{"id":32306,"date":"2024-11-25T08:32:40","date_gmt":"2024-11-25T00:32:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/32306\/"},"modified":"2024-11-25T08:32:40","modified_gmt":"2024-11-25T00:32:40","slug":"%e4%bd%bf%e7%94%a8-camanjs-%e5%bc%80%e5%8f%91%e8%87%aa%e5%ae%9a%e4%b9%89%e5%9b%be%e5%83%8f%e7%bc%96%e8%be%91%e5%99%a8%ef%bc%9a%e6%89%a9%e5%b1%95%e6%bb%a4%e9%95%9c%e9%80%89%e9%a1%b9%e5%92%8c%e6%b7%b7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/32306\/","title":{"rendered":"\u4f7f\u7528 CamanJS \u5f00\u53d1\u81ea\u5b9a\u4e49\u56fe\u50cf\u7f16\u8f91\u5668\uff1a\u6269\u5c55\u6ee4\u955c\u9009\u9879\u548c\u6df7\u5408\u6a21\u5f0f"},"content":{"rendered":"

\"\u4f7f\u7528<\/p>\n

\u5728\u6211\u4eec\u7684 CamanJS \u56fe\u50cf\u7f16\u8f91\u5668\u7cfb\u5217\u7684\u7b2c\u4e00\u4e2a\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4ec5\u4f7f\u7528\u5185\u7f6e\u8fc7\u6ee4\u5668\u6765\u7f16\u8f91\u56fe\u50cf\u3002\u8fd9\u9650\u5236\u4e86\u6211\u4eec\u4e00\u4e9b\u57fa\u672c\u6548\u679c\uff0c\u5982\u4eae\u5ea6\u3001\u5bf9\u6bd4\u5ea6\u548c 18 \u4e2a\u5176\u4ed6\u66f4\u590d\u6742\u7684\u6ee4\u955c\uff0c\u5982 Vintage\u3001Sunrise \u7b49\u3002\u5b83\u4eec\u90fd\u5f88\u5bb9\u6613\u5e94\u7528\uff0c\u4f46\u6211\u4eec\u65e0\u6cd5\u5b8c\u5168\u63a7\u5236\u6211\u4eec\u60f3\u8981\u7684\u56fe\u50cf\u7684\u5404\u4e2a\u50cf\u7d20\u8fdb\u884c\u7f16\u8f91\u3002<\/p>\n

\u5728\u7b2c\u4e8c\u4e2a\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4e86\u89e3\u4e86\u56fe\u5c42\u548c\u6df7\u5408\u6a21\u5f0f\uff0c\u8fd9\u4f7f\u6211\u4eec\u80fd\u591f\u66f4\u597d\u5730\u63a7\u5236\u6b63\u5728\u7f16\u8f91\u7684\u56fe\u50cf\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5728\u753b\u5e03\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u65b0\u56fe\u5c42\uff0c\u7528\u989c\u8272\u6216\u56fe\u50cf\u586b\u5145\u5b83\uff0c\u7136\u540e\u5c06\u5176\u653e\u7f6e\u5728\u7236\u56fe\u5c42\u4e0a\u5e76\u5e94\u7528\u6df7\u5408\u6a21\u5f0f\u3002\u7136\u800c\uff0c\u6211\u4eec\u4ecd\u7136\u6ca1\u6709\u521b\u5efa\u81ea\u5df1\u7684\u8fc7\u6ee4\u5668\uff0c\u5e76\u4e14\u6211\u4eec\u53ef\u4ee5\u5e94\u7528\u7684\u6df7\u5408\u6a21\u5f0f\u4ec5\u9650\u4e8e CamanJS \u5df2\u7ecf\u63d0\u4f9b\u7684\u6a21\u5f0f\u3002<\/p>\n

\u672c\u6559\u7a0b\u7684\u76ee\u7684\u662f\u6559\u60a8\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u6df7\u5408\u6a21\u5f0f\u548c\u6ee4\u955c\u3002\u6211\u4eec\u8fd8\u5c06\u89e3\u51b3\u5e93\u4e2d\u5b58\u5728\u7684\u4e00\u4e9b\u9519\u8bef\uff0c\u4ee5\u53ca\u5728\u60a8\u81ea\u5df1\u7684\u9879\u76ee\u4e2d\u4f7f\u7528 CamanJS \u65f6\u5982\u4f55\u4fee\u8865\u5b83\u4eec\u3002 <\/p>\n

\u521b\u5efa\u65b0\u7684\u6df7\u5408\u6a21\u5f0f<\/h2>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cCamanJS \u63d0\u4f9b\u5341\u79cd\u6df7\u5408\u6a21\u5f0f\u3002\u5b83\u4eec\u662f\u6b63\u5e38\u3001\u76f8\u4e58\u3001\u5c4f\u853d\u3001\u53e0\u52a0\u3001\u5dee\u503c\u3001\u52a0\u6cd5\u3001\u6392\u9664\u3001\u67d4\u5149\u3001\u53d8\u4eae\u548c\u53d8\u6697\u3002\u8be5\u5e93\u8fd8\u5141\u8bb8\u60a8\u6ce8\u518c\u81ea\u5df1\u7684\u6df7\u5408\u6a21\u5f0f\u3002\u8fd9\u6837\uff0c\u60a8\u5c31\u53ef\u4ee5\u63a7\u5236\u5f53\u524d\u56fe\u5c42\u548c\u7236\u56fe\u5c42\u7684\u76f8\u5e94\u50cf\u7d20\u5982\u4f55\u6df7\u5408\u5728\u4e00\u8d77\u4ee5\u4ea7\u751f\u6700\u7ec8\u7ed3\u679c\u3002<\/p>\n

\u60a8\u53ef\u4ee5\u4f7f\u7528 Caman.Blender.register(“blend_mode”, callback); \u521b\u5efa\u65b0\u7684\u6df7\u5408\u6a21\u5f0f\u3002\u6b64\u5904\uff0cblend_mode \u662f\u60a8\u8981\u7528\u6765\u8bc6\u522b\u60a8\u6b63\u5728\u521b\u5efa\u7684\u6df7\u5408\u6a21\u5f0f\u7684\u540d\u79f0\u3002\u56de\u8c03\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0c\u5176\u4e2d\u5305\u542b\u5f53\u524d\u56fe\u5c42\u4e0a\u4e0d\u540c\u50cf\u7d20\u548c\u7236\u56fe\u5c42\u4e0a\u76f8\u5e94\u50cf\u7d20\u7684 RGB \u503c\u3002\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b rgb \u901a\u9053\u7684\u6700\u7ec8\u503c\u3002<\/p>\n

\u4e0b\u9762\u662f\u81ea\u5b9a\u4e49\u6df7\u5408\u6a21\u5f0f\u7684\u793a\u4f8b\uff0c\u5982\u679c\u7236\u56fe\u5c42\u4e2d\u76f8\u5e94\u50cf\u7d20\u7684\u901a\u9053\u503c\u8d85\u8fc7 128\uff0c\u5219\u8be5\u50cf\u7d20\u7684\u5404\u4e2a\u901a\u9053\u7684\u503c\u8bbe\u7f6e\u4e3a 255\u3002\u5982\u679c\u8be5\u503c\u4f4e\u4e8e 128\uff0c\u5219\u6700\u7ec8\u901a\u9053\u503c\u662f\u7236\u901a\u9053\u503c\u51cf\u53bb\u5f53\u524d\u5c42\u901a\u9053\u503c\u7684\u7ed3\u679c\u3002\u8be5\u6df7\u5408\u6a21\u5f0f\u7684\u540d\u79f0\u662f maxrgb\u3002<\/p>\n

Caman.Blender.register(\"maxrgb\", function(rgbaLayer, rgbaParent) {\n    return {\n        r: rgbaParent.r &gt; 128 ? 255 : rgbaParent.r - rgbaLayer.r,\n        g: rgbaParent.g &gt; 128 ? 255 : rgbaParent.g - rgbaLayer.g,\n        b: rgbaParent.b &gt; 128 ? 255: rgbaParent.b - rgbaLayer.b\n    };\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8ba9\u6211\u4eec\u4ee5\u7c7b\u4f3c\u7684\u65b9\u5f0f\u521b\u5efa\u53e6\u4e00\u4e2a\u6df7\u5408\u6a21\u5f0f\u3002\u8fd9\u6b21\uff0c\u5982\u679c\u7236\u5c42\u5bf9\u5e94\u50cf\u7d20\u7684\u901a\u9053\u503c\u5927\u4e8e128\uff0c\u5219\u6700\u7ec8\u7684\u901a\u9053\u503c\u5c06\u88ab\u8bbe\u7f6e\u4e3a0\u3002\u5982\u679c\u7236\u5c42\u7684\u901a\u9053\u503c\u5c0f\u4e8e128\uff0c\u5219\u6700\u7ec8\u7ed3\u679c\u5c06\u662f\u76f8\u52a0\u7279\u5b9a\u50cf\u7d20\u7684\u5f53\u524d\u56fe\u5c42\u548c\u7236\u56fe\u5c42\u7684\u901a\u9053\u503c\u3002\u6b64\u6df7\u5408\u6a21\u5f0f\u5df2\u547d\u540d\u4e3a minrgb\u3002<\/p>\n
Caman.Blender.register(\"minrgb\", function(rgbaLayer, rgbaParent) {\n    return {\n        r: rgbaParent.r \n<p>\u60a8\u5e94\u8be5\u5c1d\u8bd5\u521b\u5efa\u81ea\u5df1\u7684\u6df7\u5408\u6a21\u5f0f\u8fdb\u884c\u7ec3\u4e60\u3002<\/p>\n<h2>\u521b\u5efa\u65b0\u7684\u57fa\u4e8e\u50cf\u7d20\u7684\u8fc7\u6ee4\u5668<\/h2>\n<p>CamanJS \u4e2d\u6709\u4e24\u5927\u7c7b\u8fc7\u6ee4\u5668\u3002\u60a8\u53ef\u4ee5\u4e00\u6b21\u5bf9\u6574\u4e2a\u56fe\u50cf\u8fdb\u884c\u4e00\u4e2a\u50cf\u7d20\u64cd\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5377\u79ef\u6838\u4fee\u6539\u56fe\u50cf\u3002\u5377\u79ef\u6838\u662f\u4e00\u4e2a\u77e9\u9635\uff0c\u5b83\u6839\u636e\u67d0\u4e2a\u50cf\u7d20\u5468\u56f4\u7684\u50cf\u7d20\u6765\u786e\u5b9a\u8be5\u50cf\u7d20\u7684\u989c\u8272\u3002\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u91cd\u70b9\u5173\u6ce8\u57fa\u4e8e\u50cf\u7d20\u7684\u6ee4\u6ce2\u5668\u3002\u5185\u6838\u64cd\u4f5c\u5c06\u5728\u4e0b\u4e00\u8282\u4e2d\u4ecb\u7ecd\u3002<\/p>\n<p>\u57fa\u4e8e\u50cf\u7d20\u7684\u6ee4\u955c\u4e00\u6b21\u7ed9\u51fa\u4e00\u4e2a\u50cf\u7d20\u7684 RGB \u901a\u9053\u503c\u3002\u8be5\u7279\u5b9a\u50cf\u7d20\u7684\u6700\u7ec8 RGB \u503c\u4e0d\u53d7\u5468\u56f4\u50cf\u7d20\u7684\u5f71\u54cd\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 Caman.Filter.register(\"filter_name\", callback); \u521b\u5efa\u81ea\u5df1\u7684\u8fc7\u6ee4\u5668\u3002\u60a8\u521b\u5efa\u7684\u4efb\u4f55\u8fc7\u6ee4\u5668\u90fd\u5fc5\u987b\u8c03\u7528 process() \u65b9\u6cd5\u3002\u6b64\u65b9\u6cd5\u63a5\u53d7\u8fc7\u6ee4\u5668\u540d\u79f0\u548c\u56de\u8c03\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\u5411\u60a8\u5c55\u793a\u5982\u4f55\u521b\u5efa\u57fa\u4e8e\u50cf\u7d20\u7684\u8fc7\u6ee4\u5668\uff0c\u5c06\u56fe\u50cf\u53d8\u6210\u7070\u5ea6\u3002\u8fd9\u662f\u901a\u8fc7\u8ba1\u7b97\u6bcf\u4e2a\u50cf\u7d20\u7684\u53d1\u5149\uff0c\u7136\u540e\u5c06\u5404\u4e2a\u901a\u9053\u7684\u503c\u8bbe\u7f6e\u4e3a\u7b49\u4e8e\u8ba1\u7b97\u7684\u53d1\u5149\u6765\u5b8c\u6210\u7684\u3002<\/p>\n<pre class=\"brush:javascript;toolbal:false;\">Caman.Filter.register(\"grayscale\", function () {\n    this.process(\"grayscale\", function (rgba) {\n        var lumin = (0.2126 * rgba.r) + (0.7152 * rgba.g) + (0.0722 * rgba.b);\n        rgba.r = lumin;\n        rgba.g = lumin;\n        rgba.b = lumin;\n    });\n    return this;\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u60a8\u53ef\u4ee5\u4ee5\u7c7b\u4f3c\u7684\u65b9\u5f0f\u521b\u5efa\u9608\u503c\u8fc7\u6ee4\u5668\u3002\u8fd9\u6b21\uff0c\u6211\u4eec\u5c06\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u4e00\u4e2a\u9608\u503c\u3002\u5982\u679c\u7279\u5b9a\u50cf\u7d20\u7684\u4eae\u5ea6\u9ad8\u4e8e\u7528\u6237\u63d0\u4f9b\u7684\u9650\u5236\uff0c\u5219\u8be5\u50cf\u7d20\u5c06\u53d8\u6210\u767d\u8272\u3002\u5982\u679c\u7279\u5b9a\u50cf\u7d20\u7684\u4eae\u5ea6\u4f4e\u4e8e\u7528\u6237\u63d0\u4f9b\u7684\u9650\u5236\uff0c\u8be5\u50cf\u7d20\u5c06\u53d8\u9ed1\u3002<\/p>\n
Caman.Filter.register(\"threshold\", function (limit) {\n    this.process(\"threshold\", function (rgba) {\n        var lumin = (0.2126 * rgba.r) + (0.7152 * rgba.g) + (0.0722 * rgba.b);\n        rgba.r = lumin &gt; limit ? 255 : 0;\n        rgba.g = lumin &gt; limit ? 255 : 0;\n        rgba.b = lumin &gt; limit ? 255 : 0;\n    });\n    return this;\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4f5c\u4e3a\u7ec3\u4e60\uff0c\u60a8\u5e94\u8be5\u5c1d\u8bd5\u521b\u5efa\u81ea\u5df1\u7684\u57fa\u4e8e\u50cf\u7d20\u7684\u8fc7\u6ee4\u5668\uff0c\u4f8b\u5982\uff0c\u589e\u52a0\u6240\u6709\u50cf\u7d20\u4e0a\u7279\u5b9a\u901a\u9053\u7684\u503c\u3002<\/p>\n
CamanJS \u8fd8\u5141\u8bb8\u60a8\u8bbe\u7f6e\u7edd\u5bf9\u548c\u76f8\u5bf9\u4f4d\u7f6e\u50cf\u7d20\u7684\u989c\u8272\uff0c\u800c\u4e0d\u662f\u64cd\u7eb5\u5f53\u524d\u50cf\u7d20\u7684\u989c\u8272\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u8fd9\u79cd\u884c\u4e3a\u6709\u70b9\u9519\u8bef\uff0c\u6240\u4ee5\u6211\u4eec\u5fc5\u987b\u91cd\u5199\u4e00\u4e9b\u65b9\u6cd5\u3002\u5982\u679c\u60a8\u67e5\u770b\u8be5\u5e93\u7684\u6e90\u4ee3\u7801\uff0c\u60a8\u4f1a\u6ce8\u610f\u5230 getPixel() \u548c putPixel() \u7b49\u65b9\u6cd5\u8c03\u7528\u4e86 \u65b9\u6cd5this \u4e0a\u7684 \u548c \u4e0a\u7684 \u548c \u3002\u4f46\u662f\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u4e0d\u662f\u5728\u539f\u578b\u4e0a\u5b9a\u4e49\u7684\uff0c\u800c\u662f\u5728\u7c7b\u672c\u8eab\u4e0a\u5b9a\u4e49\u7684\u3002<\/p>\n
\u8be5\u5e93\u7684\u53e6\u4e00\u4e2a\u95ee\u9898\u662f putPixelRelative() \u65b9\u6cd5\u5728\u4e24\u4e2a\u4e0d\u540c\u7684\u5730\u65b9\u4f7f\u7528\u53d8\u91cf\u540d\u79f0 nowLoc \u800c\u4e0d\u662f newLoc \u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u5728\u811a\u672c\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u89e3\u51b3\u8fd9\u4e24\u4e2a\u95ee\u9898\u3002<\/p>\n
Caman.Pixel.prototype.coordinatesToLocation = Caman.Pixel.coordinatesToLocation\nCaman.Pixel.prototype.locationToCoordinates = Caman.Pixel.locationToCoordinates\n\nCaman.Pixel.prototype.putPixelRelative = function (horiz, vert, rgba) {\n    var newLoc;\n    if (this.c == null) {\n        throw \"Requires a CamanJS context\";\n    }\n    newLoc = this.loc + (this.c.dimensions.width * 4 * (vert * -1)) + (4 * horiz);\n    if (newLoc &gt; this.c.pixelData.length || newLoc \n<p>\u66f4\u6b63\u4ee3\u7801\u540e\uff0c\u60a8\u73b0\u5728\u5e94\u8be5\u80fd\u591f\u521b\u5efa\u4f9d\u8d56\u4e8e putPixelRelative() \u7684\u8fc7\u6ee4\u5668\uff0c\u6ca1\u6709\u4efb\u4f55\u95ee\u9898\u3002\u8fd9\u662f\u6211\u521b\u5efa\u7684\u4e00\u4e2a\u8fd9\u6837\u7684\u8fc7\u6ee4\u5668\u3002<\/p>\n<pre class=\"brush:javascript;toolbal:false;\">Caman.Filter.register(\"erased\", function (adjust) {\n    this.process(\"erased\", function (rgba) {\n        if(Math.random() \n<p>\u6b64\u8fc7\u6ee4\u5668\u5c06\u5f53\u524d\u50cf\u7d20\u5411\u4e0a\u4e24\u884c\u548c\u53f3\u4fa7\u4e24\u5217\u7684\u50cf\u7d20\u503c\u968f\u673a\u8bbe\u7f6e\u4e3a\u767d\u8272\u3002\u8fd9\u4f1a\u64e6\u9664\u90e8\u5206\u56fe\u50cf\u3002\u8fd9\u5c31\u662f\u8fc7\u6ee4\u5668\u540d\u79f0\u7684\u7531\u6765\u3002<\/p>\n<h2>\u521b\u5efa\u65b0\u7684\u57fa\u4e8e\u5185\u6838\u64cd\u4f5c\u7684\u8fc7\u6ee4\u5668<\/h2>\n<p>\u6b63\u5982\u6211\u4e4b\u524d\u63d0\u5230\u7684\uff0cCamanJS \u5141\u8bb8\u60a8\u521b\u5efa\u81ea\u5b9a\u4e49\u6ee4\u955c\uff0c\u5176\u4e2d\u5f53\u524d\u50cf\u7d20\u7684\u989c\u8272\u7531\u5176\u5468\u56f4\u7684\u50cf\u7d20\u51b3\u5b9a\u3002\u57fa\u672c\u4e0a\uff0c\u8fd9\u4e9b\u6ee4\u955c\u4f1a\u904d\u5386\u60a8\u6b63\u5728\u7f16\u8f91\u7684\u56fe\u50cf\u4e2d\u7684\u6bcf\u4e2a\u50cf\u7d20\u3002\u56fe\u50cf\u4e2d\u7684\u4e00\u4e2a\u50cf\u7d20\u5c06\u88ab\u5176\u4ed6\u516b\u4e2a\u50cf\u7d20\u5305\u56f4\u3002\u56fe\u50cf\u4e2d\u8fd9\u4e5d\u4e2a\u50cf\u7d20\u7684\u503c\u4e58\u4ee5\u5377\u79ef\u77e9\u9635\u7684\u76f8\u5e94\u6761\u76ee\u3002\u7136\u540e\u5c06\u6240\u6709\u8fd9\u4e9b\u4e58\u79ef\u52a0\u5728\u4e00\u8d77\u4ee5\u83b7\u5f97\u50cf\u7d20\u7684\u6700\u7ec8\u989c\u8272\u503c\u3002\u60a8\u53ef\u4ee5\u5728 GIMP \u6587\u6863\u4e2d\u66f4\u8be6\u7ec6\u5730\u4e86\u89e3\u8be5\u8fc7\u7a0b\u3002<\/p>\n<p>\u5c31\u50cf\u57fa\u4e8e\u50cf\u7d20\u7684\u8fc7\u6ee4\u5668\u4e00\u6837\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Caman.Filter.register(\"filter_name\", callback); \u5b9a\u4e49\u81ea\u5df1\u7684\u5185\u6838\u64cd\u4f5c\u8fc7\u6ee4\u5668\u3002\u552f\u4e00\u7684\u533a\u522b\u662f\u60a8\u73b0\u5728\u5c06\u5728\u56de\u8c03\u51fd\u6570\u5185\u8c03\u7528 processKernel()\u3002<\/p>\n<p>\u8fd9\u662f\u4f7f\u7528\u5185\u6838\u64cd\u4f5c\u521b\u5efa\u6d6e\u96d5\u8fc7\u6ee4\u5668\u7684\u793a\u4f8b\u3002<\/p>\n<pre class=\"brush:javascript;toolbal:false;\">Caman.Filter.register(\"emboss\", function () {\n    this.processKernel(\"emboss\", [\n        -2, -1, 0,\n        -1, 1, 1,\n        0, 1, 2\n    ]);\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4ee5\u4e0b CodePen \u6f14\u793a\u5c06\u5c55\u793a\u6211\u4eec\u5728\u672c\u6559\u7a0b\u4e2d\u521b\u5efa\u7684\u6240\u6709\u8fc7\u6ee4\u5668\u7684\u5b9e\u9645\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u6700\u7ec8\u60f3\u6cd5<\/h2>\n
\u5728\u672c\u7cfb\u5217\u4e2d\uff0c\u6211\u51e0\u4e4e\u6db5\u76d6\u4e86 CamanJS \u5728\u57fa\u4e8e\u753b\u5e03\u7684\u56fe\u50cf\u7f16\u8f91\u65b9\u9762\u63d0\u4f9b\u7684\u6240\u6709\u5185\u5bb9\u3002\u60a8\u73b0\u5728\u5e94\u8be5\u80fd\u591f\u4f7f\u7528\u6240\u6709\u5185\u7f6e\u6ee4\u955c\u3001\u521b\u5efa\u65b0\u56fe\u5c42\u3001\u5728\u8fd9\u4e9b\u56fe\u5c42\u4e0a\u5e94\u7528\u6df7\u5408\u6a21\u5f0f\u4ee5\u53ca\u5b9a\u4e49\u60a8\u81ea\u5df1\u7684\u6df7\u5408\u6a21\u5f0f\u548c\u6ee4\u955c\u529f\u80fd\u3002 <\/p>\n<\/p>\n
\u60a8\u8fd8\u53ef\u4ee5\u6d4f\u89c8 CamanJS \u7f51\u7ad9\u4e0a\u7684\u6307\u5357\uff0c\u4ee5\u4e86\u89e3\u6211\u53ef\u80fd\u9519\u8fc7\u7684\u4efb\u4f55\u5185\u5bb9\u3002\u6211\u8fd8\u5efa\u8bae\u60a8\u9605\u8bfb\u8be5\u5e93\u7684\u6e90\u4ee3\u7801\uff0c\u4ee5\u4e86\u89e3\u6709\u5173\u56fe\u50cf\u5904\u7406\u7684\u66f4\u591a\u4fe1\u606f\u3002\u8fd9\u4e5f\u5c06\u5e2e\u52a9\u60a8\u53d1\u73b0\u5e93\u4e2d\u7684\u4efb\u4f55\u5176\u4ed6\u9519\u8bef\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528 CamanJS \u5f00\u53d1\u81ea\u5b9a\u4e49\u56fe\u50cf\u7f16\u8f91\u5668\uff1a\u6269\u5c55\u6ee4\u955c\u9009\u9879\u548c\u6df7\u5408\u6a21\u5f0f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u6211\u4eec\u7684 CamanJS \u56fe\u50cf\u7f16\u8f91\u5668\u7cfb\u5217\u7684\u7b2c\u4e00\u4e2a\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4ec5\u4f7f\u7528\u5185\u7f6e\u8fc7\u6ee4\u5668\u6765\u7f16\u8f91\u56fe\u50cf\u3002\u8fd9\u9650\u5236\u4e86\u6211\u4eec\u4e00\u4e9b\u57fa\u672c\u6548\u679c\uff0c\u5982\u4eae\u5ea6\u3001\u5bf9\u6bd4\u5ea6\u548c 18 \u4e2a\u5176\u4ed6\u66f4\u590d\u6742\u7684\u6ee4\u955c\uff0c\u5982 Vintage\u3001Sunrise \u7b49\u3002\u5b83\u4eec\u90fd\u5f88\u5bb9\u6613\u5e94\u7528\uff0c\u4f46\u6211\u4eec\u65e0\u6cd5\u5b8c\u5168\u63a7\u5236\u6211\u4eec\u60f3\u8981\u7684\u56fe\u50cf\u7684\u5404\u4e2a\u50cf\u7d20\u8fdb\u884c\u7f16\u8f91\u3002 \u5728\u7b2c\u4e8c\u4e2a\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4e86\u89e3\u4e86\u56fe\u5c42\u548c\u6df7\u5408\u6a21\u5f0f\uff0c\u8fd9\u4f7f\u6211\u4eec\u80fd\u591f\u66f4\u597d\u5730\u63a7\u5236\u6b63\u5728\u7f16\u8f91\u7684\u56fe\u50cf\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5728\u753b\u5e03\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u65b0\u56fe\u5c42\uff0c\u7528\u989c\u8272\u6216\u56fe\u50cf\u586b\u5145\u5b83\uff0c\u7136\u540e\u5c06\u5176\u653e\u7f6e\u5728\u7236\u56fe\u5c42\u4e0a\u5e76\u5e94\u7528\u6df7\u5408\u6a21\u5f0f\u3002\u7136\u800c\uff0c\u6211\u4eec\u4ecd\u7136\u6ca1\u6709\u521b\u5efa\u81ea\u5df1\u7684\u8fc7\u6ee4\u5668\uff0c\u5e76\u4e14\u6211\u4eec\u53ef\u4ee5\u5e94\u7528\u7684\u6df7\u5408\u6a21\u5f0f\u4ec5\u9650\u4e8e CamanJS \u5df2\u7ecf\u63d0\u4f9b\u7684\u6a21\u5f0f\u3002 \u672c\u6559\u7a0b\u7684\u76ee\u7684\u662f\u6559\u60a8\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u6df7\u5408\u6a21\u5f0f\u548c\u6ee4\u955c\u3002\u6211\u4eec\u8fd8\u5c06\u89e3\u51b3\u5e93\u4e2d\u5b58\u5728\u7684\u4e00\u4e9b\u9519\u8bef\uff0c\u4ee5\u53ca\u5728\u60a8\u81ea\u5df1\u7684\u9879\u76ee\u4e2d\u4f7f\u7528 CamanJS \u65f6\u5982\u4f55\u4fee\u8865\u5b83\u4eec\u3002 \u521b\u5efa\u65b0\u7684\u6df7\u5408\u6a21\u5f0f \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cCamanJS \u63d0\u4f9b\u5341\u79cd\u6df7\u5408\u6a21\u5f0f\u3002\u5b83\u4eec\u662f\u6b63\u5e38\u3001\u76f8\u4e58\u3001\u5c4f\u853d\u3001\u53e0\u52a0\u3001\u5dee\u503c\u3001\u52a0\u6cd5\u3001\u6392\u9664\u3001\u67d4\u5149\u3001\u53d8\u4eae\u548c\u53d8\u6697\u3002\u8be5\u5e93\u8fd8\u5141\u8bb8\u60a8\u6ce8\u518c\u81ea\u5df1\u7684\u6df7\u5408\u6a21\u5f0f\u3002\u8fd9\u6837\uff0c\u60a8\u5c31\u53ef\u4ee5\u63a7\u5236\u5f53\u524d\u56fe\u5c42\u548c\u7236\u56fe\u5c42\u7684\u76f8\u5e94\u50cf\u7d20\u5982\u4f55\u6df7\u5408\u5728\u4e00\u8d77\u4ee5\u4ea7\u751f\u6700\u7ec8\u7ed3\u679c\u3002 \u60a8\u53ef\u4ee5\u4f7f\u7528 Caman.Blender.register(“blend_mode”, callback); \u521b\u5efa\u65b0\u7684\u6df7\u5408\u6a21\u5f0f\u3002\u6b64\u5904\uff0cblend_mode \u662f\u60a8\u8981\u7528\u6765\u8bc6\u522b\u60a8\u6b63\u5728\u521b\u5efa\u7684\u6df7\u5408\u6a21\u5f0f\u7684\u540d\u79f0\u3002\u56de\u8c03\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0c\u5176\u4e2d\u5305\u542b\u5f53\u524d\u56fe\u5c42\u4e0a\u4e0d\u540c\u50cf\u7d20\u548c\u7236\u56fe\u5c42\u4e0a\u76f8\u5e94\u50cf\u7d20\u7684 RGB \u503c\u3002\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b rgb \u901a\u9053\u7684\u6700\u7ec8\u503c\u3002 \u4e0b\u9762\u662f\u81ea\u5b9a\u4e49\u6df7\u5408\u6a21\u5f0f\u7684\u793a\u4f8b\uff0c\u5982\u679c\u7236\u56fe\u5c42\u4e2d\u76f8\u5e94\u50cf\u7d20\u7684\u901a\u9053\u503c\u8d85\u8fc7 128\uff0c\u5219\u8be5\u50cf\u7d20\u7684\u5404\u4e2a\u901a\u9053\u7684\u503c\u8bbe\u7f6e\u4e3a 255\u3002\u5982\u679c\u8be5\u503c\u4f4e\u4e8e 128\uff0c\u5219\u6700\u7ec8\u901a\u9053\u503c\u662f\u7236\u901a\u9053\u503c\u51cf\u53bb\u5f53\u524d\u5c42\u901a\u9053\u503c\u7684\u7ed3\u679c\u3002\u8be5\u6df7\u5408\u6a21\u5f0f\u7684\u540d\u79f0\u662f maxrgb\u3002 Caman.Blender.register(“maxrgb”, function(rgbaLayer, rgbaParent) { return { r: rgbaParent.r &gt; 128 ? 255 : rgbaParent.r – rgbaLayer.r, g: rgbaParent.g &gt; 128 ? 255 : rgbaParent.g – […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-32306","post","type-post","status-publish","format-standard","hentry","category-cms"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=32306"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32306\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=32306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=32306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=32306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}