运行效果如下所示:
示例代码如下:
public class LineNumberHeaderView extends javax.swing.JComponent {
private final Font DEFAULT_FONT = new Font(Font.MONOSPACED, Font.PLAIN, 13);
public final Color DEFAULT_BACKGROUD = new Color(228, 228, 228);
public final Color DEFAULT_FOREGROUD = Color.red;
public final int nHEIGHT = Integer.MAX_VALUE - 1000000;
public final int MARGIN = 5;
private int lineHeight;
private int fontLineHeight;
private int current......
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