Set icons with different resolutions : Image « SWT JFace Eclipse « Java

Set icons with different resolutions

Set icons with different resolutions
 * example snippet: set icons with different resolutions
 * For a list of all SWT example snippets see
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class Snippet138 {
  public static void main(String[] args) {
    Display display = new Display();

    Image small = new Image(display, 16, 16);
    GC gc = new GC(small);
    gc.fillArc(0, 0, 16, 16, 45, 270);

    Image large = new Image(display, 32, 32);
    gc = new GC(large);
    gc.fillArc(0, 0, 32, 32, 45, 270);

     * Provide different resolutions for icons to get high quality rendering
     * wherever the OS needs large icons. For example, the ALT+TAB window on
     * certain systems uses a larger icon.
    Shell shell = new Shell(display);
    shell.setText("Small and Large icons");
    shell.setImages(new Image[] { small, large });

     * No large icon: the OS will scale up the small icon when it needs a
     * large one.
    Shell shell2 = new Shell(display);
    shell2.setText("Small icon");
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())

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