import { fabric } from "fabric";export default { name: "HelloFabric", data() { return {}; }, mounted() { this.init(); }, methods: { init() { // create a wrapper around native canvas element (with id="c") // 声明画布 var canvas = new fabric.Canvas("c");

// //鼠标按下时事件 // canvas.on('mouse:down', function(options) { // console.log("mouse:down"+options.e.clientX, options.e.clientY) // })

// //鼠标移动时事件 // canvas.on('mouse:move', function(options) { // console.log("mouse:move"+options.e.clientX, options.e.clientY) // })

// //鼠标抬起时事件 // canvas.on('mouse:up', function(options) { // console.log("mouse:up"+options.e.clientX, options.e.clientY) // })

// create a rectangle object // 绘制图形 var rect = new fabric.Rect({ left: 80, //距离画布左侧的距离，单位是像素 top: 80, //距离画布上边的距离 fill: "red", //填充的颜色 width: 20, //方形的宽度 height: 20, //方形的高度 });

// "add" rectangle onto canvas //添加图形至画布 canvas.add(rect);

//添加图片 fabric.Image.fromURL('images/light.png', function(oImg) { // scale image down, and flip it, before adding it onto canvas //缩小图像并翻转它 oImg.scale(0.5).set('flipX', true); canvas.add(oImg); });

//绘制不规则图形 var path = new fabric.Path('M 0 0 L 200 100 L 170 200 z'); path.set({ left: 120, top: 120,fill:'red' }); //选中监听事件 path.on('selected', function() { console.log('selected'); });

//对象移动监听事件 path.on('moving', function() { console.log('moving'); });

//对象被旋转监听事件 path.on('rotating', function() { console.log('rotating'); });

//对象被加入监听事件 path.on('added', function() { console.log('added'); });

//对象被移除监听事件 path.on('removed', function() { console.log('removed'); });

canvas.add(path);

//绘制圆形 var circle = new fabric.Circle({ radius: 100, fill: '#f00', scaleY: 0.5, originX: 'center', //调整中心点的X轴坐标 originY: 'center' //调整中心点的Y轴坐标 }); //绘制文本 var text = new fabric.Text('公众号:霸道的程序猿', { fontSize: 20, originX: 'center', originY: 'center' }) //进行组合 var group = new fabric.Group([circle, text], { left: 350, top: 200, angle: 10 }) canvas.add(group);

//序列化 var canvasJsonData = JSON.stringify(canvas.toJSON()); console.log("toJSON="+canvasJsonData);

//toSVG console.log("toSVG="+canvas.toSVG());

}, },};