Method update

src/core/objects/object.cpp:480–512

}

bool Object::update() const
{
	if (!output_dirty)
		return false;
	
	Symbol::RenderableOptions options = Symbol::RenderNormal;
	if (map)
	{
		options = QFlag(map->renderableOptions());
		if (extent.isValid())
			map->setObjectAreaDirty(extent);
	}
	
	output.deleteRenderables();
	
	extent = QRectF();
	
	updateEvent();
	
	createRenderables(output, options);
	
	Q_ASSERT(extent.right() < 60000000);	// assert if bogus values are returned
	output_dirty = false;
	
	if (map)
	{
		map->insertRenderablesOfObject(this);
		if (extent.isValid())
			map->setObjectAreaDirty(extent);
	}
	
	return true;
}

void Object::updateEvent() const
{