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mastodon/app/models/concerns/account_header.rb
Yamagishi Kazutoshi 87f10d476c Set false to animated options for thumbnail processor (#4547)
Resolve #3199

Fix the aspect ratio of animated GIF whose background is transparent.
2017-08-07 14:41:21 +02:00

33 lines
849 B
Ruby

# frozen_string_literal: true
module AccountHeader
extend ActiveSupport::Concern
IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
class_methods do
def header_styles(file)
styles = { original: '700x335#' }
styles[:static] = { animated: false } if file.content_type == 'image/gif'
styles
end
private :header_styles
end
included do
# Header upload
has_attached_file :header, styles: ->(f) { header_styles(f) }, convert_options: { all: '-quality 80 -strip' }
validates_attachment_content_type :header, content_type: IMAGE_MIME_TYPES
validates_attachment_size :header, less_than: 2.megabytes
end
def header_original_url
header.url(:original)
end
def header_static_url
header_content_type == 'image/gif' ? header.url(:static) : header_original_url
end
end