Add support to embed script for making the terminal font 2x bigger

app/assets/stylesheets/_terminal-font.sass

@@ -1,11 +1,7 @@
 =terminal-font
-  // font metrics
-
   font-family: 'Bitstream Vera Sans Mono', 'Courier New', monospace
-  font-size: 12px
-
-  // line metrics
 
+  font-size: 12px
   line-height: 16px
 
   .line
@@ -13,3 +9,11 @@
       padding: 0
       display: inline-block
       height: 16px
+
+=terminal-font-big
+  font-size: 24px
+  line-height: 32px
+
+  .line
+    span
+      height: 32px

app/assets/stylesheets/player/player.css.sass

@@ -27,6 +27,16 @@ $color5: #edc951
   .font-sample, .hud
     +terminal-font
 
+  &.big-font
+    .font-sample, .hud
+      +terminal-font-big
+
+    .hud
+      height: 32px
+      bottom: 6px
+      left: 6px
+      right: 6px
+
   .loading
     +player-overlay
     background-image: url(image-path("loader.gif"))
@@ -64,9 +74,9 @@ $color5: #edc951
     background-color: #eee
     opacity: 0
     position: absolute
-    left: 2px
-    right: 2px
-    bottom: 2px
+    left: 3px
+    right: 3px
+    bottom: 3px
     height: 16px
     overflow: hidden
     color: black

app/assets/stylesheets/terminal.css.sass

@@ -29,3 +29,9 @@ pre.terminal
 
   .fg8, .fg9, .fg10, .fg11, .fg12, .fg13, .fg14, .fg15
     font-weight: bold
+
+.big-font
+  pre.terminal
+    +terminal-font-big
+
+    padding: 6px

app/helpers/asciicasts_helper.rb

@@ -21,7 +21,8 @@ module AsciicastsHelper
       container_width: params[:container_width],
       renderer_class: renderer_class,
       auto_play: options.key?(:auto_play) ? !!options[:auto_play] : false,
-      hud: options.key?(:hud) ? !!options[:hud] : true
+      hud: options.key?(:hud) ? !!options[:hud] : true,
+      size: params[:size] || 'small'
     }
   end
 

app/views/asciicasts/_player.html.slim

@@ -1,4 +1,4 @@
-.player
+.player class="#{size}-font"
 
 javascript:
   $(function() {

app/views/asciicasts/show.js.erb

@@ -30,7 +30,11 @@
     container.style.overflow = 'hidden';
     container.style.padding = '0';
     insertAfter(scriptTag, container);
-    var containerWidth = container.offsetWidth;
-    container.innerHTML = '<iframe src="http://<%= request.host_with_port %>/a/<%= @asciicast.id %>/raw?container_width=' + containerWidth + '" name="asciicast-iframe-<%= @asciicast.id %>" id="asciicast-iframe-<%= @asciicast.id %>" width="600" height="300" scrolling="no" marginheight="0" marginwidth="0" frameborder="0" style="display: block; float: none; visibility: hidden;" onload="this.style.visibility=\'visible\';"></iframe>';
+    var params = 'container_width=' + container.offsetWidth;
+    var size = scriptTag.getAttribute('data-size');
+    if (size) {
+      params += '&size=' + size;
+    }
+    container.innerHTML = '<iframe src="http://<%= request.host_with_port %>/a/<%= @asciicast.id %>/raw?' + params + '" name="asciicast-iframe-<%= @asciicast.id %>" id="asciicast-iframe-<%= @asciicast.id %>" width="300" height="300" scrolling="no" marginheight="0" marginwidth="0" frameborder="0" style="display: block; float: none; visibility: hidden;" onload="this.style.visibility=\'visible\';"></iframe>';
   }
 })();