93 lines
2.3 KiB
Go
93 lines
2.3 KiB
Go
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// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package vision_test
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import (
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"fmt"
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"os"
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vision "cloud.google.com/go/vision/apiv1"
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"golang.org/x/net/context"
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pb "google.golang.org/genproto/googleapis/cloud/vision/v1"
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)
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func Example_NewImageFromReader() {
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f, err := os.Open("path/to/image.jpg")
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if err != nil {
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// TODO: handle error.
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}
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img, err := vision.NewImageFromReader(f)
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if err != nil {
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// TODO: handle error.
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}
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fmt.Println(img)
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}
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func Example_NewImageFromURI() {
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img := vision.NewImageFromURI("gs://my-bucket/my-image.png")
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fmt.Println(img)
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}
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func ExampleImageAnnotatorClient_AnnotateImage() {
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ctx := context.Background()
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c, err := vision.NewImageAnnotatorClient(ctx)
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if err != nil {
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// TODO: Handle error.
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}
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res, err := c.AnnotateImage(ctx, &pb.AnnotateImageRequest{
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Image: vision.NewImageFromURI("gs://my-bucket/my-image.png"),
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Features: []*pb.Feature{
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{Type: pb.Feature_LANDMARK_DETECTION, MaxResults: 5},
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{Type: pb.Feature_LABEL_DETECTION, MaxResults: 3},
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},
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})
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if err != nil {
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// TODO: Handle error.
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}
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// TODO: Use res.
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_ = res
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}
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func Example_FaceFromLandmarks() {
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ctx := context.Background()
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c, err := vision.NewImageAnnotatorClient(ctx)
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if err != nil {
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// TODO: Handle error.
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}
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resp, err := c.BatchAnnotateImages(ctx, &pb.BatchAnnotateImagesRequest{
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Requests: []*pb.AnnotateImageRequest{
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{
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Image: vision.NewImageFromURI("gs://bucket/image.jpg"),
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Features: []*pb.Feature{{
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Type: pb.Feature_FACE_DETECTION,
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MaxResults: 5,
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}},
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},
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},
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})
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if err != nil {
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// TODO: Handle error.
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}
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res := resp.Responses[0]
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if res.Error != nil {
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// TODO: Handle error.
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}
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for _, a := range res.FaceAnnotations {
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face := vision.FaceFromLandmarks(a.Landmarks)
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fmt.Println(face.Nose.Tip)
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fmt.Println(face.Eyes.Left.Pupil)
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}
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}
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