Class: Miniatura::Options

Inherits:
Object
  • Object
show all
Defined in:
lib/miniatura/options.rb

Constant Summary collapse

CLI_KEY = 
{
  size: '-s',
  time_frame: '-ss',
  quality: '-q',
  file_extension: '-c'
}

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Options

Returns a new instance of Options.



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# File 'lib/miniatura/options.rb', line 11

def initialize options
  @ptions = options
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/miniatura/options.rb', line 42

def method_missing(name, *args)
  "#{CLI_KEY[name]} #{args[0]}" if CLI_KEY.has_key? name
end

Instance Method Details

#file_extension(value) ⇒ Object 



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# File 'lib/miniatura/options.rb', line 23

def file_extension value
  case value
  when 'jpeg' then %Q(-c mjpeg)
  when  'png' then %Q(-c png)
  else
    " "
  end
end

#rotate(value) ⇒ Object 



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# File 'lib/miniatura/options.rb', line 32

def rotate value
  case value
  when 90  then %Q(-vf transpose=1)
  when 180 then %Q(-vf vflip )
  when 270 then %Q(-vf transpose=2)
  else
    ""
  end
end

#to_options ⇒ Object 



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# File 'lib/miniatura/options.rb', line 15

def to_options
  result = @ptions.map do |k, v|
    send(k.to_s, v)
  end
  result << "-vframes 1"
  result.join(' ')
end