From a4866ffc213f27618ffcf9718f1a18007bf779a3 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Mon, 15 Mar 2021 15:11:56 +0100
Subject: [PATCH] Partial fix for issue #188.

This fixes the inconsistency created by the possibility to change img->w() and img->h()
values. The fix is to use img->data_w() and img->data_h() that have constant values.
---
 src/Fl_Shared_Image.cxx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Fl_Shared_Image.cxx b/src/Fl_Shared_Image.cxx
index 832d8a3a0..5e2399f84 100644
--- a/src/Fl_Shared_Image.cxx
+++ b/src/Fl_Shared_Image.cxx
@@ -101,10 +101,10 @@ Fl_Shared_Image::compare(Fl_Shared_Image **i0,          // I - First image
   int i = strcmp((*i0)->name(), (*i1)->name());
 
   if (i) return i;
-  else if (((*i0)->w() == 0 && (*i1)->original_) ||
-           ((*i1)->w() == 0 && (*i0)->original_)) return 0;
-  else if ((*i0)->w() != (*i1)->w()) return (*i0)->w() - (*i1)->w();
-  else return (*i0)->h() - (*i1)->h();
+  else if (((*i0)->data_w() == 0 && (*i1)->original_) ||
+           ((*i1)->data_w() == 0 && (*i0)->original_)) return 0;
+  else if ((*i0)->data_w() != (*i1)->data_w()) return (*i0)->data_w() - (*i1)->data_w();
+  else return (*i0)->data_h() - (*i1)->data_h();
 }