SWT code for capturing control screen-shot.
public class ScreenCaptureTest
{
public static void main(String[] args)
{
String[] names = {"Harry", "Sally", "Jhon", "Tim", "Scott"};
String[] msg = {"Hello World!", "Today is a nice day to walk", "I am bored", "This is how you take widget capture", "Ha Ha Ha!! That's funny !"};
final Display display = new Display();
final Shell shell = new Shell(display);
shell.setText("Screen Capture");
shell.setLayout(new GridLayout(1, true));
final Composite composite = new Composite(shell, SWT.BORDER);
composite.setLayout(new GridLayout(2, true));
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
Table table = new Table(composite, SWT.BORDER|SWT.V_SCROLL|SWT.H_SCROLL|SWT.FULL_SELECTION);
table.setLinesVisible(true);
table.setHeaderVisible(true);
table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
TableColumn columnName = new TableColumn(table, SWT.LEFT);
columnName.setText("Name");
columnName.setWidth(100);
TableColumn columnMsg = new TableColumn(table, SWT.LEFT);
columnMsg.setText("Message");
columnMsg.setWidth(200);
for (int i = 0; i < 5; i++)
{
TableItem item = new TableItem(table, SWT.NONE, 0);
item.setText(0, names[i]);
item.setText(1, msg[i]);
}
StyledText text = new StyledText (composite, SWT.BORDER);
text.setText("0123456789 ABCDEFGHIJKLM NOPQRSTUVWXYZ");
text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
StyleRange style1 = new StyleRange();
style1.start = 0;
style1.length = 10;
style1.fontStyle = SWT.BOLD;
text.setStyleRange(style1);
StyleRange style2 = new StyleRange();
style2.start = 11;
style2.length = 13;
style2.foreground = display.getSystemColor(SWT.COLOR_RED);
text.setStyleRange(style2);
StyleRange style3 = new StyleRange();
style3.start = 25;
style3.length = 13;
style3.background = display.getSystemColor(SWT.COLOR_BLUE);
text.setStyleRange(style3);
Button button = new Button(shell, SWT.PUSH);
button.setText("Capture");
button.pack();
button.addListener(SWT.Selection, new Listener()
{
public void handleEvent(Event event)
{
GC gc = new GC(display);
final Image image = new Image(display, shell.getBounds());
gc.copyArea(image, shell.getBounds().x, shell.getBounds().y);
gc.dispose();
Shell popup = new Shell(shell);
popup.setText("Captured Image");
popup.addListener(SWT.Close, new Listener() {
public void handleEvent(Event e) {
image.dispose();
}
});
Canvas canvas = new Canvas(popup, SWT.NONE);
canvas.setBounds(0,0,image.getImageData().width, image.getImageData().height);
canvas.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
e.gc.drawImage(image, 0, 0);
}
});
popup.pack();
popup.open();
}
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
Original Composite:
Captured Image:
