ZRender

Module: zrender/tool/computeBoundingBox

zrender/tool/computeBoundingBox

从顶点数组中计算出最小包围盒，写入min和max中

Methods

staticmodule:zrender/tool/computeBoundingBox.computeArcBoundingBox(center, radius, startAngle, endAngle, anticlockwise, min, max)

tool/computeBoundingBox.js, line 139

从圆弧中计算出最小包围盒，写入min和max中

Name Type Description
center Array.<number>

圆弧中心点
radius number

圆弧半径
startAngle number

圆弧开始角度
endAngle number

圆弧结束角度
anticlockwise number

是否是顺时针
min Array.<number>
max Array.<number>

staticmodule:zrender/tool/computeBoundingBox.computeCubeBezierBoundingBox(p0, p1, p2, p3, min, max)

tool/computeBoundingBox.js, line 59

从三阶贝塞尔曲线(p0, p1, p2, p3)中计算出最小包围盒，写入min和max中

Name Type Description
p0 Array.<number>
p1 Array.<number>
p2 Array.<number>
p3 Array.<number>
min Array.<number>
max Array.<number>

staticmodule:zrender/tool/computeBoundingBox.computeQuadraticBezierBoundingBox(p0, p1, p2, min, max)

tool/computeBoundingBox.js, line 94

从二阶贝塞尔曲线(p0, p1, p2)中计算出最小包围盒，写入min和max中

Name Type Description
p0 Array.<number>
p1 Array.<number>
p2 Array.<number>
min Array.<number>
max Array.<number>