svg自身没有虚边,但是放到toolbox里作为自定义icon就有虚边了

描述:当前是关于Echarts图表中的 折线图 示例。
 
            option = {
    title: {
        text: 'Awesome Chart'
    },
    xAxis: {
        data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
    },
    yAxis: {},
    toolbox: {
        top: 12,
        right: 6,
        itemSize: 12,
        itemGap: 6,
        feature: {
            brush: {
                type: ['lineX', 'clear'],
                title: {
                    lineX: '框选', //
                    clear: '清除', //
                },
                icon: {
                    lineX: `M94.208 385.024 28.672 385.024l0 126.976 65.536 0L94.208 385.024zM94.208 577.536 28.672 577.536l0 126.976 65.536 0L94.208 577.536zM94.208 192.512 28.672 192.512l0 126.976 65.536 0L94.208 192.512zM864.256 126.976l65.536 0L929.792 0l-126.976 0 0 65.536 65.536 0L868.352 126.976zM737.28 0l-126.976 0 0 65.536L737.28 65.536 737.28 0zM864.256 323.584l65.536 0L929.792 192.512l-65.536 0L864.256 323.584zM221.184 65.536l126.976 0L348.16 0 221.184 0 221.184 65.536zM544.768 0l-126.976 0 0 65.536 126.976 0L544.768 0zM995.328 577.536 479.232 192.512 479.232 901.12l180.224-217.088 200.704 335.872 110.592-65.536-200.704-335.872L995.328 577.536zM221.184 901.12l126.976 0 0-65.536L221.184 835.584 221.184 901.12zM28.672 126.976l65.536 0L94.208 65.536l65.536 0L159.744 0 28.672 0 28.672 126.976zM94.208 774.144 28.672 774.144 28.672 901.12l126.976 0 0-65.536L94.208 835.584 94.208 774.144z`,
                    clear: `M919.7 144.8H573.4V104c0-22.5-18.2-40.7-40.7-40.7H492c-22.5 0-40.7 18.2-40.7 40.7v40.7H105c-22.5 0-40.7 18.2-40.7 40.7 0 22.5 18.2 40.7 40.7 40.7h61.1v651.8c0 45 36.5 81.5 81.5 81.5h529.6c45 0 81.5-36.5 81.5-81.5V226.3h61.1c22.5 0 40.7-18.2 40.7-40.7s-18.3-40.8-40.8-40.8zM777.1 837.3c0 22.5-18.2 40.7-40.7 40.7H288.3c-22.5 0-40.7-18.2-40.7-40.7v-611h529.6v611z m-366.6-56c22.5 0 40.7-18.2 40.7-40.7V363.7c0-22.5-18.2-40.7-40.7-40.7-22.5 0-40.7 18.2-40.7 40.7v376.8c0 22.6 18.2 40.8 40.7 40.8z m244.4-40.7V363.7c0-22.5-18.2-40.7-40.7-40.7s-40.7 18.2-40.7 40.7v376.8c0 22.5 18.2 40.7 40.7 40.7 22.5 0.1 40.7-18.1 40.7-40.6z`
                }
            }
        },
        iconStyle: {
            normal: {
                borderWidth: 0.5
            }
        }
    },
    series: [{
        type: 'line',
        data: [220, 182, 191, 234, 290, 330, 310]
    }]
};