Class: Riiif::Size::Imagemagick::HeightDecoder

Inherits:
Object
  • Object
show all
Defined in:
app/services/riiif/size/imagemagick/height_decoder.rb

Overview

The image or region should be scaled so that its height is exactly equal to the provided parameter, and the width will be a calculated value that maintains the aspect ratio of the extracted region

Instance Method Summary collapse

Constructor Details

#initialize(height) ⇒ HeightDecoder

Returns a new instance of HeightDecoder.



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# File 'app/services/riiif/size/imagemagick/height_decoder.rb', line 8

def initialize(height)
  @height = height
end

Instance Method Details

#decode ⇒ String

Returns a resize directive for imagemagick to use.

Returns:

  • (String) —

    a resize directive for imagemagick to use



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# File 'app/services/riiif/size/imagemagick/height_decoder.rb', line 13

def decode
  "x#{@height}"
end