{"id":6626,"date":"2017-12-14T21:58:38","date_gmt":"2017-12-14T13:58:38","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=6626"},"modified":"2020-10-17T11:26:21","modified_gmt":"2020-10-17T03:26:21","slug":"understand-svg-fedisplacementmap-filter","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2017\/12\/understand-svg-fedisplacementmap-filter\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3SVG feDisplacementMap\u6ee4\u955c\u53ca\u5b9e\u9645\u5e94\u7528"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=6626\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=6626<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u5f97\u5230\u539f\u4f5c\u8005\u4e66\u9762\u8bb8\u53ef\uff0c\u540c\u65f6\u4fdd\u7559\u539f\u4f5c\u8005\u548c\u51fa\u5904\uff0c\u6458\u8981\u5f15\u6d41\u5219\u968f\u610f\u3002<\/p>\n<p><strong>\u8865\u5145\u4e8e2018-05-07<\/strong><br \/>\n\u5e94\u8be5\u5c31\u662f\u6700\u8fd1\u4e00\u4e24\u4e2a\u7248\u672c\u7684Chrome\u5427\uff0c\u5c45\u7136feDisplacementMap\u6ee4\u955c\u5b9e\u65f6\u6548\u679c\u90fd\u6ca1\u4e86\uff0c\u4e0d\u652f\u6301\u4e86\uff0c\u532a\u5937\u6240\u601d\uff0cFirefox\u8fd8\u662f\u6709\u7684\u3002<br \/>\n<strong>\u8865\u5145\u4e8e2019-04-19<\/strong><br \/>\nChrome\u6d4f\u89c8\u5668\u73b0\u5728\u53c8\u652f\u6301\u826f\u597d\u4e86\uff0c\u4e0d\u77e5\u9053\u54ea\u4e2a\u7248\u672c\u4fee\u6b63\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<h3>\u4e00\u3001\u5148\u770b\u4e00\u4e2afeDisplacementMap\u6ee4\u955c\u6548\u679c<\/h3>\n<p>\u5728Chrome\u6216\u8005Firefox\u6d4f\u89c8\u5668\u4e0b\u70b9\u51fb\u4e0b\u9762\u7684\u6309\u94ae\u6216\u8005\u56fe\u7247\uff0c\u5c31\u4f1a\u770b\u5230\uff0c\u4ece\u70b9\u51fb\u4f4d\u7f6e\u5f00\u59cb\uff0c\u6709\u6c34\u6ce2\u8361\u6f3e\u7684\u7279\u6548\uff1a<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.zhangxinxu.com\/study\/201712\/ripple-include.php\" frameborder=\"0\" width=\"300\" height=\"280\"><\/iframe><\/p>\n<p>\u4e0a\u9762\u7684\u6309\u94ae\u548c\u56fe\u7247\u5c31\u662f\u666e\u901a\u7684<code>&lt;button&gt;<\/code>\u548c<code>&lt;img&gt;<\/code>\u5143\u7d20\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u57fa\u672c\u4e0a\u8fd9\u4e2a\u6548\u679c\u53ef\u4ee5\u4f5c\u7528\u4e8e\u51e0\u4e4e\u4efb\u4f55\u7684HTML\u5143\u7d20\uff0c\u9002\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\u3002<\/p>\n<h4>\u5982\u4f55\u5e94\u7528\u4e0a\u9762\u6ce2\u7eb9\u6548\u679c\u5462\uff1f<\/h3>\n<p>\u672c\u6587<a href=\"#howUseR\" rel=\"noopener\">\u540e\u9762\u4f1a\u4ecb\u7ecd<\/a>\u3002<\/p>\n<p><span class=\"s\">\/\/zxx :\u5982\u679c\u5bf9\u6548\u679c\u611f\u5174\u8da3\uff0c\u5bf9<code>feDisplacementMap<\/code>\u4e0d\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u76f4\u63a5\u70b9\u51fb\u4e0a\u9762\u6587\u5b57\u94fe\u63a5\u5b9a\u4f4d\u5230\u4e0b\u9762\u3002<\/span><\/p>\n<h3>\u4e8c\u3001SVG feDisplacementMap\u6ee4\u955c\u7b80\u4ecb<\/h3>\n<p>CSS3\u4e2d\u6709\u5f88\u591a\u57fa\u672c\u7684\u6ee4\u955c\uff0c\u4f8b\u5982\u6a21\u7cca\uff0c\u4e0b\u9634\u5f71\uff0c\u53cd\u76f8\uff0c\u7070\u5ea6\uff0c\u4eae\u5ea6\u63a7\u5236\u7b49\u7b49\uff0c\u4f7f\u7528\u975e\u5e38\u65b9\u4fbf\uff0c\u4ee5\u81f3\u4e8eChrome\u548cFirefox\u7b49\u6d4f\u89c8\u5668\uff08\u76ee\u524dSafari 11\u5e76\u672a\u652f\u6301\uff09\u7684<code>canvas<\/code>\u4e5f\u589e\u52a0\u4e86\u540c\u8bed\u6cd5\u7684<code>filter<\/code> API\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>context.filter = \"blur(15px)\";<\/pre>\n<p>\u5f88\u68d2\uff01\u7136\u800c\uff0c\u5bf9\u4e8eSVG\u6ee4\u955c\uff0c\u603b\u8981\u4e00\u5206\u4e3a\u4e8c\u5f97\u770b\u5f85\u3002<\/p>\n<p>\u9996\u5148\uff0cCSS3\u652f\u6301\u7684\u6240\u6709\u8fd9\u4e9b\u6ee4\u955cSVG\u90fd\u662f\u53ef\u4ee5\u5b9e\u73b0\u7684\uff0c\u6ce8\u610f\u81ea\u5df1\u7684\u63aa\u8f9e\uff0c\u201c\u53ef\u4ee5\u5b9e\u73b0\u201d\u3002\u4f46\u662f\u5982\u679c\u8981\u95ee\u5bb9\u4e0d\u5bb9\u6613\u5b9e\u73b0\u5462\uff0c\u90a3\u548cCSS\u6bd4\uff0c\u90a3\u5c31\u662f\u96c5\u601d\u8ddf\u56db\u7ea7\u7684\u533a\u522b\uff0c\u9664\u4e86\u9ad8\u65af\u6a21\u7cca\u7b49\u5c11\u6570\u51e0\u4e2a\u6ee4\u955c\uff0c\u5176\u4ed6\u6ee4\u955c\u6548\u679c\u53ea\u8981\u81ea\u5df1\u91cd\u65b0\u8fdb\u884c\u7ec4\u5408\u5b9a\u5236\u3002<\/p>\n<p>\u8fd9\u5e76\u4e0d\u662f\u8bf4SVG\u6ee4\u955c\u4e0d\u597d\uff0c\u800c\u662f\u672c\u8eab\u5b9a\u4f4d\u548c\u7b56\u7565\u7684\u5dee\u5f02\u3002<\/p>\n<p>SVG\u6ee4\u955c\u63d0\u4f9b\u7684\u662f\u66f4\u57fa\u7840\uff0c\u66f4\u5e95\u5c42\u7684\u63a7\u5236\u624b\u6bb5\uff1b\u800cCSS\u7684\u8fd9\u4e9b\u6ee4\u955c\u662f\u770b\u6210\u662f\u7ecf\u8fc7\u5c01\u88c5\u5904\u7406\u540e\u66b4\u9732\u7684\u9ad8\u5ea6\u5b9a\u5236\u7684API\u3002\u4f60\u53ef\u4ee5\u770b\u6210\u662f\u539f\u751fJavaScript\u548cjQuery\u7684\u533a\u522b\u3002<\/p>\n<p>\u4f8b\u5982SVG\u6ee4\u955c\u53ef\u4ee5\u5bf9\u7279\u5b9a\u901a\u9053\u989c\u8272\u8fdb\u884c\u7ec6\u81f4\u7684\u5904\u7406\uff0c\u6bd4\u65b9\u8bf4\u628a\u56fe\u7247\u91cc\u9762\u6240\u6709\u7ea2\u8272\u5168\u90e8\u53bb\u6389\u3002\u4f46\u662f\u5728CSS\u4e2d\uff0c\u76ee\u524d\u5374\u6ca1\u6709\u8fd9\u6837\u7684\u529f\u80fd\u3002<\/p>\n<p>\u6240\u4ee5SVG\u6ee4\u955c\u8981\u66f4\u52a0\u5f3a\u5927\uff0c\u66f4\u52a0\u7075\u6d3b\uff0c\u867d\u7136\u5b66\u4e60\u6210\u672c\u6709\u70b9\u9ad8\uff0c\u4f46\u662f\u4e00\u65e6\u719f\u7ec3\u638c\u63e1\uff0c\u6df1\u5165\u4e86\u89e3\uff0c\u6211\u4eec\u5c31\u80fd\u81ea\u5df1\u521b\u9020\u51fa\u5f88\u591a\u975e\u5e38\u7cbe\u6e5b\u7684\u6548\u679c\u3002\u5c24\u5176\u73b0\u5728\u73b0\u4ee3\u6d4f\u89c8\u5668\u4e0b\u666e\u901aHTML\u5143\u7d20\u4e5f\u80fd\u76f4\u63a5\u4f7f\u7528CSS <code>filter<\/code>\u5c5e\u6027\u5e94\u7528SVG\u6ee4\u955c\uff0c\u8fd9\u662f\u8bf4\u6211\u4eec\u7684web\u4ea4\u4e92\u52a8\u6548\u53ef\u4ee5\u66f4\u4e0a\u4e00\u5c42\u697c\u3002\u53ef\u89c1\u597d\u597d\u5b66\u4e60SVG\u8fd8\u662f\u5f88\u6709\u4ef7\u503c\u548c\u524d\u666f\u7684\u3002<\/p>\n<p>\u4e0d\u5982\u5c31\u5148\u4ece\u672c\u6587\u7684<code>feDisplacementMap<\/code>\u6ee4\u955c\u5f00\u5200\u3002<\/p>\n<p>SVG\u672c\u8d28\u662fXML\uff0c\u548cHTML\u5143\u7d20\u540c\u5b97\uff0c\u56e0\u6b64\uff0c\u5176\u6240\u6709\u7684\u6ee4\u955c\u90fd\u662f\u4f7f\u7528\u6807\u7b7e\u548c\u5c5e\u6027\u5b9e\u73b0\u7684\u3002\u6240\u4ee5\uff0c\u8fd9\u91cc\u7684<code>feDisplacementMap<\/code>\u6ee4\u955c\u5b9e\u9645\u4e0a\u6307\u7684\u662f<code>&lt;feDisplacementMap&gt;<\/code>\u5143\u7d20\u3002<\/p>\n<p>\u5728SVG\u4e2d\uff0c\u6240\u4ee5\u7684\u6ee4\u955c\u5143\u7d20\u6807\u7b7e\u90fd\u662f\u4ee5\u5b57\u6bcd<code>fe<\/code>\u6253\u5934\uff0c\u4f8b\u5982\u9ad8\u65af\u6a21\u7cca\u6ee4\u955c<code>&lt;feGaussianBlur&gt;<\/code>\u7b49\u3002<\/p>\n<p>\u914d\u5408\u4e00\u4e9bSVG\u5143\u7d20\u5c5e\u6027\uff0c\u5c31\u80fd\u5b9e\u73b0\u6211\u4eec\u60f3\u8981\u7684\u6ee4\u955c\u6548\u679c\u4e86\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u5b66\u4e60SVG\u6ee4\u955c\u96be\u7684\u5e76\u4e0d\u662f\u8fd9\u4e9b\u5c5e\u6027\u7684\u638c\u63e1\u548c\u4e86\u89e3\uff0c\u800c\u662f\u5e76\u4e0d\u77e5\u9053\u6ee4\u955c\u672c\u8eab\u662f\u4e2a\u4ec0\u4e48\u4e1c\u897f\uff0c\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/p>\n<p>\u4f8b\u5982\u8fd9\u91cc\u7684<code>feDisplacementMap<\/code>\uff0c\u770b\u540d\u79f0\u8fd9\u4e48\u957f\uff0c\u5413\u90fd\u5413\u6b7b\u4e86\uff0c\u8c01\u8fd8\u6562\u5b66\uff1f<\/p>\n<p><strong>feDisplacementMap\u6ee4\u955c\u7b80\u4ecb<\/strong><\/p>\n<p><code>feDisplacementMap<\/code>\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u4f4d\u7f6e\u66ff\u6362\u6ee4\u955c\uff0c\u5c31\u662f\u6539\u53d8\u5143\u7d20\u548c\u56fe\u5f62\u7684\u50cf\u7d20\u4f4d\u7f6e\u7684\u3002<\/p>\n<p><code>map<\/code>\u542b\u4e49\u548cES5\u4e2d\u6570\u7ec4\u7684<code>map<\/code>\u65b9\u6cd5\u662f\u4e00\u6837\u7684\uff0c\u904d\u5386\u539f\u56fe\u5f62\u7684\u6240\u6709\u50cf\u7d20\u70b9\uff0c\u4f7f\u7528<code>feDisplacementMap<\/code>\u91cd\u65b0\u6620\u5c04\u66ff\u6362\u4e00\u4e2a\u65b0\u7684\u4f4d\u7f6e\uff0c\u5f62\u6210\u4e00\u4e2a\u65b0\u7684\u56fe\u5f62\u3002<\/p>\n<p>\u56e0\u6b64\uff0c<code>feDisplacementMap<\/code>\u6ee4\u955c\u5728\u4e1a\u754c\u7684\u4e3b\u6d41\u5e94\u7528\u662f\u5bf9\u56fe\u5f62\u8fdb\u884c\u5f62\u53d8\uff0c\u626d\u66f2\uff0c\u6db2\u5316\u3002<\/p>\n<p>\u4f8b\u5982\u672c\u6587\u5b9e\u73b0\u7684\u6ce2\u7eb9\u6548\u679c\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u5c06\u539f\u59cb\u56fe\u5f62\u6309\u7167\u6c34\u6ce2\u7684\u6ce2\u7eb9\u5f62\u72b6\u8fdb\u884c\u626d\u66f2\u5b9e\u73b0\u3002<\/p>\n<p>\u800c\u8fd9\u4e2a\u6c34\u6ce2\u6548\u679c\u7684SVG\u6ee4\u955c\u5b9e\u9645\u4e0a\u5c31\u4e00\u5c0f\u64ae\u4ee3\u7801\uff0c\u4f60\u5f80\u9875\u9762\u4e0a\u4efb\u610f\u4f4d\u7f6e\u4e00\u653e\uff0cCSS\u5c31\u8fd9\u4e48\u4e00\u5e94\u7528\uff0c\u6548\u679c\u5c31\u51fa\u6765\u4e86\u3002SVG\u548cCSS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;svg style=\"position:absolute;height:0;clip:rect(0 0 0 0);\"&gt;\r\n    &lt;defs&gt;\r\n        &lt;filter id=\"filter-ripple\"&gt;\r\n            &lt;feImage xlink:href=\".\/map.png\" x=\"0\" y=\"0\" width=\"512\" height=\"512\" result=\"ripple\"&gt;&lt;\/feImage&gt;\r\n            &lt;feDisplacementMap xChannelSelector=\"G\" yChannelSelector=\"R\" color-interpolation-filters=\"sRGB\" in=\"SourceGraphic\" in2=\"ripple\" scale=\"80\"&gt;&lt;\/feDisplacementMap&gt;\r\n            &lt;feComposite operator=\"in\" in2=\"ripple\"&gt;&lt;\/feComposite&gt;\r\n        &lt;\/filter&gt;\r\n    &lt;\/defs&gt;\r\n&lt;\/svg&gt;\r\n\r\n.element {\r\n  filter: url(#filter-ripple);\r\n}<\/pre>\n<p>\u54c8\u54c8\uff0c\u662f\u4e0d\u662f\u6709\u79cd\u770b\u5929\u4e66\u7684\u611f\u89c9\uff0c\u4e0d\u8981\u7d27\u5f20\uff0c\u5176\u5b9e\u90fd\u662f\u7eb8\u8001\u864e\u3002<\/p>\n<h3>\u4e09\u3001SVG feDisplacementMap\u6ee4\u955c\u6df1\u5165\u4e86\u89e3<\/h3>\n<p><code>feDisplacementMap<\/code>\u5bf9\u56fe\u5f62\u8fdb\u884c\u4f4d\u7f6e\u9690\u5c04\uff0c\u90a3\u4e00\u5b9a\u6709\u4e00\u4e2a\u6620\u5c04\u516c\u5f0f\uff0c\u53ea\u8981\u6211\u4eec\u7406\u89e3\u8fd9\u4e2a\u6620\u5c04\u516c\u5f0f\uff0c\u90a3\u57fa\u672c\u4e0a\u4f60\u638c\u63e1\u5c31\u4e0d\u8fdc\u4e86\u3002<\/p>\n<p>\u516c\u5f0f\u5982\u4e0b\uff08\u6458\u81ea<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/SVG\/Element\/feDisplacementMap\" rel=\"nofollow\" target=\"_blank\">MDN\u6587\u6863<\/a>\uff09\uff1a<\/p>\n<pre>P'(x,y) \u2190 P( x + scale * (XC(x,y) - 0.5), y + scale * (YC(x,y) - 0.5))<\/pre>\n<p>\u89e3\u91ca\u4e0b\uff1a<\/p>\n<p>\u00b7 <code>P'(x,y)<\/code>\u6307\u7684\u662f\u8f6c\u6362\u4e4b\u540e\u7684<code>x, y<\/code>\u5750\u6807\u3002<br \/>\n\u00b7 <code>x + scale * (XC(x,y) - 0.5), y + scale * (YC(x,y) - 0.5)<\/code>\u6307\u7684\u662f\u5177\u4f53\u7684\u8f6c\u6362\u89c4\u5219\u3002<br \/>\n\u00b7 <code>XC(x,y)<\/code>\u8868\u793a\u5f53\u524d<code>x,y<\/code>\u5750\u6807\u50cf\u7d20\u70b9\u5176X\u8f74\u65b9\u5411\u4e0a\u8bbe\u7f6e\u7684\u5bf9\u5e94\u901a\u9053\u7684\u8ba1\u7b97\u503c\uff0c\u8303\u56f4\u662f0~1\u3002<br \/>\n\u00b7 <code>YC(x,y)<\/code>\u8868\u793a\u5f53\u524d<code>x,y<\/code>\u5750\u6807\u50cf\u7d20\u70b9\u5176Y\u8f74\u65b9\u5411\u4e0a\u8bbe\u7f6e\u7684\u5bf9\u5e94\u901a\u9053\u7684\u8ba1\u7b97\u503c\uff0c\u8303\u56f4\u662f0~1\u3002<br \/>\n\u00b7 <code>-0.5<\/code>\u662f\u504f\u79fb\u503c\uff0c\u56e0\u6b64<code>XC(x,y) - 0.5<\/code>\u8303\u56f4\u662f<code>-0.5~0.5<\/code>\uff0c<code>YC(x,y) - 0.5<\/code>\u8303\u56f4\u4e5f\u662f<code>-0.5~0.5<\/code>\u3002<br \/>\n\u00b7 <code>scale<\/code>\u8868\u793a\u8ba1\u7b97\u540e\u7684\u504f\u79fb\u503c\u76f8\u4e58\u7684\u6bd4\u4f8b\uff0c<code>scale<\/code>\u8d8a\u5927\uff0c\u5219\u504f\u79fb\u8d8a\u5927\u3002<\/p>\n<p>\u518d\u7528\u4e00\u53e5\u8bdd\u89e3\u91ca\u5c31\u662f\uff0c\u6839\u636e\u8bbe\u5b9a\u7684\u901a\u9053\u989c\u8272\u5bf9\u539f\u56fe\u7684<code>x, y<\/code>\u5750\u6807\u8fdb\u884c\u504f\u79fb\u3002<\/p>\n<p>\u4e0b\u9762\uff0c\u6211\u4eec\u56de\u5230SVG <code>&lt;feDisplacementMap&gt;<\/code>\u6ee4\u955c\u4ee3\u7801\u90e8\u5206\uff1a<\/p>\n<pre>&lt;feDisplacementMap xChannelSelector=\"G\" yChannelSelector=\"R\" color-interpolation-filters=\"sRGB\" in=\"SourceGraphic\" in2=\"ripple\" scale=\"80\"&gt;&lt;\/feDisplacementMap&gt;<\/pre>\n<p>\u6b64\u65f6\uff0c\u8fd9\u6bb5SVG\u4ee3\u7801\u5c31\u5bb9\u6613\u7406\u89e3\u591a\u4e86\uff0c\u4e00\u4e2a\u4e00\u4e2a\u6765\uff1a<\/p>\n<ul>\n<li><code>xChannelSelector<\/code>\u5bf9\u5e94<code>XC(x,y)<\/code>\uff0c\u8868\u793aX\u8f74\u5750\u6807\u4f7f\u7528\u7684\u662f\u54ea\u4e2a\u989c\u8272\u901a\u9053\u8fdb\u884c\u4f4d\u7f6e\u504f\u79fb\u3002\u6211\u4eec\u5e94\u8be5\u90fd\u77e5\u9053\uff0c\u989c\u8272\u6709RGBA\u56db\u4e2a\u901a\u9053\uff0cR\u8868\u793ared\u7ea2\u8272\uff0cG\u8868\u793agreen\u7eff\u8272\uff0cB\u8868\u793ablue\u84dd\u8272\uff0cA\u8868\u793aalpha\u53ef\u4ee5\u7406\u89e3\u4e3a\u900f\u660e\u5ea6\u3002\u56e0\u6b64\uff0c<code>xChannelSelector<\/code>\u5c5e\u6027\u503c\u53ef\u4ee5\u662fR\u3001G\u3001B\u3001A\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\uff0c\u9ed8\u8ba4\u662fA\uff0c\u57fa\u4e8e\u900f\u660e\u5ea6\u8fdb\u884c\u4f4d\u7f6e\u504f\u79fb\u3002\n<p>\u5047\u8bbe<code>xChannelSelector=\"A\"<\/code>\uff0c\u8bf7\u95ee\uff0c\u5982\u679c\u7528\u6765map\u6620\u5c04\u56fe\u7247\u50cf\u7d20\u70b9\u662f\u5b8c\u5168\u4e0d\u900f\u660e\uff0c\u4e5f\u5c31\u662fA\u7684\u503c\u662f1\uff0c\u8bf7\u95ee\uff0c\u6700\u7ec8\u6620\u5c04\u540e\u7684\u56fe\u7247\u662f\u5982\u4f55\u4f4d\u7f6e\u504f\u79fb\u7684\uff1f<\/p>\n<p>\u662f\u539f\u5730\u4e0d\u52a8\u5417\uff1f\u4e0d\u662f\u7684\uff01\u4f1a\u770b\u5230\u539f\u59cb\u56fe\u7247\u6240\u6709\u7684\u50cf\u7d20\u70b9\u90fd\u5f80\u5de6\u79fb\u52a8\u4e86\u3002\u56e0\u4e3a\u6b64\u65f6\u7684<code>XC(x,y)<\/code>\u662f<code>1<\/code>\uff0c\u5957\u7528\u516c\u5f0f\uff0c<code>x + scale * (XC(x,y) - 0.5) = x + scale * 0.5<\/code>\uff0c\u6b64\u65f6<code>scale<\/code>\u4e3a<code>80<\/code>\u3002\u4e5f\u5c31\u662f\u539f\u6765\u7684<code>0,0<\/code>\u5750\u6807\u53d8\u6210\u4e86<code>40,0<\/code>\u5750\u6807\uff0c\u4e8e\u662f\uff0c\u539f\u59cb\u56fe\u7247\u6240\u6709\u70b9\u90fd\u5f80\u5de6\u79fb\u52a8\u4e86<code>40<\/code>\u50cf\u7d20\u3002<\/p>\n<p>\u6ce8\u610f\u8fd9\u91cc\u7684\u4f4d\u79fb\u903b\u8f91\uff0c\u504f\u79fb\u4e3a\u6b63\uff0c\u662f\u53cd\u5411\u7684\u4f4d\u79fb\u3002<\/p>\n<p>\u4ec0\u4e48\u65f6\u5019\u56fe\u7247\u539f\u5730\u4e0d\u52a8\u5462\uff0c\u90a3\u5c31\u662f\u56fe\u7247\u900f\u660e\u5ea6\u662f<code>0.5<\/code>\u7684\u65f6\u5019\uff0c\u4e5f\u5c31\u662f<code>50%<\/code>\u900f\u660e\u3002\u6b64\u65f6<code>scale * (XC(x,y) - 0.5)<\/code>\u7684\u8ba1\u7b97\u503c\u662f<code>0<\/code>.\n<\/li>\n<li><code>yChannelSelector<\/code>\u548c<code>xChannelSelector<\/code>\u7c7b\u4f3c\uff0c\u53ea\u662f\u4e00\u4e2a\u662fx\u8f74\uff08\u6a2a\u8f74\uff09\u65b9\u5411\uff0c\u4e00\u4e2a\u662fy\u8f74\uff08\u7eb5\u8f74\uff09\u65b9\u5411\uff0c\u5176\u5b83\u90fd\u7c7b\u4f3c\uff0c\u4e0d\u8d58\u8ff0\u3002<\/li>\n<li><code>color-interpolation-filters<\/code>\u8868\u793a\u6ee4\u955c\u5bf9\u989c\u8272\u8fdb\u884c\u8ba1\u7b97\u65f6\u5019\u91c7\u7528\u7684\u989c\u8272\u6a21\u5f0f\u7c7b\u578b\u3002\u5206\u4e3a<code>linearRGB<\/code>\uff08\u9ed8\u8ba4\u503c\uff09\u548c<code>sRGB<\/code>\uff0c<code>sRGB<\/code>\u662f\u6211\u4eec\u5e73\u5e38\u7528\u7684RGB\u989c\u8272\uff0c\u56e0\u6b64\uff0c\u8fd9\u91cc\u8bbe\u7f6e\u4e3a<code>sRGB<\/code>\u65b9\u4fbf\u6211\u4eec\u7406\u89e3\uff1b\n<p><strong>\u7fcc\u65e5\u66f4\u65b0<\/strong><br \/>\n\u6d4b\u8bd5\u53d1\u73b0\u76ee\u524d\u6700\u65b0\u7248\u672cSafari 11\u5e76\u4e0d\u652f\u6301<code>sRGB<\/code>\uff0c\u53ea\u80fd\u4ee5<code>linearRGB<\/code>\u6e32\u67d3\u3002<\/p>\n<p>\u52a0\u4e0a\u76ee\u524dSafari 11\u4ec5\u652f\u6301SVG\u5143\u7d20\u6ee4\u955c\u3002\u56e0\u6b64\uff0c\u82e5\u60f3\u4f7fSafari\u6d4f\u89c8\u5668\u4e0b\u6709\u5b8c\u5168\u4e00\u81f4\u7684\u6548\u679c\uff0c\u9700\u8981\uff1a1. \u4f7f\u7528SVG\u5143\u7d20\uff1b2. <code>linearRGB<\/code>\u901a\u9053\u503c\u8f6c\u6362\u6210\u5bf9\u5e94\u7684<code>sRGB<\/code>\u503c\u3002<\/p>\n<p>\u5bf9\u4e8e\u5355\u4e00\u56fe\u7247\u5143\u7d20\uff0c\u7b80\u5355\u56fe\u5f62\uff0c\u53ef\u884c\uff08\u5982\u6700\u540e\u7684\u9cb8\u9c7c\u6e38\u52a8\u6548\u679c\uff09\u3002\u590d\u6742HTML\u5143\u7d20\uff0c\u5efa\u8bae\u653e\u5f03Safari\u3002<\/p>\n<p>\u66f4\u591alinearRGB\u548csRGB\u77e5\u8bc6\u53ef\u4ee5\u53c2\u89c1\u8fd9\u7bc7\u6587\u7ae0\uff1a\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=6646\">\u4e86\u89e3LinearRGB\u548csRGB\u4ee5\u53ca\u4e4b\u95f4\u7684JS\u76f8\u4e92\u8f6c\u6362<\/a>\u201d\u3002<\/li>\n<li><code>in<\/code>\u548c<code>in2<\/code>\u90fd\u8868\u793a\u8f93\u5165\uff0c\u652f\u6301\u7684\u5c5e\u6027\u503c\u4e5f\u90fd\u662f\u4e00\u6837\u7684\uff0c\u5305\u62ec\u56fa\u5b9a\u7684\u5c5e\u6027\u503c\u5173\u952e\u5b57<code>SourceGraphic<\/code>\uff0c<code>SourceAlpha<\/code>\uff0c<code>BackgroundImage<\/code>\uff0c<code>BackgroundAlpha<\/code>\uff0c<code>FillPaint<\/code>\uff0c<code>StrokePaint<\/code>\uff1b\u4ee5\u53ca\u81ea\u5b9a\u4e49\u7684\u6ee4\u955c\u7684\u539f\u59cb\u5f15\u7528\uff0c\u4f8b\u5982\u8fd9\u91cc\u7684<code>ripple<\/code>\uff0c\u5f15\u7528\u7684\u5c31\u662f<code>&lt;feImage&gt;<\/code>\u5143\u7d20\u8f93\u51fa\u7684<code>result<\/code>\u503c\u3002\n<p>\u90a3<code>in<\/code>\u548c<code>in2<\/code>\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f<\/p>\n<p>\u8fd9\u4e2a\u9700\u8981\u770bSVG\u5143\u7d20\u7684\uff0c\u5bf9\u4e8e<code>&lt;feDisplacementMap&gt;<\/code>\u5143\u7d20\uff0c<code>in<\/code>\u8868\u793a\u8f93\u5165\u7684\u539f\u59cb\u56fe\u5f62\uff0c<code>in2<\/code>\u8868\u793a\u7528\u6765\u6620\u5c04\u7684\u56fe\u5f62\u3002<\/p>\n<p>\u81f3\u4e8e\u5b83\u4eec\u7684\u5c5e\u6027\u503c\uff0c\u76ee\u524d\u9636\u6bb5\uff0c\u5927\u5bb6\u65e0\u9700\u6df1\u5165\u4e86\u89e3\u6bcf\u4e2a\u5c5e\u6027\u503c\u7684\u4f5c\u7528\uff0c\u8bb0\u4f4f\u4f7f\u7528<code>in=\"SourceGraphic\"<\/code>\u5c31\u597d\u4e86\uff0c\u4e5f\u5c31\u662f\u4f7f\u7528\u8be5<code>filter<\/code>\u5143\u7d20\u7684\u56fe\u5f62\u4f5c\u4e3a\u539f\u59cb\u56fe\u50cf\u3002<code>in2<\/code>\u5c5e\u6027\u503c\u4e5f\u4e00\u5b9a\u662f<code>&lt;feImage&gt;<\/code>\u5143\u7d20\u7684<code>result<\/code>\u5c5e\u6027\u503c\u5c31\u597d\u4e86\u3002\n<\/li>\n<li><code>scale<\/code>\u5f88\u597d\u7406\u89e3\uff0c\u5c31\u662f\u516c\u5f0f\u91cc\u9762\u7684\u7f29\u653e\u6bd4\u4f8b\uff0c\u53ef\u6b63\u53ef\u8d1f\uff0c\u9ed8\u8ba4\u662f<code>0<\/code>\u3002\u901a\u5e38\u4f7f\u7528\u6b63\u6570\u503c\u5904\u7406\uff0c\u503c\u8d8a\u5927\uff0c\u504f\u79fb\u8d8a\u5927\u3002<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u6848\u4f8b\uff0c\u52a0\u6df1\u5bf9<code>&lt;feDisplacementMap&gt;<\/code>\u6ee4\u955c\u5404\u4e2a\u5c5e\u6027\u503c\u7684\u7406\u89e3\uff0c\u4e3b\u8981\u662f<code>xChannelSelector<\/code>\uff0c<code>yChannelSelector<\/code>\u548c<code>scale<\/code>\u8fd93\u4e2a\u5c5e\u6027\u3002<\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u7684Map\u6620\u5c04\u56fe\u7247\u662f\u4e0b\u9762\u8fd9\u5f20\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201712\/map.png\" width=\"256\" height=\"256\" alt=\"\u6620\u5c04\u56fe\u7247\" class=\"alignnone\" \/><\/p>\n<p>\u5de6\u8fb9\u4e00\u534a\u989c\u8272\u662fRGB(255,127,127)\uff0c\u4e5f\u5c31\u662fR\u901a\u9053\u503c\u662f<code>1<\/code>\uff0cG\u548cB\u901a\u9053\u8ba1\u7b97\u503c\u662f<code>0.5<\/code>\uff0c\u53f3\u534a\u8fb9\u5219\u662f\u5b8c\u5168\u900f\u660e\u3002<\/p>\n<p>\u5957\u7528\u4e0b\u9762\u7684SVG\u4ee3\u7801\uff1a<\/p>\n<pre name=\"code\" class=\"html\">\r\n&lt;svg&gt;\r\n    &lt;defs&gt;\r\n        &lt;filter id=\"filter-ripple\"&gt;\r\n            &lt;feImage xlink:href=\".\/map.png\" x=\"0\" y=\"0\" width=\"256\" height=\"256\" result=\"ripple\"&gt;&lt;\/feImage&gt;\r\n            &lt;feDisplacementMap <span style=\"color:#cd0000;\">xChannelSelector=\"R\" yChannelSelector=\"G\"<\/span> color-interpolation-filters=\"sRGB\" in=\"SourceGraphic\" in2=\"ripple\" scale=\"80\"&gt;&lt;\/feDisplacementMap&gt;\r\n            &lt;feComposite operator=\"in\" in2=\"ripple\"&gt;&lt;\/feComposite&gt;\r\n        &lt;\/filter&gt;\r\n    &lt;\/defs&gt;\r\n&lt;\/svg&gt;\r\n&lt;svg width=\"256\" height=\"192\" style=\"outline:1px dotted;\"&gt;\r\n    &lt;image xlink:href=\"https:\/\/image.zhangxinxu.com\/image\/study\/s\/s256\/mm1.jpg\" width=\"256\" height=\"192\" filter=\"url(#filter-ripple)\"&gt;&lt;\/image&gt; \r\n&lt;\/svg&gt;<\/pre>\n<p>\u7ed3\u679c\uff0c\u5f53<code>scale<\/code>\u4e3a<code>0<\/code>\u7684\u65f6\u5019\uff0c\u6548\u679c\u8fd9\u6837\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201712\/2017-12-18_001229.png\" width=\"374\" height=\"338\" alt=\"scale\u4e3a0\u7684\u65f6\u5019\u6548\u679c\" class=\"alignnone\" \/><\/p>\n<p>\u5f53<code>scale<\/code>\u4e3a<code>200<\/code>\u7684\u65f6\u5019\uff0c\u6548\u679c\u8fd9\u6837\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201712\/2017-12-18_001243.png\" width=\"373\" height=\"348\" alt=\"200 scale\u65f6\u5019\u6548\u679c\" class=\"alignnone\" \/><\/p>\n<p>\u6548\u679c\u8868\u73b0\u4e3a2\u4e2a\u7279\u70b9\uff1a<\/p>\n<ol>\n<li>\u53f3\u534a\u533a\u57df\u4e00\u76f4\u90fd\u662f\u900f\u660e\u7684\u3002\u5f53\u5e94\u7528<code>feDisplacementMap<\/code>\u6ee4\u955c\u7684\u901a\u9053\u4e0d\u662f\u900f\u660e\u5ea6\u65f6\u5019\uff0c\u6620\u5c04\u6548\u679c\u4f1a\u628a\u8fd9\u4e2a\u900f\u660e\u5ea6\u7ee7\u627f\u8fc7\u6765\u3002\u4f8b\u5982\uff0c\u5047\u8bbemap.png\u53f3\u534a\u533a\u57df\u989c\u8272\u662f<code>rgba(255,127,127,.1)<\/code>\uff0c\u5219\u6548\u679c\u4f1a\u662f\u4e0b\u56fe\u8fd9\u6837\uff1a\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201712\/2017-12-18_002349.png\" width=\"366\" height=\"342\" alt=\"\u6709\u900f\u660e\u5ea6\u65f6\u5019\u7684\u6548\u679c\" class=\"alignnone\" \/><\/li>\n<li>\u5e94\u7528\u6ee4\u955c\u7684\u56fe\u7247\u53ea\u662f\u5355\u7eaf\u7684\u6c34\u5e73\u79fb\u52a8\u3002\u4e3a\u4ec0\u4e48\u5462\uff1f\n<p>\u8fd9\u662f\u56e0\u4e3a<code>xChannelSelector=\"R\"<\/code>\uff0c<code>yChannelSelector=\"G\"<\/code>\uff0c\u6c34\u5e73\u65b9\u5411\u57fa\u4e8e<code>\"R\"<\/code>\u989c\u8272\u901a\u9053\u8fdb\u884c\u4f4d\u79fb\uff0c\u5782\u76f4\u65b9\u5411\u57fa\u4e8e<code>\"G\"<\/code>\u989c\u8272\u901a\u9053\u8fdb\u884c\u4f4d\u79fb\u3002<\/p>\n<p>\u7531\u4e8eRGB(255,127,127)\u989c\u8272\u7684R\u503c\u662f<code>1<\/code>\uff0cG\u503c\u662f<code>0.5<\/code>\uff0c\u4e5f\u5c31\u662f<code>XC(x,y)<\/code>\u662f<code>1<\/code>\uff0c<code>YC(x,y)<\/code>\u662f<code>0.5<\/code>\uff0c\u5957\u7528\u516c\u5f0f<code>P( x + scale * (XC(x,y) - 0.5), y + scale * (YC(x,y) - 0.5))<\/code>\uff0c\u53ef\u4ee5\u5f97\u5230\u7ec8\u5750\u6807\u4e3a\uff1a<code>P( x + scale * 0.5, y + 0)<\/code>\uff0c\u4e8e\u662f\u968f\u7740<code>scale<\/code>\u53d8\u5316\uff0c\u6700\u7ec8\u56fe\u7247\u4ec5\u5728\u6c34\u5e73\u65b9\u5411\u53d1\u751f\u4e86\u79fb\u52a8\u3002\n<\/li>\n<\/ol>\n<p>\u773c\u89c1\u4e3a\u5b9e\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/201712\/feDisplacementMap-example.html\" rel=\"noopener\" target=\"_blank\">feDisplacementMap\u6ee4\u955c\u4f5c\u7528\u539f\u7406\u793a\u610fdemo<\/a><\/p>\n<h4>\u66f4\u591a\u6ee4\u955c\u6548\u679c\u5c55\u793a<\/h4>\n<p>\u4e3a\u4e86\u65b9\u4fbf\u5927\u5bb6\u66f4\u76f4\u89c2\u611f\u53d7\u6ee4\u955c\u5e26\u6765\u7684\u626d\u66f2\u6548\u679c\uff0c\u6211\u5236\u4f5c\u4e86\u5f88\u591a\u5404\u5f0f\u5404\u6837\u7684\u6620\u5c04\u56fe\uff0c\u5927\u5bb6\u53ef\u4ee5\u4f53\u9a8c\u4e0b\u5e94\u7528\u6ee4\u955c\u540e\u7684\u6548\u679c\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/201712\/feDisplacementMap.html\" rel=\"noopener\" target=\"_blank\">feDisplacementMap\u6ee4\u955c\u6548\u679c\u8d70\u9a6c\u89c2\u82b1demo<\/a><\/p>\n<p>\u67d0\u6548\u679c\u622a\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201801\/2018-01-10_235124.png\" width=\"319\" height=\"315\" alt=\"\u67d0\u6ee4\u955c\u5e94\u7528\u540e\u6548\u679c\u622a\u56fe\" class=\"alignnone\" \/><\/p>\n<p>\u767d\u8272RGB\u503c\u6700\u5927<code>255<\/code>\uff0c\u9ed1\u8272RGB\u503c\u6700\u5c0f<code>0<\/code>,\u3002\u4e5f\u5c31\u662f\u5bf9\u4e8e\u9ed1\u767d\u56fe\u7247\u800c\u8a00\uff0c\u989c\u8272\u8d8a\u6df1\uff0c\u5bf9\u5e94\u7684\u56fe\u7247\u533a\u57df\u8d8a\u5f80\u53f3\u4e0b\u65b9\u79fb\u52a8\uff1b\u989c\u8272\u8d8a\u6d45\uff0c\u5bf9\u5e94\u7684\u56fe\u7247\u533a\u57df\u8d8a\u5f80\u5de6\u4e0a\u65b9\u79fb\u52a8\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4e0a\u9762\u4eba\u7269\u7684\u626d\u66f2\u6548\u679c\u5c31\u597d\u7406\u89e3\u4e86\u3002<\/p>\n<p>\u4ec0\u4e48\u65f6\u5019\u56fe\u7247\u4e0d\u79fb\u52a8\u5462\uff1f<\/p>\n<p>\u90a3\u5c31\u662f\u6211\u4eec\u7684<code>&lt;feImage&gt;<\/code>\u989c\u8272\u662f<code>50<\/code>\u5ea6\u7070\u7684\u65f6\u5019\uff0cRGB\u8868\u793a\u4e3a<code>rgb(127,127,127)<\/code>\uff0c16\u8fdb\u5236\u8272\u503c\u4e3a<code>#7f7f7f<\/code>\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728<code>feDisplacementMap<\/code>\u4e16\u754c\u91cc\uff0c\u4e94\u5341\u5ea6\u7070\u53ef\u4ee5\u7b49\u540c\u4e8e\u201c\u7eb9\u4e1d\u4e0d\u52a8\u201d\u7684\u610f\u601d\uff0c\u4f8b\u5982\uff0c\u4eba\u88ab\u6346\u7ed1\u7684\u65f6\u5019\u662f\u4e0d\u80fd\u52a8\u7684\u3002<\/p>\n<h4>\u6700\u7ec8\u6548\u679c\u8fd8\u4e0e<code>&lt;feImage&gt;<\/code>\u5c3a\u5bf8\u548c\u4f4d\u7f6e\u6709\u5173<\/h4>\n<p>\u5047\u5982\u8bf4\u6211\u4eec\u56fe\u7247\u5f88\u5c0f\uff0c<code>&lt;feImage&gt;<\/code>\u5c3a\u5bf8\u5f88\u5927\uff0c\u5219\u4ec5\u539f\u56fe\u548c<code>&lt;feImage&gt;<\/code>\u5bf9\u5e94\u7684\u50cf\u7d20\u4f4d\u7f6e\u4f1a\u53d1\u751f\u4f4d\u79fb\u3002\u6240\u4ee5\uff0c\u901a\u5e38\uff0c\u6211\u4eec\u4f1a\u8bbe\u7f6e<code>&lt;feImage&gt;<\/code>\u5c3a\u5bf8\u548c\u88ab\u5e94\u7528\u56fe\u5f62\u5143\u7d20\u5c3a\u5bf8\u4e00\u81f4\uff0c\u5f53\u7136\uff0c\u8fd9\u5e76\u4e0d\u7edd\u5bf9\u3002<\/p>\n<h3>\u56db\u3001\u6c34\u6ce2\u7279\u6548\u7684\u5b9e\u73b0<\/h3>\n<p>\u5b9e\u73b0\u6c34\u6ce2\u7279\u6548\u96be\u70b9\u4e0d\u5728\u4e8e\u6ee4\u955c\uff0c\u800c\u5728\u4e8e<code>&lt;feImage&gt;<\/code>\u56fe\u7247\u3002<\/p>\n<p>\u5982\u679c\u5bf9\u6700\u7ec8\u7684\u6c34\u6ce2\u7279\u6548\u8981\u6c42\u4e0d\u662f\u5f88\u9ad8\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528SVG\u7ed8\u5236\u4e00\u4e2a\u5d4c\u5957\u73af\u5f62\u6e10\u53d8\uff0c\u5b8c\u6574\u6ee4\u955c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;svg width=\"256\" height=\"192\"&gt;\r\n  &lt;defs&gt;\r\n    &lt;radialGradient id=\"rg\" r=\".9\"&gt; \r\n      &lt;stop offset=\"0%\" stop-color=\"#f00\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"10%\" stop-color=\"#000\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"20%\" stop-color=\"#f00\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"30%\" stop-color=\"#000\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"40%\" stop-color=\"#f00\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"50%\" stop-color=\"#000\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"60%\" stop-color=\"#f00\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"70%\" stop-color=\"#000\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"80%\" stop-color=\"#f00\"&gt;&lt;\/stop&gt;\r\n      &lt;stop offset=\"90%\" stop-color=\"#000\"&gt;&lt;\/stop&gt; \r\n      &lt;stop offset=\"100%\" stop-color=\"#f00\"&gt;&lt;\/stop&gt;\r\n    &lt;\/radialGradient&gt;                        \r\n    &lt;rect id=\"witness\" width=\"256\" height=\"192\" fill=\"url(#rg)\"&gt;&lt;\/rect&gt;\r\n\r\n     &lt;filter id=\"filter-ripple\"&gt;\r\n          &lt;feImage result=\"pict2\" xlink:href=\"#witness\" x=\"0\" y=\"0\" width=\"256\" height=\"192\"&gt;&lt;\/feImage&gt;\r\n          &lt;feDisplacementMap scale=\"10\" xChannelSelector=\"R\" yChannelSelector=\"R\" in2=\"pict2\" in=\"SourceGraphic\"&gt;\r\n       &lt;\/feDisplacementMap&gt;\r\n    &lt;\/filter&gt;    \r\n  &lt;\/defs&gt;\r\n&lt;\/svg&gt;<\/pre>\n<p><code>x<\/code>\u8f74\uff0c<code>y<\/code>\u8f74\u5747\u91c7\u7528\u7ea2\u8272\u4f5c\u4e3a\u6620\u5c04\u901a\u9053\uff0c\u7ed8\u5236\u7684\u6e10\u53d8\u73af\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201712\/2017-12-18_010533.jpg\" width=\"263\" height=\"198\" alt=\"\u7ea2\u8272\u6e10\u53d8\u73af\u6c34\u6ce2\" class=\"alignnone\" \/><\/p>\n<p>\u7136\u540e10\u500d<code>scale<\/code>\u540e\u7684\u626d\u66f2\u6548\u679c\u5927\u6982\u8fd9\u6837\u5b50\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201801\/2018-01-11_000149.jpg\" width=\"264\" height=\"197\" alt=\"\u5e94\u7528\u7b80\u6613\u6ce2\u7eb9\u56fe\u540e\u7684\u6548\u679c\" class=\"alignnone\" \/><\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/201712\/svg-gradient-feimage-ripple.html\" rel=\"noopener\" target=\"_blank\">\u7b80\u6613\u6c34\u6ce2\u626d\u66f2demo<\/a><\/p>\n<p>\u7136\u540e\u914d\u5408JS\u6539\u53d8\u6e10\u53d8\u504f\u79fb\u6216\u8005<code>feDisplacementMap<\/code>\u7684<code>scale<\/code>\u503c\uff0c\u90fd\u80fd\u6709\u6c34\u6ce2\u6548\u679c\u3002<\/p>\n<p>\u7136\u800c\u4e0a\u9762\u5b9e\u73b0\u7684\u8fd9\u4e2a\u6c34\u6ce2\u6548\u679c\u5b9e\u9645\u4e0a\u662f\u6bd4\u8f83\u7c97\u7cd9\u7684\uff0c\u771f\u6b63\u4e1a\u754c\u7528\u6765\u5b9e\u73b0\u6c34\u6ce2\u6548\u679c\u51e0\u4e4e\u90fd\u662f\u7528\u7684\u4e0b\u9762\u8fd9\u5f20<code>&lt;feImage&gt;<\/code>\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201712\/ripple.jpg\" width=\"256\" height=\"256\" alt=\"\u4e1a\u754c\u4f7f\u7528\u6c34\u6ce2\u7279\u6548\u56fe\" class=\"alignnone\" \/><\/p>\n<p>\u4e2d\u95f4\u533a\u57df\u4f7f\u7528\u4e94\u5341\u5ea6\u7070\u8272\uff0c\u7ea2\u8272\u8272\u5e26\u9525\u5f62\u4ea4\u9519\uff0c\u4e2d\u95f4\u662f\u9ed1\u8272\u5e26\u3002<code>x<\/code>\u8f74\uff0c<code>y<\/code>\u8f74\u91c7\u7528\u7ea2\u8272\u548c\u7eff\u8272\u901a\u9053\u6765\u6620\u5c04\uff0c\u6700\u7ec8\u5f62\u6210\u7684\u6c34\u6ce2\u6548\u679c\u5c31\u975e\u5e38\u63a5\u8fd1\u4e8e\u81ea\u7136\u4e16\u754c\u4e2d\u7684\u6c34\u6ce2\u6d9f\u6f2a\u3002<\/p>\n<p>\u7136\u800c\uff0c\u4e1a\u754c\u901a\u5e38\u89e3\u51b3\u65b9\u6848\u5c31\u662f\u4f7f\u7528\u4e00\u5f20PNG\u56fe\u7247\u6765\u89e3\u51b3\u95ee\u9898\uff0c\u4f46\u4f1a\u5e26\u6765\u53e6\u5916\u4e00\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u8fd9\u5f20\u56fe\u7247\u7684\u5c3a\u5bf8\u5b9e\u5728\u662f\u592a\u5927\u4e86\uff0c\u5982\u679c\u662f512*512\u89c4\u683c\uff0c\u5219PNG\u56fe\u7247\u5927\u5c0f\u7531212K\uff0c\u8fd9\u662f\u975e\u5e38\u60ca\u4eba\u7684\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u5c0f\u5c0f\u7684\u6c34\u6ce2\u7279\u6548\uff0c\u5982\u679c\u52a0\u8f7d\u7684\u8d44\u6e90\u975e\u5e38\u5927\uff0c\u90a3\u662f\u6027\u4ef7\u6bd4\u975e\u5e38\u4f4e\u7684\u4e00\u4ef6\u4e8b\u60c5\u3002\u800c\u4e14\u7531\u4e8e\u8fd9\u5f20\u56fe\u7247\u8272\u5f69\u975e\u5e38\u4e30\u5bcc\uff0c\u662f\u65e0\u6cd5\u8fdb\u884cPNG\u538b\u7f29\u7684\u3002\u5bfc\u81f4\u65e0\u6cd5\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u5927\u89c4\u6a21\u5e94\u7528\u3002<\/p>\n<p>\u90a3\u6709\u4ec0\u4e48\u529e\u6cd5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u5462\uff1f<\/p>\n<p>\u6709\uff01<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>canvas<\/code>\u628a\u8fd9\u4e2a\u7ecf\u5178\u7684\u6c34\u6ce2\u6620\u5c04\u56fe\u7ed8\u5236\u5728\u753b\u5e03\u4e0a\uff0c\u7136\u540e\u8f6c\u6362\u6210base64\u5730\u5740\uff0c\u8d4b\u4e88<code>&lt;feImage&gt;<\/code>\u5143\u7d20\u7684<code>xlink:href<\/code>\u5c5e\u6027\u5373\u53ef\uff01<\/p>\n<p>\u7ed8\u5236\u5206\u4e09\u6b65\uff1a1. 50\u5ea6\u7070\u8272\u80cc\u666f\uff1b2. \u7ea2\u7eff\u76f8\u95f4\u9525\u5f62\u6e10\u53d8\uff1b3. \u4ea4\u9519\u6697\u8272\u6761\u7eb9\u3002<\/p>\n<p>\u5177\u4f53\u7ec6\u8282\u4e0d\u8868\u3002\u7136\u540e\u4e0b\u56fe\u5c31\u662f\u6211\u7ed8\u5236\u51fa\u6765\u7684\u6700\u7ec8\u6548\u679c\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201712\/2017-12-18_012319.jpg\" width=\"264\" height=\"256\" alt=\"\u5f20\u946b\u65ed\u4f7f\u7528canvas\u7ed8\u5236\u6620\u5c04\u56fe\" class=\"alignnone\" \/><\/p>\n<p>\u4e8e\u662f<code>&lt;feImage&gt;<\/code>\u56fe\u7247\u73b0\u5728\u53ea\u9700\u8981\u51e0\u5341\u884cJS\u4ee3\u7801\u5c31\u53ef\u4ee5\u5f97\u5230\u4e86\uff0c\u5b9e\u9645\u9879\u76ee\u4e2d\u5927\u89c4\u6a21\u5e94\u7528\u6c34\u6ce2\u7279\u6548\u7684\u6210\u672c\u5c31\u5927\u5927\u964d\u4f4e\u4e86\uff0c\u57fa\u672c\u4e0a\u53ef\u4ee5\u5728\u4efb\u4f55\u9879\u76ee\u4e2d\u6e10\u8fdb\u589e\u5f3a\u4f7f\u7528\u3002<\/p>\n<h4 id=\"howUseR\">\u9879\u76ee\u4e2d\u5e94\u7528\u6c34\u6ce2\u7279\u6548<\/h4>\n<p>\u5f88\u7b80\u5355\uff0c\u6211\u5df2\u7ecf\u628a\u6c34\u6ce2\u7279\u6548\u529f\u80fd\u5199\u6210\u4e00\u6bb5JS\u4e86\uff0c<a href=\"https:\/\/www.zhangxinxu.com\/study\/201712\/ripple-min.js\" rel=\"noopener\" target=\"_blank\">ripple-min.js<\/a>\uff0c\u76f4\u63a5\u5f15\u5165\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e86\u3002\u4ee3\u7801\u793a\u610f\u5982\u4e0b\uff1a<\/p>\n<p>1. \u5f15\u5165JS<\/p>\n<pre>&lt;script src=\".\/ripple-min.js\"&gt;&lt;\/script&gt;<\/pre>\n<p>2. \u8c03\u7528rippleEffect\u65b9\u6cd5\uff0c\u8bed\u6cd5\u4e3a\uff1a<\/p>\n<pre>rippleEffect(dom);<\/pre>\n<p><code>dom<\/code>\u8868\u793a\u9875\u9762\u4e0a\u5e0c\u671b\u70b9\u51fb\u51fa\u73b0\u6c34\u6ce2\u7684DOM\u5143\u7d20\uff0c\u5c31\u8fd9\u4e48\u7b80\u5355\u3002\u4f8b\u5982\u4e0b\u9762\u6548\u679c\u4f7f\u7528JS\u5c31\u662f\uff1a<\/p>\n<pre>rippleEffect(document.getElementById('button'));\r\nrippleEffect(document.getElementById('img'));<\/pre>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.zhangxinxu.com\/study\/201712\/ripple-include.php\" frameborder=\"0\" width=\"300\" height=\"280\"><\/iframe><\/p>\n<p><strong>\u6c34\u6ce2\u7279\u6548\u57fa\u672c\u539f\u7406<\/strong><br \/>\n\u63d2\u5165SVG\u6ee4\u955c\u76f8\u5173\u4ee3\u7801\uff0c\u5f53\u70b9\u51fb\u76ee\u6807\u5143\u7d20\u65f6\u5019\uff0c\u6839\u636e\u76ee\u6807\u5143\u7d20\u5c3a\u5bf8\uff0c\u786e\u5b9a<code>&lt;feDisplacementMap&gt;<\/code>\u5143\u7d20\u7684\u5408\u9002\u7684<code>scale<\/code>\u5927\u5c0f\uff0c\u4ee5\u53ca<code>&lt;feImage&gt;<\/code>\u7684\u504f\u79fb\u4f4d\u7f6e\u548c\u5927\u5c0f\uff0c\u501f\u52a9\u6211\u5728\u8fd9\u4e2a\u9879\u76ee\uff08<a href=\"https:\/\/github.com\/zhangxinxu\/Tween\" rel=\"noopener\" target=\"_blank\">https:\/\/github.com\/zhangxinxu\/Tween<\/a>\uff09\u4e2d\u7684<code>animation.js<\/code>\u548c\u7ebf\u6027\u8fd0\u52a8\u7b97\u6cd5\uff0c\u5b9e\u73b0\u5c5e\u6027\u503c\u7684\u8fde\u7eed\u53d8\u5316\u3002<\/p>\n<p>\u4e8e\u662f\u6ce2\u7eb9\u6548\u679c\u8fbe\u6210\u3002<\/p>\n<p><strong>\u6c34\u6ce2\u7279\u6548\u517c\u5bb9\u6027<\/strong><br \/>\nPC\u7aef\uff0cChrome\u548cFirefox\u6d4f\u89c8\u5668\u652f\u6301\u5f88\u597d\uff01Safari\u6d4f\u89c8\u5668\u4ec5\u4ec5\u652f\u6301SVG\u5143\u7d20\u5e94\u7528<code>filter<\/code>\u5c5e\u6027\u7684\u6548\u679c\uff0c\u5bf9\u4e8e\u666e\u901a\u5143\u7d20\uff0c\u867d\u7136\u80fd\u591f\u8bc6\u522b<code>filter<\/code>\u6837\u5f0f\uff0c\u4f46\u662f\u6e32\u67d3\u4e0a\u662f\u6709\u660e\u663e\u95ee\u9898\u7684\uff0c\u5143\u7d20\u4f1a\u76f4\u63a5\u770b\u4e0d\u89c1\uff0c\u4e5f\u5c31\u662f\u5e76\u4e0d\u652f\u6301\u3002PC\u548c\u79fb\u52a8\u7aef\u5747\u4f5c\u4e86\u6d4b\u8bd5\uff0c\u7248\u672c11\uff0c\u5747\u4e0d\u652f\u6301\u3002\u5e94\u8be5\u4ee5\u540e\u4f1a\u652f\u6301\u3002<\/p>\n<p>\u56e0\u6b64\u7279\u6548\u6700\u5927\u7684\u53d7\u76ca\u7f51\u7ad9\u8fd8\u662fPC\u7aef\u7f51\u9875\u9879\u76ee\uff0c\u56e0\u4e3a\u73b0\u5728\u5f88\u591a\u7f51\u7ad9\u4e03\u516b\u6210\u7528\u6237\u90fd\u662fchrome\u5185\u6838\u3002\u5bf9\u4e8e\u4e0d\u652f\u6301\u6b64\u7279\u6548\u7684\u6d4f\u89c8\u5668\uff0c\u5bf9\u539f\u6709\u7684\u529f\u80fd\u548c\u6548\u679c\u5e76\u65e0\u4efb\u4f55\u5f71\u54cd\uff0c\u56e0\u6b64\u53ef\u4ee5\u653e\u5fc3\u5927\u80c6\u4f7f\u7528\u3002<\/p>\n<p><code>ripple-min.js<\/code>\u5927\u5c0f\u4ec5\u51e0K\u5927\u5c0f\uff0c\u5bf9\u4e8e\u5982\u4eca\u7684web\u5e94\u7528\u800c\u8a00\uff0c\u5927\u5c0f\u57fa\u672c\u4e0a\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002\u53ef\u4ee5\u8bf4\u662f\u4e00\u4e2a\u4f4e\u6210\u672c\uff0c\u4f4e\u5f71\u54cd\uff0c\u9ad8\u6536\u76ca\uff0c\u9002\u7528\u5e7f\u6cdb\u7684\u4ea4\u4e92\u6548\u679c\u3002<\/p>\n<h3>\u4e94\u3001\u5176\u5b83\u6ee4\u955c\u6548\u679c\u7684\u5b9e\u73b0<\/h3>\n<p>\u77e5\u9053\u4e86<code>feDisplacementMap<\/code>\u6ee4\u955c\u4f5c\u7528\u539f\u7406\uff0c\u6211\u4eec\u5c31\u80fd\u5728\u8fd9\u4e2a\u57fa\u7840\u4e0a\u8fdb\u884c\u521b\u9020\uff0c\u5b9e\u73b0\u5176\u5b83\u4e00\u4e9b\u6211\u4eec\u60f3\u5b9e\u73b0\u7684\u6548\u679c\u3002\u4f8b\u5982\uff1a<\/p>\n<p>\u70b9\u51fb\u6b64\u94fe\u63a5\uff1a<a href=\"https:\/\/www.cssworld.cn\/\" rel=\"noopener\" target=\"_blank\">https:\/\/www.cssworld.cn\/<\/a><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u4e2d\u95f4\u7684\u9cb8\u9c7c\u5c3e\u5df4\u662f\u4e0a\u4e0b\u6e38\u52a8\u7684\u3002<\/p>\n<p><!-- <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201712\/2017-12-18_013758.png\" width=\"487\" height=\"228\" alt=\"\u6e38\u52a8\u7684\u9cb8\u9c7c\u6548\u679c\" class=\"alignnone\" \/> --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202003\/fish-swim.gif\" width=\"469\" height=\"232\" alt=\"\u6e38\u5f0b\u7684\u9cb8\u9c7c\" class=\"alignnone\" \/><\/p>\n<p><strong>\u5b9e\u73b0\u539f\u7406\uff1a<\/strong><br \/>\n\u4f7f\u7528<code>canvas<\/code>\u7ed8\u5236\u4e0b\u56fe\u6240\u793a<code>&lt;feImage&gt;<\/code>\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.zhangxinxu.com\/study\/201712\/grad\/grad12.jpg\" width=\"256\" height=\"256\" alt=\"\u9cb8\u9c7c\u6e38\u52a8\u4f7f\u7528\u7684\u6620\u5c04\u56fe\" class=\"alignnone\" \/><\/p>\n<p>\u5de6\u4fa7\u5927\u7247\u533a\u57df\u662f50\u5ea6\u7070\uff0c\u4e5f\u5c31\u662f\u9cb8\u9c7c\u7684\u5de6\u8fb9\u5927\u90e8\u5206\u662f\u4f4d\u7f6e\u4e0d\u52a8\u7684\uff0c\u53f3\u4fa7\u662f\u4e00\u4e2a\u6e10\u53d8\uff0c\u4ece\u7070\u8272\u5230rgb(255,127,0)\u7684\u6e10\u53d8\u3002<\/p>\n<p>\u8fd9\u91cc\u7684\u6e10\u53d8\u8272\u503c<code>rgb(255,127,0)<\/code>\u4e00\u770b\u5c31\u77e5\u9053\u4e0d\u662f\u968f\u4fbf\u8bbe\u7f6e\u7684\u6570\u503c\uff0c\u4e2d\u95f4\u7684G\u7eff\u8272\u4e3a127\uff0c\u7531\u4e8e\u901a\u9053\u8bbe\u7f6e\u4e3a<code>xChannelSelector=\"G\" yChannelSelector=\"B\"<\/code>\uff0c\u4e5f\u5c31\u662fX\u8f74\u4f7f\u7528\u7eff\u8272\u4f4d\u79fb\uff0c\u7531\u4e8e\u6b63\u597d127\u8272\u503c\u4e3a<code>0.5<\/code>\uff0c\u6240\u4ee5\u9cb8\u9c7c\u6c34\u5e73\u65b9\u5411\u662f\u6ca1\u6709\u4efb\u4f55\u79fb\u52a8\u7684\u3002\u4f46\u5782\u76f4\u65b9\u5411\u91c7\u7528\u7684\u901a\u9053\u662f<code>B<\/code>\uff0c\u968f\u7740\u6e10\u53d8\u8fdb\u884c\uff0c\u4ece<code>127->0<\/code>\uff0c\u4e5f\u5c31\u662f\u8d8a\u5f80\u5c3e\u90e8\uff0c\u5176\u4e0a\u4e0b\u504f\u79fb\u8d8a\u5927\uff0c\u4e8e\u662f\u5b9e\u73b0\u89c6\u89c9\u4e0a\u7684\u5c3e\u5df4\u4e0a\u4e0b\u6e38\u52a8\u6548\u679c\u3002<\/p>\n<h3>\u516d\u3001\u7ed3\u675f\u8bed<\/h3>\n<p>\u672c\u6587\u5c31\u662f\u6700\u8fd1\u76f8\u5173\u77e5\u8bc6\u7814\u7a76\u7684\u4e00\u70b9\u5c0f\u5fc3\u5f97\u3002<\/p>\n<p>\u5982\u4f55\u5728\u9879\u76ee\u4e2d\u5e94\u7528\u6c34\u6ce2\u6548\u679c\uff0c\u8fd9\u4e2a\u662f\u5373\u63d2\u5373\u7528\u7684\uff0c\u5f53\u4e0b\u7684\u5c31\u80fd\u5e26\u6765\u6536\u76ca\u3002<\/p>\n<p>\u81f3\u4e8e<code>feDisplacementMap<\/code>\u76f8\u5173\u77e5\u8bc6\uff0c\u662f\u7559\u7ed9\u540e\u6765\u4eba\u7684\uff0c\u90a3\u4e9b\u81f4\u529b\u4e8e\u5728\u56fe\u5f62\u4ea4\u4e92\u9886\u57df\u6709\u6240\u6210\u957f\u7684\u5c0f\u4f19\u4f34\u3002<\/p>\n<p><code>feDisplacementMap<\/code>\u6ee4\u955c\u7684\u539f\u7406\u548c\u7279\u6027\u5728\u4e0d\u540c\u7684\u8bed\u8a00\u73af\u5883\u4e2d\uff0c\u5176\u5b9e\u90fd\u662f\u76f8\u901a\u7684\uff0c\u4f8b\u5982WebGL\u4e2d\u6709\u7c7b\u4f3c\u6ee4\u955c\uff0c\u4ee5\u540e\uff0c\u5f88\u6709\u53ef\u80fdCSS\u4e5f\u4f1a\u7c7b\u4f3c\u529f\u80fd\u7684\u5c5e\u6027\u3002<\/p>\n<p>\u600e\u4e48\u8bb2\u5462\uff01\u56fe\u5f62\u56fe\u50cf\u9886\u57df\u7684\u57fa\u7840\u77e5\u8bc6\u5427\uff01<\/p>\n<p>\u611f\u8c22\u9605\u8bfb\uff0c\u884c\u6587\u4ed3\u4fc3\uff0c\u51fa\u9519\u96be\u514d\uff0c\u6b22\u8fce\u6307\u51fa\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201611\/14.png\" align=\"absmiddle\"><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=6626\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=6626<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u501f\u52a9SVG feDisplacementMap\u6ee4\u955c\u53ef\u4ee5\u5b9e\u73b0\u975e\u5e38\u6709\u610f\u601d\u7684\u6c34\u6ce2\u6548\u679c\u3002\u672c\u6587\u6df1\u5165\u4ecb\u7ecdfeDisplacementMap\u6ee4\u955c\u7684\u4f5c\u7528\u539f\u7406\uff0c\u540c\u65f6\u5c55\u793a\u5176\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u53ef\u4ee5\u5927\u89c4\u6a21\u5b9e\u9645\u5e94\u7528\u7684\u6f5c\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[895],"tags":[1198,1197,1645,642,1195,1196,189,206,886],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/6626"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=6626"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/6626\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=6626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=6626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=6626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}