fixed dependencies

vendor/github.com/paulmach/orb/polygon.go

@@ -0,0 +1,55 @@
+package orb
+
+// Polygon is a closed area. The first LineString is the outer ring.
+// The others are the holes. Each LineString is expected to be closed
+// ie. the first point matches the last.
+type Polygon []Ring
+
+// GeoJSONType returns the GeoJSON type for the object.
+func (p Polygon) GeoJSONType() string {
+	return "Polygon"
+}
+
+// Dimensions returns 2 because a Polygon is a 2d object.
+func (p Polygon) Dimensions() int {
+	return 2
+}
+
+// Bound returns a bound around the polygon.
+func (p Polygon) Bound() Bound {
+	if len(p) == 0 {
+		return emptyBound
+	}
+	return p[0].Bound()
+}
+
+// Equal compares two polygons. Returns true if lengths are the same
+// and all points are Equal.
+func (p Polygon) Equal(polygon Polygon) bool {
+	if len(p) != len(polygon) {
+		return false
+	}
+
+	for i := range p {
+		if !p[i].Equal(polygon[i]) {
+			return false
+		}
+	}
+
+	return true
+}
+
+// Clone returns a new deep copy of the polygon.
+// All of the rings are also cloned.
+func (p Polygon) Clone() Polygon {
+	if p == nil {
+		return p
+	}
+
+	np := make(Polygon, 0, len(p))
+	for _, r := range p {
+		np = append(np, r.Clone())
+	}
+
+	return np
+}