01 2021 档案
摘要：canvas.on('object:moving', (e) => { // 阻止对象移动到画布外面 let padding = 10; // 内容距离画布的空白宽度，主动设置 var obj = e.target; if (obj.currentHeight > obj.canvas.height
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摘要：zoomIt = (factor) => { // factor： 比例 const { canvas } = this.state; let cWidth = canvas.width; canvas.setWidth(cWidth * factor); canvas.setHeight(cWid
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