GeometryUtil class

Constructors

GeometryUtil()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

calculateDistance(double x1, double y1, double x2, double y2) → double

计算两点之间的距离

getBoundingBox(Rect rect1, Rect rect2) → Rect

计算2个矩形的外接矩形，用于计算圆点摸tip的位置

isClickImgArea(int sw, int sh, Size renderSize, Offset clicLtInSImg, int clickW, int clickH, Offset localPosition) → dynamic

判断是否点中图片的指定区域 sw,sh,图片的原始大小 renderSize:图片的渲染后所占用的像素大小 clicLtInSImg:原图上可以点击的区域左上角 clickW, clickH:原图上可点击的矩形的宽度和高度 localPosition：实际交互的时候点击的内容

isPointInRectangle(double px, double py, Rect rect) → bool

判断点是否在矩形内部

percent2Offset(dynamic ox, Rect rect) → Offset

计算标记点渲染后到真实的点距离