| bytes | Package bytes implements functions for the manipulation of byte slices. |
| compress/gzip | Package gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952. |
| encoding/binary | Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/go-text/typesetting/font/cff | |
| github.com/go-text/typesetting/font/opentype | Package opentype provides the low level routines required to read and write Opentype font files, including collections. |
| github.com/go-text/typesetting/font/opentype/tables | |
| golang.org/x/image/tiff | Package tiff implements a TIFF image decoder and encoder. |
| image | Package image implements a basic 2-D image library. |
| image/jpeg | Package jpeg implements a JPEG image decoder and encoder. |
| image/png | Package png implements a PNG image decoder and encoder. |
| io | Package io provides basic interfaces to I/O primitives. |
| math | Package math provides basic constants and mathematical functions. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |