gistfile1.txt

# To change this template, choose Tools | Templates
# and open the template in the editor.
#require "quick-magick"
#require "rubygems"

require 'mini_magick'
require 'imgkit'
class Converter
  def initialize(input, output = nil)
    @inputfile_html = input
    @outputfile_png = output if output
  end
  
  def convert_file
    if(@inputfile_html.match(/\S+\.html$/) ) #.html file
      if(@outputfile_pdf.empty? && @outputfile_pdf.is_a?(String))
        if(@outputfile_png.match(/\S+\.png$/))
          #          system(Dir.pwd+"/wkhtmltopdf-amd64", @inputfile_html, @inputfile_html.split(".").first + ".pdf")
          #          image = MiniMagick::Image.open(@inputfile_html.split(".").first+".pdf")
          #          image.format "png"
          #          image.write(@outputfile_png)

          #varianta2 http://rubydoc.info/gems/imgkit/frames
          kit = IMGKit.new(File.new(@inputfile_html))
          kit.to_img(:png)
          kit.to_file(@outputfile_png)
        else
          p "output must be with .png extension or be unset"
        end
      else
#        system(Dir.pwd+"/wkhtmltopdf-amd64", @inputfile_html, @inputfile_html.split(".").first + ".pdf")
#        image = MiniMagick::Image.open(@inputfile_html.split(".").first+".pdf")
#        image.format "png"
#        image.write(@inputfile_html.split(".").first+".png")
        #varianta2 http://rubydoc.info/gems/imgkit/frames
        kit = IMGKit.new(File.new(@inputfile_html))
        kit.to_img(:png)
        kit.to_file(@inputfile_html.split(".").first+".png")
      end
    else
      p "inputfile must end with .html extension"
    end
  end
end

conv = Converter.new("faktura.html")
conv.convert_file