{"id":2547,"date":"2012-08-19T20:41:19","date_gmt":"2012-08-19T12:41:19","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2547"},"modified":"2022-12-02T11:21:56","modified_gmt":"2022-12-02T03:21:56","slug":"css-svg-filter-image-grayscale","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2012\/08\/css-svg-filter-image-grayscale\/","title":{"rendered":"\u5c0ftip: \u4f7f\u7528CSS\u5c06\u56fe\u7247\u8f6c\u6362\u6210\u9ed1\u767d(\u7070\u8272\u3001\u7f6e\u7070)"},"content":{"rendered":"

by zhangxinxu<\/a> from https:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttps:\/\/www.zhangxinxu.com\/wordpress\/?p=2547<\/a><\/p>\n

\/\/zxx: \u6700\u8fd1\u5f88\u79ef\u6781\u5730\u6298\u817e\u624b\u673a\u9875\u9762\u7684\u4e9b\u4e1c\u897f\uff0c\u52a0\u4e0a\u5176\u4ed6\u4e00\u4e9b\u4eba\u751f\u91cd\u8981\u7684\u4e8b\uff0c\u6240\u4ee5\u6728\u6709\u66f4\u65b0\u3002<\/span><\/p>\n

\u53ef\u80fd\u65e9\u5c31\u77e5\u9053\uff0c\u50cf\u6c76\u5ddd\u8fd9\u79cd\u7cdf\u7cd5\u7684\u65e5\u5b50\u7f51\u7ad9\u5168\u7070\u5728IE\u4e0b\u662f\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u7684(filter: gray;<\/code>)\uff0c\u4e0d\u8fc7\uff0c\u5f53\u65f6\uff0c\u5176\u4ed6\u6d4f\u89c8\u5668\u662f\u65e0\u89e3\u7684\u3002\u4e0d\u8fc7\uff0c\u65f6\u4ee3\u53d1\u5c55\uff0c\u5982\u4eca\uff0cCSS3\u7684\u9010\u6b65\u63a8\u8fdb\uff0c\u6211\u4eec\u4e5f\u5f00\u59cb\u770b\u5230\u201c\u9ed1\u767d\u6548\u679c\u201d\u5927\u89c4\u6a21\u5e94\u7528\u4e8e\u5b9e\u9645\u7684\u53ef\u80fd\u3002<\/p>\n

\"\u5f69\u8272\u7167\u7247CSS\u9ed1\u767d\u793a\u610f\u56fe<\/p>\n

CSS3 greyscale \u6ee4\u955c\u5b9e\u73b0<\/h3>\n

\u5982\u4e0b\u6d4b\u8bd5\u4ee3\u7801\uff1a<\/p>\n

\n
.gray { \r\n    -webkit-filter: grayscale(100%);\r\n    -moz-filter: grayscale(100%);\r\n    -ms-filter: grayscale(100%);\r\n    -o-filter: grayscale(100%);\r\n    \r\n    filter: grayscale(100%);\r\n\t\r\n    filter: gray;\r\n}<\/pre>\n<\/div>\n
HTML\u4ee3\u7801\uff1a<\/p>\n
\n
<img src=\"mm1.jpg\" \/>\r\n<img src=\"mm1.jpg\" class=\"gray\" \/><\/pre>\n<\/div>\n
\u5982\u679c\u4f60\u624b\u4e0a\u7684\u6d4f\u89c8\u5668\u662fChrome18+, \u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aCSS3 greyscale \u6ee4\u955c\u4e0e\u7167\u7247\u9ed1\u767d<\/a><\/p>\n
\u53ef\u4ee5\u770b\u5230\u7c7b\u4f3c\u6587\u7ae0\u4e00\u5f00\u59cb\u5c55\u793a\u7684\u9ed1\u767d\u5bf9\u6bd4\u6548\u679c\u56fe\u3002<\/p>\n
\u5176\u4ed6\u4e9b\u6d4f\u89c8\u5668\uff0c\u5982FireFox\u5f88\u5feb\u5c31\u4f1a\u8ddf\u4e0a\u5b9e\u73b0\u3002\u5f53\u7136\uff0c\u8981\u5b9e\u73b0\uff08\u6bd4\u65b9\u8bf4\uff09FireFox 4\u6d4f\u89c8\u5668\u4e0a\u7167\u7247\u53d8\u9ed1\u767d\u7684\u6548\u679c\uff0c\u4e5f\u662f\u53ef\u4ee5\u7684\u3002\u53ef\u4ee5\u4f7f\u7528SVG\u7684\u7070\u5ea6\u6ee4\u955c\u6548\u679c\u3002<\/p>\n
SVG\u6ee4\u955c\u5b9e\u73b0<\/h3>\n
\u6211\u4eec\u65b0\u5efa\u4e00\u4e2a\u7a7a\u767d\u6587\u672c\u6587\u4ef6\uff0c\u6bd4\u5982\u8bf4\uff1agray.txt<\/code>. \u62f7\u8d1d\u8fdb\u53bb\u5982\u4e0b\u7684XML\u4ee3\u7801\uff1a<\/p>\n
\n
<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n    <filter id=\"grayscale\">\r\n        <feColorMatrix type=\"matrix\" values=\"0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\"\/>\r\n    <\/filter>\r\n<\/svg><\/pre>\n<\/div>\n
\u7136\u540e\uff0c\u4fee\u6539\u540e\u7f00.txt<\/code> \u2192 .svg<\/code>. \u7136\u540e\u5c31\u53ef\u4ee5\u8c03\u7528\u4e86~~<\/p>\n
\"\u4fee\u6539\u6587\u672c\u6587\u4ef6\u540e\u7f00\u53d8\u6210SVG\u6587\u4ef6<\/p>\n
\u5982\u4e0bCSS\u8c03\u7528\u4ee3\u7801\uff1a<\/p>\n
\n
filter: url(gray.svg#grayscale);<\/pre>\n<\/div>\n
\u7136\u540e\uff0c\u6548\u679c\u5c31\u51fa\u6765\u4e86\u3002\u5982\u679c\u4f60\u624b\u4e0a\u7684\u6d4f\u89c8\u5668\u662fFireFox4+\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aSVG\u6ee4\u955c\u5b9e\u73b0\u7167\u7247\u9ed1\u767ddemo<\/a><\/p>\n
\u522b\u5fd8\u4e86IE\u6d4f\u89c8\u5668<\/h3>\n
IE\u4e0b\u5b9e\u73b0\u4e0a\u9762\u5df2\u7ecf\u63d0\u8fc7\uff0c\u5c31\u662f\uff1a<\/p>\n
\n
filter: gray;<\/pre>\n<\/div>\n
\u81f3\u5c11IE7~9\u90fd\u662f\u652f\u6301\u7684\u3002\u6700\u8fd1\u8f83\u61d2\uff0cIE6\u61d2\u5f97\u53bb\u6d4b\uff0c\u652f\u6301\u4e0e\u5426\u4e0d\u77e5\u3002\u7ecf\u9a8c\u6765\u770b\uff0c\u5e94\u8be5\u662f\u652f\u6301\u7684\u3002<\/p>\n
\u6211\u9700\u8981\u4e00\u4e2a\u4e00\u7edf\u6c5f\u5c71\u7684\u65b9\u6cd5<\/h3>\n
\u4e00\u7edf\u6c5f\u5c71\uff08\u5b8c\u5168\u517c\u5bb9\uff09\uff0c\u5982\u679c\u5355\u7eaf\u60f3\u901a\u8fc7CSS\uff0c\u4e5f\u662f\u53ef\u4ee5\u7684\uff0c\u4f60\u6240\u8981\u505a\u7684\u5c31\u662f\uff1a\u5929\u5929\u62ff\u4e2a\u9c7c\u7aff\u53bb\u9ec4\u6d66\u6c5f\u9493\u9c7c\uff0c\u5e74\u590d\u4e00\u5e74\uff0c\u65e5\u590d\u4e00\u65e5\u2026\u2026\u7136\u540e\uff0c\u4e24\u5e74\u540e\uff0c\u53ea\u8981\u4e24\u5e74\uff0c\u628a\u4e0a\u9762\u4e24\u4e2ademo\u9875\u9762F5\u4e00\u4e0b\uff0c\u5c31\u53ef\u4ee5\u4e86\uff01\u5f88\u7b80\u5355\u5427\uff01<\/p>\n
\u5982\u679c\u5acc\u4e0a\u9762\u7684\u505a\u6cd5\u8fc7\u4e8e\u4f26\u6566\uff0c\u4e14\u4f60\u4e5f\u4e0d\u662f\u4e00\u6839\u7b4b\uff0c\u5230\u662f\u6709\u4e2a\u4e00\u7edf\u6c5f\u5c71\u7684\u65b9\u6cd5\uff0c\u4e0d\u8fc7\u4e0d\u662fCSS\u7684\u5e72\u8d27\uff0c\u4e00\u4e2a\u8c8c\u4f3c\u6709\u70b9\u540d\u6c14\u7684Greyscale.js<\/a>\u3002 <\/p>\n
\u7528\u6cd5\u5f88\u7b80\u5355\uff0c\u5f15\u7528JavaScript\u6587\u4ef6\uff0c\u5982\u4e0b\uff1a<\/p>\n
\n
<script src=\"http:\/\/james.padolsey.com\/demos\/grayscale\/grayscale.js\"><\/script><\/pre>\n<\/div>\n
\u7136\u540e\uff0c\u4e00\u53e5\u8bdd\uff1a<\/p>\n
\n
grayscale(document.getElementById(\"thisImage\"));<\/pre>\n<\/div>\n
\u6216DOM\u5143\u7d20\u96c6\uff1a<\/p>\n
\n
grayscale(document.getElementsByTagName(\"img\"));<\/pre>\n<\/div>\n
\u5982\u679c\u4f60\u559c\u6b22\u4f7f\u7528jQuery\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
\n
grayscale($(\"#thisImage\"));<\/pre>\n<\/div>\n
\u5f88\u7b80\u5355\u5427\u3002<\/p>\n
\u5b9e\u73b0\u539f\u7406<\/strong>\uff1aIE\u6d4f\u89c8\u5668\u4e0b\u662f\u6dfb\u52a0\u7070\u5ea6\u6ee4\u955c\uff0c\u8fd9\u4e2a\u5927\u5bb6\u90fd\u61c2\u7684\u3002\u5176\u4ed6\u6d4f\u89c8\u5668\u8c8c\u4f3c\u4f7f\u7528Canvas\u4e2d\u7684getImageData<\/code>\u65b9\u6cd5\uff0c\u7136\u540e\u5bf9\u6bcf\u4e2a\u50cf\u7d20\u70b9\u8fdb\u884c\u7070\u5ea6\u8f6c\u6362~~<\/p>\n
\u56e0\u6b64\uff0c\u5728\u73b0\u4ee3\u6d4f\u89c8\u5668\u4e0b\uff0c\u5bf9\u4e8e\u8be5\u65b9\u6cd5\uff0c\u56fe\u7247\u7684\u7070\u5ea6\u5904\u7406\u6709\u4e24\u4e2a\u5c40\u9650\u6027\uff1a
\n1. \u901f\u5ea6<\/strong>\u3002300*300\u8fd9\u5f20\u4e00\u822c\u822c\u5927\u5c0f\u7684\u56fe\u7247\u53d8\u7070\u5c31\u8981\u6570\u79d2\u4e4b\u4e45\uff1b
\n2. \u8de8\u57df<\/strong>\u3002\u5b89\u5168\u6027\u673a\u5236\uff0c\u65e0\u6cd5\u8f6c\u6362\u8de8\u57df\u7684\u56fe\u7247\u4e3a\u9ed1\u767d\u8272\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aGreyscale.js\u7167\u7247\u53d8\u7070\u517c\u5bb9\u6027\u5b9e\u73b0demo<\/a><\/p>\n
\u622a\u56fe\u8ddf\u4e0a\u9762\u7684\u4e00\u81f4\uff0c\u7565\u3002<\/p>\n
\u8865\u5145\u4e8e2015\u5e7412\u670821\u65e5<\/strong>
\n\u5f88\u591a\u4eba\u90ae\u4ef6\u95ee\uff0cIE10, IE11\u8fd9\u4e24\u4e2a\u9ad8\u4e0d\u6210\u4f4e\u4e0d\u5c31\u7684\u6d4f\u89c8\u5668\u600e\u4e48\u529e\uff1f<\/p>\n
\u6211\u4e2a\u4eba\u90fd\u662f\u501f\u52a9SVG\u5b9e\u73b0\uff08\u4e13\u95e8\u4e3aIE10-IE12\uff09\u7684\uff0c\u8bb2\u6bdb\u73bb\u7483\u6548\u679c<\/a>\u7684\u65f6\u5019\u6709\u7c7b\u4f3c\u5b9e\u73b0\u3002<\/p>\n
1. \u9875\u9762\u8f7d\u5165\uff08\u53ef\u4ee5\u8bf7\u6c42\u8f7d\u5165\uff0c\u6216\u8005\u76f4\u63a5\u653e\u5728HTML\u4ee3\u7801\u4e2d\uff09\u4e0a\u9762gray.txt\u5bf9\u5e94\u7684SVG\u6587\u4ef6\uff0c\u4e5f\u5c31\u662f\uff1a<\/p>\n
\n
<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n    <filter id=\"grayscale<\/span>\">\r\n        <feColorMatrix type=\"matrix\" values=\"0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\"\/>\r\n    <\/filter>\r\n<\/svg><\/pre>\n<\/div>\n
2. \u7136\u540e\u5c06\u56fe\u7247\u8f6c\u4e3aSVG\u56fe\u7247\u5f15\u7528\uff0cfilter<\/code>\u5c5e\u6027\u503c\u6307\u5411grayscale<\/code>(\u4e0a\u9762\u7ea2\u8272\u7684id<\/code>\u503c)\u3002\u4f8b\u5982<\/p>\n
\n
<svg>\r\n    <image xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"zxx.jpg\" x=\"0\" y=\"0\" width=\"256\" height=\"190\" filter=\"url('#grayscale')<\/span>\"><\/image>\r\n<\/svg><\/pre>\n<\/div>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a\u4f7f\u7528SVG\u5b9e\u73b0IE10+\u5168\u517c\u5bb9\u7684\u56fe\u50cf\u9ed1\u767ddemo<\/a><\/p>\n
over~<\/p>\n
\u8865\u5145\u4e8e2020\u5e7404\u670803\u65e5<\/strong><\/p>\n
\u6709\u4e0d\u5c11\u4eba\u8be2\u95eeIE10\u548cIE11\u6d4f\u89c8\u5668\u4e0b\u6574\u4e2a\u9875\u9762\u7070\u5ea6\u600e\u4e48\u5904\u7406\u3002<\/p>\n
\u53ea\u80fd\u4f7f\u7528\u662f\u4e2a\u7070\u8272\u5c42\u8986\u76d6\u4e34\u65f6\u9876\u4e00\u4e0b\u4e86\uff0c\u4e3a\u4e86\u9632\u6b62\u5f71\u54cd\u70b9\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528outline<\/code>\uff0c\u6216\u8005box-shadow<\/code>\u5c5e\u6027\u5b9e\u73b0\u3002<\/p>\n
\u4f8b\u5982\u9875\u9762\u63d2\u5165\u8fd9\u4e48\u4e00\u6bb5HTML\uff1a<\/p>\n
<div style=\"position:fixed;z-index:999;width:100vw; height:100vh; left:-100vw; outline: 101vw solid rgba(100,100,100,.7);\"><\/div><\/pre>\n
\u5c42\u7ea7\u8fd8\u6709\u900f\u660e\u5ea6\uff0c\u6216\u8005\u989c\u8272\u5927\u5bb6\u90fd\u53ef\u4ee5\u81ea\u5df1\u8c03\u4e00\u8c03\uff0c\u6211\u8fd9\u91cc\u5c31\u662f\u793a\u610f\u3002<\/p>\n
JS\u4ee3\u7801\uff1a<\/p>\n
document.body.insertAdjacentHTML('afterbegin', '<div style=\"position:fixed;z-index:999;width:100vw; height:100vh; left:-100vw; outline: 101vw solid rgba(100,100,100,.7);\"><\/div>');<\/pre>\n
\u8865\u5145\u4e8e2022-12-02<\/strong><\/p>\n
\u6709\u4eba\u8be2\u95ee\u5982\u4f55\u5b9e\u73b0\u9664\u4e86\u56fe\u7247\u4ee5\u5916\u90fd\u7070\u5ea6\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u4e0b\u9762\u7684CSS\u4ee3\u7801\uff1a<\/p>\n
:not(:has(img)):not(img) {\r\n    filter: grayscale(1);\r\n}<\/pre>\n
\u5e0c\u671b\u53ef\u4ee5\u5e2e\u5230\u5927\u5bb6\u3002<\/p>\n
<\/p>\n
\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<\/a>[https:\/\/www.zhangxinxu.com<\/a>]
\nhttps:\/\/www.zhangxinxu.com\/wordpress\/?p=2547<\/a><\/p>\n
\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
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