/**
* @see
* org.locationtech.udig.project.internal.render.impl.RendererImpl#setContext(org.locationtech.udig.project.render.RenderContext)
*/
@SuppressWarnings("unchecked")
public void setContext(IRenderContext newContext) {
if (context != null) {
((CompositeRenderContext) context).removeListener(contextListener);
}
if (newContext != null) {
CompositeRenderContext compositeRenderContext = (CompositeRenderContext) newContext;
compositeRenderContext.addListener(contextListener);
for (IRenderContext context : compositeRenderContext.getContexts()) {
if (findExecutor(context) == null) {
Renderer renderer = getRendererCreator(context).getRenderer((RenderContext) context);
getRenderExecutors().add(createRenderExecutor(renderer));
}
}
super.setContext(newContext);
}
}
private boolean isFullAlphaUsed(RenderExecutor executor) {
Object object = getContext().getMap().getBlackboard().get("MYLAR"); // $NON-NLS-1$
if (object == null || !((Boolean) object).booleanValue()) return true;
if (executor.getContext() instanceof CompositeRenderContext) {
CompositeRenderContext context = (CompositeRenderContext) executor.getContext();
if (context.getLayers().contains(getContext().getSelectedLayer())) return true;
return false;
}
if (executor.getContext().getLayer() == getContext().getSelectedLayer()) return true;
return false;
}