Looks like the problems is in GfxImageColorMap::GfxImageColorMap around line 3420 where we build the byte_lookup table. When doing so we severly overflow and probably don't build a useful table.
Looks like the problems is in GfxImageColorMa p::GfxImageColo rMap around line 3420 where we build the byte_lookup table. When doing so we severly overflow and probably don't build a useful table.