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Jeff Epler c34b6f757f Implement gifio.GifWriter 
This involves:
 * Adding a new "L8" colorspace for colorconverters
 * factoring out displayio_colorconverter_convert_pixel
 * Making a minimal "colorspace only" version of displayio for the
   unix port (testing purposes)
 * fixing an error message

I only tested writing B&W animated images, with the following script:
```python
import displayio
import gifio

with gifio.GifWriter("foo.gif", 64, 64, displayio.Colorspace.L8) as g:
    for i in range(0, 256, 14):
        data = bytes([i, 255-i] * 32 + [255-i, i] * 32) * 32
        print("add_frame")
        g.add_frame(data)

# expected to raise an error, buffer is not big enough
with gifio.GifWriter("/dev/null", 64, 64, displayio.Colorspace.L8) as g:
    g.add_frame(bytes([3,3,3]))
```
 		2021-10-26 08:54:18 -05:00
.github Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
LICENSES Add an explicit SPDX license file for ter-u12n. 2020-07-06 19:15:41 +01:00
data Updating MISO 2021-05-22 01:02:06 -04:00
devices/ble_hci Fix _bleio.start_advertising arg check; add doc to SocketPool.socket() 2021-10-25 08:43:57 -04:00
docs Merge pull request #5472 from fraziern/fraziern-docs-readme 2021-10-16 17:22:06 -05:00
examples Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
extmod Rename make_new's parameter to `all_args` 2021-10-15 13:49:33 -05:00
frozen Stage: add support for viewport scrolling 2021-10-09 00:05:49 +02:00
lib Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
locale Implement gifio.GifWriter 2021-10-26 08:54:18 -05:00
logo Add license to some obvious files. 2020-07-06 19:16:25 +01:00
mpy-cross fix name of windows mpy-cross executable 2021-10-15 08:53:58 -05:00
ports Implement gifio.GifWriter 2021-10-26 08:54:18 -05:00
py Implement gifio.GifWriter 2021-10-26 08:54:18 -05:00
shared Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
shared-bindings Implement gifio.GifWriter 2021-10-26 08:54:18 -05:00
shared-module Implement gifio.GifWriter 2021-10-26 08:54:18 -05:00
supervisor add missing varriables to devices.h generator 2021-10-24 11:45:15 -07:00
tests Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
tools allow any character except / in port or board name 2021-10-22 20:08:02 +05:30
.git-blame-ignore-revs top: Update .git-blame-ignore-revs for latest formatting commit. 2021-04-27 23:46:46 +10:00
.gitattributes Merge MicroPython 1.12 into CircuitPython 2021-05-03 14:01:18 -07:00
.gitignore refine stubs-building procedure 2021-06-22 08:59:05 -05:00
.gitmodules Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
.mailmap Add a `.mailmap` file to collate together multiple author entries. 2020-07-06 19:15:41 +01:00
.pre-commit-config.yaml merged commits from main 2021-09-19 15:51:43 +02:00
.readthedocs.yml .readthedocs.yml: add directive for RTD to build a pdf version of the docs 2020-08-15 14:30:12 -05:00
.rosie.yml Add license to some obvious files. 2020-07-06 19:16:25 +01:00
ACKNOWLEDGEMENTS Merge MicroPython 1.12 into CircuitPython 2021-05-03 14:01:18 -07:00
ACKNOWLEDGEMENTS.license Add license to some obvious files. 2020-07-06 19:16:25 +01:00
BUILDING.md merged commits from main 2021-09-19 15:51:43 +02:00
CODE_OF_CONDUCT.md Update CODE_OF_CONDUCT.md from source-of-truth repository. 2020-06-03 10:43:36 +01:00
CONTRIBUTING.md Fix error 2020-10-26 23:36:54 +01:00
LICENSE LICENSE: Update for move of crypto-algorithms, re1.5, uzlib to lib. 2021-07-12 16:36:40 +10:00
MANIFEST.in-stubs refine stubs-building procedure 2021-06-22 08:59:05 -05:00
Makefile merged commits from main 2021-09-19 15:51:43 +02:00
README.rst add esp32c3 documentation in readme 2021-10-01 01:26:05 +05:30
README.rst-stubs Actually reduce the README text for the stubs package 2021-06-24 13:41:01 -05:00
WEBUSB_README.md merged commits from main 2021-09-19 15:51:43 +02:00
conf.py Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
license.rst Improve docs and update to CircuitPython. 2017-01-05 16:20:46 -08:00
main.c Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
requirements-ci.txt build docs dynamically 2021-09-16 00:05:42 +05:30
requirements-dev.txt merged commits from main 2021-09-19 15:51:43 +02:00
requirements-doc.txt build docs dynamically 2021-09-16 00:05:42 +05:30
setup.py-stubs refine stubs-building procedure 2021-06-22 08:59:05 -05:00

README.rst-stubs 

CircuitPython
=============

.. image:: https://s3.amazonaws.com/adafruit-circuit-python/CircuitPython_Repo_header_logo.png

|Build Status| |Doc Status| |License| |Discord| |Weblate|

`circuitpython.org <https://circuitpython.org>`__ \| `Get CircuitPython <#get-circuitpython>`__ \|
`Documentation <#documentation>`__ \| `Contributing <#contributing>`__ \|
`Branding <#branding>`__ \| `Differences from Micropython <#differences-from-micropython>`__ \|
`Project Structure <#project-structure>`__

**CircuitPython** is a *beginner friendly*, open source version of Python for tiny, inexpensive
computers called microcontrollers.

This package contains the "stubs", or type definitions for CircuitPython.  With some advanced
editors and other tools, this information can be identify TypeErrors, AttributeErrors, and other
problems before you deploy your code to a device and can even help autocomplete your code.

.. |Build Status| image:: https://github.com/adafruit/circuitpython/workflows/Build%20CI/badge.svg
   :target: https://github.com/adafruit/circuitpython/actions?query=branch%3Amain
.. |Doc Status| image:: https://readthedocs.org/projects/circuitpython/badge/?version=latest
   :target: http://circuitpython.readthedocs.io/
.. |Discord| image:: https://img.shields.io/discord/327254708534116352.svg
   :target: https://adafru.it/discord
.. |License| image:: https://img.shields.io/badge/License-MIT-brightgreen.svg
   :target: https://choosealicense.com/licenses/mit/
.. |Weblate| image:: https://hosted.weblate.org/widgets/circuitpython/-/svg-badge.svg
   :target: https://hosted.weblate.org/engage/circuitpython/?utm_source=widget