ui library

User interface library for rendering components and canvas management.

This library provides UI-specific components for map rendering, including tile management and canvas abstractions that work with Flutter's rendering system.

Key exports:

• TilePicture: Manages rendered tile images and caching
• UICanvas: Canvas abstraction for cross-platform rendering

Classes

DirectionVector

///////////////////////////////////////////////////////////////////////////// A helper class representing a directional vector between two points.

Offsets

///////////////////////////////////////////////////////////////////////////// A simple data class to hold a start and end offset.

ParagraphCacheMgr

A singleton manager for caching ui.Paragraph objects.

ParagraphEntry

////////////////////////////////////////////////////////////////////////// A wrapper around a ui.Paragraph object that represents a piece of laid-out text.

Pointinfo

///////////////////////////////////////////////////////////////////////////// A helper class that holds information about a point in a UiPath.

SymbolImage

A wrapper for a ui.Image that represents a bitmap symbol.

TilePicture

A container for either a ui.Picture (a recorded sequence of drawing commands) or a ui.Image (raw pixel data).

UiCanvas

Canvas abstraction for cross-platform rendering operations.

UiPaint

A wrapper around Flutter's ui.Paint to simplify paint configuration for map rendering.

UiPath

A wrapper around Flutter's ui.Path to simplify path creation and drawing for map rendering.

UiRect

A wrapper around Flutter's ui.Rect to provide additional utility methods.

UiRenderContext

A render context that holds all the necessary information for rendering a map tile.