Image load/save indication progress

ProgressCallback.java

// Example of use of separate operation progress event handlers for load/export operations
String fileName = "some file to load";
LoadOptions loadOptions = new LoadOptions();
loadOptions.setProgressEventHandler(new ProgressEventHandler()
{
	@Override
	public void invoke(ProgressEventHandlerInfo info)
	{
		System.out.format("Load event %s : %d/%d\n", EventType.toString(EventType.class, info.getEventType())
				, info.getValue(), info.getMaxValue());
	}
});
try (Image image = Image.load(fileName, loadOptions))
{
	PsdOptions psdOptions = new PsdOptions();
	psdOptions.setProgressEventHandler(new ProgressEventHandler()
	{
		@Override
		public void invoke(ProgressEventHandlerInfo info)
		{
			System.out.format("Export event %s : %d/%d\n", EventType.toString(EventType.class, info.getEventType())
					, info.getValue(), info.getMaxValue());
		}
	});
	image.save(fileName + ".psd", psdOptions);
}