s2.shapeutil.shape_edge source code

1 // Copyright 2013 Google Inc. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS-IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 //
15 
16 // Original author: ericv@google.com (Eric Veach)
17 // Converted to D:  madric@gmail.com (Vijay Nayar)
18 
19 module s2.shapeutil.shape_edge;
20 
21 import s2.s2point;
22 import s2.s2shape;
23 import s2.shapeutil.shape_edge_id;
24 
25 
26 // A class representing a ShapeEdgeId together with the two endpoints of that
27 // edge.  It should be passed by reference.
28 class ShapeEdge {
29 public:
30   this() {}
31   this(in S2Shape shape, int edge_id) {
32     this(shape.id(), edge_id, shape.edge(edge_id));
33   }
34 
35   this(int shape_id, int edge_id, in S2Shape.Edge edge) {
36     _id = ShapeEdgeId(shape_id, edge_id);
37     _edge = edge;
38   }
39 
40   ShapeEdgeId id() const {
41     return _id;
42   }
43 
44   ref const(S2Point) v0() const {
45     return _edge.v0;
46   }
47 
48   ref const(S2Point) v1() const {
49     return _edge.v1;
50   }
51 
52 private:
53   ShapeEdgeId _id;
54   S2Shape.Edge _edge;
55 }