Class: Pageflow::PaperclipProcessors::Webp Private

Inherits:
Paperclip::Processor
  • Object
show all
Defined in:
lib/pageflow/paperclip_processors/webp.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Constant Summary collapse

ANIMATED_FORMATS =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future. 

%w[.gif].freeze

Instance Method Summary collapse

Constructor Details

#initialize(file, options = {}, attachment = nil) ⇒ Webp

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Webp.



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# File 'lib/pageflow/paperclip_processors/webp.rb', line 9

def initialize(file, options = {}, attachment = nil)
  super

  geometry = options[:geometry].to_s
  @should_crop = geometry[-1, 1] == '#'

  @target_geometry = Paperclip::Geometry.parse(geometry)
  @whiny = options.fetch(:whiny, true)

  @current_format = File.extname(file.path)
  @basename = File.basename(@file.path, @current_format)
end

Instance Method Details

#make ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/pageflow/paperclip_processors/webp.rb', line 22

def make
  source = @file
  filename = [@basename, '.webp'].join
  destination = Paperclip::TempfileFactory.new.generate(filename)

  begin
    thumbnail = Vips::Image.thumbnail(
      ANIMATED_FORMATS.include?(@current_format) ? "#{source.path}[n=-1]" : source.path,
      width,
      size: @should_crop ? :both : :down,
      height: height,
      crop: crop
    )
    thumbnail.webpsave(destination.path)
  rescue Vips::Error => e
    if @whiny
      message = "There was an error processing the thumbnail for #{@basename}:\n" + e.message
      raise Paperclip::Error, message
    end
  end

  destination
end