CanvasContext.setMiterLimit

解释: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。

# 方法参数

Number miterLimit

miterLimit参数说明: 最大斜接长度

# 示例

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# 图片示例

图片

# 代码示例

    <canvas canvas-id="myCanvas" class="myCanvas" />
    
    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();
        }
    });