And CFF2 allows that you can re-use a blended result as a parameter of another blend operator, which introduces non-linear interpolation that TT’s GVAR cannot support.Read Roberts said:Unfortunately, blending a subroutine index is not forbidden in the 1.8.1 CFF2 CharStrings chapter. The intent is in fact to allow blending of only coordinate values. This follows from a higher level principle that we want to always be able to convert a set of outlines between TrueType and CFF2 CharStrings, and hence do not want to allow operations in CFF2 Charstrings that cannot be supported in TrueType. There was a sentence which stated this in most versions of the 1.8.1 working draft, but it got lost by accident before the final version. At this point, it will have to wait for the 1.8.2 update, but this restriction will go back into the spec.
Identify stems from a specific input glyph (outlines, in particular), return a list containing information including:John Hudson said:Identify just in terms of glyph topography, or identify in terms of being able to label the stems?