Flow gl

2021-06-08

Flow-gl

Terms

• Component: a function that returns initial local state and a view.
• View: a function from component local state and view call parameters to a layoutable.
• Layoutable: a data structure and a function from available space to the space that is needed to draw the layoutable.
• Layout: a data structure that contains other layouts and renderables and a function that calculates sizes and positions of those given the available space. A layout is also layoutable.
• Renderable: a data structure that can be rendered by a renderer. Renderables are also layoutables.
• Renderer: a procedure that can render a batch of certain kinds of renderables using for example an OpenGL context.

Size dependent components

A view is a function from:

• Component local state
• Parameters given from the call site

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