Class: ContentfulRails::MarkdownRenderer

Inherits:
Redcarpet::Render::HTML
  • Object
show all
Includes:
ActionView::Context, ActionView::Helpers::TagHelper
Defined in:
lib/contentful_rails/markdown_renderer.rb

Overview

You can subclass this in your application, to add or manipulate specific markup to elements in the markdown.

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ MarkdownRenderer

Returns a new instance of MarkdownRenderer.



9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
# File 'lib/contentful_rails/markdown_renderer.rb', line 9

def initialize(opts)
  @options = opts
  @image_parameters = {
    w: @options[:image_options][:width], #width in px
    h: @options[:image_options][:height], #height in px
    fit: @options[:image_options][:fit], #crop, scale, pad, thumb
    f: @options[:image_options][:focus], #top, right, bottom, left, top_right, top_left, bottom_right, bottom_left, face
    fm: @options[:image_options][:format], #jpg, png
    bg: @options[:image_options][:background_colour], #no idea what the options are, but 'transparent' works for pngs
    r: @options[:image_options][:corner_radius], #corner radius in px
    q: @options[:image_options][:quality]
  }.delete_if {|k,v| v.nil?}
  super
end

Instance Method Details

#image(link, title, alt_text) ⇒ Object 



24
25
26
27
28
29
 
# File 'lib/contentful_rails/markdown_renderer.rb', line 24

def image(link, title, alt_text)
  # add the querystring to the image
  link += "?#{@image_parameters.to_query}"
  # return a content tag
  content_tag(:img, nil, src: link.to_s, alt: alt_text, title: title)
end