文字带下拉阴影、轮廓线和3D文本框代码,Java代码库,德仔网

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【Java】文字带下拉阴影、轮廓线和3D文本框

作者:DDT / 发布于2012/5/26/ 588

<div>public class RichJLabel extends JLabel {</div>
<div>private int tracking;
public RichJLabel(String text, int tracking) {
super(text);
this.tracking = tracking;
}
<div>private int left_x, left_y, right_x, right_y;
private Color left_color, right_color;
public void setLeftShadow(int x, int y, Color color) {
left_x = x;
left_y = y;
left_color = color;
}
public void setRightShadow(int x, int y, Color color) {
right_x = x;
right_y = y;
right_color = color;
}
public Dimension getPreferredSize() {
String text = getText();
FontMetrics fm = this.getFontMetrics(getFont());</div>
<div>int w = fm.stringWidth(text);
w += (text.length()-1)*tracking;
w += left_x + right_x;
int h = fm.getHeight();
h += left_y + right_y;</div>
<div>return new Dimension(w,h); 
}
public void paintComponent(Graphics g) {
((Graphics2D)g).setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
char[] chars = getText().toCharArray();</div>
<div>FontMetrics fm = this.getFontMetrics(getFont());</div>
<div>int h = fm.getAscent();
int x = 0;
for(int i=0; i<chars.length; i++) {
char ch = chars[i];
int w = fm.charWidth(ch) + tracking;</div>
<div>g.setColor(left_color);
g.drawString(""+chars[i],x-left_x,h-left_y);</div>
<div>g.setColor(right_color);
g.drawString(""+chars[i],x+right_x,h+right_y);</div>
<div>g.setColor(getForeground());
g.drawString(""+chars[i],x,h);</div>
<div>x+=w;
}
<div>((Graphics2D)g).setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT);</div>
<div>} // end paintComponent()</div>
<div>}
}
<div></div>
<div>public static void main(String[] args) {
RichJLabel label = new RichJLabel("76", -40);
// drop shadow w/ highlight
label.setLeftShadow(1,1,Color.white);
label.setRightShadow(2,3,Color.black);
label.setForeground(Color.gray);
label.setFont(label.getFont().deriveFont(14of));</div>
<div>JFrame frame = new JFrame("RichJLabel hack");
frame.getContentPane().add(label);
frame.pack();
frame.setVisible(true);
}
<div></div>
<div>RichJLabel label = new RichJLabel("76", -30);</div>
<div>// subtle outline
label.setLeftShadow(1,1,Color.white);
label.setRightShadow(1,1,Color.white);
label.setForeground(Color.blue);
label.setFont(label.getFont().deriveFont(140f));</div>
<div></div>
<div>// 3d letters
label.setLeftShadow(5,5,Color.white);
label.setRightShadow(-3,-3, new Color(0xccccff));
label.setForeground(new Color(0x8888ff));
label.setFont(label.getFont().deriveFont(140f));</div>
<div></div>

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　3D文本框　

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