Custom colors, closing #1

lib/squib/constants.rb

@@ -46,7 +46,8 @@ module Squib
     CONFIG_DEFAULTS = { 
       'dpi' => 300,
       'progress_bar' => false,
-      'hint' => nil
+      'hint' => nil,
+      'custom_colors' => {}
     }
 
 end

lib/squib/deck.rb

@@ -52,6 +52,7 @@ module Squib
       @dpi = dpi
       @font = Squib::SYSTEM_DEFAULTS[:default_font]
       @cards = []
+      @custom_colors = {}
       @progress_bar = Squib::Progress.new(false)
       cards.times{ @cards << Squib::Card.new(self, width, height) }
       load_config(config)
@@ -88,6 +89,7 @@ module Squib
         @dpi = config['dpi'].to_i
         @text_hint = config['text_hint']
         @progress_bar.enabled = config['progress_bars']
+        @custom_colors = config['custom_colors']
       end
     end
 

lib/squib/input_helpers.rb

@@ -97,11 +97,11 @@ module Squib
     # :nodoc:
     # @api private
     def colorify(opts, nillable=false)
-      if nillable # for optional color arguments like text hints
-        opts[:color] = Cairo::Color.parse(opts[:color]) unless opts[:color].nil?
-      else
-        opts[:color] = Cairo::Color.parse(opts[:color])
+      return opts if nillable && opts[:color].nil?
+      if @custom_colors.key? opts[:color].to_s
+        opts[:color] = @custom_colors[opts[:color].to_s]
       end
+      opts[:color] = Cairo::Color.parse(opts[:color])
       opts
     end
     module_function :colorify

lib/squib/project_template/config.yml

@@ -10,3 +10,7 @@
 
 # Show progress bars on the command line for potentially long-running operations
 #progress_bars: true
+
+#Enable some custom colors that can be used in any color
+#custom_colors:
+#  foo: '#abc'