<template>
<div>
<div>
<canvas id="c" width="800" height="800"></canvas>
</div>
</div>
</template>
<script>
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);
},
},
};
</script>
