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vendor/cloud.google.com/go/vision/latlng.go

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+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vision
+
+import (
+	pb "google.golang.org/genproto/googleapis/cloud/vision/v1"
+	llpb "google.golang.org/genproto/googleapis/type/latlng"
+)
+
+// A LatLng is a point on the Earth's surface, represented with a latitude and longitude.
+type LatLng struct {
+	// Lat is the latitude in degrees. It must be in the range [-90.0, +90.0].
+	Lat float64
+	// Lng is the longitude in degrees. It must be in the range [-180.0, +180.0].
+	Lng float64
+}
+
+func (l LatLng) toProto() *llpb.LatLng {
+	return &llpb.LatLng{
+		Latitude:  l.Lat,
+		Longitude: l.Lng,
+	}
+}
+
+func latLngFromProto(ll *llpb.LatLng) LatLng {
+	return LatLng{
+		Lat: ll.Latitude,
+		Lng: ll.Longitude,
+	}
+}
+
+// A LatLngRect is a rectangular area on the Earth's surface, represented by a
+// minimum and maximum latitude and longitude.
+type LatLngRect struct {
+	Min, Max LatLng
+}
+
+func (r *LatLngRect) toProto() *pb.LatLongRect {
+	if r == nil {
+		return nil
+	}
+	return &pb.LatLongRect{
+		MinLatLng: r.Min.toProto(),
+		MaxLatLng: r.Max.toProto(),
+	}
+}