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- // Copyright 2016 Google LLC
- //
- // 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 (
- "context"
- "fmt"
- "os"
-
- vision "cloud.google.com/go/vision/apiv1"
- 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)
- }
- }
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