support camera dng LEICA M MONOCHROM (Typ 246)

Patch by @heckflosse https://github.com/Beep6581/RawTherapee/issues/4785#issuecomment-419713993
2018-09-10 02:33:20 -07:00
parent fb17b6be9f
commit 8e678c285a
1 changed files with 1 additions and 1 deletions
--- a/rtengine/dcraw.cc
+++ b/rtengine/dcraw.cc
@@ -1136,7 +1136,7 @@ void CLASS lossless_dng_load_raw()
      fseek (ifp, get4(), SEEK_SET);
    if (!ljpeg_start (&jh, 0)) break;
    jwide = jh.wide;
-    if (filters) jwide *= jh.clrs;
+    if (filters || (colors == 1 && jh.clrs > 1)) jwide *= jh.clrs;
    jwide /= MIN (is_raw, tiff_samples);
    switch (jh.algo) {
      case 0xc1: