1.5.5

README.md

@@ -35,15 +35,11 @@ For more advanced templates, see the [**Templates**](#templates) section below.
 
 ### 3. Configure the plugin
 
-You **must** have a `responsive_image` block in your `_config.yml` for this plugin to work. At a minimum, your `responsive_image` configuration should have a template path and a list of sizes.
+You **must** have a `responsive_image` block in your `_config.yml` for this plugin to work. The minimum required configuration is a `template` path:
 
 ```yaml
 responsive_image:
   template: _includes/responsive-image.html
-  sizes:
-    - width: 320
-    - width: 480
-    - width: 800
 ```
 
 For a list of all the available configuration options, see the [**All configuration options**](#all-configuration-options) section below.

features/test-site/_includes/responsive-image.html

@@ -1,3 +1 @@
-{% assign largest = resized | sort: 'width' | last %}
-
 <img alt="{{ alt }}" src="/{{ original.path }}" title="{{ title }}" srcset="{% for i in resized %}/{{ i.path }} {{ i.width }}w,{% endfor %}/{{ original.path }} {{ original.width }}w">

lib/jekyll-responsive-image/image_processor.rb

@@ -8,11 +8,12 @@ module Jekyll
 
         Jekyll.logger.warn "Invalid image path specified: #{image_path.inspect}" unless File.file?(absolute_image_path)
 
-        resize_handler = ResizeHandler.new(absolute_image_path, config)
+        resize_handler = ResizeHandler.new
+        img = Magick::Image::read(absolute_image_path).first
 
         {
-          original: image_hash(config, image_path, resize_handler.original_image.columns, resize_handler.original_image.rows),
-          resized: resize_handler.resize_image,
+          original: image_hash(config, image_path, img.columns, img.rows),
+          resized: resize_handler.resize_image(img, config),
         }
       end
 

lib/jekyll-responsive-image/renderer.rb

@@ -25,11 +25,7 @@ module Jekyll
           partial = File.read(image_template)
           template = Liquid::Template.parse(partial)
 
-          info = {
-            registers: { site: @site }
-          }
-
-          result = template.render!(@attributes.merge(@site.site_payload), info)
+          result = template.render!(@attributes.merge(@site.site_payload))
 
           RenderCache.set(cache_key, result)
         end

lib/jekyll-responsive-image/resize_handler.rb

@@ -3,39 +3,26 @@ module Jekyll
     class ResizeHandler
       include ResponsiveImage::Utils
 
-      attr_reader :original_image
+      def resize_image(img, config)
+        img.auto_orient! if config['auto_rotate']
 
-      def initialize(original_image_absolute_path, config)
-        @config = config
-
-        @original_image_absolute_path = original_image_absolute_path
-
-        if @config['auto_rotate']
-          load_full_image
-          @original_image.auto_orient!
-        else
-          load_image_properties_only
-        end
-      end
-
-      def resize_image
         resized = []
 
-        @config['sizes'].each do |size|
+        config['sizes'].each do |size|
           width = size['width']
-          ratio = width.to_f / @original_image.columns.to_f
-          height = (@original_image.rows.to_f * ratio).round
+          ratio = width.to_f / img.columns.to_f
+          height = (img.rows.to_f * ratio).round
 
-          next unless needs_resizing?(width)
+          next unless needs_resizing?(img, width)
 
-          image_path = @original_image.filename.force_encoding(Encoding::UTF_8)
-          filepath = format_output_path(@config['output_path_format'], @config, image_path, width, height)
-          resized.push(image_hash(@config, filepath, width, height))
+          image_path = img.filename.force_encoding(Encoding::UTF_8)
+          filepath = format_output_path(config['output_path_format'], config, image_path, width, height)
+          resized.push(image_hash(config, filepath, width, height))
 
-          site_source_filepath = File.expand_path(filepath, @config[:site_source])
-          site_dest_filepath = File.expand_path(filepath, @config[:site_dest])
+          site_source_filepath = File.expand_path(filepath, config[:site_source])
+          site_dest_filepath = File.expand_path(filepath, config[:site_dest])
 
-          if @config['save_to_source']
+          if config['save_to_source']
             target_filepath = site_source_filepath
           else
             target_filepath = site_dest_filepath
@@ -49,22 +36,16 @@ module Jekyll
 
           Jekyll.logger.info "Generating #{target_filepath}"
 
-          load_full_image unless @original_image_pixels_loaded
-
-          if @config['strip']
-            @original_image.strip!
+          if config['strip']
+            img.strip!
           end
-
-          i = @original_image.scale(ratio)
-
-          quality = size['quality'] || @config['default_quality']
-
+          i = img.scale(ratio)
           i.write(target_filepath) do |f|
             f.interlace = i.interlace
-            f.quality = quality
+            f.quality = size['quality'] || config['default_quality']
           end
 
-          if @config['save_to_source']
+          if config['save_to_source']
             # Ensure the generated file is copied to the _site directory
             Jekyll.logger.info "Copying resized image to #{site_dest_filepath}"
             FileUtils.copy_file(site_source_filepath, site_dest_filepath)
@@ -73,7 +54,7 @@ module Jekyll
           i.destroy!
         end
 
-        @original_image.destroy!
+        img.destroy!
 
         resized
       end
@@ -84,18 +65,8 @@ module Jekyll
         Pathname.new(format % params).cleanpath.to_s
       end
 
-      def needs_resizing?(width)
-        @original_image.columns > width
-      end
-
-      def load_full_image
-        @original_image = Magick::Image::read(@original_image_absolute_path).first
-        @original_image_pixels_loaded = true
-      end
-
-      def load_image_properties_only
-        @original_image = Magick::Image::ping(@original_image_absolute_path).first
-        @original_image_pixels_loaded = false
+      def needs_resizing?(img, width)
+        img.columns > width
       end
 
       def ensure_output_dir_exists!(path)

lib/jekyll-responsive-image/version.rb

@@ -1,5 +1,5 @@
 module Jekyll
   module ResponsiveImage
-    VERSION = '1.6.0'.freeze
+    VERSION = '1.5.5'.freeze
   end
 end