记~vue3中ColorThief的介绍与使用

安装 npm i colorthief

效果

代码

<template>
  <div>
    <img ref="image" src="@/assets/img/no-message.png" alt="示例图片">
    <button @click="getColorPalette">获取颜色</button>
    <div>主色调</div>
    <br/>
    <div class="color" :style="{ background: color }"></div>
    <br/>
    <div>调色板</div>
    <ul>
      <li v-for="color in colorPalette" :key="color" :style="{ background: color }">
        {{ color }}
      </li>
    </ul>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import ColorThief from 'colorthief';

const image = ref(null);
const colorPalette = ref([]);
const color = ref('')


const getColorPalette = () => {
  const img = image.value;
  const colorThief = new ColorThief();
  if (img) {
    const mainColor = colorThief.getColor(img);//主色调
    color.value = `rgb(${mainColor[0]}, ${mainColor[1]}, ${mainColor[2]})`
    const palette = colorThief.getPalette(img);//获取调色板
    colorPalette.value = palette.map(([r, g, b]) => `rgb(${r}, ${g}, ${b})`);
  }
};
</script>

<style lang="scss" scoped>
.color {
  width: 50px;
  height: 50px;
}
ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

li {
  width: 50px;
  height: 50px;
  margin: 5px;
  border-radius: 5px;
}
</style>

官网 https://lokeshdhakar.com/projects/color-thief/

详细教程推荐参考

https://blog.csdn.net/qq_64546210/article/details/144011160

https://blog.csdn.net/m0_46281382/article/details/142087154