtilities;
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import sun.awt.SunToolkit;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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public class bug6683775 {
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public static void main(String[] args) throws Exception {
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GraphicsConfiguration gc = getGC();
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if (!AWTUtilities.isTranslucencySupported(
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AWTUtilities.Translucency.PERPIXEL_TRANSLUCENT)
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|| gc == null) {
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return;
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}
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SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
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Robot robot = new Robot();
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final JFrame testFrame = new JFrame(gc);
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SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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JFrame backgroundFrame = new JFrame("Background frame");
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backgroundFrame.setUndecorated(true);
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JPanel panel = new JPanel();
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panel.setBackground(Color.RED);
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backgroundFrame.add(panel);
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backgroundFrame.setSize(200, 200);
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backgroundFrame.setVisible(true);
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testFrame.setUndecorated(true);
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JPanel p = new JPanel();
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p.setOpaque(false);
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testFrame.add(p);
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AWTUtilities.setWindowOpaque(testFrame, false);
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testFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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testFrame.setSize(400, 400);
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testFrame.setLocation(0, 0);
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testFrame.setVisible(true);
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}
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});
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toolkit.realSync();
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//robot.getPixelColor() didn't work right for some reason
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BufferedImage capture = robot.createScreenCapture(new Rectangle(100, 100));
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int redRGB = Color.RED.getRGB();
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if (redRGB != capture.getRGB(10, 10)) {
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throw new RuntimeException("Transparent frame is not transparent!");
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}
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}
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private static GraphicsConfiguration getGC() {
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GraphicsConfiguration transparencyCapableGC =
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GraphicsEnvironment.getLocalGraphicsEnvironment()
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.getDefaultScreenDevice().getDefaultConfiguration();
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if (!AWTUtilities.isTranslucencyCapable(transparencyCapableGC)) {
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transparencyCapableGC = null;
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GraphicsEnvironment env =
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GraphicsEnvironment.getLocalGraphicsEnvironment();
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GraphicsDevice[] devices = env.getScreenDevices();
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for (int i = 0; i < devices.length && transparencyCapableGC == null; i++) {
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GraphicsConfiguration[] configs = devices[i].getConfigurations();
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for (int j = 0; j < configs.length && transparencyCapableGC == null; j++) {
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if (AWTUtilities.isTranslucencyCapable(configs[j])) {
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transparencyCapableGC = configs[j];
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}
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}
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}
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}
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return transparencyCapableGC;
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}
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}
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