ccitt: implement NewReader and DecodeIntoGray

The testdata/bw-gopher.png image was derived from
testdata/bw-uncompressed.tiff

The testdata/*ccitt* data was generated from a custom CCITT encoder:
https://go-review.googlesource.com/c/image/+/174139/10/ccitt/writer.go

Updates golang/go#19443

Change-Id: I53b7acd807aa9a627517ede5bc3316d6f1fe4724
Reviewed-on: https://go-review.googlesource.com/c/image/+/182219
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
5 files changed
tree: bd85334aec06bc89b23e4fe6010e740c2d65f30a
  1. .gitattributes
  2. .gitignore
  3. AUTHORS
  4. CONTRIBUTING.md
  5. CONTRIBUTORS
  6. LICENSE
  7. PATENTS
  8. README.md
  9. bmp/
  10. ccitt/
  11. cmd/
  12. codereview.cfg
  13. colornames/
  14. draw/
  15. example/
  16. font/
  17. go.mod
  18. go.sum
  19. math/
  20. riff/
  21. testdata/
  22. tiff/
  23. vector/
  24. vp8/
  25. vp8l/
  26. webp/
README.md

Go Images

This repository holds supplementary Go image libraries.

Download/Install

The easiest way to install is to run go get -u golang.org/x/image/.... You can also manually git clone the repository to $GOPATH/src/golang.org/x/image.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the image repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/image:” in the subject line, so it is easy to find.