Add an extra check for floating-point formats in two helper functions

Should fix #461
mm2 · Oct 16, 2024 · 47a261e · 47a261e
1 parent 5c54a6d
commit 47a261e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/cmspack.c b/src/cmspack.c
@@ -4033,6 +4033,9 @@ cmsUInt32Number CMSEXPORT cmsFormatterForColorspaceOfProfile(cmsHPROFILE hProfil
     // Unsupported color space?
     if (nOutputChans < 0) return 0;
 
+    // Fix float spaces
+    nBytes &= 7;
+
     // Create a fake formatter for result
     return FLOAT_SH(Float) | COLORSPACE_SH(ColorSpaceBits) | BYTES_SH(nBytes) | CHANNELS_SH(nOutputChans);
 }
@@ -4050,6 +4053,9 @@ cmsUInt32Number CMSEXPORT cmsFormatterForPCSOfProfile(cmsHPROFILE hProfile, cmsU
     // Unsupported color space?
     if (nOutputChans < 0) return 0;
 
+    // Fix float spaces
+    nBytes &= 7;
+
     // Create a fake formatter for result
     return FLOAT_SH(Float) | COLORSPACE_SH(ColorSpaceBits) | BYTES_SH(nBytes) | CHANNELS_SH(nOutputChans);
 }