Refactor crop.dart introducing CropEditorViewState #164
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Issue
crop.dartinitially contains a lot of logic to calculate and update its state.solution
Introduced
CropEditorViewStatewhich preserves values given byCropand also generated through users' interaction. This also exposes calculated values so that_CropEditorcan use those values as-is in itsbuild()method.The idea is introduced below:
https://github.com/chooyan-eng/complex_local_state_management/blob/main/docs/local_state.md
Documentation
Also, added
docs/architecture.mdwhich briefly describes how crop_your_image is implemented. This document is for maintainer and also for AI, such as Cursor editor.