updated top the the new version of attachment_fu plugin to work out some
[selectricity-live] / vendor / plugins / attachment_fu / lib / technoweenie / attachment_fu / processors / core_image_processor.rb
diff --git a/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/processors/core_image_processor.rb b/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/processors/core_image_processor.rb
new file mode 100644 (file)
index 0000000..fc85c31
--- /dev/null
@@ -0,0 +1,59 @@
+require 'red_artisan/core_image/processor'
+
+module Technoweenie # :nodoc:
+  module AttachmentFu # :nodoc:
+    module Processors
+      module CoreImageProcessor
+        def self.included(base)
+          base.send :extend, ClassMethods
+          base.alias_method_chain :process_attachment, :processing
+        end
+        
+        module ClassMethods
+          def with_image(file, &block)
+            block.call OSX::CIImage.from(file)
+          end
+        end
+                
+        protected
+          def process_attachment_with_processing
+            return unless process_attachment_without_processing
+            with_image do |img|
+              self.width  = img.extent.size.width  if respond_to?(:width)
+              self.height = img.extent.size.height if respond_to?(:height)
+              resize_image_or_thumbnail! img
+              callback_with_args :after_resize, img
+            end if image?
+          end
+
+          # Performs the actual resizing operation for a thumbnail
+          def resize_image(img, size)
+            processor = ::RedArtisan::CoreImage::Processor.new(img)
+            size = size.first if size.is_a?(Array) && size.length == 1
+            if size.is_a?(Fixnum) || (size.is_a?(Array) && size.first.is_a?(Fixnum))
+              if size.is_a?(Fixnum)
+                processor.fit(size)
+              else
+                processor.resize(size[0], size[1])
+              end
+            else
+              new_size = [img.extent.size.width, img.extent.size.height] / size.to_s
+              processor.resize(new_size[0], new_size[1])
+            end
+            
+            processor.render do |result|
+              self.width  = result.extent.size.width  if respond_to?(:width)
+              self.height = result.extent.size.height if respond_to?(:height)
+              
+              # Get a new temp_path for the image before saving
+              temp_paths.unshift Tempfile.new(random_tempfile_filename, Technoweenie::AttachmentFu.tempfile_path).path
+              result.save self.temp_path, OSX::NSJPEGFileType
+              self.size = File.size(self.temp_path)
+            end
+          end          
+      end
+    end
+  end
+end
+
+

Benjamin Mako Hill || Want to submit a patch?