对于 Swing 组件 Java 1.7 (Windows),文本的抗锯齿呈现提示似乎被破坏了。设置 KEY_ANTIALIASING
和/或KEY_TEXT_ANTIALIASING
不再影响 , 等的显示JLabel
-JEditorPane
但实际上我需要在我的项目中进行不同的设置。
Java 1.6
您可以在此屏幕截图中比较(jdk1.6.0_45) 和(jdk1.7.0_40) 中的不同行为Java 1.7
,使用以下测试程序生成:
左侧是 Java 1.6,右侧是 Java 1.7。第一列用 绘制Graphics2D.drawString
,第二列用 绘制JLabel
。在 Java 1.6 中,呈现提示会影响 JLabel 的显示,而在 Java 1.7 中,所有 JLabel 的呈现方式都相同(带有小数度量的除外)。
你知道我如何让抗锯齿提示影响 Java 1.7 中的 Swing 组件吗?
测试程序:
import java.awt.*;
import java.util.*;
import javax.swing.*;
public class AntialiasMain extends JFrame {
public AntialiasMain() {
JPanel panel = new JPanel(new GridLayout(0, 1));
panel.add(new AntialiasLabel("default", null));
HashMap<Key, Object> hints = new HashMap<Key, Object>();
hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
panel.add(new AntialiasLabel("AA off", hints));
hints = new HashMap<Key, Object>();
hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
panel.add(new AntialiasLabel("AA on", hints));
hints = new HashMap<Key, Object>();
hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
panel.add(new AntialiasLabel("TextAA off", hints));
hints = new HashMap<Key, Object>();
hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
panel.add(new AntialiasLabel("TextAA on", hints));
hints = new HashMap<Key, Object>();
hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
panel.add(new AntialiasLabel("AA+TextAA on", hints));
hints = new HashMap<Key, Object>();
hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
hints.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
panel.add(new AntialiasLabel("AA+FracMetr on", hints));
hints = new HashMap<Key, Object>();
hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
panel.add(new AntialiasLabel("AA+TextLCD on", hints));
hints = new HashMap<Key, Object>();
hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
panel.add(new AntialiasLabel("TextLCD on", hints));
getContentPane().add(panel);
}
class AntialiasLabel extends JLabel {
private final HashMap<Key, Object> hints;
private final String label;
private static final String PALYNDROME = "The quick brown fox jumped over the lazy dog";
public AntialiasLabel(String label, HashMap<Key, Object> hints) {
super(PALYNDROME);
setForeground(Color.BLACK);
setBorder(BorderFactory.createEmptyBorder(10, 150, 10, 10));
this.label = label;
this.hints = hints;
}
@Override
protected void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
if (hints != null)
g2.setRenderingHints(hints);
g2.drawString("Setting: " + label, 2, getHeight() / 2 + 5);
super.paintComponent(g2);
}
}
public static void main(final String[] args) {
JFrame f = new AntialiasMain();
f.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
f.pack();
f.setVisible(true);
}
}
编辑:系统属性swing.aatext
并awt.useSystemAAFontSettings
没有效果。也没有改变Look and Feel
。