{"id":383,"date":"2026-09-29T14:18:24","date_gmt":"2026-09-29T05:18:24","guid":{"rendered":"https:\/\/cg-method.com\/illustrator\/?p=383"},"modified":"2026-10-03T18:53:29","modified_gmt":"2026-10-03T09:53:29","slug":"illustrator-script-preflight","status":"publish","type":"post","link":"https:\/\/cg-method.com\/illustrator\/illustrator-script-preflight\/","title":{"rendered":"Illustrator\u30b9\u30af\u30ea\u30d7\u30c8\uff08jsx\uff09\u2502\u5165\u7a3f\u524d\u306bRGB\u30fb\u672a\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u30fb\u30ea\u30f3\u30af\u5207\u308c\u30fb\u767d\u306e\u30aa\u30fc\u30d0\u30fc\u30d7\u30ea\u30f3\u30c8\u3092\u4e00\u62ec\u3067\u898b\u3064\u3051\u308b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5165\u7a3f\u306e\u76f4\u524d\u306b\u3001\u30ab\u30e9\u30fc\u30e2\u30fc\u30c9\u3084\u6587\u5b57\u3001\u30ea\u30f3\u30af\u753b\u50cf\u3092\u3072\u3068\u3064\u305a\u3064\u78ba\u304b\u3081\u308b\u306e\u306f\u624b\u9593\u304c\u304b\u304b\u308a\u3001\u898b\u843d\u3068\u3057\u3082\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u958b\u3044\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u3088\u304f\u3042\u308b\u554f\u984c\u3092\u6570\u3048\u3066\u3001\u4e00\u89a7\u3067\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u30ab\u30e9\u30fc\u30e2\u30fc\u30c9\u304c RGB \u306b\u306a\u3063\u3066\u3044\u306a\u3044\u304b<\/li>\n\n\n<li>\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u5316\u3057\u3066\u3044\u306a\u3044\u6587\u5b57\u304c\u6b8b\u3063\u3066\u3044\u306a\u3044\u304b<\/li>\n\n\n<li>\u30ea\u30f3\u30af\u5207\u308c\u306e\u753b\u50cf\u304c\u306a\u3044\u304b<\/li>\n\n\n<li>\u57cb\u3081\u8fbc\u307f\u753b\u50cf\u306b RGB \u306e\u3082\u306e\u304c\u306a\u3044\u304b<\/li>\n\n\n<li>\u767d\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30aa\u30fc\u30d0\u30fc\u30d7\u30ea\u30f3\u30c8\u304c\u4ed8\u3044\u3066\u3044\u306a\u3044\u304b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u898b\u3064\u3051\u3066\u77e5\u3089\u305b\u308b\u3060\u3051\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u306f\u4f55\u3082\u66f8\u304d\u63db\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001Adobe Illustrator Scripting Guide\uff08Adobe\u306e\u8cc7\u6599\u3092\u3082\u3068\u306b\u6709\u5fd7\u304c\u516c\u958b\u3057\u3066\u3044\u308b\u7248\u30012026\u5e749\u670829\u65e5\u306b\u78ba\u8a8d\uff09\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u8aac\u660e\u3092\u3082\u3068\u306b\u4f5c\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2026\u5e7410\u67083\u65e5\u306bGrayColor\u306e\u767d\u5224\u5b9a\u3068\u3001\u30ea\u30f3\u30af\u60c5\u5831\u3092\u8aad\u3081\u306a\u304b\u3063\u305f\u9805\u76ee\u306e\u8868\u793a\u3092\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002\u767d\u30fb\u9ed2\u3068\u30ea\u30f3\u30af\u78ba\u8a8d\u306e\u5206\u5c90\u306f\u6a21\u64ec\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u8a66\u9a13\u3057\u3066\u3044\u307e\u3059\u3002Windows 11 Pro\uff0fIllustrator 30.8.2\u3067\u306e\u767d\u30fb\u9ed22\u56f3\u5f62\u306e\u691c\u51fa\u7d50\u679c\u3082\u5f8c\u8ff0\u3057\u307e\u3059\u3002\u30b0\u30eb\u30fc\u30d7\u3084\u8907\u5408\u30d1\u30b9\u3001\u30ea\u30f3\u30af\u72b6\u614b\u3054\u3068\u306e\u5b9f\u969b\u306e\u691c\u51fa\u7bc4\u56f2\u306f\u3001\u5f15\u304d\u7d9a\u304d\u5b9f\u6a5f\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30af\u30ea\u30d7\u30c8<\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>\/\/ \u5165\u7a3f\u524d\u306b\u3001\u3088\u304f\u3042\u308b\u554f\u984c\u3092\u4e00\u89a7\u306b\u3059\u308b\uff08\u4f55\u3082\u66f8\u304d\u63db\u3048\u306a\u3044\uff09\nfunction isWhite(c) {\n  if (c.typename === \"CMYKColor\") return c.cyan === 0 &amp;&amp; c.magenta === 0 &amp;&amp; c.yellow === 0 &amp;&amp; c.black === 0;\n  if (c.typename === \"RGBColor\") return c.red === 255 &amp;&amp; c.green === 255 &amp;&amp; c.blue === 255;\n  if (c.typename === \"GrayColor\") return c.gray === 100;\n  return false;\n}\n\nfunction main() {\n  if (app.documents.length === 0) { alert(\"\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u304b\u3089\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\"); return; }\n  var doc = app.activeDocument;\n  var msgs = [];\n\n  if (doc.documentColorSpace === DocumentColorSpace.RGB) msgs.push(\"\u30ab\u30e9\u30fc\u30e2\u30fc\u30c9\u304c RGB \u3067\u3059\");\n\n  if (doc.textFrames.length &gt; 0) msgs.push(\"\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u5316\u3057\u3066\u3044\u306a\u3044\u6587\u5b57\uff1a\" + doc.textFrames.length + \" \u500b\");\n\n  var missing = 0;\n  var unknownLinks = 0;\n  for (var i = 0; i &lt; doc.placedItems.length; i++) {\n    try { if (!doc.placedItems[i].file.exists) missing++; } catch (e) { unknownLinks++; }\n  }\n  if (missing &gt; 0) msgs.push(\"\u30ea\u30f3\u30af\u5207\u308c\u306e\u753b\u50cf\uff1a\" + missing + \" \u500b\");\n  if (unknownLinks &gt; 0) msgs.push(\"\u30ea\u30f3\u30af\u60c5\u5831\u3092\u78ba\u8a8d\u3067\u304d\u306a\u3044\u9805\u76ee\uff1a\" + unknownLinks + \" \u500b\uff08\u624b\u52d5\u3067\u78ba\u8a8d\uff09\");\n\n  var rgbImages = 0;\n  for (var j = 0; j &lt; doc.rasterItems.length; j++) {\n    if (doc.rasterItems[j].imageColorSpace === ImageColorSpace.RGB) rgbImages++;\n  }\n  if (rgbImages &gt; 0) msgs.push(\"\u57cb\u3081\u8fbc\u307f\u306e RGB \u753b\u50cf\uff1a\" + rgbImages + \" \u500b\");\n\n  var whiteOp = 0;\n  for (var k = 0; k &lt; doc.pathItems.length; k++) {\n    var p = doc.pathItems[k];\n    if (p.filled &amp;&amp; p.fillOverprint &amp;&amp; isWhite(p.fillColor)) whiteOp++;\n    else if (p.stroked &amp;&amp; p.strokeOverprint &amp;&amp; isWhite(p.strokeColor)) whiteOp++;\n  }\n  if (whiteOp &gt; 0) msgs.push(\"\u30aa\u30fc\u30d0\u30fc\u30d7\u30ea\u30f3\u30c8\u306e\u4ed8\u3044\u305f\u767d\uff1a\" + whiteOp + \" \u500b\");\n\n  alert(msgs.length === 0 ? \"\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5bfe\u8c61\u7bc4\u56f2\u3067\u306f\u691c\u51fa0\u4ef6\u3067\u3059\u3002\u5165\u7a3f\u6761\u4ef6\u306f\u5225\u9014\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\" : msgs.join(\"\\n\"));\n}\nmain();<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li>\u4e0a\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092 preflight.jsx \u3068\u3044\u3046\u540d\u524d\uff08BOM\u4ed8\u304d\u306eUTF-8\uff09\u3067\u4fdd\u5b58\u3059\u308b<\/li>\n\n\n<li>\u78ba\u304b\u3081\u305f\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f<\/li>\n\n\n<li>\u300c\u30d5\u30a1\u30a4\u30eb\u300d\u2192\u300c\u30b9\u30af\u30ea\u30d7\u30c8\u300d\u2192\u300c\u305d\u306e\u4ed6\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u300d\u304b\u3089\u5b9f\u884c\u3059\u308b<\/li>\n\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f55\u3082\u898b\u3064\u304b\u3089\u306a\u3051\u308c\u3070\u300c\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5bfe\u8c61\u7bc4\u56f2\u3067\u306f\u691c\u51fa0\u4ef6\u3067\u3059\u3002\u5165\u7a3f\u6761\u4ef6\u306f\u5225\u9014\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3001\u898b\u3064\u304b\u308c\u3070\u9805\u76ee\u3054\u3068\u306e\u6570\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8abf\u3079\u3066\u3044\u308b\u3053\u3068<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"min-width:8em !important\">\u9805\u76ee<\/th><th>\u4f7f\u3063\u3066\u3044\u308b\u30d7\u30ed\u30d1\u30c6\u30a3<\/th><\/tr><\/thead><tbody><tr><td>\u30ab\u30e9\u30fc\u30e2\u30fc\u30c9<\/td><td>doc.documentColorSpace<\/td><\/tr><tr><td>\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u5316\u3057\u3066\u3044\u306a\u3044\u6587\u5b57<\/td><td>doc.textFrames \u306e\u6570<\/td><\/tr><tr><td>\u30ea\u30f3\u30af\u5207\u308c<\/td><td>placedItems \u306e file \u304c\u5b58\u5728\u3059\u308b\u304b<\/td><\/tr><tr><td>\u57cb\u3081\u8fbc\u307f\u306e RGB \u753b\u50cf<\/td><td>rasterItems \u306e imageColorSpace<\/td><\/tr><tr><td>\u767d\u306e\u30aa\u30fc\u30d0\u30fc\u30d7\u30ea\u30f3\u30c8<\/td><td>pathItems \u306e fillOverprint\u30fbstrokeOverprint \u3068\u8272<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u767d\u304b\u3069\u3046\u304b\u306f\u3001CMYK\u306a\u3089\u3059\u3079\u30660%\u3001RGB\u306a\u3089255\u30fb255\u30fb255\u3001GrayColor\u306egray\u5024\u306a\u3089100\u3067\u5224\u65ad\u3057\u307e\u3059\u3002GrayColor\u306e\u6570\u5024\u3068\u30ab\u30e9\u30fc\u30d1\u30cd\u30eb\u306eK\u6fc3\u5ea6\u3092\u540c\u3058\u3082\u306e\u3068\u3057\u3066\u6271\u308f\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u8272\u306e\u767d\u30fb\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u3084\u30b7\u30f3\u30dc\u30eb\u306a\u3069\u306e\u691c\u51fa\u7bc4\u56f2\u306f\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u4fdd\u8a3c\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u30b0\u30eb\u30fc\u30d7\u5185\u3092\u542b\u3080\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u53c2\u7167\u7bc4\u56f2\u3082\u5b9f\u6a5f\u672a\u78ba\u8a8d\u3067\u3059\u3002\u6700\u5f8c\u306f\u30aa\u30fc\u30d0\u30fc\u30d7\u30ea\u30f3\u30c8\u30d7\u30ec\u30d3\u30e5\u30fc\u3067\u78ba\u304b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u691c\u51fa\u3055\u308c\u305f\u9805\u76ee\u304c\u5165\u7a3f\u4e0d\u5099\u304b\u306f\u3001\u6307\u5b9a\u3068\u7167\u5408\u3059\u308b<\/h2>\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8868\u793a\u3055\u308c\u305f\u9805\u76ee<\/th><th>\u3053\u306e\u691c\u51fa\u3060\u3051\u3067\u306f\u6c7a\u307e\u3089\u306a\u3044\u3053\u3068<\/th><th>\u6b21\u306e\u78ba\u8a8d<\/th><\/tr><\/thead><tbody><tr><td>RGB\u306e\u6587\u66f8\u30fb\u753b\u50cf<\/td><td>RGB\u3092\u8a31\u5bb9\u3059\u308b\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u304b\u3001CMYK\u3078\u306e\u5909\u63db\u304c\u5fc5\u8981\u304b\u3002<\/td><td>\u5165\u7a3f\u5148\u306e\u8272\u6761\u4ef6\u3068<a href=\"https:\/\/cg-method.com\/illustrator\/illustrator-pdf-x1a-x4\/\">PDF\/X\u306e\u9078\u629e<\/a>\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/td><\/tr><tr><td>\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u5316\u3057\u3066\u3044\u306a\u3044\u6587\u5b57<\/td><td>\u30d5\u30a9\u30f3\u30c8\u3092\u57cb\u3081\u8fbc\u3093\u3060PDF\u3092\u53d7\u3051\u4ed8\u3051\u308b\u304b\u3002<\/td><td>\u6587\u5b57\u3092\u6b8b\u3059\uff0f\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u5316\u3059\u308b\u6761\u4ef6\u3068\u5143AI\u306e\u4fdd\u7ba1\u3092\u6c7a\u3081\u308b\u3002<\/td><\/tr><tr><td>\u30ea\u30f3\u30af\u5207\u308c\u30fb\u30ea\u30f3\u30af\u60c5\u5831\u53d6\u5f97\u4e0d\u80fd<\/td><td>\u540c\u3058\u539f\u56e0\u3067\u306f\u306a\u304f\u3001\u53d6\u5f97\u4e0d\u80fd\u3092\u6b20\u843d\u78ba\u5b9a\u3078\u8aad\u307f\u66ff\u3048\u306a\u3044\u3002<\/td><td><a href=\"https:\/\/cg-method.com\/illustrator\/illustrator-package\/\">\u30ea\u30f3\u30af\u30d1\u30cd\u30eb\u3067\u4fee\u5fa9\u3068\u4fdd\u5b58\u5148\u3092\u78ba\u8a8d<\/a>\u3059\u308b\u3002<\/td><\/tr><tr><td>\u30d7\u30ed\u30bb\u30b9\u306e\u767d\u306e\u30aa\u30fc\u30d0\u30fc\u30d7\u30ea\u30f3\u30c8<\/td><td>\u7279\u8272\u306e\u767d\u30fb\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u30fb\u5168\u968e\u5c64\u306e\u691c\u51fa\u7d50\u679c\u306f\u4fdd\u8a3c\u3057\u306a\u3044\u3002<\/td><td><a href=\"https:\/\/cg-method.com\/illustrator\/illustrator-overprint\/\">\u767d\u306e\u7a2e\u985e\u3068\u30aa\u30fc\u30d0\u30fc\u30d7\u30ea\u30f3\u30c8\u30d7\u30ec\u30d3\u30e5\u30fc<\/a>\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p class=\"wp-block-paragraph\">\u691c\u51fa0\u4ef6\u306f\u5165\u7a3f\u5408\u683c\u306e\u5224\u5b9a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u767d\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u3068\u51fa\u529b\u306e\u8003\u3048\u65b9\u306f<a href=\"https:\/\/helpx.adobe.com\/illustrator\/using\/overprinting.html\">Adobe\u306e\u30aa\u30fc\u30d0\u30fc\u30d7\u30ea\u30f3\u30c8\u306e\u8aac\u660e<\/a>\u3001PDF\u306e\u8272\u30fb\u30d5\u30a9\u30f3\u30c8\u30fb\u900f\u660e\u306e\u8a2d\u5b9a\u306f<a href=\"https:\/\/helpx.adobe.com\/illustrator\/using\/pdf-options.html\">Adobe PDF\u30aa\u30d7\u30b7\u30e7\u30f3<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u63b2\u8f09\u30b3\u30fc\u30c9\u306e\u691c\u51fa\u6761\u4ef6\u3068\u3001\u5370\u5237\u5148\u306e\u53d7\u3051\u5165\u308c\u6761\u4ef6\u3092\u5206\u3051\u3066\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u5206\u304b\u3089\u306a\u3044\u3053\u3068<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u30ea\u30f3\u30af\u3057\u3066\u3044\u308b\u753b\u50cf\u304c RGB 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