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# Copyright 2016 Google, Inc
#
# 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.
require "uri"
def detect_crop_hints image_path:
# [START vision_crop_hint_detection]
# image_path = "Path to local image file, eg. './image.png'"
require "google/cloud/vision"
image_annotator = Google::Cloud::Vision::ImageAnnotator.new
# [START vision_crop_hint_detection_migration]
response = image_annotator.crop_hints_detection image: image_path
response.responses.each do |res|
puts "Crop hint bounds:"
res.crop_hints_annotation.crop_hints.each do |crop_hint|
crop_hint.bounding_poly.vertices.each do |bound|
puts "#{bound.x}, #{bound.y}"
end
end
end
# [END vision_crop_hint_detection_migration]
# [END vision_crop_hint_detection]
end
# This method is a duplicate of the above method, but with a different
# description of the 'image_path' variable, demonstrating the gs://bucket/file
# GCS storage URI format.
def detect_crop_hints_gcs image_path:
# [START vision_crop_hint_detection_gcs]
# image_path = "Google Cloud Storage URI, eg. 'gs://my-bucket/image.png'"
require "google/cloud/vision"
image_annotator = Google::Cloud::Vision::ImageAnnotator.new
response = image_annotator.crop_hints_detection image: image_path
response.responses.each do |res|
puts "Crop hint bounds:"
res.crop_hints_annotation.crop_hints.each do |crop_hint|
crop_hint.bounding_poly.vertices.each do |bound|
puts "#{bound.x}, #{bound.y}"
end
end
end
# [END vision_crop_hint_detection_gcs]
end
if $PROGRAM_NAME == __FILE__
image_path = ARGV.shift
if !image_path
puts <<~USAGE
Usage: ruby detect_crop_hints.rb [image file path]
Example:
ruby detect_crop_hints.rb image.png
ruby detect_crop_hints.rb https://public-url/image.png
ruby detect_crop_hints.rb gs://my-bucket/image.png
USAGE
elsif image_path =~ URI::DEFAULT_PARSER.make_regexp
detect_crop_hints_gcs image_path: image_path
else
detect_crop_hints image_path: image_path
end
end
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