79 lines
4 KiB
Ruby
79 lines
4 KiB
Ruby
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namespace :branding do
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desc 'Generate necessary graphic assets for branding from source SVG files'
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task generate: :environment do
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Rake::Task['branding:generate_app_icons'].invoke
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Rake::Task['branding:generate_app_badge'].invoke
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Rake::Task['branding:generate_github_assets'].invoke
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Rake::Task['branding:generate_mailer_assets'].invoke
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end
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desc 'Generate PNG icons and logos for e-mail templates'
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task generate_mailer_assets: :environment do
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rsvg_convert = Terrapin::CommandLine.new('rsvg-convert', '-w :w -h :h :input -o :output')
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output_dest = Rails.root.join('app', 'javascript', 'images', 'mailer')
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# Displayed size is 64px, at 3x it's 192px
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Dir[Rails.root.join('app', 'javascript', 'images', 'icons', '*.svg')].each do |path|
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rsvg_convert.run(input: path, w: 192, h: 192, output: output_dest.join("#{File.basename(path, '.svg')}.png"))
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end
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# Displayed size is 34px, at 3x it's 102px
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rsvg_convert.run(input: Rails.root.join('app', 'javascript', 'images', 'logo-symbol-wordmark.svg'), w: (102 * (261.0 / 66)).ceil, h: 102, output: output_dest.join('wordmark.png'))
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# Displayed size is 24px, at 3x it's 72px
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rsvg_convert.run(input: Rails.root.join('app', 'javascript', 'images', 'logo-symbol-icon.svg'), w: (72 * (79.0 / 75)).ceil, h: 72, output: output_dest.join('logo.png'))
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end
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desc 'Generate light/dark logotypes for GitHub'
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task generate_github_assets: :environment do
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rsvg_convert = Terrapin::CommandLine.new('rsvg-convert', '--stylesheet :stylesheet -w :w -h :h :input -o :output')
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output_dest = Rails.root.join('lib', 'assets')
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rsvg_convert.run(stylesheet: Rails.root.join('lib', 'assets', 'wordmark.dark.css'), input: Rails.root.join('app', 'javascript', 'images', 'logo-symbol-wordmark.svg'), w: (102 * (261.0 / 66)).ceil, h: 102, output: output_dest.join('wordmark.dark.png'))
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rsvg_convert.run(stylesheet: Rails.root.join('lib', 'assets', 'wordmark.light.css'), input: Rails.root.join('app', 'javascript', 'images', 'logo-symbol-wordmark.svg'), w: (102 * (261.0 / 66)).ceil, h: 102, output: output_dest.join('wordmark.light.png'))
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end
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desc 'Generate favicons and app icons from SVG source files'
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task generate_app_icons: :environment do
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favicon_source = Rails.root.join('app', 'javascript', 'images', 'logo.svg')
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app_icon_source = Rails.root.join('app', 'javascript', 'images', 'app-icon.svg')
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output_dest = Rails.root.join('app', 'javascript', 'icons')
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rsvg_convert = Terrapin::CommandLine.new('rsvg-convert', '-w :size -h :size :input -o :output')
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convert = Terrapin::CommandLine.new('convert', ':input :output')
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favicon_sizes = [16, 32, 48]
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apple_icon_sizes = [57, 60, 72, 76, 114, 120, 144, 152, 167, 180, 1024]
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android_icon_sizes = [36, 48, 72, 96, 144, 192, 256, 384, 512]
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favicons = []
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favicon_sizes.each do |size|
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output_path = output_dest.join("favicon-#{size}x#{size}.png")
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favicons << output_path
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rsvg_convert.run(size: size, input: favicon_source, output: output_path)
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end
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convert.run(input: favicons, output: Rails.root.join('public', 'favicon.ico'))
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apple_icon_sizes.each do |size|
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rsvg_convert.run(size: size, input: app_icon_source, output: output_dest.join("apple-touch-icon-#{size}x#{size}.png"))
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end
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android_icon_sizes.each do |size|
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rsvg_convert.run(size: size, input: app_icon_source, output: output_dest.join("android-chrome-#{size}x#{size}.png"))
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end
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end
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desc 'Generate badge icon from SVG source files'
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task generate_app_badge: :environment do
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rsvg_convert = Terrapin::CommandLine.new('rsvg-convert', '--stylesheet :stylesheet -w :w -h :h :input -o :output')
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badge_source = Rails.root.join('app', 'javascript', 'images', 'logo-symbol-icon.svg')
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source_ratio = 79.0 / 75
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output_dest = Rails.root.join('public')
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stylesheet = Rails.root.join('lib', 'assets', 'wordmark.light.css')
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rsvg_convert.run(stylesheet: stylesheet, input: badge_source, w: (192 * source_ratio).ceil, h: 192, output: output_dest.join('badge.png'))
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end
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end
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