fix load ico

1 month ago · ba2da69a67
parent 111bef14e1
commit ba2da69a67
1 changed files with 3 additions and 0 deletions
--- a/lib/load_ico.rb
+++ b/lib/load_ico.rb
@ -2,6 +2,7 @@

 module LoadIco
  BI_RGB = 0
+  PNG_SIGNATURE = "\x89PNG".b

  module_function

@ -42,6 +43,8 @@ module LoadIco

    raise ArgumentError, 'Unable to load' unless image_data_bytes && image_data_bytes.bytesize == best_entry[:size]

+    return Vips::Image.new_from_buffer(image_data_bytes, '') if image_data_bytes.start_with?(PNG_SIGNATURE)
+
    image = load_image_entry(image_data_bytes, best_entry[:width], best_entry[:height])

    raise ArgumentError, 'Unable to load' unless image