我被要求查看Swing中的旋钮,使文字尽可能清晰阅读。有没有办法在OS X上的Java 1.7+上的Swing应用程序中启用子像素文本抗锯齿? Java中是否还有其他任何可以使文本可读的设置?
观察:
RenderingHints.VALUE_TEXT_ANTIALIAS_ON
也会比RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB
更暗。为什么?RenderingHints.VALUE_TEXT_ANTIALIAS_ON
呈现(深灰色抗锯齿)。-Dapple.awt.graphics.UseQuartz=true
确实启用了LCD抗锯齿,但该设置对Oracle Java 1.7没有影响。这是我使用的代码:
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.UIManager;
import sun.swing.SwingUtilities2;
public class TextAntialiasDemo {
public static JLabel createJlabel(String name, final Object textAntialiasing) {
JLabel label = new JLabel("ABCDEabcde text_antialiasing=" + name) {
private static final long serialVersionUID = 1L;
@Override public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D)g.create();
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, textAntialiasing);
super.paintComponent(g2);
}
};
// Tell the JComponent to use the Graphics2d's text rendering hint
// instead of the Toolkit default.
label.putClientProperty(SwingUtilities2.AA_TEXT_PROPERTY_KEY, null);
// To make all new JComponents use Graphics2d's rendering hint, do this:
// UIManager.getDefaults().remove(SwingUtilities2.AA_TEXT_PROPERTY_KEY);
return label;
}
public static void main(String[] argv) {
System.out.format("Look and feel: %s%n", UIManager.getLookAndFeel());
JFrame jframe = new JFrame();
if (argv.length > 0)
jframe.setTitle(argv[0]);
jframe.getContentPane().setLayout(new BoxLayout(jframe.getContentPane(), BoxLayout.PAGE_AXIS));
jframe.add(new JLabel("ABCDEabcde"));
jframe.add(createJlabel("default", RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT));
jframe.add(createJlabel("off", RenderingHints.VALUE_TEXT_ANTIALIAS_OFF));
jframe.add(createJlabel("on", RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
jframe.add(createJlabel("LCD_VRGB", RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB));
jframe.add(createJlabel("LCD_VBGR", RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VBGR));
jframe.add(createJlabel("LCD_HBGR", RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HBGR));
jframe.add(createJlabel("LCD_HRGB", RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB));
jframe.pack();
jframe.setVisible(true);
}
}
答案 0 :(得分:1)
现在,OpenJDK 9 b70中的OSX可以使用正确的亚像素AA字体渲染:https://jdk9.java.net/download/。如果您的表面是半透明的,它就不可用。我已经写过如何启用它,例如。在我的博客上使用netbeans; http://www.nothome.com/2015/07/subpixel-font-rendering-with-netbeans.html或使用以下内容构建和修补:
hg clone http://hg.openjdk.java.net/jdk9/jdk9 jdk9
cd ./jdk9
bash ./get_source.sh
cd jdk
curl http://cr.openjdk.java.net/~bae/8087201/9/webrev.00/jdk.patch | patch --dry-run -p1
curl https://gist.githubusercontent.com/iampivot/5677ccc024afe115d4bc/raw/f7b9acb1c6f356efa26f5772075a32dc899cd8ab/gistfile1.txt | patch -p0
cd ..
sh ./configure --disable-warnings-as-errors
make all