有什么方法可以将特定的图像分配给String,以便输出是这样的(即将String与JLabel结合使用):
最佳答案
基本过程是创建文本轮廓并使其呈现...简单;)
这使用TextLayout
类生成文本的Shape
,可以填充和绘制文本。
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class TextOutline {
public static void main(String[] args) {
new TextOutline();
}
public TextOutline() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
}
JFrame frame = new JFrame("Testing");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(new FontPaint());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
class FontPaint extends JPanel {
public FontPaint() {
setFont(getFont().deriveFont(Font.BOLD, 48f));
}
@Override
public Dimension getPreferredSize() {
return new Dimension(300, 200);
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
int w = getWidth();
int h = getHeight();
Graphics2D g2d = (Graphics2D) g;
FontRenderContext fontRendContext = g2d.getFontRenderContext();
// Not required, but it will make it look nice
g2d.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
String st = "Hello World.";
// Create an layout of the text
TextLayout text = new TextLayout(st, getFont(), fontRendContext);
// Generate a shape of the layout
Shape shape = text.getOutline(null);
// Align the shape to the center
Rectangle rect = shape.getBounds();
AffineTransform affineTransform = new AffineTransform();
affineTransform = g2d.getTransform();
affineTransform.translate(w / 2 - (rect.width / 2), h / 2
+ (rect.height / 2));
g2d.transform(affineTransform);
// Fill in blue
g2d.setColor(Color.BLUE);
g2d.fill(shape);
// Outline in red
g2d.setColor(Color.red);
g2d.draw(shape);
g2d.dispose();
}
}
}