Class: JekyllRecker::Generators::ImageResize

Inherits:
Jekyll::Generator
  • Object
show all
Includes:
Logging
Defined in:
lib/jekyll_recker/generators.rb

Overview

Image Resize Generator

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

included, #info, #logger

Instance Attribute Details

#site ⇒ Object (readonly)

Returns the value of attribute site.



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# File 'lib/jekyll_recker/generators.rb', line 71

def site
  @site
end

Instance Method Details

#generate(site) ⇒ Object 



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# File 'lib/jekyll_recker/generators.rb', line 73

def generate(site)
  @site = Site.new(site)
  if @site.production? && @site.recker_config.fetch('production_skip_images', true)
    info 'skipping image resizing (production)'
  else
    info 'checking images sizes'
    resizeable_images.each do |f, d|
      info "resizing #{f} to fit #{d}"
      image = MiniMagick::Image.new(f)
      image.resize d
    end
  end
end

#images_without_graphs ⇒ Object 



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# File 'lib/jekyll_recker/generators.rb', line 91

def images_without_graphs
  site.images.reject { |i| i.include?('/graphs/') }
end

#resizeable_images ⇒ Object 



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# File 'lib/jekyll_recker/generators.rb', line 95

def resizeable_images
  with_sizes = images_without_graphs.map { |f| [f, FastImage.size(f)].flatten }
  with_sizes.select! { |f| too_big?(f[1], f[2]) }
  with_sizes.map do |f, w, h|
    dimensions = if w > h
                   '800x600'
                 else
                   '600x800'
                 end
    [f, dimensions]
  end
end

#too_big?(width, height) ⇒ Boolean 



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# File 'lib/jekyll_recker/generators.rb', line 87

def too_big?(width, height)
  width > 800 || height > 800
end