Module: PDFThumbnail::Filters
- Includes:
- PDFThumbnail
- Defined in:
- lib/jekyll-pdf-thumbnail.rb
Constant Summary
Constants included from PDFThumbnail
Instance Method Summary collapse
Methods included from PDFThumbnail
#_dest_filename, #_get_cache_dir, #_must_create?, #generate_thumbnail
Instance Method Details
#pdf_thumbnail(pdf, args = nil) ⇒ Object
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# File 'lib/jekyll-pdf-thumbnail.rb', line 61 def pdf_thumbnail(pdf, args=nil) # Returns the thumbnail path for a given pdf file. # Example: # >> pdf_thumbnail "/path/to/sample_1.pdf" # => /assets/pdf_thumbnails/a35383ccca791ba6aa67ab3acde65287.png # # Or as a liquid filter: # {% assign my_pdf = 'sample_2.pdf' %} # {{ my_pdf | pdf_preview }} # # Arguments: # pdf: (String) # args: a dict that can contain "resize" and "quality" if args == nil args = {"resize"=> "50%", "quality": '80%'} end resize = args.fetch("resize", "50%") quality = args.fetch("quality", "80%") site = @context.registers[:site] full_cache_dir = _get_cache_dir(site) full_pdf_path = File.join(site.source, pdf) thumbnail = _dest_filename(full_pdf_path, resize, quality) rel_thumb_path = File.join(CACHE_DIR, thumbnail) full_thumb_path = File.join(_get_cache_dir(site), thumbnail) if _must_create?(full_pdf_path, full_thumb_path) puts "Creating thumbnail of' #{pdf}' to '#{rel_thumb_path}'" generate_thumbnail(full_pdf_path, full_thumb_path, resize, quality) # site - The Site. # base - The String path to the <source>. # dir - The String path between <source> and the file. # name - The String filename of the file. site.static_files << Jekyll::StaticFile.new(site, site.source, CACHE_DIR, thumbnail) end rel_thumb_path end |