高斯模糊

{"value":"**imageMogr2** \u63d0\u4f9b\u4e00\u7cfb\u5217\u9ad8\u7ea7\u56fe\u7247\u5904\u7406\u529f\u80fd\uff0c\u672c\u6587\u4ecb\u7ecd **\u56fe\u7247\u9ad8\u65af\u6a21\u7cca**\uff0c\u53ef\u4e0e **imageMogr2** \u7684\u5176\u4ed6\u53c2\u6570\u4e00\u8d77\u4f7f\u7528\u3002\n\n### **\u9650\u5236\u8bf4\u660e**\n\n- \u539f\u56fe\u9650\u5236\n - \u539f\u56fe\u683c\u5f0f\u652f\u6301\uff1a `psd`\u3001`jpeg`\u3001`png`\u3001`gif`\u3001`webp`\u3001`tiff`\u3001`bmp`\uff08webp\u52a8\u56fe\uff0c\u4ec5\u652f\u6301 \u6301\u4e45\u5316\u5904\u7406\uff09\n- \u8f93\u51fa\u9650\u5236\n - \u5982\u679c\u60a8\u6709\u591a\u5f20\u591a\u5e27 gif \u56fe\u7247\u9700\u8981\u5904\u7406\uff0c\u53ef\u5728\u56fe\u7247\u4e0a\u4f20\u5b8c\u6210\u540e\u5f02\u6b65\u8fdb\u884c\u9884\u8f6c\uff0c\u8fd9\u6837\u4e0d\u5fc5\u5728\u521d\u6b21\u8bbf\u95ee\u65f6\u8fdb\u884c\u56fe\u7247\u5904\u7406\uff0c\u8bbf\u95ee\u901f\u5ea6\u66f4\u5feb\u3002\u5efa\u8bae\u4f18\u5148\u4f7f\u7528 \u6301\u4e45\u5316\u5904\u7406\n- \u540c\u6b65\u5904\u7406\n - \u540c\u6b65\u5904\u7406\u53ea\u652f\u6301 20MB \u4ee5\u5185\u7684\u56fe\u7247\uff0c\u8d85\u8fc7 20MB \u7684\u56fe\u7247\u9700\u8981\u4f7f\u7528\u6301\u4e45\u5316\u5904\u7406\n - \u540c\u6b65\u5904\u7406\u524d\u7684gif\u6700\u5927\u5e27\u6570\u4e3a 200\n - \u540c\u6b65\u5904\u7406\u524d\u7684\u56fe\u7247`w`\u548c`h`\u53c2\u6570\u4e0d\u80fd\u8d85\u8fc73\u4e07\u50cf\u7d20\uff0c\u603b\u50cf\u7d20\u4e0d\u80fd\u8d85\u8fc71.5\u4ebf\u50cf\u7d20\n - \u540c\u6b65\u5904\u7406\u540e\u7684\u56fe\u7247`w`\u548c`h`\u53c2\u6570\u4e0d\u80fd\u8d85\u8fc79999\u50cf\u7d20\uff0c\u603b\u50cf\u7d20\u4e0d\u5f97\u8d85\u8fc724999999\uff082500w-1\uff09\u50cf\u7d20\n- \u6301\u4e45\u5316\u5904\u7406\n - \u6301\u4e45\u5316\u5904\u7406\u65e0\u5927\u5c0f\u9650\u5236\n - \u6301\u4e45\u5316\u5904\u7406\u524d\u7684`gif`\u3001`webp\u52a8\u56fe`\uff0c\u6700\u5927\u5e27\u6570\u4e3a 500\n - \u6301\u4e45\u5316\u5904\u7406\u524d\u7684\u56fe\u7247`w`\u548c`h`\u53c2\u6570\u4e0d\u80fd\u8d85\u8fc73\u4e07\u50cf\u7d20\uff0c\u603b\u50cf\u7d20\u4e0d\u80fd\u8d85\u8fc71.5\u4ebf\u50cf\u7d20\n - \u6301\u4e45\u5316\u5904\u7406\u540e\u7684\u56fe\u7247`w`\u548c`h`\u53c2\u6570\u4e0d\u80fd\u8d85\u8fc714999\u50cf\u7d20\uff0c\u603b\u50cf\u7d20\u4e0d\u5f97\u8d85\u8fc759999999\uff086000w-1\uff09\u50cf\u7d20\n\n### **\u63a5\u53e3\u89c4\u683c**\n\n**\u6ce8\u610f**\uff1a\u63a5\u53e3\u89c4\u683c\u4e0d\u542b\u4efb\u4f55\u7a7a\u683c\u4e0e\u6362\u884c\u7b26\u3002\n\n```\nimageMogr2\/blur\/<blur>\n \/ignore-error\/<ignoreError>\n```\n\n### \u53c2\u6570\u8bf4\u660e\n\n| \u53c2\u6570\u540d\u79f0 | \u5fc5\u586b | \u8bf4\u660e |\n| ----------------------------- | ---- | ------------------------------------------------------------ |\n| `\/blur\/<blur>` | | \u9ad8\u65af\u6a21\u7cca\u53c2\u6570\u3002radius\u662f\u6a21\u7cca\u534a\u5f84\uff0c\u53d6\u503c\u8303\u56f4\u4e3a1-50\u3002sigma\u662f\u6b63\u6001\u5206\u5e03\u7684\u6807\u51c6\u5dee\uff0c\u5fc5\u987b\u5927\u4e8e0\u3002\u56fe\u7247\u683c\u5f0f\u4e3agif\u65f6\uff0c\u4e0d\u652f\u6301\u8be5\u53c2\u6570\u3002 |\n| `\/ignore-error\/<ignoreError>` | | \u53d6\u503c\u4e3a 1 \u65f6\uff0c\u5219\u5904\u7406\u5931\u8d25\u65f6\u8fd4\u56de\u539f\u56fe\uff1b\u53d6\u503c\u4e3a 0 \u65f6\uff0c\u5219\u5904\u7406\u5931\u8d25\u65f6\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\u3002\u9ed8\u8ba4\u503c\u4e3a 0\u3002 |\n\n### **\u793a\u4f8b**\n\n**0.** \u539f\u56fe\n\n```\nhttps:\/\/dn-odum9helk.qbox.me\/resource\/gogopher.jpg\n```\n\n**1.** \u534a\u5f84\u4e3a 3\uff0cSigma \u503c\u4e3a 5\uff1a\n\n```\nhttps:\/\/dn-odum9helk.qbox.me\/resource\/gogopher.jpg?imageMogr2\/blur\/3x5\n```\n\n\n\n"}