GeometryUtil class
Properties
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hashCode
→ int
-
The hash code for this object.
no setterinherited
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runtimeType
→ Type
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A representation of the runtime type of the object.
no setterinherited
Methods
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noSuchMethod(Invocation invocation)
→ dynamic
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Invoked when a nonexistent method or property is accessed.
inherited
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toString()
→ String
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A string representation of this object.
inherited
Static Methods
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calculateDistance(double x1, double y1, double x2, double y2)
→ double
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计算两点之间的距离
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getBoundingBox(Rect rect1, Rect rect2)
→ Rect
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计算2个矩形的外接矩形，用于计算圆点摸tip的位置
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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
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isPointInRectangle(double px, double py, Rect rect)
→ bool
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判断点是否在矩形内部
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percent2Offset(dynamic ox, Rect rect)
→ Offset
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计算标记点渲染后到真实的点距离
