Using Wavelet/Residual with contrast set to != 0 crashes on completely black image, fixes #4399

2018-02-15 13:42:10 +01:00 · 2018-02-15 13:42:10 +01:00 · 20fcffae94
commit 20fcffae94
parent 3b956996d7
1 changed files with 5 additions and 0 deletions
--- a/rtengine/ipwavelet.cc
+++ b/rtengine/ipwavelet.cc
@ -1739,6 +1739,11 @@ void ImProcFunctions::WaveletcontAllL(LabImage * labco, float ** varhue, float *

    }

+    if(max0 <= 0.0) {
+        // completely black image => nothing to do
+        return;
+    }
+
    //      printf("MAXmax0=%f MINmin0=%f\n",max0,min0);

 //tone mapping