| // Copyright 2017, 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 |
| |
| import ( |
| "io" |
| "io/ioutil" |
| |
| pb "google.golang.org/genproto/googleapis/cloud/vision/v1" |
| ) |
| |
| // NewImageFromReader reads the bytes of an image from r. |
| func NewImageFromReader(r io.Reader) (*pb.Image, error) { |
| bytes, err := ioutil.ReadAll(r) |
| if err != nil { |
| return nil, err |
| } |
| return &pb.Image{Content: bytes}, nil |
| } |
| |
| // NewImageFromURI returns an image that refers to an object in Google Cloud Storage |
| // (when the uri is of the form "gs://BUCKET/OBJECT") or at a public URL. |
| func NewImageFromURI(uri string) *pb.Image { |
| return &pb.Image{Source: &pb.ImageSource{ImageUri: uri}} |
| } |