设置最大斜接长度，斜接长度指的是在两条线交汇处内角和外角之间的距离。当 setLineJoin() 为 miter 时，该设置才有效。超过最大倾斜长度的，连接处将以 lineJoin 为 bevel 来显示。
Number miterLimit
属性 | 类型 | 默认值 | 必填 | 说明 | 最低版本 |
|---|---|---|---|---|---|
| miterLimit | Number | 是 | 最大斜接长度 |
Page({
onLoad() {
const canvasContext = swan.createCanvasContext('myCanvas');
canvasContext.beginPath();
canvasContext.setLineWidth(10);
canvasContext.setLineJoin('miter');
canvasContext.setMiterLimit(1);
canvasContext.moveTo(10, 10);
canvasContext.lineTo(100, 50);
canvasContext.lineTo(10, 90);
canvasContext.stroke();
canvasContext.beginPath();
canvasContext.setLineWidth(10);
canvasContext.setLineJoin('miter');
canvasContext.setMiterLimit(2);
canvasContext.moveTo(50, 10);
canvasContext.lineTo(140, 50);
canvasContext.lineTo(50, 90);
canvasContext.stroke();
canvasContext.beginPath();
canvasContext.setLineWidth(10);
canvasContext.setLineJoin('miter');
canvasContext.setMiterLimit(3);
canvasContext.moveTo(90, 10);
canvasContext.lineTo(180, 50);
canvasContext.lineTo(90, 90);
canvasContext.stroke();
canvasContext.beginPath();
canvasContext.setLineWidth(10);
canvasContext.setLineJoin('miter');
canvasContext.setMiterLimit(4);
canvasContext.moveTo(130, 10);
canvasContext.lineTo(220, 50);
canvasContext.lineTo(130, 90);
canvasContext.stroke();
canvasContext.draw();
}
});