Mega Code Archive
Demonstrates how to draw text
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//Send questions, comments, bug reports, etc. to the authors:
//Rob Warner (rwarner@interspatial.com)
//Robert Harris (rbrt_harris@yahoo.com)
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
/**
* This class demonstrates how to draw text
*/
public class DrawText {
// The string to draw
private static final String HELLO = "Hello,\n&World!\tFrom SWT";
/**
* Runs the application
*/
public void run() {
Display display = new Display();
final Shell shell = new Shell(display);
// Load an image to use as the background
final Image image = new Image(display, this.getClass().getResourceAsStream(
"rntsoft.gif"));
shell.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent event) {
/* Stretch the image to fill the window*/
Rectangle rect = shell.getClientArea();
event.gc.drawImage(image, 0, 0, image.getImageData().width, image
.getImageData().height, 0, 0, rect.width, rect.height);
// This will draw the string on one line, with non-printing characters
// for \n and \t, with an ampersand, and with an opaque background
event.gc.drawString(HELLO, 5, 0);
// This will draw the string on one line, with non-printing characters
// for \n and \t, with an ampersand, and with a transparent background
event.gc.drawString(HELLO, 5, 40, true);
// This will draw the string on two lines, with a tab between World! and
// From, with an ampersand, and with an opaque background
event.gc.drawText(HELLO, 5, 80);
// This will draw the string on two lines, with a tab between World! and
// From, with an ampersand, and with a transparent background
event.gc.drawText(HELLO, 5, 120, true);
// This will draw the string on two lines, with a tab between World! and
// From, with the W underlined, and with a transparent background
event.gc.drawText(HELLO, 5, 160, SWT.DRAW_MNEMONIC | SWT.DRAW_DELIMITER
| SWT.DRAW_TAB | SWT.DRAW_TRANSPARENT);
}
});
shell.setText("Draw Text");
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
image.dispose();
display.dispose();
}
/**
* The application entry point
*
* @param args the command line arguments
*/
public static void main(String[] args) {
new DrawText().run();
}
}
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