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| import java.io.*;
import java.applet.Applet;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.MouseMotionListener;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.imageio.*;
import javax.swing.*;
public class Example extends Applet implements MouseListener, MouseMotionListener{
int x,y,xd,yd;
public static BufferedImage createTextImage(String text, Font font) {
//You may want to change these setting, or make them parameters
boolean isAntiAliased = true;
boolean usesFractionalMetrics = false;
FontRenderContext frc = new FontRenderContext(null, isAntiAliased, usesFractionalMetrics);
TextLayout layout = new TextLayout(text, font, frc);
Rectangle2D bounds = layout.getBounds();
int w = (int) Math.ceil(bounds.getWidth());
int h = (int) Math.ceil(bounds.getHeight());
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_GRAY); //for example;
Graphics2D g = image.createGraphics();
g.setColor(Color.BLACK);
g.fillRect(0,0,w,h);
g.setColor(Color.WHITE);
g.setFont(font);
Object antiAliased = isAntiAliased?
RenderingHints.VALUE_TEXT_ANTIALIAS_ON : RenderingHints.VALUE_TEXT_ANTIALIAS_OFF;
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, antiAliased);
Object fractionalMetrics = usesFractionalMetrics?
RenderingHints.VALUE_FRACTIONALMETRICS_ON : RenderingHints.VALUE_FRACTIONALMETRICS_OFF;
g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, fractionalMetrics);
g.drawString(text, (float) - bounds.getX(), (float) - bounds.getY());
g.dispose();
return image;
}
public static void main(String[] args) throws IOException {
BufferedImage image = drawLL();
/*ImageIO.write(image, "jpeg", new File("example.jpeg"));
JLabel label = new JLabel(new ImageIcon(image));
label.setBorder(BorderFactory.createTitledBorder("Here is the image, bounds brought to you by TextLayout.getBounds"));
*/
//drawLL();
ImageIO.write(image, "jpeg", new File("example.jpeg"));
JLabel label2 = new JLabel(new ImageIcon(image));
label2.setBorder(BorderFactory.createTitledBorder("Here is the image, bounds brought to you by TextLayout.getBounds"));
final JFrame f = new JFrame("Example");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container cp = f.getContentPane();
cp.add(label2);
f.pack();
SwingUtilities.invokeLater(new Runnable(){
public void run() {
f.setLocationRelativeTo(null);
f.setVisible(true);
}
});
}
private BufferedImage drawLL () {
// TODO Auto-generated method stub
System.out.println("a");
boolean isAntiAliased = true;
boolean usesFractionalMetrics = false;
FontRenderContext frc = new FontRenderContext(null, isAntiAliased, usesFractionalMetrics);
TextLayout layout = new TextLayout("toto", new Font("Lucida Bright", Font.ITALIC, 42), frc);
Rectangle2D bounds = layout.getBounds();
int w = (int) Math.ceil(bounds.getWidth());
int h = (int) Math.ceil(bounds.getHeight());
BufferedImage image = new BufferedImage(1000,800, BufferedImage.TYPE_BYTE_GRAY); //for example;
Graphics2D g = image.createGraphics();
g.setColor(Color.white);
g.setStroke(new BasicStroke(10.f, BasicStroke.JOIN_ROUND, BasicStroke.JOIN_ROUND, 5.f));
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, // Anti-alias!
RenderingHints.VALUE_ANTIALIAS_ON);
g.drawLine(10, 10, 200, 300);
g.drawLine(xd,yd,x,y);
System.out.println("x=" + x + "y=" + y);
xd = x; yd = y;
g.dispose();
return image;
}
public void paint(Graphics g) {
g.drawLine(xd,yd,x,y);
xd = x; yd = y;
}
@Override
public void mouseClicked(MouseEvent arg0) {
// TODO Auto-generated method stub
xd = arg0.getX(); yd = arg0.getY();
}
@Override
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void mousePressed(MouseEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void mouseReleased(MouseEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void mouseDragged(MouseEvent arg0) {
// TODO Auto-generated method stub
x = arg0.getX(); y = arg0.getY();
//repaint(5000);
}
@Override
public void mouseMoved(MouseEvent arg0) {
// TODO Auto-generated method stub
}
} |
