{"id":11418,"date":"2024-11-11T00:17:23","date_gmt":"2024-11-10T16:17:23","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11418"},"modified":"2024-11-11T00:17:23","modified_gmt":"2024-11-10T16:17:23","slug":"svg-fecolormatrix-filter","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2024\/11\/svg-fecolormatrix-filter\/","title":{"rendered":"\u8d81\u70ed\u6253\u94c1\uff0cSVG feColorMatrix\u6ee4\u955cgogogo!"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11418\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11418<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u72ec\u7acb\u57df\u540d\u4e2a\u4eba\u7f51\u7ad9\u65e0\u9700\u6388\u6743\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<p><script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/202411-color-matrix.png';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/pencil-cover.png\" width=\"413\" height=\"260\" alt=\"\u5360\u4f4d\u5c01\u9762\u56fe\u989c\u8272\u6ee4\u955c\" class=\"alignright clip thumb size-medium\" \/><\/p>\n<h3>\u4e00\u3001\u8d81\u70ed\u6253\u94c1gogogo<\/h3>\n<p>\u4e0a\u4e00\u7bc7\u6211\u4eec\u4ecb\u7ecd\u4e86Pixi.js\u4e2d\u7684\u989c\u8272\u77e9\u9635\u53d8\u6362\u6ee4\u955c\uff0c\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8d81\u70ed\u6253\u94c1\uff0c\u6765\u4e00\u8d77\u5b66\u4e60\u4e0bSVG\u4e2d\u7684colorMatrix\u6ee4\u955c\uff0c\u4f7f\u7528\u7684\u662f<code>&lt;feColorMatrix&gt;<\/code>\u8fd9\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u5148\u4ece\u8bed\u6cd5\u8bf4\u8d77\u3002<\/p>\n<p>\u652f\u6301<code>in<\/code>, <code>type<\/code> \u548c <code>values<\/code>\uff08\u6ce8\u610f\u6709s\uff09\u8fd9\u4e09\u4e2a\u5c5e\u6027\uff0c\u5176\u4e2d\uff0c<code>in<\/code>\u5c5e\u6027\u7684\u5b9e\u9645\u7528\u6cd5\u90fd\u662f\u56fa\u5b9a\u7684\uff0c\u503c\u90fd\u662f<code>SourceGraphic<\/code>\uff0c\u8868\u793a\u5e94\u7528\u6ee4\u955c\u7684\u539f\u59cb\u8d44\u6e90\u3002<\/p>\n<p>\u5728CSS\u8c03\u7528\u573a\u666f\u4e2d\uff0c\u5c31\u662f\u5e94\u7528\u8be5CSS\u7684\u5bf9\u5e94\u5143\u7d20\u3002<\/p>\n<p>\u4e3b\u8981\u662ftype\u5c5e\u6027\u7684\u533a\u522b\uff0c\u53c2\u89c1\uff1a<\/p>\n<pre>&lt;!-- \u9971\u548c\u5ea6\u53d8\u5316 --&gt;\r\n&lt;feColorMatrix in=\"SourceGraphic\" type=\"saturate\" values=\"0.2\" \/&gt;\r\n\r\n&lt;!-- \u8272\u8c03\u53d8\u5316 --&gt;\r\n&lt;feColorMatrix in=\"SourceGraphic\" type=\"hueRotate\" values=\"180\" \/&gt;\r\n\r\n&lt;!-- \u53d1\u5149\u4eae\u5ea6\u53d8\u5316 --&gt;\r\n&lt;feColorMatrix in=\"SourceGraphic\" type=\"luminanceToAlpha\" \/&gt;\r\n\r\n&lt;!-- \u77e9\u9635\u53d8\u5316 --&gt;\r\n&lt;feColorMatrix\r\n    in=\"SourceGraphic\"\r\n    type=\"matrix\"\r\n    values=\"1 0 0 0 0\r\n        0 1 0 0 0\r\n        0 0 1 0 0\r\n        0 0 0 1 0\" \r\n\/&gt;<\/pre>\n<p>\u5176\u4e2d\uff0c\u9971\u548c\u5ea6\u548c\u8272\u8c03\u53d8\u5316\u6bd4\u8f83\u7b80\u5355\uff0c\u8fd9\u4e2a\u5728CSS\u4e2d\u7684filter\u5c5e\u6027\u4e2d\u4e5f\u6709\u5bf9\u5e94\u7684\u6ee4\u955c\u65b9\u6cd5\uff0c\u5206\u522b\u662f<code>filter:saturate()<\/code>\u548c<code>filter:hue()<\/code>\uff0c\u6548\u679c\u662f\u4e00\u6837\u7684\uff0c\u5173\u952e\u662f\u540e\u9762\u4e24\u4e2a\u6ee4\u955c\u3002<\/p>\n<p>\u4e0b\u9762\u597d\u597d\u8bf4\u9053\u8bf4\u9053\u3002<\/p>\n<h3>\u4e8c\u3001luminanceToAlpha\u7684\u4f5c\u7528\u548c\u6548\u679c<\/h3>\n<p><code>luminanceToAlpha<\/code>\u7684\u4f5c\u7528\u662f\u4eae\u5ea6\u900f\u660e\u5316\uff0c\u767d\u8272\u4f1a\u5b8c\u5168\u900f\u660e\uff0c\u9ed1\u8272\u4fdd\u6301\u4e0d\u53d8\uff0c\u5176\u4f59\u9ed1\u7070\u534a\u900f\u660e\uff0c\u7c7b\u4f3c\u4f20\u7edf\u80f6\u5377\u7684\u5f71\u5370\u6548\u679c\u3002<\/p>\n<p>\u8bf4\u5230\u4eae\u5ea6\uff0c\u8bb2\u4e00\u4e2a\u5c0ftips\uff0c\u5c31\u662fLuminance\u4eae\u5ea6\u548cBrightness\u4eae\u5ea6\u7684\u533a\u522b\u3002<\/p>\n<p>\u524d\u8005\u6307\u7684\u662f\u5149\u6e90\u6295\u5c04\u5728\u7269\u4f53\u8868\u9762\u7684\u53d1\u5149\u5f3a\u5ea6\uff0c\u540e\u8005\u8868\u793a\u7269\u4f53\u672c\u8eab\u7684\u660e\u4eae\u7a0b\u5ea6\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u955c\u5b50\u7684\u9540\u819c\u53cd\u5149\u540e\u5f88\u4eae\uff0c\u4f46\u662f\u672c\u8eab\u5374\u662f\u94f6\u8272\u7684\uff0c\u5e76\u4e0d\u662f\u90a3\u4e48\u660e\u4eae\u3002<\/p>\n<p>\u5148\u770b\u5b9e\u9645\u6e32\u67d3\u6548\u679c\uff0cHTML\u548cCSS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;svg width=\"0\" height=\"0\"&gt;\r\n  &lt;defs&gt;\r\n    &lt;filter id=\"colorMeLTA\"&gt;\r\n      &lt;feColorMatrix in=\"SourceGraphic\" type=\"luminanceToAlpha\" \/&gt;\r\n    &lt;\/filter&gt;\r\n  &lt;\/defs&gt;\r\n&lt;\/svg&gt;\r\n  \r\n&lt;img src=\"1.jpg\" width=\"256\"&gt;<\/pre>\n<pre>img {\r\n  filter: url(#colorMeLTA);\r\n}<\/pre>\n<p>\u7ed3\u679c\u5728\u767d\u5e95\u80cc\u666f\u4e0b\u7684\u6548\u679c\u793a\u610f\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/2024-11-6_160507.jpeg\" width=\"260\" height=\"196\" alt=\"luminanceToAlpha\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u539f\u56fe\u5bf9\u6bd4\uff1a<\/p>\n<p><img decoding=\"async\" src=\"\/study\/202405\/1.jpg\" width=\"256\" alt=\"\"><\/p>\n<p>\u5982\u679c\u6211\u4eec\u7ed9\u56fe\u7247\u7684\u80cc\u666f\u533a\u57df\u589e\u52a0\u5176\u4ed6\u989c\u8272\uff0c\u6211\u4eec\u5c31\u80fd\u770b\u5230\u900f\u660e\u548c\u672c\u900f\u660e\u7684\u90e8\u5206\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/2024-11-6_160743.jpeg\" width=\"279\" height=\"206\" alt=\"\u589e\u52a0\u80cc\u666f\u8272\u540e\u7684\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\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\/202411\/svg-fecolormatrix-luminance-to-alpha-demo.php\" rel=\"noopener\" target=\"_blank\">luminanceToAlpha\u989c\u8272\u53d8\u6362\u6ee4\u955c\u6548\u679cdemo<\/a><\/p>\n<p>\u7531\u4e8eluminanceToAlpha\u6548\u679c\u9887\u4e3a\u8be1\u5f02\uff0c\u5982\u679c\u4e0d\u662f\u4e3a\u4e86\u8425\u9020\u6050\u6016\u6548\u679c\uff0c\u65e5\u5e38\u5f00\u53d1\u8f83\u5c11\u4f7f\u7528\uff0c\u4f46\u662f\u5176\u5bf9\u5e94\u7684\u6e32\u67d3\u6548\u679c\uff0c\u5927\u5bb6\u8fd8\u662f\u8981\u5728\u5fc3\u4e2d\u6709\u4e2a\u5370\u8c61\u7684\u3002<\/p>\n<h3>\u4e09\u3001\u6df1\u5165\u7406\u89e3matrix\u77e9\u9635\u8bed\u6cd5<\/h3>\n<p>\u4e0b\u9762\u597d\u597d\u8bb2\u8bb2\u66f4\u6709\u5b66\u4e60\u96be\u5ea6\u7684matrix\u77e9\u9635\u53d8\u6362\u4e0e\u6ee4\u955c\u6548\u679c\u3002<\/p>\n<p>\u77e9\u9635\u53d8\u6362\u5927\u5bb6\u5927\u5b66\u5e94\u8be5\u90fd\u5b66\u8fc7\uff0c\u7ebf\u6027\u4ee3\u6570\u5fc5\u4fee\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u5b66\u8fc7\uff0c\u8fd9\u90e8\u5206\u5185\u5bb9\u4f1a\u5403\u529b\u4e00\u70b9\uff0c\u53ef\u4ee5\u76f4\u63a5\u8df3\u8fc7\u53bb\uff0c\u5230\u65f6\u5019\u60f3\u8981\u4ec0\u4e48\u6548\u679c\uff0c\u53bb\u7f51\u4e0a\u641c\u5bf9\u5e94\u7684\u77e9\u9635\u503c\u5373\u53ef\uff08\u672c\u6587\u4e5f\u63d0\u4f9b\u4e86\u51e0\u4e2a\u5e38\u89c1\u7684\u6ee4\u955c\u6548\u679c\u7ed9\u5927\u5bb6\u53c2\u8003\uff09\u3002<\/p>\n<h4>\u7406\u89e3\u989c\u8272\u53d8\u6362\u77e9\u9635<\/h4>\n<p><code>&lt;feColorMatrix&gt;<\/code>\u5143\u7d20\u7684type\u5c5e\u6027\u5982\u679c\u662f<code>\"matrix\"<\/code>\uff0c\u90a3\u4e48\u5bf9\u5e94\u7684values\u5c5e\u6027\u503c\u5219\u662f\u4e00\u4e2a4&#215;5(4\u884c5\u5217)\u7684\u4e00\u4e32\u6570\u503c\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u989c\u8272\u77e9\u9635\u53d8\u6362\u662f5&#215;5\u7684\u3002<\/p>\n<pre>ColorMatrix1=1; 0; 0; 0; 0\r\nColorMatrix2=0; 1; 0; 0; 0\r\nColorMatrix3=0; 0; 1; 0; 0\r\nColorMatrix4=0; 0; 0; 1; 0\r\nColorMatrix5=0; 0; 0; 0; 1<\/pre>\n<p>\u4e0d\u8fc7\u6700\u540e\u4e00\u884c\u8868\u793a\u5360\u4f4d\u7b26\uff0c\u5728SVG\u4e2d\u5e76\u4e0d\u8ba4\u8fd9\u4e2a\uff0c\u56e0\u6b64\uff0c\u662f4\u884c5\u5217\uff0c\u5982\u679c\u4f60\u5199\u62105\u884c\uff0c\u662f\u4e0d\u89e3\u6790\u6e32\u67d3\u7684\u3002<\/p>\n<p>\u56de\u5230\u8fd9\u91cc\uff0c<code>values<\/code>\u5c5e\u6027\u503c\u53ef\u4ee5\u4e00\u6392\u5c55\u793a\uff0c\u4f7f\u7528\u82f1\u6587\u9017\u53f7\u5206\u9694\u4e3a4\u6bb5\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>&lt;filter id=\"colorMatrix\"&gt;\r\n  &lt;feColorMatrix type=\"matrix\" values=\"1 0 0 0 0, 0 1 0 0 0, 0 0 1 0 0, 0 0 0 1 0\"\/&gt;\r\n&lt;\/filter&gt;<\/pre>\n<p>\u4e0d\u8fc7\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u7406\u89e3\u4e0e\u5b66\u4e60\uff0c\u5efa\u8bae\u5b66\u4e60\u9636\u6bb5\uff0c\u5927\u5bb6\u53ef\u4ee5\u4ee5\u7f51\u683c\u7684\u6392\u7248\u5448\u73b0\uff0c\u793a\u610f\uff08\u53ef\u4ee5\u65e0\u9700\u9017\u53f7\uff0c\u6709\u4e5f\u6ca1\u4e8b\uff09\uff1a<\/p>\n<pre>&lt;feColorMatrix\r\n    in=\"SourceGraphic\"\r\n    type=\"matrix\"\r\n    values=\"1 0 0 0 0\r\n            0 1 0 0 0\r\n            0 0 1 0 0\r\n            0 0 0 1 0\" \r\n\/&gt;<\/pre>\n<p>\u5176\u8ba1\u7b97\u89c4\u5219\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>| R' |     | r1 r2 r3 r4 r5 |   | R |\r\n| G' |     | g1 g2 g3 g4 g5 |   | G |\r\n| B' |  =  | b1 b2 b3 b4 b5 | * | B |\r\n| A' |     | a1 a2 a3 a4 a5 |   | A |<\/pre>\n<p>\u5176\u4e2d\uff0c\u53f3\u4e0a\u89d2\u6709\u4e2a\u4e3f\u7684R\u3001G\u3001B\u3001A\u8868\u793a\u6700\u7ec8\u7684\u989c\u8272\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n<p>\u4ee5\u7ea2\u8272\u8ba1\u7b97\u4e3e\u4f8b\uff1a<\/p>\n<pre>\r\nR'    =      r1 * R    +     r2 * G     +     r3 * B     +      r4 * A      +    r5\r\n\u65b0\u7ea2\u8272 = [ r1 * \u539f\u56fe\u7ea2 ] + [ r2 * \u539f\u56fe\u7eff ] + [ r3 * \u539f\u56fe\u84dd ] + [ r4 * \u539f\u56fe\u900f\u660e ] + [ r5\u504f\u79fb ]<\/pre>\n<p>\u4ee5\u9ed8\u8ba4\u77e9\u9635\u53d8\u6362\u503c\u8ba1\u7b97\u4e3e\u4f8b\uff1a<\/p>\n<pre>\/* R G B A 1 *\/\r\n   1 0 0 0 0   \/\/ R = 1*R + 0*G + 0*B + 0*A + 0\r\n   0 1 0 0 0   \/\/ G = 0*R + 1*G + 0*B + 0*A + 0\r\n   0 0 1 0 0   \/\/ B = 0*R + 0*G + 1*B + 0*A + 0\r\n   0 0 0 1 0   \/\/ A = 0*R + 0*G + 0*B + 1*A + 0<\/pre>\n<p>\u66f4\u5f62\u8c61\u7684\u8ba1\u7b97\u793a\u610f\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/2024-11-8_113741.png\" width=\"557\" height=\"611\" alt=\"\u77e9\u9635\u53d8\u6362\u793a\u610f\u56fe\" class=\"alignnone size-medium\" \/><\/p>\n<h4>\u5404\u53c2\u6570\u5b9e\u65f6\u6f14\u793a<\/h4>\n<p>\u4e3a\u4e86\u65b9\u4fbf\u5927\u5bb6\u5b66\u4e60\uff0c\u5f04\u4e86\u4e2a\u5728\u7ebf\u9875\u9762\uff0c\u53d6\u503c\u8303\u56f4-1~1\uff0c\u53ef\u4ee5\u611f\u53d7\u4e0b\u5404\u4e2a\u6570\u503c\u6539\u53d8\u5bf9\u56fe\u50cf\u6e32\u67d3\u6548\u679c\u7684\u5f71\u54cd\uff0c\u5bf9\u5e94\u7684\u77e9\u9635\u5750\u6807\u4e5f\u4f1a\u5b9e\u65f6\u8f93\u51fa\uff0c\u5927\u5bb6\u590d\u5236\u5c31\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4e86\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/202411\/matrix-values.php\" rel=\"noopener\" target=\"_blank\">feColorMatrix\u5143\u7d20matrix\u5b9e\u65f6\u751f\u6210\u4e0e\u9884\u89c8\u5de5\u5177<\/a><\/p>\n<p>\u4f8b\u5982\uff0c\u9875\u9762\u4e2d\u7684\u6ed1\u6746\u6211\u968f\u4fbf\u62d6\u52a8\u51e0\u4e2a\uff0c\u5c31\u6709\u7c7b\u4f3c\u4e0b\u56fe\u7684\u6e32\u67d3\u6548\u679c\uff0c\u5bf9\u5e94\u7684SVG\u6ee4\u955c\u4ee3\u7801\u53ef\u4ee5\u5728\u6587\u672c\u57df\u4e2d\u8fdb\u884c\u590d\u5236\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/2024-11-11_000811.png\" width=\"721\" height=\"603\" alt=\"\u77e9\u9635\u53c2\u6570\u503c\u751f\u6210\u4e0e\u9884\u89c8\u5de5\u5177\u9875\u9762\u622a\u56fe\" class=\"alignnone size-medium\" \/><\/p>\n<h3>\u56db\u3001\u4e00\u4e9b\u5e38\u89c1\u6ee4\u955c\u5bf9\u5e94\u7684\u77e9\u9635<\/h3>\n<h4>1. 100%\u7070\u5ea6\u6ee4\u955c\u6548\u679c<\/h4>\n<p>\u77e9\u9635\u53c2\u6570\u793a\u610f\uff1a<\/p>\n<pre>&lt;filter id=\"colorMatrixGrayscale\"&gt;\r\n  &lt;feColorMatrix in=\"SourceGraphic\" type=\"Matrix\" values=\"\r\n    .333 .333 .333 0 0\r\n    .333 .333 .333 0 0\r\n    .333 .333 .333 0 0\r\n    0 0 0 1 0\" \r\n  \/&gt;\r\n&lt;\/filter&gt;<\/pre>\n<p>\u53c2\u8003\u6e32\u67d3\u6548\u679c\uff1a<\/p>\n<p><img decoding=\"async\" src=\"\/study\/202405\/1.jpg\" width=\"256\"  style=\"filter:grayscale(100%)\"><\/p>\n<h4>2. \u53cd\u76f8\u6548\u679c<\/h4>\n<p>\u8fd9\u4e2a\u7b80\u5355\uff0c\u521d\u59cb\u503c\u90fd\u4ece1\u53d8\u6210-1\uff0c\u540c\u65f6\u504f\u79fb\u8bbe\u4e3a1\u8865\u8db3\u5373\u53ef\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;filter id=\"colorMatrixInvert\"&gt;\r\n  &lt;feColorMatrix in=\"SourceGraphic\" type=\"Matrix\" values=\"\r\n    -1 0 0 0 1\r\n    0 -1 0 0 1\r\n    0 0 -1 0 1\r\n    0 0 0 1 0\" \r\n  \/&gt;\r\n&lt;\/filter&gt;<\/pre>\n<p>\u53c2\u8003\u6e32\u67d3\u6548\u679c\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/2024-11-8_143254.jpeg\" width=\"258\" height=\"192\" alt=\"\u53cd\u76f8\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u4f7f\u7528CSS invert()\u51fd\u6570\u6e32\u67d3\u6548\u679c\u53c2\u89c1\uff0c\u611f\u89c9\u7ec6\u8282\u5dee\u5f02\u8fd8\u662f\u633a\u660e\u663e\u7684\uff0c\u53ef\u80fd\u7b97\u6cd5\u4e0a\u6709\u533a\u522b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"\/study\/202405\/1.jpg\" width=\"256\"  style=\"filter:invert(100%)\"><\/p>\n<h4>3. RGB\u989c\u8272\u8f6c\u4e3aBGR<\/h4>\n<pre>&lt;filter id=\"colorMatrixBGR\"&gt;\r\n  &lt;feColorMatrix in=\"SourceGraphic\" type=\"Matrix\" values=\"\r\n    0 0 1 0 0\r\n    0 1 0 0 0\r\n    1 0 0 0 0\r\n    0 0 0 1 0\" \r\n  \/&gt;\r\n&lt;\/filter&gt;<\/pre>\n<p>\u6548\u679c\u53c2\u8003\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/2024-11-8_154819.jpeg\" width=\"258\" height=\"194\" alt=\"RGB\u4e92\u76f8\u66ff\u6362\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h4>4. \u8910\u8272<\/h4>\n<pre>&lt;filter id=\"colorMatrixSepia\"&gt;\r\n  &lt;feColorMatrix in=\"SourceGraphic\" type=\"Matrix\" values=\"\r\n    0.393  0.768  0.188  0  0 \r\n    0.349  0.685  0.167  0  0 \r\n    0.272  0.533  0.130  0  0 \r\n    0  0  0  1  0\" \r\n  \/&gt;\r\n&lt;\/filter&gt;<\/pre>\n<p>\u6548\u679c\u53c2\u8003\uff1a<\/p>\n<p><img decoding=\"async\" src=\"\/study\/202405\/1.jpg\" width=\"256\"  style=\"filter:sepia(100%)\"><\/p>\n<h4>5. Polaroid\u989c\u8272\u6548\u679c<\/h4>\n<pre>&lt;filter id=\"colorMatrixPolaroid\"&gt;\r\n  &lt;feColorMatrix in=\"SourceGraphic\" type=\"Matrix\" values=\"\r\n     1.438 -0.062 -0.062 0 0\r\n    -0.122 1.378 -0.122 0 0\r\n    -0.016 -0.016 1.483 0 0\r\n    -0.03 0.05 -0.02 1 0\" \r\n  \/&gt;\r\n&lt;\/filter&gt;<\/pre>\n<p>\u6548\u679c\u53c2\u8003\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/2024-11-10_225723.jpg\" width=\"262\" height=\"193\" alt=\"\u62cd\u7acb\u5f97\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u66f4\u591a\u6548\u679c\u53ef\u53c2\u89c1\u6f14\u793a\u9875\u9762\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/202411\/svg-color-matrix-demo.php\" rel=\"noopener\" target=\"_blank\">\u5e38\u89c1SVG\u989c\u8272\u53d8\u6362\u6ee4\u955c\u7684Matrix\u503cdemo<\/a><\/p>\n<h3>\u4e94\u3001\u7ed3\u8bed<\/h3>\n<p>\u54ce\u5440\uff0c\u592a\u665a\u4e86\uff0c\u4eca\u513f\u4e2a\u5c31\u4e0d\u7ed3\u8bed\u4e86\u3002<\/p>\n<p><strong>\u53c2\u8003\u6587\u7ae0<\/strong><\/p>\n<p>https:\/\/juejin.cn\/post\/6943032791122575390<br \/>\nhttps:\/\/fecolormatrix.com\/<br \/>\nhttps:\/\/docs.rainmeter.net\/tips\/colormatrix-guide\/<\/p>\n<p>OK\uff0c\u5c31\u8fd9\u4e9b\uff0c\u6211\u8fd8\u662f\u5b66\u5230\u4e0d\u5c11\u4e1c\u897f\u7684\uff0c\u4f60\u5462\uff1f<\/p>\n<p>\u6b22\u8fce <button onclick=\"shareWeixin.click()\" class=\"entry-share-btn\">\u5206\u4eab<\/button>~<\/p>\n<p>\u2764\ufe0f\ud83e\udde1\ud83d\udc9b\ud83d\udc9a\ud83d\udc99<\/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=11418\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11418<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202411\/pencil-cover.png\" width=\"160\" height=\"101\" alt=\"\u5360\u4f4d\u5c01\u9762\u56fe\u989c\u8272\u6ee4\u955c\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>\u5145\u5206\u4e14\u6df1\u5165\u5b66\u4e60SVG feColorMatrix\u6ee4\u955c\u7684\u8bed\u6cd5\uff0c\u77e9\u9635\u53d8\u6362\u539f\u7406\uff0c\u5e38\u89c1\u989c\u8272\u6ee4\u955c\u53c2\u6570\u503c\uff0c\u751f\u6210\u5de5\u5177\u7b49\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":[2009,1201,368,576,1769,206,724],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11418"}],"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=11418"}],"version-history":[{"count":4,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11418\/revisions"}],"predecessor-version":[{"id":11422,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11418\/revisions\/11422"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=11418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=11418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=11418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}