mirror of
https://github.com/funamitech/mastodon
synced 2024-12-16 07:38:27 +09:00
107 lines
3.2 KiB
Ruby
107 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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def gen_border(codepoint, color)
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input = Rails.public_path.join('emoji', "#{codepoint}.svg")
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dest = Rails.public_path.join('emoji', "#{codepoint}_border.svg")
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doc = File.open(input) { |f| Nokogiri::XML(f) }
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svg = doc.at_css('svg')
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if svg.key?('viewBox')
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view_box = svg['viewBox'].split.map(&:to_i)
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view_box[0] -= 2
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view_box[1] -= 2
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view_box[2] += 4
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view_box[3] += 4
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svg['viewBox'] = view_box.join(' ')
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end
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g = Nokogiri::XML::Node.new 'g', doc
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doc.css('svg > *').each do |elem|
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border_elem = elem.dup
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border_elem.delete('fill')
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border_elem['stroke'] = color
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border_elem['stroke-linejoin'] = 'round'
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border_elem['stroke-width'] = '4px'
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g.add_child(border_elem)
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end
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svg.prepend_child(g)
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File.write(dest, doc.to_xml)
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puts "Wrote bordered #{codepoint}.svg to #{dest}!"
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end
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def codepoints_to_filename(codepoints)
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codepoints.downcase.gsub(/\A0+/, '').tr(' ', '-')
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end
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def codepoints_to_unicode(codepoints)
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if codepoints.include?(' ')
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codepoints.split.map(&:hex).pack('U*')
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else
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[codepoints.hex].pack('U')
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end
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end
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namespace :emojis do
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desc 'Generate a unicode to filename mapping'
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task :generate do
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source = 'http://www.unicode.org/Public/emoji/14.0/emoji-test.txt'
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codes = []
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dest = Rails.root.join('app', 'javascript', 'mastodon', 'features', 'emoji', 'emoji_map.json')
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puts "Downloading emojos from source... (#{source})"
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HTTP.get(source).to_s.split("\n").each do |line|
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next if line.start_with? '#'
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parts = line.split(';').map(&:strip)
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next if parts.size < 2
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codes << [parts[0], parts[1].start_with?('fully-qualified')]
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end
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grouped_codes = codes.reduce([]) do |agg, current|
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if current[1]
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agg << [current[0]]
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else
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agg.last << current[0]
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agg
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end
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end
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existence_maps = grouped_codes.map { |c| c.index_with { |cc| Rails.public_path.join('emoji', "#{codepoints_to_filename(cc)}.svg").exist? } }
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map = {}
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existence_maps.each do |group|
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existing_one = group.key(true)
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next if existing_one.nil?
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group.each_key do |key|
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map[codepoints_to_unicode(key)] = codepoints_to_filename(existing_one)
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end
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end
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map = map.sort { |a, b| a[0].size <=> b[0].size }.to_h
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File.write(dest, Oj.dump(map))
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puts "Wrote emojo to destination! (#{dest})"
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end
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desc 'Generate emoji variants with white borders'
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task :generate_borders do
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src = Rails.root.join('app', 'javascript', 'mastodon', 'features', 'emoji', 'emoji_map.json')
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emojis_light = '👽⚾🐔☁️💨🕊️👀🍥👻🐐❕❔⛸️🌩️🔊🔇📃🌧️🐏🍚🍙🐓🐑💀☠️🌨️🔉🔈💬💭🏐🏳️⚪⬜◽◻️▫️'
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emojis_dark = '🎱🐜⚫🖤⬛◼️◾◼️✒️▪️💣🎳📷📸♣️🕶️✴️🔌💂♀️📽️🍳🦍💂🔪🕳️🕹️🕋🖊️🖋️💂♂️🎤🎓🎥🎼♠️🎩🦃📼📹🎮🐃🏴🐞🕺📱📲🚲'
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map = Oj.load(File.read(src))
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emojis_light.each_grapheme_cluster do |emoji|
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gen_border map[emoji], 'black'
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end
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emojis_dark.each_grapheme_cluster do |emoji|
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gen_border map[emoji], 'white'
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end
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end
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end
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