public interface HasDrawStartHandlers
extends com.google.gwt.event.shared.HasHandlers
| Modifier and Type | Method and Description |
|---|---|
com.google.gwt.event.shared.HandlerRegistration |
addDrawStartHandler(DrawStartHandler handler)
Called when we start drawing for this DrawItem to the
drawPane's underlying HTML5 <canvas> element. |
com.google.gwt.event.shared.HandlerRegistration addDrawStartHandler(DrawStartHandler handler)
drawPane's underlying HTML5 <canvas> element. Only called if the DrawingType
is DrawingType.BITMAP.handler - the drawStart handlerHandlerRegistration used to remove this handler