diff options
Diffstat (limited to 'src/cmsps2.c')
| -rw-r--r-- | src/cmsps2.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/cmsps2.c b/src/cmsps2.c index b41f58f..250e047 100644 --- a/src/cmsps2.c +++ b/src/cmsps2.c @@ -1,7 +1,7 @@ //--------------------------------------------------------------------------------- // // Little Color Management System -// Copyright (c) 1998-2008 Marti Maria Saguer +// Copyright (c) 1998-2011 Marti Maria Saguer // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the "Software"), @@ -469,6 +469,7 @@ void Emit1Gamma(cmsIOHANDLER* m, cmsToneCurve* Table) cmsUInt32Number i; cmsFloat64Number gamma; + if (Table == NULL) return; // Error if (Table ->nEntries <= 0) return; // Empty table @@ -548,6 +549,8 @@ void EmitNGamma(cmsIOHANDLER* m, int n, cmsToneCurve* g[]) for( i=0; i < n; i++ ) { + if (g[i] == NULL) return; // Error + if (i > 0 && GammaTableEquals(g[i-1]->Table16, g[i]->Table16, g[i]->nEntries)) { _cmsIOPrintf(m, "dup "); @@ -836,6 +839,7 @@ cmsToneCurve* ExtractGray2Y(cmsContext ContextID, cmsHPROFILE hProfile, int Inte cmsHTRANSFORM xform = cmsCreateTransformTHR(ContextID, hProfile, TYPE_GRAY_8, hXYZ, TYPE_XYZ_DBL, Intent, cmsFLAGS_NOOPTIMIZE); int i; + if (Out != NULL) { for (i=0; i < 256; i++) { cmsUInt8Number Gray = (cmsUInt8Number) i; @@ -845,6 +849,7 @@ cmsToneCurve* ExtractGray2Y(cmsContext ContextID, cmsHPROFILE hProfile, int Inte Out ->Table16[i] =_cmsQuickSaturateWord(XYZ.Y * 65535.0); } + } cmsDeleteTransform(xform); cmsCloseProfile(hXYZ); |