Readme
A Python package implementing a subset of the DrawBot API using Skia as a backend.
Work in progress!
BezierPath object working ✅text() working ✅text() workingFormattedString workingtext() workingBezierPath methods workingtextBox() 🔴 (Major Obstacle)The currently supported subset of Drawbot is tracked here.
This project is purely a Python package that implements (part of) the DrawBot drawing API. Using Skia (skia-python) ensures this can be done in a cross-platform way.
A DrawBot-like cross-platform application shell can be developed, but that would be a separate project. Looking forward to the drawbot-qt, drawbot-wx, drawbot-win or any drawbot-* projects of the future!
Some parts of the DrawBot API will be hard or impractical to duplicate.
Skia has only low level support for text, so we'll have to do Unicode processing, line wrapping, hyphenation, and shaping ourselves. In other words, textBox() will be a tough one to crack.
Generally, 100% text compatibility with DrawBot should not be top priority, as matching CoreText behavior will be a huge challenge.
The ImageObject relies heavily on builtin macOS functionality, and it is huge. At best, we should support a small subset of it, but even that is low priority.
So far no existing DrawBot code has been reused. Perhaps that small snippets will be copied, perhaps a part of the test suite will be adapted. Other than that I want this to be an independent project, and would like to use Skia’s powers to maximum effect, keeping efficiency and performance in mind. DrawBot's ties to macOS are so strong that it makes platform-neutral code reuse virtually impossible.
Potentially, some higher level code could be shared (for example, drawing code that uses lower level primitives), but that will have to been seen later.
The quickest way to install the latest release is with pip:
pip install drawbot-skia
Note for Windows: skia-python is only supported for the 64-bit version of Python, so that goes for drawbot-skia as well, so make sure you use one of the x86-64 Python installers.
If you want to see the source code and possibly contribute: clone the repo, and do pip install -e . in the root directory.
To adapt a DrawBot script to drawbot-skia you can do a couple of things:
from drawbot_skia.drawbot import * at the top of your scriptimport drawbot_skia.drawbot as db if that's your preferred styleOr you can use the drawbot runner tool from the command line:
drawbot mydrawbotscript.py output.pngWith the drawbot runner tool, you won't need any Drawbot import in the script, nor do you need a saveImage(...) to export results. It pretty much behaves as if you hit "Run" in the classic Drawbot application.
FAQs
Drawbot implements a simple drawing API to generate 2D vector graphics
We found that drawbot-skia demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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