Paint patterns relative to content base transformation.
Merge pull request #3506 from brendandahl/base-transform

Paint patterns relative to content base transformation.
Fixing CFF checksum for test font
Incrementally render by sending the operator list by chunks as they're ready.
Merge pull request #3526 from yurydelendik/cffchecksum

Fixing CFF checksum for test font
Merge pull request #3461 from brendandahl/incremental-rendering2

Incrementally render by sending the operator list by chunks as they're ready.