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matting's Introduction

Matting

canvas实用小工具,利用html5 canvas 将纯色背景图片的背景抠出, 转为png图片。

抠图之前

抠图之后

使用方法

<input type="file" id="file">
<button onclick="matting()">开始抠图</button>
<script src="./dist/matting.js"></script>
function matting() {
    var file = document.getElementById('file').files[0];
    var mat = new Matting(file);
    mat.createStream();
  }

matting's People

Contributors

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matting's Issues

src与dist下的文件有出入

在src下的index.js中写了img.onload但是dist目录下的js文件没写所以图片的宽高度会得不到,然后dist目录下的js文件设置了颜色数值为20的出血线->numerical > parseInt(selfImageData[index]) - 20 && numerical < parseInt(selfImageData[index]) + 20,但是在src下的index.js却没有写,应该是楼主粗心忘了加啦~

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