optimize pdf images

2026-05-17 19:46:28 +03:00
parent abd498dd33
commit 7fe56941fd
2 changed files with 15 additions and 2 deletions
@@ -462,7 +462,14 @@ module Submissions
            scale = [(area['w'] * width) / image.width,
                     (area['h'] * height) / image.height].min

-            io = StringIO.new(image.resize([scale * 4, 1].select(&:positive?).min).write_to_buffer('.png'))
+            resized_image = image.resize([scale * 4, 1].select(&:positive?).min)
+
+            io =
+              if field_type == 'image' && !resized_image.has_alpha?
+                StringIO.new(resized_image.colourspace(:srgb).write_to_buffer('.jpg', strip: true))
+              else
+                StringIO.new(resized_image.write_to_buffer('.png'))
+              end

            canvas.image(
              io,