Jason Jordan
51 lines
1.4 KiB
Ruby
51 lines
1.4 KiB
Ruby
module IdCard
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class EmployerLogo < ApplicationRecord
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# before_validation :resize_logo, if: :image_data_changed?
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# before_validation :calculate_aspect_ratio, if: :image_data_changed?
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before_validation :process_image, if: :image_data_changed?
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private
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def process_image
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image = Vips::Image.new_from_buffer(self.image_data, "")
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resized_image = ImageProcessing::Vips
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.source(image)
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.resize_to_limit(nil, 400)
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processed_image = resized_image.convert("png").call
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new_image_data = processed_image.read
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if new_image_data
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self.image_data = new_image_data
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self.filename = File.basename(self.filename, File.extname(self.filename)) + ".png"
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self.content_type = "image/png"
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end
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image_ratio = image.width.to_f / image.height
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if image_ratio
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self.aspect_ratio = image_ratio.round(2)
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end
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end
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# def resize_logo
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# image = Vips::Image.new_from_buffer(self.image_data, "")
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# processed_image = ImageProcessing::Vips
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# .source(image)
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# .resize_to_limit(nil, 200)
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# .call
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# self.image_data = processed_image.read
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# end
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# def calculate_aspect_ratio
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# image_io = StringIO.new(self.image_data)
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# width, height = FastImage.size(image_io)
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# image_ratio = width.to_f / height
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# if image_ratio
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# self.aspect_ratio = image_ratio.round(2)
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# end
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# end
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end
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end
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