Image: getImageData()
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
final Image image = new Image(display, new MainClass().getClass().getResourceAsStream(
"swt.png"));
System.out.println(image.getImageData().scanlinePad);
image.getImageData().scanlinePad = 40;
System.out.println(image.getImageData().scanlinePad);
shell.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent event) {
event.gc.drawImage(image, 0, 0);
Rectangle rect = shell.getClientArea();
ImageData data = image.getImageData();
int srcX = data.width / 4;
int srcY = data.height / 4;
int srcWidth = data.width / 2;
int srcHeight = data.height / 2;
int destWidth = 2 * srcWidth;
int destHeight = 2 * srcHeight;
event.gc.drawImage(image, srcX, srcY, srcWidth, srcHeight, rect.width
- destWidth, rect.height - destHeight, destWidth, destHeight);
}
});
shell.setText("Draw Images");
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
image.dispose();
display.dispose();
}
}
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