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CHANGELOG.md

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Changelog

Version 0.9.7

  • fix: slice the data in case it exceeds the size of the display

Version 0.9.6

  • fix: make it compatible with kivy 3

Version 0.9.5

  • refactor: set minimum version of kivy to 2.1.0 (used to be 2.3.0)

Version 0.9.4

  • refactor: update snapshot fixture with latest changes

Version 0.9.3

  • refactor: migrate from uint16 to uint8 as each channel of the RGB image is a single byte
  • feat: add alpha channel ... yet again
  • feat: add a demo app based on the code provided here
  • fix: the order of width and height in different places so that it works when the screen is not a square - closes #12, closes #13

Version 0.9.2

  • fix: apply rotations and flips and drop alpha channel on data before storing it in raw_data

Version 0.9.1

  • fix: consider alpha channel in the data stored in raw_data field of HeadlessWidget

Version 0.9.0

  • refactor: remove all features specific to Raspberry Pi, now it is a general headless Kivy library suitable for different platforms and test environments
  • build: rename project to headless-kivy as it is not specific to Raspberry Pi anymore
  • build: update repository to https://github.com/sassanh/headless-kivy

Version 0.8.2

  • refactor: drop code for positioning the window on the screen

Version 0.8.1

  • refactor: drop is_test_environment, the code using headless kivy should be responsible for setting up the environment so that it can fully customize the configuration

Version 0.8.0

  • refactor: use str_to_bool of python-strtobool instead of strtobool of distutils
  • feat: add snapshot fixture

Version 0.7.4

  • feat: add rotation, flip_horizontal, and flip_vertical parameters to SetupHeadlessConfig to allow configuration of the display orientation

Version 0.7.3

  • feat: configurable rotation and flip parameters
  • feat: let the user render a splash screen before the first frame is ready to be rendered, if not provided, it renders a black screen

Version 0.7.2

  • fix: revert numpy data structure storing display data to uint16 as 2 bytes are used per pixel

Version 0.7.1

  • fix: don't interact with window system when running headless for tests

Version 0.7.0

  • feat: render relevant parts of the screen only
  • feat: keep a copy of the raw data transferred to the display in config._display.raw_data

Version 0.6.1

  • chore: GitHub workflow to publish pushes on main branch to PyPI
  • chore: create GitHub release for main branch in GitHub workflows

Version 0.6.0

  • refactor: HeadlessWidget is not a singleton anymore, config migrated to config module
  • refactor: initializing display and config is now done in setup_headless_kivy
  • feat: class method get_instance to get the closest parent instance of type HeadlessWidget

Version 0.5.12

  • fix: make sure kivy.core.window is loaded in setup_headless to avoid segmentation fault

Version 0.5.11

  • docs: remove instructions to deal with legacy Raspbian from README.md

Version 0.5.10

  • feat: ensure setup_headless is called before instantiating HeadlessWidget
  • feat: periodically write snapshots of the screen to filesystem in debug mode for remote debugging
  • refactor: fix pyright and ruff errors and warnings by faking modules
  • refactor: split __init__.py into several files

Version 0.5.9

  • refactor: make synchronous_clock enabled by default

Version 0.5.8

  • refactor: avoid unnecessary scheduled calls of render_on_display
  • refactor: make automatic_fps enabled by default

Version 0.5.7

  • feat: cancel clock event when kivy app stops

Version 0.5.6

  • fix: ignore data hash and render a single frame after resume

Version 0.5.3

  • feat: add clear_at_exit setting and pause and resume methods

Version 0.5.2

  • chore: simplify pyproject.toml and the setup instructions

Version 0.5.1

  • fix: incorrect local import path

Version 0.5.0

  • chore: drop support for python 3.9 and 3.10

Version 0.4.2

  • chore: migrate from poetry groups to poetry extras

Version 0.4.1

  • chore: update development installation command in README.md

Version 0.4.0

  • chore: add dev extra, remove watchdog and cython

Version 0.3.7

  • chore: update typing-extensions

Version 0.3.6

Version 0.3.5

  • chore: add CHANGELOG.md

Version 0.3.4

  • feat: add stencil support in HeadlessWidget's framebuffer

Version 0.3.3

  • chore: update packages
  • docs: add icons in README.md
  • chore: drop unused dependencies

Version 0.3.0

  • refactor: make some methods of HeadlessWidget class methods
  • docs: update the README.md file
  • chore: add license file
  • chore: update lockfile

Version 0.2.2

  • chore: github action for building wheels

Version 0.2.1

  • fix: make adafruit-circuitpython-rgb-display conditionally install only on raspberry pi

Version 0.2.0

  • chore: remove demo files
  • feat: keyboard navigation for pagination demo
  • feat: add typings and docs
  • docs: add pagination demo
  • chore: update poetry packages and config
  • feat: add activate_low_fps_mode and activate_high_fps_mode to manually set fps when needed
  • feat: add logging and improve fps handler
  • docs: add sdl installation instructions and a reference to demo.py in README.md
  • feat: drop Kivy FPS to min_fps when the user interface is idle
  • feat: Add default values for setup_headless() based on environment variables
  • docs: add demo.py to show all the features in action
  • docs: add README.md
  • feat: avoid sending data to the lcd when the current frame is the same as the last one
  • feat: add double buffering
  • feat: add synchronous mode to save CPU time by avoiding Kivy from rendering frames when last frame is not yet rendered on the lcd

Version 0.1.0

  • feat: implement Headless widget to render content on SPI display without needing a display server/window manager