Class: Appiconset::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/appiconset/generator.rb

Overview

Generator

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Generator

Returns a new instance of Generator.



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# File 'lib/appiconset/generator.rb', line 11

def initialize; end

Instance Method Details

#any_platforms ⇒ Object 



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# File 'lib/appiconset/generator.rb', line 81

def any_platforms
  platforms = [
    {
      name: 'universal',
      size: [0, 0],
      contents: [
        { width: @width, height: @height, name: 'Icon@3x.png' },
        { width: @width / 3 * 2, height: @height / 3 * 2, name: 'Icon@2x.png' },
        { width: @width / 3, height: @height / 3, name: 'Icon@1x.png' }
      ]
    },
    {
      name: 'tv',
      size: [4640, 1440],
      contents: [
        { width: 800, height: 480, name: 'Icon@2x.png' },
        { width: 400, height: 240, name: 'Icon@1x.png' }
      ]
    },
    {
      name: 'tv-top-shelf',
      size: [4640, 1440],
      contents: [
        { width: 3840, height: 1440, name: 'Icon@2x.png' },
        { width: 1920, height: 720, name: 'Icon@1x.png' }
      ]
    },
    {
      name: 'tv-top-shelf-wide',
      size: [4640, 1440],
      contents: [
        { width: 4640, height: 1440, name: 'Icon@2x.png' },
        { width: 2320, height: 720, name: 'Icon@1x.png' }
      ]
    },
    {
      name: 'tv-appstore',
      size: [4640, 1440],
      contents: [
        { width: 1280, height: 768, name: 'Icon@1x.png' }
      ]
    },
    {
      name: 'tv-1024x1024',
      size: [4640, 1440],
      contents: [
        { width: 1024, height: 1024, name: 'Icon@1x.png' }
      ]
    }
  ]

  platforms.each do |platform|
    platform_name = platform[:name]
    next unless size_match?(platform[:size])

    show_info(platform_name)

    output_dir = "#{@output}#{platform_name}/"
    FileUtils.mkdir_p(output_dir)

    platform[:contents].each do |content|
      width = content[:width].to_f
      height = content[:height].to_f
      name = content[:name]

      image = Magick::ImageList.new(@input)
      if platform_name.start_with?('tv')
        image = image.scale(height / 1440.0)
        image = image.crop(Magick::CenterGravity, width, height)
      else
        image = image.resize_to_fit(width, height)
      end
      image.format = 'PNG'
      image.write(output_dir + name)
    end
  end
end

#config(input, output) ⇒ Object 



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# File 'lib/appiconset/generator.rb', line 13

def config(input, output)
  raise 'no input file.' unless File.exist?(input)
  raise 'no output <dir>.' if output == ''

  size = FastImage.size(input)
  raise 'Unsupported file.' if size.nil?

  @width = size[0]
  @height = size[1]

  output += '/' unless output.end_with?('/')

  FileUtils.mkdir_p(output) unless FileTest.exist?(output)

  @input = input
  @output = output
end

#square_platforms ⇒ Object

正方形アイコン



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# File 'lib/appiconset/generator.rb', line 32

def square_platforms
  return unless size_match?([1024, 1024])

  json_dir = "#{__dir__}/settings/*.json"

  Dir.glob(json_dir).each do |path|
    json_data = File.open(path) do |f|
      JSON.parse(f.read)
    end

    # プラットフォームごとのディレクトリ
    platform = File.basename(path).gsub('-Contents.json', '')
    output_dir = "#{@output}#{platform}/"
    FileUtils.mkdir_p(output_dir)

    show_info(platform)

    json_data['images'].each do |image|
      size = image['size'].match(/(.*?)x/)[1].to_f
      scale = image['scale'].gsub('x', '').to_i
      # 実際のサイズ
      real_size = size * scale
      name = image['filename']

      image = Magick::ImageList.new(@input)
      new_image = image.resize_to_fit(real_size, real_size)
      new_image.format = 'PNG'
      new_image.write(output_dir + name)
    end

    # Xcode用にファイルをコピーする
    begin
      FileUtils.cp(path, "#{output_dir}/Contents.json") if json_data['info']['author'] == 'xcode'
    rescue StandardError
      # none
    end

    if platform == 'icns.iconset' && RbConfig::CONFIG['host_os'].match(/darwin|mac os/)
      # macOSで実行可能
      system("iconutil -c icns --output #{output_dir}/Icon.icns #{output_dir}/")
    elsif platform == 'favicon'
      images = Dir.glob("#{output_dir}*")
      image = Magick::ImageList.new(*images)
      image.format = 'ICO'
      image.write("#{output_dir}favicon.ico")
    end
  end
end