Quantum Painter (#10174)

* Install dependencies before executing unit tests.

* Split out UTF-8 decoder.

* Fixup python formatting rules.

* Add documentation for QGF/QFF and the RLE format used.

* Add CLI commands for converting images and fonts.

* Add stub rules.mk for QP.

* Add stream type.

* Add base driver and comms interfaces.

* Add support for SPI, SPI+D/C comms drivers.

* Include <qp.h> when enabled.

* Add base support for SPI+D/C+RST panels, as well as concrete implementation of ST7789.

* Add support for GC9A01.

* Add support for ILI9341.

* Add support for ILI9163.

* Add support for SSD1351.

* Implement qp_setpixel, including pixdata buffer management.

* Implement qp_line.

* Implement qp_rect.

* Implement qp_circle.

* Implement qp_ellipse.

* Implement palette interpolation.

* Allow for streams to work with either flash or RAM.

* Image loading.

* Font loading.

* QGF palette loading.

* Progressive decoder of pixel data supporting Raw+RLE, 1-,2-,4-,8-bpp monochrome and palette-based images.

* Image drawing.

* Animations.

* Font rendering.

* Check against 256 colours, dump out the loaded palette if debugging enabled.

* Fix build.

* AVR is not the intended audience.

* `qmk format-c`

* Generation fix.

* First batch of docs.

* More docs and examples.

* Review comments.

* Public API documentation.

lib/python/qmk/cli/__init__.py

@@ -16,7 +16,8 @@ import_names = {
     # A mapping of package name to importable name
     'pep8-naming': 'pep8ext_naming',
     'pyusb': 'usb.core',
-    'qmk-dotty-dict': 'dotty_dict'
+    'qmk-dotty-dict': 'dotty_dict',
+    'pillow': 'PIL'
 }
 
 safe_commands = [
@@ -67,6 +68,7 @@ subcommands = [
     'qmk.cli.multibuild',
     'qmk.cli.new.keyboard',
     'qmk.cli.new.keymap',
+    'qmk.cli.painter',
     'qmk.cli.pyformat',
     'qmk.cli.pytest',
     'qmk.cli.via2json',