int babl_space_is_cmyk (const Babl *space);
-/* values below this are stored premultiplied with this value,
- * it can also be used as a generic alpha zero epsilon in GEGL
- *
+/* values below this are stored associated with this value, it should also be
+ * used as a generic alpha zero epsilon in GEGL to keep the threshold effects
+ * on one known value.
*/
#define BABL_ALPHA_FLOOR (1/65536.0)
#define BABL_ALPHA_FLOOR_F (1/65536.0f)
{
long i = 0;
long remainder;
- // XXX : not ported to color preserving premul
+ // XXX : not ported to zero preserving alpha transforms
if (((uintptr_t)src % 16) + ((uintptr_t)dst % 16) == 0)
{
const long n = samples;