From 4834157658e00366c2cb909fe645a0b0fb5c2a5c Mon Sep 17 00:00:00 2001 From: Andrew Murray Date: Tue, 20 Aug 2019 20:42:58 +1000 Subject: [PATCH] Documented OS support for saved files [ci skip] --- src/PIL/IcoImagePlugin.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/PIL/IcoImagePlugin.py b/src/PIL/IcoImagePlugin.py index c4c72e78a..fc728d6fb 100644 --- a/src/PIL/IcoImagePlugin.py +++ b/src/PIL/IcoImagePlugin.py @@ -263,6 +263,9 @@ class IcoImageFile(ImageFile.ImageFile): Handles classic, XP and Vista icon formats. + When saving, PNG compression is used. Support for this was only added in + Windows Vista. + This plugin is a refactored version of Win32IconImagePlugin by Bryan Davis . https://code.google.com/archive/p/casadebender/wikis/Win32IconImagePlugin.wiki