Artifacts when using highlight compression with a threshold of 0, Issue 2621 #14 and #15

2015-01-04 16:28:12 +01:00
parent 143230108b
commit 6d30c58758
3 changed files with 3 additions and 29 deletions
--- a/rtengine/simpleprocess.cc
+++ b/rtengine/simpleprocess.cc
@@ -589,7 +589,7 @@ IImage16* processImage (ProcessingJob* pjob, int& errorCode, ProgressListener* p
    }
    // RGB processing

-    LUTf curve1 (65536,0);
+    LUTf curve1 (65536,LUT_CLIP_BELOW); // used LUT_CLIP_BELOW, because we want to have a baseline of 2^expcomp in this curve. If we don't clip the lut we get wrong values, see Issue 2621 #14 for details
    LUTf curve2 (65536,0);
 	LUTf curve (65536,0);
 	LUTf satcurve (65536,0);