Rewrite image processing engine pretty majorly

1 files changed, 55 insertions, 0 deletions

diff --git a/lib/booru/image_processing/processor.rb b/lib/booru/image_processing/processor.rb
new file mode 100644
index 0000000..e610b3e
--- /dev/null
+++ b/lib/booru/image_processing/processor.rb
@@ -0,0 +1,55 @@
+module Booru
+  module ImageProcessing
+    class Processor
+      PROCESSORS = {
+          'image/png' => Booru::ImageProcessing::PngProcessor,
+          'image/jpeg' => Booru::ImageProcessing::JpegProcessor,
+          'image/gif' => Booru::ImageProcessing::GifProcessor
+      }
+
+      attr_reader :rasterized
+
+      def initialize(original_path, directory)
+        @original_path = original_path
+        @directory = directory
+        @rasterized = original_path
+      end
+
+      # Apply pre-processing to the image. This is anything that should be done to the original
+      # file, before any of the versions are generated. (eg: sanitization)
+      def pre_process
+        # do nothing by default
+      end
+
+      # generate a version of the image with the given dimensions, and
+      # write it out to the given path.
+      def generate_version(dimensions, destination_path)
+        # you should do something here
+        raise NotImplementedError
+      end
+
+      def generate_full_version(destination_path)
+        FileUtils.ln_sf(@original_path, destination_path)
+      end
+
+      # special case processing for eg: WebM to gif conversion.
+      def additional_process
+        # do nothing
+      end
+
+      # Apply post-processing to the image. This is anything that should be done to the original
+      # file, after all of the versions are generated. (eg: lossless compression)
+      def post_process
+        # do nothing by default
+      end
+
+      def is_video?
+        false
+      end
+
+      def self.for_content_type(content_type)
+        PROCESSORS[content_type]
+      end
+    end
+  end
+end