Progressbar option not working

[hpurmann]

First of all: Thanks for the tool. I'm currently writing a blog post where I need a simple screencast gif.

I just wanted to try out the progressbar option but when executing, I get the following error:

$ screengif --progressbar --input screencast.mov --output screencast.gif
Processing image: 1/27/usr/local/lib/ruby/gems/2.2.0/gems/screengif-0.0.3/lib/screengif/draw_progressbar.rb:29:in `draw': unable to read font `(null)' @ error/annotate.c/RenderFreetype/1153: `(null)' (Magick::ImageMagickError)
        from /usr/local/lib/ruby/gems/2.2.0/gems/screengif-0.0.3/lib/screengif/draw_progressbar.rb:29:in `draw'
        from /usr/local/lib/ruby/gems/2.2.0/gems/screengif-0.0.3/lib/screengif.rb:98:in `block in start'
        from (eval):2:in `each'
        from (eval):2:in `each'
        from /usr/local/lib/ruby/gems/2.2.0/gems/screengif-0.0.3/lib/screengif.rb:83:in `each_with_index'
        from /usr/local/lib/ruby/gems/2.2.0/gems/screengif-0.0.3/lib/screengif.rb:83:in `start'
        from /usr/local/lib/ruby/gems/2.2.0/gems/screengif-0.0.3/bin/screengif:10:in `<top (required)>'
        from /usr/local/bin/screengif:23:in `load'
        from /usr/local/bin/screengif:23:in `<main>'

Is there something missing in installation? Running on a MacOS 10.10.3 with up-to-date ffmpeg-2.6.3, imagemagick-6.9.1-4 and gifsicle-1.87.

[dergachev]

@hpurmann - thanks very much for trying out screengif.

Unfortunately I don't have enough hard drive space to install ffmpeg and friends on my laptop directly, so I can't easily test this issue. :(

I did just check it within the Docker, and everything works:

I did Google the error message, and found a thread suggesting to run:

brew install gs

http://stackoverflow.com/questions/28043993/rmagick-unable-to-read-font

[hpurmann]

Thanks! Additional to brew install gs I needed to install the fonts on my system. Now it works. I've created a PR to include the section in the Readme.