commit 07d30cbe41892571f129e25965a36450e032d32f
author Cristy <urban-warrior@imagemagick.org> Thu Nov 12 01:36:26 2020 +0000
committer Cristy <urban-warrior@imagemagick.org> Thu Nov 12 01:36:26 2020 +0000
tree 210368a03f697b33505f3f354a9c69374df22e03
parent 92b33f01098e0432555baec6a034e67836de7796

https://github.com/ImageMagick/ImageMagick/discussions/2817

coders/dpx.c

diff --git a/coders/dpx.c b/coders/dpx.c
index 9bac496..a49860a 100644
--- a/coders/dpx.c
+++ b/coders/dpx.c
@@ -46,6 +46,7 @@
 #include "MagickCore/blob-private.h"
 #include "MagickCore/cache.h"
 #include "MagickCore/colorspace.h"
+#include "MagickCore/colorspace-private.h"
 #include "MagickCore/exception.h"
 #include "MagickCore/exception-private.h"
 #include "MagickCore/geometry.h"
@@ -1530,7 +1531,7 @@
           (vertical_factor != 2) && (vertical_factor != 4))
         ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor");
     }
-  if ((image->colorspace == YCbCrColorspace) &&
+  if ((IsYCbCrCompatibleColorspace(image->colorspace) != MagickFalse) &&
       ((horizontal_factor == 2) || (vertical_factor == 2)))
     if ((image->columns % 2) != 0)
       image->columns++;
@@ -1990,7 +1991,7 @@
   quantum_type=RGBQuantum;
   if (image->alpha_trait != UndefinedPixelTrait)
     quantum_type=RGBAQuantum;
-  if (image->colorspace == YCbCrColorspace)
+  if (IsYCbCrCompatibleColorspace(image->colorspace) != MagickFalse)
     {
       quantum_type=CbYCrQuantum;
       if (image->alpha_trait != UndefinedPixelTrait)