Java2.java

package ij.util;
import ij.*;
import ij.Prefs;
import java.awt.*;
import javax.swing.*;

public class Java2 {

    private static boolean lookAndFeelSet;

    public static void setAntialiased(Graphics g, boolean antialiased) {
            Graphics2D g2d = (Graphics2D)g;
            if (antialiased)
                g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            else
                g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
    }

    public static void setAntialiasedText(Graphics g, boolean antialiasedText) {
            Graphics2D g2d = (Graphics2D)g;
            if (antialiasedText && Prefs.antialiasedText)
                g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
            else
                g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
    }

    public static int getStringWidth(String s, FontMetrics fontMetrics, Graphics g) {
            java.awt.geom.Rectangle2D r = fontMetrics.getStringBounds(s, g);
            return (int)r.getWidth();
    }

    public static void setBilinearInterpolation(Graphics g, boolean bilinearInterpolation) {
            Graphics2D g2d = (Graphics2D)g;
            if (bilinearInterpolation && Prefs.interpolateScaledImages)
                g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
            else
                g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR);
    }
    
    public static void setSystemLookAndFeel() {
        if (lookAndFeelSet)
            return;
        try {
            if(IJ.isWindows())
                UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            else if(!IJ.isMacintosh()) {
                String s = System.getProperty("java.version");
                int dot_ver = Integer.parseInt(s.substring(s.lastIndexOf('.')+1, s.length()));
                if(dot_ver >= 2)
                    UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel");
                else
                    UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
            }
        }
        catch(Throwable t){}
        lookAndFeelSet = true;
        IJ.register(Java2.class);
    }


}