图片水印处理

{"value":"\u4e91\u5b58\u50a8\u63d0\u4f9b5\u79cd\u6c34\u5370\u63a5\u53e3\uff1a\u56fe\u7247\u6c34\u5370\u3001\u6587\u5b57\u6c34\u5370\u3001\u6587\u5b57\u5e73\u94fa\u6c34\u5370\u3001\u6df7\u5408\u6c34\u5370\u3001\u6e10\u53d8\u8272\u6c34\u5370\u3002\n\n### **\u4f7f\u7528\u9650\u5236**\n\n- \u539f\u56fe\u683c\u5f0f\u652f\u6301\uff1a\n\n \n\n ` psd `\u3001 ` jpeg ` \u3001` png`\u3001`gif` \u3001` webp` \u3001`tiff`\u3001`bmp`\n\n - \u652f\u6301webp\u52a8\u56fe\uff0c\u53ea\u80fd\u4f7f\u7528\u6301\u4e45\u5316\u5904\u7406\uff0c\u9002\u7528\u4e8e`watermark\/1`\u3001`watermark\/2`\u3001`watermark\/3`\u63a5\u53e3\n\n- \u8f93\u51fa\u9650\u5236\n\n - \u8f93\u51fa\u4e3agif\uff0c\u4e00\u822c\u5904\u7406\u65f6\u95f4\u6bd4\u8f83\u957f\uff0c\u5efa\u8bae\u4f18\u5148\u4f7f\u7528 \u6301\u4e45\u5316\u5904\u7406\n\n- \u540c\u6b65\u5904\u7406\n\n - \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 - \u5904\u7406\u524d\u7684`gif`\u6700\u5927\u5e27\u6570\u4e3a 200\n - \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 - \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 - \u5904\u7406\u540e\u56fe\u7247\u6587\u4ef6\u5927\u5c0f\u6ca1\u6709\u9650\u5236\n\n- \u6301\u4e45\u5316\u5904\u7406\n\n - \u56fe\u7247\u6587\u4ef6\u65e0\u5927\u5c0f\u9650\u5236\n - \u5904\u7406\u524d\u7684`gif`\u3001`webp\u52a8\u56fe`\uff0c\u6700\u5927\u5e27\u6570\u4e3a 500\n - \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 - \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 - \u5904\u7406\u540e\u56fe\u7247\u6587\u4ef6\u5927\u5c0f\u6ca1\u6709\u9650\u5236\n\n\n\n### **\u56fe\u7247\u6c34\u5370**\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```\nwatermark\/1\n \/image\/<encodedkodocheme>\n \/dissolve\/<dissolve>\n \/gravity\/<gravity>\n \/dx\/<distanceX>\n \/dy\/<distanceY>\n \/ws\/<watermarkScale>\n \/wst\/<watermarkScaleType>\n```\n\n\n\n### \u53c2\u6570\u8bf4\u660e\n\n| \u53c2\u6570\u540d\u79f0 | \u5fc5\u586b | \u8bf4\u660e |\n| :-------------------------- | :--- | :----------------------------------------------------------- |\n| `\/image\/<encodedkodocheme>` | \u662f | \u6c34\u5370\u7684\u6e90\u8def\u5f84\uff0c\u76ee\u524d\u652f\u6301 kodo \u8d44\u6e90\u3002kodo \u8d44\u6e90\u53ef\u7531 `kodo:\/\/<bucketname>\/<key>` \u8868\u793a\uff08\u6b64\u65f6 bucketname \u9700\u8981\u4e0e\u8f93\u5165\u6e90\u5728\u540c\u4e00\u533a\u57df\uff09\uff0c\u5747\u9700\u8981\u7ecf\u8fc7`urlsafe_base64_encode`\u3002 **\u6ce8\u610f**\uff1a\u66f4\u6362\u56fe\u7247\u6c34\u5370\u65f6\uff0c\u5efa\u8bae\u66f4\u6362\u56fe\u7247\u7684\u6587\u4ef6\u540d\u3002 |\n| `\/dissolve\/<dissolve>` | | \u900f\u660e\u5ea6\uff0c\u53d6\u503c\u8303\u56f41-100\uff0c\u9ed8\u8ba4\u503c\u4e3a100\uff08\u5b8c\u5168\u4e0d\u900f\u660e\uff09\u3002 |\n| `\/gravity\/<gravity>` | | \u6c34\u5370\u4f4d\u7f6e\uff0c\u53c2\u8003\u6c34\u5370\u951a\u70b9\u53c2\u6570\u8868\uff0c\u9ed8\u8ba4\u503c\u4e3a`SouthEast`\uff08\u53f3\u4e0b\u89d2\uff09\u3002 |\n| `\/dx\/<distanceX>` | | \u6a2a\u8f74\u8fb9\u8ddd\uff0c\u5355\u4f4d:\u50cf\u7d20(px)\uff0c\u9ed8\u8ba4\u503c\u4e3a10\u3002 |\n| `\/dy\/<distanceY>` | | \u7eb5\u8f74\u8fb9\u8ddd\uff0c\u5355\u4f4d:\u50cf\u7d20(px)\uff0c\u9ed8\u8ba4\u503c\u4e3a10\u3002 |\n| `\/ws\/<watermarkScale>` | | \u6c34\u5370\u56fe\u7247\u81ea\u9002\u5e94\u539f\u56fe\u7684\u6bd4\u4f8b\uff0cws\u7684\u53d6\u503c\u8303\u56f4\u4e3a0-1\u3002\u5177\u4f53\u662f\u6307\u6c34\u5370\u56fe\u7247\u4fdd\u6301\u539f\u6bd4\u4f8b\uff0c\u6309\u7167\u81ea\u9002\u5e94\u539f\u56fe\u7684\u7c7b\u578b`wst`\uff0c\u6bd4\u5982\u9ed8\u8ba4\u662f\u6309\u7167\u77ed\u8fb9\uff0c\u5219\u6c34\u5370\u56fe\u7247\u77ed\u8fb9=\u539f\u56fe\u77ed\u8fb9\uff0aws\u3002 |\n| `\/wst\/<watermarkScaleType>` | | \u6c34\u5370\u56fe\u7247\u81ea\u9002\u5e94\u539f\u56fe\u7684\u7c7b\u578b\uff0c\u53d6\u503c0\u30011\u30012\u30013\u5206\u522b\u8868\u793a\u4e3a\u81ea\u9002\u5e94\u539f\u56fe\u7684\u77ed\u8fb9\u3001\u957f\u8fb9\u3001\u5bbd\u3001\u9ad8\uff0c\u9ed8\u8ba4\u503c\u4e3a0\u3002 |\n\n\u4f8b\u5982\uff1a 1.\u539f\u56fe\u5927\u5c0f\u4e3a250x250\uff0c\u6c34\u5370\u56fe\u7247\u5927\u5c0f\u4e3a91x61\uff0c\u5982\u679cwst=0\u3001ws=0.1\uff0c\u90a3\u4e48\u6700\u7ec8\u6c34\u5370\u56fe\u7247\u7684\u5927\u5c0f\u4e3a\uff1a37.2x25\u3002 2.\u539f\u56fe\u5927\u5c0f\u4e3a250x250\uff0c\u6c34\u5370\u56fe\u7247\u5927\u5c0f\u4e3a91x61\uff0c\u5982\u679cwst=1\u3001ws=0.1\uff0c\u90a3\u4e48\u6700\u7ec8\u6c34\u5370\u56fe\u7247\u7684\u5927\u5c0f\u4e3a\uff1a25x16.8\u3002\n\n\n\n### \u6c34\u5370\u951a\u70b9\u53c2\u6570\u8868\n\n```\nNorthWest | North | NorthEast\n | | \n | | \n--------------+----------------+--------------\n | | \nWest | Center | East \n | | \n--------------+----------------+--------------\n | | \n | | \nSouthWest | South | SouthEast\n```\n\n\n\n\n\n### **\u6587\u5b57\u6c34\u5370**\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```\nwatermark\/2\n \/text\/<encodedText>\n \/font\/<encodedFontName>\n \/fontsize\/<fontSize>\n \/fill\/<encodedTextColor>\n \/dissolve\/<dissolve>\n \/gravity\/<gravity>\n \/dx\/<distanceX>\n \/dy\/<distanceY>\n```\n\n\n\n### \u53c2\u6570\u8bf4\u660e\n\n| \u53c2\u6570\u540d\u79f0 | \u5fc5\u586b | \u8bf4\u660e |\n| :------------------------- | :--- | :----------------------------------------------------------- |\n| `\/text\/<encodedText>` | \u662f | \u6c34\u5370\u6587\u5b57\u5185\u5bb9\uff08\u7ecf\u8fc7URL\u5b89\u5168\u7684Base64\u7f16\u7801\uff09 |\n| `\/font\/<encodedFontName>` | | \u6c34\u5370\u6587\u5b57\u5b57\u4f53\uff08\u7ecf\u8fc7URL\u5b89\u5168\u7684Base64\u7f16\u7801\uff09\uff0c\u9ed8\u8ba4\u4e3a`\u65b9\u6b63\u9ed1\u4f53`\uff0c\u8be6\u89c1\u652f\u6301\u5b57\u4f53\u5217\u8868]**\u6ce8\u610f\uff1a** \u4e2d\u6587\u6c34\u5370\u5fc5\u987b\u6307\u5b9a\u4e2d\u6587\u5b57\u4f53\u3002 |\n| `\/fontsize\/<fontSize>` | | \u6c34\u5370\u6587\u5b57\u5927\u5c0f\uff0c\u5355\u4f4d: \u7f07 \uff0c\u7b49\u4e8e1\/20\u78c5\uff0c\u9ed8\u8ba4\u503c\u662f240\u7f07\uff0c\u53c2\u8003DPI\u4e3a72\u3002 |\n| `\/fill\/<encodedTextColor>` | | \u6c34\u5370\u6587\u5b57\u989c\u8272\uff0cRGB\u683c\u5f0f\uff0c\u53ef\u4ee5\u662f\u989c\u8272\u540d\u79f0\uff08\u4f8b\u5982 red\uff09\u6216\u5341\u516d\u8fdb\u5236\uff08\u4f8b\u5982 #FF0000\uff09\uff0c\u53c2\u8003RGB\u989c\u8272\u7f16\u7801\u8868\uff0c\u9ed8\u8ba4\u4e3a\u9ed1\u8272\u3002\u7ecf\u8fc7URL\u5b89\u5168\u7684Base64\u7f16\u7801\u3002 |\n| `\/dissolve\/<dissolve>` | | \u900f\u660e\u5ea6\uff0c\u53d6\u503c\u8303\u56f41-100\uff0c\u9ed8\u8ba4\u503c100\uff08\u5b8c\u5168\u4e0d\u900f\u660e\uff09\u3002 |\n| `\/gravity\/<gravity>` | | \u6c34\u5370\u4f4d\u7f6e\uff0c\u53c2\u8003\u6c34\u5370\u4f4d\u7f6e\u53c2\u6570\u8868\uff0c\u9ed8\u8ba4\u503c\u4e3a`SouthEast`\uff08\u53f3\u4e0b\u89d2\uff09\u3002 |\n| `\/dx\/<distanceX>` | | \u6a2a\u8f74\u8fb9\u8ddd\uff0c\u5355\u4f4d:\u50cf\u7d20(px)\uff0c\u9ed8\u8ba4\u503c\u4e3a10\u3002 |\n| `\/dy\/<distanceY>` | | \u7eb5\u8f74\u8fb9\u8ddd\uff0c\u5355\u4f4d:\u50cf\u7d20(px)\uff0c\u9ed8\u8ba4\u503c\u4e3a10\u3002 |\n\n\n\n### **\u6587\u5b57\u5e73\u94fa\u6c34\u5370**\n\n### \u63a5\u53e3\u89c4\u683c\n\n```\nwatermark\/4\n \/text\/<encodedText>\n \/font\/<encodedFontName>\n \/fontsize\/<fontSize>\n \/fill\/<encodedTextColor>\n \/dissolve\/<dissolve>\n \/rotate\/<rotate>\n \/uw\/<unitW>\n \/uh\/<unitH>\n \/resize\/<resize>\n```\n\n\n\n### \u53c2\u6570\u8bf4\u660e\n\n| \u53c2\u6570\u540d\u79f0 | \u5fc5\u586b | \u8bf4\u660e |\n| -------------------------- | ---- | ------------------------------------------------------------ |\n| `\/text\/<encodedText>` | \u662f | \u6c34\u5370\u6587\u5b57\u5185\u5bb9\uff08\u7ecf\u8fc7URL\u5b89\u5168\u7684Base64\u7f16\u7801\uff09 |\n| `\/font\/<encodedFontName>` | | \u6c34\u5370\u6587\u5b57\u5b57\u4f53\uff08\u7ecf\u8fc7URL\u5b89\u5168\u7684Base64\u7f16\u7801\uff09\uff0c\u9ed8\u8ba4\u4e3a`\u65b9\u6b63\u9ed1\u4f53`\uff0c\u8be6\u89c1\u652f\u6301[\u5b57\u4f53\u5217\u8868](https:\/\/portal.7oss-hk.cdncloud.com\/doc\/dora\/kb\/11230\/image-text-watermarking-support-font-list) \u6ce8\u610f\uff1a\u4e2d\u6587\u6c34\u5370\u5fc5\u987b\u6307\u5b9a\u4e2d\u6587\u5b57\u4f53\u3002 |\n| `\/fontsize\/<fontSize>` | | \u6c34\u5370\u6587\u5b57\u5927\u5c0f\uff0c\u5355\u4f4d: \u7f07\uff0c\u7b49\u4e8e1\/20\u78c5\uff0c[1, 10000), \u9ed8\u8ba4\u503c\u662f240\u7f07\uff0c\u53c2\u8003DPI\u4e3a72\u3002 |\n| `\/fill\/<encodedTextColor>` | | \u6c34\u5370\u6587\u5b57\u989c\u8272\uff0cRGB\u683c\u5f0f\uff0c\u53ef\u4ee5\u662f\u989c\u8272\u540d\u79f0\uff08\u6bd4\u5982red\uff09\u6216\u5341\u516d\u8fdb\u5236\uff08\u6bd4\u5982#FF0000\uff09\uff0c\u53c2\u8003RGB\u989c\u8272\u7f16\u7801\u8868\uff0c\u7f3a\u7701\u4e3a\u9ed1\u8272. \uff08\u7ecf\u8fc7URL\u5b89\u5168\u7684Base64\u7f16\u7801\uff09 |\n| `\/dissolve\/<dissolve>` | | \u900f\u660e\u5ea6\uff0c\u53d6\u503c\u8303\u56f41-100\uff0c\u7f3a\u7701\u503c100\uff08\u5b8c\u5168\u4e0d\u900f\u660e\uff09 |\n| `\/rotate\/<rotate>` | | \u6c34\u5370\u6587\u5b57\u65cb\u8f6c\u89d2\u5ea6\uff0c[-180, 180]\uff0c \u9ed8\u8ba4\u4e3a0\u3002 |\n| `\/uw\/<unitW>` | | \u6c34\u5370\u6587\u5b57\u586b\u5145\u5355\u5143\u5bbd\u5ea6\uff0c\u9ed8\u8ba4\u503c\u4e3a100\u3002 |\n| `\/uh\/<unitH>` | | \u6c34\u5370\u6587\u5b57\u586b\u5145\u5355\u5143\u9ad8\u5ea6\uff0c\u9ed8\u8ba4\u503c\u4e3a100\u3002 |\n| `\/resize\/<resize>` | | \u6c34\u5370\u6587\u5b57\u586b\u5145\u5355\u5143\u7f29\u653e\u6bd4\u4f8b\uff0c[0.1\uff0c10]\uff0c\u9ed8\u8ba4\u4e3a1\uff08\u4e0d\u7f29\u653e\uff09\u3002 |\n\n\n\n### **\u6df7\u5408\u6c34\u5370**\n\n\u672c\u63a5\u53e3\u7528\u4e8e\u540c\u65f6\u5728\u4e00\u4e2a\u539f\u56fe\u4e0a\u6253\u591a\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u6c34\u5370\u3002\n\n\n\n### \u63a5\u53e3\u89c4\u683c\n\n```\nwatermark\/3\n \/text\/<textWaterMarkParams1>\n \/image\/<imageWaterMarkParams1>\n \/image\/<imageWaterMarkParams2>\n \/text\/<textWaterMarkParams2>\n ...\n```\n\n### \u53c2\u6570\u8bf4\u660e\n\n| \u53c2\u6570\u540d\u79f0 | \u5fc5\u586b | \u8bf4\u660e |\n| :------------------------------ | :--- | :----------------------------------------------------------- |\n| `\/image\/<imageWaterMarkParams>` | | \u53c2\u8003\u56fe\u7247\u6c34\u5370\u53c2\u6570 |\n| `\/text\/<textWaterMarkParams>` | | \u53c2\u8003\u6587\u5b57\u6c34\u5370\u53c2\u6570|\n\n**\u6ce8\u610f\uff1a**\n\n- \u7701\u7565\u53f7\u8868\u793a\u53ef\u4ee5\u9644\u52a0\u591a\u4e2a\u89c4\u683c\u53c2\u6570\u3002\n- \u56fe\u7247\u6c34\u5370\u4e0e\u6587\u5b57\u6c34\u5370\u7684\u89c4\u683c\u53ef\u4ee5\u6df7\u5199\uff0c\u6309\u7ed9\u5b9a\u987a\u5e8f\u5904\u7406\u3002\n\n\n\n### \u63a5\u53e3\u89c4\u683c\n\n```\nwatermark\/7\n \/ori\/<Orientation>\n \/startpos\/<StartPosition>\n \/stoppos\/<StopPosition>\n \/startclr\/<StartColor>\n \/stopclr\/<StopColor>\n```\n\n### \u53c2\u6570\u8bf4\u660e\n\n| \u540d\u79f0 | \u5fc5\u586b | \u8bf4\u660e |\n| ------------------------------- | ---- | ------------------------------------------------------------ |\n| `\/ori\/<orientation>` | Y | \u6e10\u53d8\u8272\u65b9\u5411\uff0c1 (\u81ea\u4e0a\u800c\u4e0b) 2 (\u81ea\u53f3\u5411\u5de6) 3 (\u81ea\u4e0b\u800c\u4e0a) 4 (\u81ea\u5de6\u5411\u53f3) |\n| `\/startpos\/<startPosition>` | Y | \u6e10\u53d8\u5f00\u59cb\u4f4d\u7f6e\u3002\u5355\u4f4d\u50cf\u7d20\uff08px\uff09, \u5982 10 |\n| `\/stoppos\/<stopPosition>` | Y | \u6e10\u53d8\u7ed3\u675f\u4f4d\u7f6e\u3002\u5355\u4f4d\u50cf\u7d20\uff08px\uff09, \u5982 100 |\n| `\/startclr\/<encodedStartColor>` | Y | \u5f00\u59cb\u4f4d\u7f6e\u989c\u8272\u53ca\u900f\u660e\u5ea6, \u5982 #FF0000FF\uff08\u7ea2\u8272\u4e0d\u900f\u660e) , \u9700\u8981\u7ecf\u8fc7URL\u5b89\u5168\u7684Base64\u7f16\u7801 |\n| `\/stopclr\/<encodedStopColor>` | Y | \u7ed3\u675f\u4f4d\u7f6e\u989c\u8272\u53ca\u900f\u660e\u5ea6, \u5982 #FF000000\uff08\u7ea2\u8272\u900f\u660e\uff09, \u9700\u8981\u7ecf\u8fc7URL\u5b89\u5168\u7684Base64\u7f16\u7801 |\n\n"}