Andrii Syrokomskyi

Did this, Dmitry. I seem to make a mistake with the rebase and squash branches. I do not how to fix it in this PR, sorry.

I needed to include `Rect`, `Color`, and `Size` in some of my Dart projects, therefore this library - [pure_dart_ui](https://pub.dev/packages/pure_dart_ui) - came into being. Also, I needed to parse the TMX...

> What do you mean by „WITHOUT a breaking change“? Wouldn’t changing the types be a breaking change anyway? I mean that the types from [pure_dart_ui](https://pub.dev/packages/pure_dart_ui) are 100% copied from...

> So does my ColorData class, however both are breaking changes as conversion methods are required in order to adapt to for example dart:ui's Color that is needed by flutter/flame!...

Ok with `Color` / `ColorData`. What about the other classes: `Size`, `Rect`, `Offset`?

Fixing the bug has taken a bit longer. If you need a Unicode-aware version of this wonderful library, here is one of the solutions: https://github.com/signmotion/fresher/blob/master/lib/src/emoji_template.dart Also sometest for @jonahwilliams that...

Thanks for you PR! Sorry for waiting: I look at PR on this week.