Class: Jekyll::JekyllMinimagick::GeneratedImageFile

Inherits:
StaticFile
  • Object
show all
Defined in:
lib/jekyll-minimagick.rb

Instance Method Summary collapse

Constructor Details

#initialize(site, base, dir, name, preset) ⇒ GeneratedImageFile

Initialize a new GeneratedImage. site is the Site base is the String path to the dir is the String path between and the file name is the String filename of the file preset is the Preset hash from the config.

Returns 



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# File 'lib/jekyll-minimagick.rb', line 15

def initialize(site, base, dir, name, preset)
  @site = site
  @base = base
  @dir  = dir
  @name = name
  @dst_dir = preset.delete('destination')
  @src_dir = preset.delete('source')
  @commands = preset
end

Instance Method Details

#path ⇒ Object

Obtains source file path by substituting the preset's source directory for the destination directory.

Returns source file path.



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# File 'lib/jekyll-minimagick.rb', line 29

def path
  File.join(@base, @dir.sub(@dst_dir, @src_dir), @name)
end

#write(dest) ⇒ Object

Use MiniMagick to create a derivative image at the destination specified (if the original is modified). dest is the String path to the destination dir

Returns false if the file was not modified since last time (no-op).



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# File 'lib/jekyll-minimagick.rb', line 38

def write(dest)
  dest_path = destination(dest)

  return false if File.exist? dest_path and !modified?

  self.class.mtimes[path] = mtime

  FileUtils.mkdir_p(File.dirname(dest_path))
  image = ::MiniMagick::Image.open(path)
  @commands.each_pair do |command, arg|
    image.send command, arg
  end
  image.write dest_path

  true
end