LineInput.java 文件源码

public static Image makePreview ( final Display display, final LineAttributes lineAttributes, final Color lineColor, final Point p )
{
    final Image img = new Image ( display, p.x, p.y );

    final GC gc = new GC ( img );
    try
    {
        gc.setForeground ( img.getDevice ().getSystemColor ( SWT.COLOR_WHITE ) );
        gc.setBackground ( img.getDevice ().getSystemColor ( SWT.COLOR_WHITE ) );
        gc.fillRectangle ( 0, 0, p.x, p.y );

        gc.setLineAttributes ( lineAttributes );

        if ( lineColor != null )
        {
            gc.setForeground ( lineColor );
        }

        gc.drawLine ( 0, p.y / 2, p.x, p.y / 2 );
    }
    finally
    {
        gc.dispose ();
    }

    return img;
}