Java无法识别自定义监视器分辨率

Question

我无法识别我的奇怪显示器的原始分辨率,因此我必须为它设置自定义分辨率.问题是java无法识别它,因为它不在Win7的"已批准"列表中,因此全屏模式会"卡住".Netbeans出乎意料地全屏,所以必须有办法解决这个问题.谁知道呢？

//编辑(2010年3月29日):看起来NetBeans假装全屏而不是实际进入全屏独占模式,因此实际上这可能无法解决.现在,我也在假装它.看起来像java应该将活动的 DisplayMode 识别为有效.

此示例重现了此问题:

package resolutionexample;

import java.awt.Dimension;
import java.awt.DisplayMode;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;

public class Main {

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable(){
            public void run() {
                GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
                GraphicsDevice gd = ge.getDefaultScreenDevice();

                DisplayMode currentDM = gd.getDisplayMode();

                boolean currentInAvailable = false;

                System.out.println("Available resolutions:");
                for ( DisplayMode availDM : gd.getDisplayModes() ){
                    //System.out.println(availDM.getWidth() + "x" + availDM.getHeight());
                    if ( availDM.equals(currentDM) ){
                        currentInAvailable = true;
                    }
                }

                System.out.println("Current resolution: " + currentDM.getWidth() + "x" + currentDM.getHeight() );

                System.out.println("Current in available: " + currentInAvailable);


                JFrame frame = new JFrame("Resolution Bug Example");
                frame.setVisible(true);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                if ( !gd.isFullScreenSupported() ){System.exit(0);}

                gd.setFullScreenWindow(frame);

                gd.setFullScreenWindow(null);
            }
        });
    }
}

输出运行1680x1050(显示器的原始分辨率很高):

run:
Available resolutions:
Current resolution: 1680x1050
Current in available: false
Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Invalid display mode
        at sun.awt.Win32GraphicsDevice.setDisplayMode(Win32GraphicsDevice.java:393)
        at sun.awt.Win32GraphicsDevice.setFullScreenWindow(Win32GraphicsDevice.java:329)
        at resolutionexample.Main$1.run(Main.java:43)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
BUILD SUCCESSFUL (total time: 2 seconds)

如果我在运行之前将分辨率设置为1024x768,则输出:

run:
Available resolutions:
Current resolution: 1024x768
Current in available: true
BUILD SUCCESSFUL (total time: 2 seconds)

Answer 1

你说的卡住是什么意思？分辨率不好或者没有真正的全屏模式？对于大屏幕你可以尝试

Rectangle rect = GraphicsEnvironment.getLocalGraphicsEnvironment().
                 getMaximumWindowBounds();
JFrame frame = new JFrame();
frame.setPreferredSize(new Dimension(rect.width, rect.height));

对于全屏切换，您可以简单地从 netbeans 的主窗口复制源代码:-)