From 031a30a4b5d4d6b9ff8caee618e515ba8766c4af Mon Sep 17 00:00:00 2001
From: Lauri Kasanen <cand@gmx.com>
Date: Sat, 6 Sep 2014 13:22:28 +0000
Subject: Bilinear div-by-zero fix

Probably temporary if this will be replaced with Roman's int version, but
better have it anyway.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10281 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Image.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Fl_Image.cxx b/src/Fl_Image.cxx
index 08e539288..71e117799 100644
--- a/src/Fl_Image.cxx
+++ b/src/Fl_Image.cxx
@@ -338,7 +338,7 @@ Fl_Image *Fl_RGB_Image::copy(int W, int H) {
                    downright[i] * rightf) * downf;
         }
 
-        if (d() == 4) {
+        if (d() == 4 && new_ptr[3]) {
           for (i = 0; i < 3; i++) {
             new_ptr[i] /= new_ptr[3] / 255.0f;
           }
-- 
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