/
get_reference_image.go
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/
get_reference_image.go
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// Copyright 2019 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
//
// https://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 productsearch contains samples for Google Cloud Vision API Product Search.
package productsearch
// [START vision_product_search_get_reference_image]
import (
"context"
"fmt"
"io"
vision "cloud.google.com/go/vision/apiv1"
visionpb "google.golang.org/genproto/googleapis/cloud/vision/v1"
)
// getReferenceImage gets a reference image.
func getReferenceImage(w io.Writer, projectID string, location string, productID string, referenceImageID string) error {
ctx := context.Background()
c, err := vision.NewProductSearchClient(ctx)
if err != nil {
return fmt.Errorf("NewProductSearchClient: %v", err)
}
defer c.Close()
req := &visionpb.GetReferenceImageRequest{
Name: fmt.Sprintf("projects/%s/locations/%s/products/%s/referenceImages/%s", projectID, location, productID, referenceImageID),
}
resp, err := c.GetReferenceImage(ctx, req)
if err != nil {
return fmt.Errorf("GetReferenceImage: %v", err)
}
fmt.Fprintf(w, "Reference image name: %s\n", resp.Name)
fmt.Fprintf(w, "Reference image uri: %s\n", resp.Uri)
fmt.Fprintf(w, "Reference image bounding polygons: %s\n", resp.BoundingPolys)
return nil
}
// [END vision_product_search_get_reference_image]