Class: Bulldog::Processor::ImageMagick

Inherits:
Base
  • Object
show all
Defined in:
lib/bulldog/processor/image_magick.rb

Class Attribute Summary collapse

Attributes inherited from Base

#attachment, #input_file, #style, #styles

Instance Method Summary collapse

Methods inherited from Base

#name, #output_file, #record, #value

Constructor Details

#initialize(*args) ⇒ ImageMagick

Returns a new instance of ImageMagick.



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# File 'lib/bulldog/processor/image_magick.rb', line 11

def initialize(*args)
  super
end

Class Attribute Details

.convert_path ⇒ Object

Returns the value of attribute convert_path.



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# File 'lib/bulldog/processor/image_magick.rb', line 7

def convert_path
  @convert_path
end

.identify_path ⇒ Object

Returns the value of attribute identify_path.



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# File 'lib/bulldog/processor/image_magick.rb', line 8

def identify_path
  @identify_path
end

Instance Method Details

#dimensions(&block) ⇒ Object

Yield the dimensions of the generated file at this point in the pipeline.

The block is called when `convert' is run after the processor block is evaluated for all styles. If you just need the dimensions of the input file, see Attribute::Photo#dimensions.



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# File 'lib/bulldog/processor/image_magick.rb', line 32

def dimensions(&block)
  operate '-format', '%w %h'
  operate '-identify' do |styles, output|
    width, height = output.gets.split.map{|line| line.to_i}
    block.call(styles, width, height)
  end
end

#process(styles, options = {}) ⇒ Object 



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# File 'lib/bulldog/processor/image_magick.rb', line 15

def process(styles, options={})
  @tree = ArgumentTree.new(styles)
  super or
    return
  run_convert
end