liberty.core.scenegraph.canvas source code

1 /**
2  * Copyright:       Copyright (C) 2018 Gabriel Gheorghe, All Rights Reserved
3  * Authors:         $(Gabriel Gheorghe)
4  * License:         $(LINK2 https://www.gnu.org/licenses/gpl-3.0.txt, GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007)
5  * Source
6  * Documentation:
7  * Coverage:
8  */
9 module liberty.core.scenegraph.canvas;
10 version (none):
11 import liberty.core.scenegraph.services : ListenerServices;
12 import liberty.core.scenegraph.node : NodeObject;
13 import liberty.core.scenegraph.scene : Scene;
14 import liberty.math.vector : Vector3F, Vector4F;
15 import liberty.core.geometry.shapes;
16 import liberty.core.config : CoreEngineException;
17 ///
18 abstract class Canvas : Widget { // TODO: Not abstract, not final.
19 	protected {
20 		bool _canListen = false;
21 		Vector4F _fillColor;
22 		Shape _shape;
23 		// TODO: CollisionShape _collisionShape;
24 	}
25 	///
26     this(string id, Node parent) {
27         super(id, parent);
28         _shape = scene.spawn!RectangleShape("shape"); // TODO. Algorithm for a new id. Maybe count instances with static?
29     }
30     ///
31     this(string id, ShapeForm shape_form, Node parent) {
32         super(id, parent);
33         switch (shape_form) with (ShapeForm) {
34             case Rectangle:
35                 _shape = scene.spawn!RectangleShape("shape"); // TODO. Algorithm for a new id.
36                 break;
37             //case Circe:
38                 //_shape = scene.spawn!CircleShape("shape"); // TODO. Algorithm for a new id.
39                 //break;
40             default:
41                 throw new CoreEngineException("Unsupported ShapeForm for Canvas element!");
42         }
43     }
44     ///
45     bool canListen() pure nothrow const {
46         return _canListen;
47     }
48     ///
49     void __canListen(bool __) { // TODO: remove.
50         _canListen = __;
51     }
52     ///
53     void stopListening() {}
54     ///
55     //override void render() {
56     //    _shape.draw();
57     //}
58     ///
59     Shape shape() {
60         return _shape;
61     }
62 }