| // 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_test |
| |
| import ( |
| "fmt" |
| "os" |
| |
| vision "cloud.google.com/go/vision/apiv1" |
| "golang.org/x/net/context" |
| pb "google.golang.org/genproto/googleapis/cloud/vision/v1" |
| ) |
| |
| func Example_NewImageFromReader() { |
| f, err := os.Open("path/to/image.jpg") |
| if err != nil { |
| // TODO: handle error. |
| } |
| img, err := vision.NewImageFromReader(f) |
| if err != nil { |
| // TODO: handle error. |
| } |
| fmt.Println(img) |
| } |
| |
| func Example_NewImageFromURI() { |
| img := vision.NewImageFromURI("gs://my-bucket/my-image.png") |
| fmt.Println(img) |
| } |
| |
| func ExampleImageAnnotatorClient_AnnotateImage() { |
| ctx := context.Background() |
| c, err := vision.NewImageAnnotatorClient(ctx) |
| if err != nil { |
| // TODO: Handle error. |
| } |
| res, err := c.AnnotateImage(ctx, &pb.AnnotateImageRequest{ |
| Image: vision.NewImageFromURI("gs://my-bucket/my-image.png"), |
| Features: []*pb.Feature{ |
| {Type: pb.Feature_LANDMARK_DETECTION, MaxResults: 5}, |
| {Type: pb.Feature_LABEL_DETECTION, MaxResults: 3}, |
| }, |
| }) |
| if err != nil { |
| // TODO: Handle error. |
| } |
| // TODO: Use res. |
| _ = res |
| } |
| |
| func Example_FaceFromLandmarks() { |
| ctx := context.Background() |
| c, err := vision.NewImageAnnotatorClient(ctx) |
| if err != nil { |
| // TODO: Handle error. |
| } |
| resp, err := c.BatchAnnotateImages(ctx, &pb.BatchAnnotateImagesRequest{ |
| Requests: []*pb.AnnotateImageRequest{ |
| { |
| Image: vision.NewImageFromURI("gs://bucket/image.jpg"), |
| Features: []*pb.Feature{{ |
| Type: pb.Feature_FACE_DETECTION, |
| MaxResults: 5, |
| }}, |
| }, |
| }, |
| }) |
| if err != nil { |
| // TODO: Handle error. |
| } |
| res := resp.Responses[0] |
| if res.Error != nil { |
| // TODO: Handle error. |
| } |
| for _, a := range res.FaceAnnotations { |
| face := vision.FaceFromLandmarks(a.Landmarks) |
| fmt.Println(face.Nose.Tip) |
| fmt.Println(face.Eyes.Left.Pupil) |
| } |
| } |