Should your application run in dark mode? You can ignore this setting and produce any colored output you want, but the setting will be toggeled by the sandbox according to the user's browser/OS preference.
The seed for the PRNG.
The part of the canvas that the targetted render kernel will handle. This is ignored, unless you use multi-process rendering.
Height of the viewport in fractional world-space.
Width of the viewport in fractional world-space.
Start of the viewport in fractional world-space.
Start of the viewport in fractional world-space.
The options your application has to accept so it can interact with the
CanvasSandbox.