Class: Imagetools::Imageconcat

Inherits:
Object
  • Object
show all
Defined in:
lib/imagetools/imageconcat.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ Imageconcat

Returns a new instance of Imageconcat.



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# File 'lib/imagetools/imageconcat.rb', line 74

def initialize(opts)
  @opts = opts
end

Class Method Details

.get_image_files(opts, argv) ⇒ Object 



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# File 'lib/imagetools/imageconcat.rb', line 40

def self.get_image_files(opts, argv)
  image_files = []
  # ディレクトリが処理対象かどうかを決める
  dir = nil
  if argv.size == 1
    # 引き数が1個の場合は最初の引き数
    path = File.expand_path(argv[0])
    if FileTest.directory?(path)
      dir = path
    end
  elsif argv.size == 0
    # 引き数がない場合カレントディレクトリ
    dir = File.expand_path('.')
  end
  if dir
    concat_number = opts[:n] || 2
    # ディレクトリが指定されていた場合、指定ディレクトリ内のIMG_ファイルの最新n個を対象とする
    # 最新の基準は(ファイル名基準)
    match_files = Dir.glob("#{dir}/IMG_*.{jpg,jpeg,png}", File::FNM_CASEFOLD).sort
    # 後ろからn個を取得(小さい方の数とする)
    count = [match_files.size, concat_number].min
    image_files = match_files[-count..-1]
  else
    # それ以外は指定された引き数を全て対象とする
    argv.each do |arg|
      arg = File.expand_path(arg)
      if FileTest.file?(arg) && (arg =~ /\.jpe?g$/i || arg =~ /\.png/i)
        image_files << arg
      end
    end
  end
  image_files
end

.run(argv) ⇒ Object 



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# File 'lib/imagetools/imageconcat.rb', line 10

def self.run(argv)
  STDOUT.sync = true
  opts = {}
  opt = OptionParser.new(argv)
  opt.version = VERSION
  opt.banner = "Usage: #{opt.program_name} [-h|--help] <dir> or <image1 image2 image3 ...>"
  opt.separator('')
  opt.separator("Examples:")
  opt.separator("    #{opt.program_name} ~/tmp # concat two recent IMG_*jpg images.")
  opt.separator("    #{opt.program_name} image1.jpg image2.jpg image3.jpg  # concat specified images.")
  opt.separator('')      
  opt.separator("Options:")
  opt.on_head('-h', '--help', 'Show this message') do |v|
    puts opt.help
    exit       
  end
  opt.on('-v', '--verbose', 'Verbose message') {|v| opts[:v] = v}
  opt.on('--dry-run', 'Message only') {|v| opts[:dry_run] = v}
  opt.on('-o OUTNAME', '--output=OUTNAME', 'Output file') {|v| opts[:o] = v}
  opt.on('-n NUM', '--number=NUM', 'Cancat image Number') {|v| opts[:n] = v.to_i}
  opt.parse!(argv)
  image_files = get_image_files(opts, argv)
  if image_files.size < 2
    puts opt.help
    exit        
  end
  command = Imageconcat.new(opts)
  command.run(image_files)
end

Instance Method Details

#run(image_files) ⇒ Object 



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# File 'lib/imagetools/imageconcat.rb', line 78

def run(image_files)
  dirname = File.dirname(image_files[-1])
  output_name = "photo.jpg"
  if @opts[:o]
    output_name = @opts[:o]
  end
  output_path = File.join(dirname, output_name)
  concat_images(image_files, output_path)
end