app/uploaders/asset_uploader.rb in geoblacklight_admin-0.4.1 vs app/uploaders/asset_uploader.rb in geoblacklight_admin-0.4.2

@@ -1,31 +1,26 @@
 class AssetUploader < Kithe::AssetUploader
-  # gives us md5, sha1, sha512
   plugin :kithe_checksum_signatures
 
-  THUMB_WIDTHS = {
-    mini: 54,
-    large: 525,
-    standard: 208
-  }
+  THUMB_WIDTHS = Settings.GBL_ADMIN_THUMBNAIL_WIDTHS
 
-  # define thumb derivatives for TIFF, PDF, and other image input: :thumb_mini, :thumb_mini_2X, etc.
+  # Define thumb derivatives for image input: :thumb_mini, :thumb_mini_2X, etc.
   THUMB_WIDTHS.each_pair do |key, width|
     # Single-width thumbnails
     Attacher.define_derivative("thumb_#{key}", content_type: "image") do |original_file|
-      Kithe::VipsCliImageToJpeg.new(max_width: width, thumbnail_mode: true).call(original_file)
+      Kithe::VipsCliImageToPng.new(max_width: width, thumbnail_mode: true).call(original_file)
     end
 
     # Double-width thumbnails
     Attacher.define_derivative("thumb_#{key}_2X", content_type: "image") do |original_file|
-      Kithe::VipsCliImageToJpeg.new(max_width: width * 2, thumbnail_mode: true).call(original_file)
+      Kithe::VipsCliImageToPng.new(max_width: width * 2, thumbnail_mode: true).call(original_file)
     end
   end
 
-  # and a full size jpg
+  # And capture a full size jpg
   Attacher.define_derivative("download_full", content_type: "image") do |original_file, attacher:|
     # No need to do this if our original is a JPG
     unless attacher.file.content_type == "image/jpeg"
-      Kithe::VipsCliImageToJpeg.new.call(original_file)
+      Kithe::VipsCliImageToPng.new.call(original_file)
     end
   end
 end