Drawings : 2D « SWT JFace Eclipse « Java
Drawings
/******************************************************************************
* All Right Reserved.
* Copyright (c) 1998, 2004 Jackwind Li Guojie
*
* Created on 2004-4-18 18:33:36 by JACK
* $Id$
*
*****************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class Drawings {
Display display = new Display();
Shell shell = new Shell(display);
public Drawings() {
shell.setLayout(new FillLayout());
Canvas canvas = new Canvas(shell, SWT.BORDER);
canvas.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
canvas.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
// e.gc.drawString("SWT.LINE_SOLID (default)", 10, 10);
// e.gc.drawString("SWT.LINE_DASH", 10, 30);
// e.gc.drawString("SWT.LINE_DOT", 10, 50);
// e.gc.drawString("SWT.LINE_DASHDOT", 10, 70);
// e.gc.drawString("SWT.LINE_DASHDOTDOT", 10, 90);
// e.gc.drawString("Line width = 1 (default)", 10, 120);
// e.gc.drawString("Line width = 3", 10, 140);
//
// int start = 150;
// e.gc.setLineWidth(1);
// e.gc.setLineStyle(SWT.LINE_SOLID);
// e.gc.drawLine(start, 15, start + 200, 15);
// e.gc.setLineStyle(SWT.LINE_DASH);
// e.gc.drawLine(start, 35, start + 200, 35);
// e.gc.setLineStyle(SWT.LINE_DOT);
// e.gc.drawLine(start, 55, start + 200, 55);
// e.gc.setLineStyle(SWT.LINE_DASHDOT);
// e.gc.drawLine(start, 75, start + 200, 75);
// e.gc.setLineStyle(SWT.LINE_DASHDOTDOT);
// e.gc.drawLine(start, 95, start + 200, 95);
//
// e.gc.setLineStyle(SWT.LINE_SOLID);
// e.gc.drawLine(start, 125, start + 200, 125);
// e.gc.setLineWidth(3);
// e.gc.drawLine(start, 145, start + 200, 145);
// int[] points = new int[3 * 2];
// points[0] = 10; // The point at the top.
// points[1] = 10;
//
// points[2] = 10; // The point at the left bottom.
// points[3] = 100;
//
// points[4] = 100; // the point at the right bottom
// points[5] = 100;
//
// //e.gc.drawPolyline(points);
e.gc.setLineStyle(SWT.LINE_SOLID);
e.gc.setBackground(display.getSystemColor(SWT.COLOR_DARK_GREEN));
e.gc.fillArc(10, 10, 200, 100, 0, -90);
e.gc.setLineStyle(SWT.LINE_DOT);
e.gc.drawLine(0, 60, 220, 60);
e.gc.drawLine(110, 0, 110, 120);
}
});
shell.pack();
shell.open();
//textUser.forceFocus();
// Set up the event loop.
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
// If no more entries in event queue
display.sleep();
}
}
display.dispose();
}
private void init() {
}
public static void main(String[] args) {
new Drawings();
}
}
