Vue를 통해 이미지의 무작위 왜곡 및 왜곡을 달성하는 방법은 무엇입니까?

npm install fabric --save

import fabric from 'fabric';

<template>
  <div class="image-wrapper">
    <input type="file" @change="handleUpload" />
    <canvas ref="canvas"></canvas>
  </div>
</template>

<script>
export default {
  data() {
    return {
      canvas: null,
      image: null
    };
  },
  mounted() {
    this.canvas = new fabric.Canvas(this.$refs.canvas);
  },
  methods: {
    handleUpload(e) {
      const file = e.target.files[0];
      const reader = new FileReader();
      reader.onload = (event) => {
        this.createImage(event.target.result);
      };
      reader.readAsDataURL(file);
    },
    createImage(url) {
      fabric.Image.fromURL(url, (img) => {
        this.image = img;
        this.canvas.add(this.image);
      });
    },
    distortImage() {
      // 在这里添加扭曲和畸变效果的代码
    }
  },
};
</script>

distortImage() {
  const distortionFactor = 30; // 扭曲系数，可以根据需要进行调整

  const points = this.image.getBoundingRect().getPoints(); // 获取图片的边界点集合

  points.forEach((point) => {
    const randomX = Math.random() * distortionFactor - distortionFactor / 2;
    const randomY = Math.random() * distortionFactor - distortionFactor / 2;

    point.x += randomX;
    point.y += randomY;
  });

  const path = new fabric.Path(points);
  this.canvas.add(path);
  this.canvas.remove(this.image);
  this.canvas.sendToBack(path);
}

<template>
  <div class="image-wrapper">
    <input type="file" @change="handleUpload" />
    <canvas ref="canvas"></canvas>
    <button @click="distortImage">扭曲图片</button>
  </div>
</template>

undo() {
  const lastPath = this.canvas.item(this.canvas.getObjects().length - 1);
  if (lastPath instanceof fabric.Path) {
    this.canvas.remove(lastPath);
    this.canvas.add(this.image);
    this.canvas.sendToBack(this.image);
  }
}

<template>
  <div class="image-wrapper">
    <input type="file" @change="handleUpload" />
    <canvas ref="canvas"></canvas>
    <button @click="distortImage">扭曲图片</button>
    <button @click="undo">撤销</button>
  </div>
</template>