Added show and hide methods and updated doc API.

(cherry picked from commit 160ee4ef8ef804eca5429a98a9359275e096287f)

doc/classes/CanvasLayer.xml

@@ -18,6 +18,18 @@
 				Returns the RID of the canvas used by this layer.
 			</description>
 		</method>
+		<method name="hide">
+			<return type="void" />
+			<description>
+				Hides any [CanvasItem] under this [CanvasLayer]. This is equivalent to setting [member visible] to [code]false[/code].
+			</description>
+		</method>
+		<method name="show">
+			<return type="void" />
+			<description>
+				Shows any [CanvasItem] under this [CanvasLayer]. This is equivalent to setting [member visible] to [code]true[/code].
+			</description>
+		</method>
 	</methods>
 	<members>
 		<member name="custom_viewport" type="Node" setter="set_custom_viewport" getter="get_custom_viewport">

scene/main/canvas_layer.cpp

@@ -65,6 +65,14 @@ void CanvasLayer::set_visible(bool p_visible) {
 	}
 }
 
+void CanvasLayer::show() {
+	set_visible(true);
+}
+
+void CanvasLayer::hide() {
+	set_visible(false);
+}
+
 bool CanvasLayer::is_visible() const {
 	return visible;
 }
@@ -294,6 +302,8 @@ void CanvasLayer::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("set_visible", "visible"), &CanvasLayer::set_visible);
 	ClassDB::bind_method(D_METHOD("is_visible"), &CanvasLayer::is_visible);
+	ClassDB::bind_method(D_METHOD("show"), &CanvasLayer::show);
+	ClassDB::bind_method(D_METHOD("hide"), &CanvasLayer::hide);
 
 	ClassDB::bind_method(D_METHOD("set_transform", "transform"), &CanvasLayer::set_transform);
 	ClassDB::bind_method(D_METHOD("get_transform"), &CanvasLayer::get_transform);

scene/main/canvas_layer.h

@@ -72,6 +72,8 @@ public:
 
 	void set_visible(bool p_visible);
 	bool is_visible() const;
+	void show();
+	void hide();
 
 	void set_transform(const Transform2D &p_xform);
 	Transform2D get_transform() const;