Class: EBPS::Text::Picture

Inherits:
String
  • Object
show all
Defined in:
lib/ebps/text/picture.rb

Constant Summary

Constants inherited from String

String::UMLAUT_SUB

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from String

#sortable, #sortable!, #to_xs

Constructor Details

#initialize ⇒ Picture

Returns a new instance of Picture.



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# File 'lib/ebps/text/picture.rb', line 10

def initialize
  super('')
end

Instance Attribute Details

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/ebps/text/picture.rb', line 9

def height
  @height
end

#height_goal ⇒ Object

Returns the value of attribute height_goal.



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# File 'lib/ebps/text/picture.rb', line 9

def height_goal
  @height_goal
end

#width ⇒ Object

Returns the value of attribute width.



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# File 'lib/ebps/text/picture.rb', line 9

def width
  @width
end

#width_goal ⇒ Object

Returns the value of attribute width_goal.



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# File 'lib/ebps/text/picture.rb', line 9

def width_goal
  @width_goal
end

#xscale ⇒ Object

Returns the value of attribute xscale.



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# File 'lib/ebps/text/picture.rb', line 9

def xscale
  @xscale
end

#yscale ⇒ Object

Returns the value of attribute yscale.



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# File 'lib/ebps/text/picture.rb', line 9

def yscale
  @yscale
end

Instance Method Details

#digest ⇒ Object 



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# File 'lib/ebps/text/picture.rb', line 13

def digest
  @digest ||= Digest::MD5.hexdigest(self)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ebps/text/picture.rb', line 16

def empty?
  super
rescue StandardError => err
  EBPS.logger.error("Text::Picture") { 
    sprintf "%s: %s", err.class, err.message
  }
  true
end

#filename ⇒ Object 



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# File 'lib/ebps/text/picture.rb', line 24

def filename
  @filename ||= "%s.%s" % [digest, EBPS.config.image_format]
end

#formats ⇒ Object 



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# File 'lib/ebps/text/picture.rb', line 27

def formats
  []
end

#image ⇒ Object 



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# File 'lib/ebps/text/picture.rb', line 30

def image
  Magick::Image.from_blob(self).first
end

#set_format(*ignore) ⇒ Object 



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# File 'lib/ebps/text/picture.rb', line 33

def set_format(*ignore)
  # ignore
end

#to_s ⇒ Object

ignore



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# File 'lib/ebps/text/picture.rb', line 36

def to_s
  image.inspect
end