update lcms2 to git 026ba4f

1 files changed, 9 insertions, 8 deletions

diff --git a/src/thirdparty/lcms2/src/cmstypes.c b/src/thirdparty/lcms2/src/cmstypes.c
index ddbd49be9..344a933f5 100644
--- a/src/thirdparty/lcms2/src/cmstypes.c
+++ b/src/thirdparty/lcms2/src/cmstypes.c
@@ -1077,21 +1077,22 @@ void *Type_Curve_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cm
 {

     cmsUInt32Number Count;

     cmsToneCurve* NewGamma;

-    cmsUInt16Number Linear[2] = { 0, 0xffff };

-

-

+    

     *nItems = 0;

     if (!_cmsReadUInt32Number(io, &Count)) return NULL;

 

     switch (Count) {

 

            case 0:   // Linear.

+               {

+                   cmsFloat64Number SingleGamma = 1.0;

 

-               NewGamma = cmsBuildTabulatedToneCurve16(self ->ContextID, 2, Linear);

-               if (!NewGamma) return NULL;

-               *nItems = 1;

-               return NewGamma;

-

+                   NewGamma = cmsBuildParametricToneCurve(self ->ContextID, 1, &SingleGamma);

+                   if (!NewGamma) return NULL;

+                   *nItems = 1;

+                   return NewGamma;

+               }

+              

            case 1:  // Specified as the exponent of gamma function

                {

                    cmsUInt16Number SingleGammaFixed;