Class: ImageThumbnails
Constant Summary
Dropsite::DirRenderer::TEMPLATE_EXTENSIONS
Instance Attribute Summary
#assets_dir, #template_path
Instance Method Summary
collapse
inherited, #render, renderers
Instance Method Details
#built_in? ⇒ Boolean
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# File 'lib/dropsite/plugins/image_thumbnails/image_thumbnails.rb', line 24
def built_in?
true
end
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#can_render?(site_dir) ⇒ Boolean
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# File 'lib/dropsite/plugins/image_thumbnails/image_thumbnails.rb', line 2
def can_render?(site_dir)
return false if not thumbnail_generator
!site_dir.files.empty? && site_dir.files.all? {|e| e.file_type == :image}
end
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#thumbnail_generator ⇒ Object
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# File 'lib/dropsite/plugins/image_thumbnails/image_thumbnails.rb', line 28
def thumbnail_generator
return @thumbnail_generator_cache if instance_variables.include?('@thumbnail_generator_cache')
begin
require 'image_science'
return @thumbnail_generator_cache = :image_science
rescue LoadError
end
begin
require 'rmagick'
return @thumbnail_generator_cache = :rmagick
rescue LoadError
end
return @thumbnail_generator_cache = nil
end
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#write_page_assets(site_dir) ⇒ Object
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# File 'lib/dropsite/plugins/image_thumbnails/image_thumbnails.rb', line 7
def write_page_assets(site_dir)
raise 'No thumbnail generator' if not thumbnail_generator
assets_dir = site_dir.page_assets_dir
site_dir.entries.find_all {|e| e.is_a? SiteFile}.each do |e|
src_image = e.abs_path
case thumbnail_generator
when :image_science
write_thumb_with_image_science(src_image, assets_dir)
when :rmagick
write_thumb_with_rmagick(src_image, assets_dir)
else
raise "Unrecognized thumbnail generator: #{thumbnail_generator}"
end
end
end
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