Changelog¶

v0.11.0 - Unreleased¶

Ensure that we are future compatible with Python 3.9 by adhereing to PEP 563 (#252)

Add new definition arlunio.shape.Triangle, also add new arlunio.math.Barycentric definition which serves as the Triangle’s base. (#187)
Add arlunio.image.load and arlunio.image.decode functions to mirror the existing save and encode functions.

Update arlunio.image.Image to now be a class in its own right, wrapping a Pillow image object to add additional functionality

Make the arlunio.image.fill and arlunio.image.colorramp functions return RGBA images to make image composition easier. (#247)
Moved arlunio.pattern.Grid, arlunio.pattern.Map and arlunio.pattern.Pixelize into arlunio.mask. Also Grid has been renamed to Repeat. (#249)

Add missing return type annotation to MaskXXX operators, this should allow combining multiple definition instances together. (#223)

Updated the arlunio-image directive to output a warning during a Sphinx build if a given image fails to render. (#227)
Refactor arlunio-image directive to be based on the standard figure directive. This means that the standard figure options now also work with arlunio-image. (#237)

Moved the “expression” based code out of core into the arlunio.math module.

New arlunio.image module. This contains the image code that was originally part of “core” arlunio. (#228)
New arlunio.raytrace module based on the Ray Tracing in One Weekend book. Currently only supports diffuse materials and spheres, will probably need a few revisions before it becomes useful. (#230)
Refine the concept of a Mask

A Mask is now a sub-class of a numpy.ndarray that is geared towards manipulating boolean numpy arrays. They can be added (a OR b), subtracted (a AND (NOT b)), multiplied (a AND b) and negated (NOT a). (#231)
Rename all standard library modules from arlunio.lib.X to arlunio.X (#233)

Fix reference to flake8 in .pre-commit-config.yaml. Changed virtualenv name from .dev to .env (#227)

Introduce the concept of operators. Operators are definitions that can provide implementations of the arithmetic operators in Python like + and -. Depending on the type a definition produces different operators can be defined that allow them to be combined in some way. The standard library has been updated to incorporate a few operators for working with masks. (#207)
Generalise definitions to accept any “regular” value as an input, not just width and height. In a similar way to attributes, when deriving from other definitions any inputs will be automatically inherited. (#216)

Added some documentation around the CI build for the blog. Also updated the blog build to run every day. (#177)
Tidied up and updated existing changelog, started using towncrier for changelog entries going forward. (#204)
Flatten structure of the User Guide section and add placeholder first tutorial (#205)

Fix handling of multiple notebooks in clean-notebook.sh and add VSCode tasks to aid with tutorial development (#205)
Switch the linting workflow to explicitly list the paths that should trigger a build. (#210)
Fix packaging so that our tests are no longer installed (#216)

Definitions now have a produces classmethod that will report the type of object they produce - assuming that the type annotation has been given of course.
The ar.definition decorator now accurately reports the module a definition was defined in.

The concept of a Definition.
- This incorporates the existing concept of a Shape and expands on it to cover input parameters and more
- Definitions can be derived from other definitions by passing in existing definitions as positional arguments. Derived definitions will inherit all attributes from their “parent” definitions.

The “magic” shape entry point, shapes should now be imported like regular Python classes.

Pixelize shape that can take another shape and and render a lower res version of that shape giving it a pixel art vibe
Map shape that can take a grid of values representing some layout and a dictionary that maps those values to shapes that should be drawn there.
Proof of concept notebook importer

Add mkdirs flag to the :code`Image.save` function to have the option of automatically creating any required parent directories
Tweak the find_notebook function to handle the way we are using it in the gallery