如何将一张图片灰色化

likelyfor1990

就是把一张图片的灰度增加，这个要如何做到就像这样子变成这样子

lufy

相关文档
http://lufylegend.com/api/zh_CN/ ... orMatrixFilter.html

likelyfor1990

我是用了一下就报这个错
lufylegend-1.10.1.min.js:11 Uncaught DOMException: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data.
    at LBitmapData.applyFilter (file:///D:/1/lufylegend-1.10.1.min.js:11:117953)
    at LColorMatrixFilter.LBitmapFilter.ll_show (file:///D:/1/lufylegend-1.10.1.min.js:11:123099)
    at LSprite._ll_setFilters (file:///D:/1/lufylegend-1.10.1.min.js:11:48413)
    at LSprite.ll_show (file:///D:/1/lufylegend-1.10.1.min.js:11:47532)
    at Function.LGlobal.show (file:///D:/1/lufylegend-1.10.1.min.js:11:26878)
    at LSprite._ll_show (file:///D:/1/lufylegend-1.10.1.min.js:11:88399)
    at LSprite.ll_show (file:///D:/1/lufylegend-1.10.1.min.js:11:47984)
    at Function.LGlobal.show (file:///D:/1/lufylegend-1.10.1.min.js:11:26878)
    at Function.LGlobal.onShow (file:///D:/1/lufylegend-1.10.1.min.js:11:26722)
    at file:///D:/1/lufylegend-1.10.1.min.js:11:38227

代码是直接复制api上的

lufy

likelyfor1990 发表于 2017-12-27 10:16
我是用了一下就报这个错
lufylegend-1.10.1.min.js:11 Uncaught DOMException: Failed to execute 'getImag ...

此功能不能在本地运行，需要有服务器支持