Admin: 1 версия

2010-06-01T07:06:41Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:46Z

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== Centering a Frame, Window, or Dialog on the Screen ==



<source lang="java">

import java.awt.Dimension;
import java.awt.Toolkit;
import javax.swing.JFrame;
public class Main {
public static void main(String[] argv) throws Exception {
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
JFrame window = new JFrame();
window.setSize(300,300);

int w = window.getSize().width;
int h = window.getSize().height;
int x = (dim.width - w) / 2;
int y = (dim.height - h) / 2;
window.setLocation(x, y);
window.setVisible(true);
}
}

</source>



== Check Desktop Property by using the Toolkit.getDefaultToolkit() ==



<source lang="java">

import java.awt.Toolkit;
public class DynamicLayout {
public static void main(String[] args) {
Toolkit tk = Toolkit.getDefaultToolkit();
Object prop = tk.getDesktopProperty("awt.dynamicLayoutSupported");
System.out.println(tk.isDynamicLayoutActive() ? "yes" : "no");
if (tk.isDynamicLayoutActive())
tk.setDynamicLayout(false);
else
tk.setDynamicLayout(true);
System.out.println(tk.isDynamicLayoutActive() ? "yes" : "no");
}
}

</source>



== Getting the Screen Size ==



<source lang="java">

import java.awt.Dimension;
import java.awt.Toolkit;
public class Main {
public static void main(String[] argv) throws Exception {
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
System.out.println(dim);
}
}

</source>



== Use the getResourceAsStream method ==



<source lang="java">

import java.awt.Image;
import java.awt.Toolkit;
import java.io.BufferedInputStream;
import java.io.InputStream;
public class Main {
public static void main(String[] argv) throws Exception {
InputStream is = Main.class.getResourceAsStream("image.gif");
BufferedInputStream bis = new BufferedInputStream(is);
byte[] byBuf = new byte[10000];
int byteRead = bis.read(byBuf, 0, 10000);
Image img = Toolkit.getDefaultToolkit().createImage(byBuf);
}
}

</source>

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Java/Development Class/Toolkit - История изменений

Admin: 1 версия

в 18:01, 31 мая 2010