{"id":1402,"date":"2022-04-05T19:56:36","date_gmt":"2022-04-05T10:56:36","guid":{"rendered":"https:\/\/www.miracleave.co.jp\/contents\/?p=1402"},"modified":"2023-05-23T10:02:30","modified_gmt":"2023-05-23T01:02:30","slug":"post-1402","status":"publish","type":"post","link":"https:\/\/www.miracleave.co.jp\/contents\/1402\/post-1402\/","title":{"rendered":"jsPDF\u3092\u4f7f\u3063\u3066Konva\u306estage\u8981\u7d20\u3092PDF\u5316\u3059\u308b\u969b\u306b\u56f0\u3063\u305f\u8a71"},"content":{"rendered":"\n

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Konva.js\u3068\u306f\uff1f<\/h2>\n\n\n\n

Konva.js\u306fJavaScript\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3001div\u30bf\u30b0\u5185\u306ecanvas\u8981\u7d20\u3092\u4f5c\u6210\u3057\u3001\u56f3\u5f62\u306e\u751f\u6210\u3084\u7de8\u96c6\u3001\u753b\u50cf\u306e\u914d\u7f6e\u7b49\u304c\u3067\u304d\u307e\u3059\u3002stage\u3068\u3044\u3046\u6700\u4e0b\u5c64\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u4e0a\u306b\u3001\u8907\u6570\u306elayer\u3092\u8ffd\u52a0\u3057\u3066\u753b\u9762\u63cf\u753b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

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jsPDF\u3068\u306f\uff1f<\/h2>\n\n\n\n

JavaScript\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002\u751f\u6210\u3055\u308c\u305fjsPDF\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u5bfe\u3057\u3001\u30c6\u30ad\u30b9\u30c8\u3084\u56f3\u5f62\u3001\u753b\u50cf\u7b49\u3092\u8ffd\u52a0\u3057\u3001\u7c21\u5358\u306bPDF\u3092\u4f5c\u6210\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

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\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068<\/h2>\n\n\n\n

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var stage = self.$refs["stage"];\nvar getStage = stage.getStage();<\/code><\/pre><\/div>\n\n\n\n
$refs[“stage”]\u3067\u53d6\u5f97\u3057\u305fstage\u8981\u7d20\u304b\u3089\u3001getStage()\u3059\u308b\u3053\u3068\u3067stage\u8981\u7d20\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\uff08\u6700\u521d\u3001$refs\u3067\u53d6\u5f97\u3057\u305f\u6bb5\u968e\u3067stage\u304c\u53d6\u308c\u305f\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001stage\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u30ed\u30b0\u51fa\u529b\u3057\u305f\u3068\u3053\u308d\u3001\u66f4\u306bgetStage()\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u3084\u3084\u3053\u3057\u3044\u3002\u3002\u3002\uff09<\/p>\n\n\n\n
stage\u8981\u7d20\u3092\u53d6\u5f97\u3067\u304d\u305f\u3068\u3053\u308d\u3067\u3001scale\u3068position\u3092\u521d\u671f\u5316\u3057\u3066\u3042\u3052\u307e\u3059\u3002<\/p>\n\n\n\n
getStage.setScale({ x: 1, y: 1 });\ngetStage.setPosition({ x: 0, y: 0 });<\/code><\/pre><\/div>\n\n\n\n
scale\u306f\u62e1\u5927\u7e2e\u5c0f\u7387\u306a\u306e\u3067\u3001\u7b49\u500d\u3067\u3042\u308b1\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002
position\u306f\u3001\u753b\u9762\u4e0a\u3067stage\u8981\u7d20\u3092\u30c9\u30e9\u30c3\u30b0\u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u3001\u5ea7\u6a19\u4f4d\u7f6e\u30920\u306b\u623b\u3057\u3066\u3042\u3052\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3067\u3001stage\u8981\u7d20\u3092\u7b49\u500d\u304b\u3064\u6b63\u3057\u304fPDF\u5316\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
PDF\u5316\u95a2\u6570\u306e\u5168\u4f53\u7684\u306a\u30bd\u30fc\u30b9\u306f\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n\n\n\n
function downloadPdf(self) {\n  \/\/stage\u3092\u53d6\u5f97\n  var stage = self.$refs["stage"];\n  var getStage = stage.getStage();\n\n  \/\/pdf\u30b5\u30a4\u30ba\u3068\u306a\u308b\u7e26\u6a2a\u306e\u5e45\u3092\u53d6\u5f97\n  var width = getStage.attrs.width;\n  var height = getStage.attrs.height;\n\n  \/\/pdf\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\n  var pdf = new jsPDF({\n    orientation: "l",\n    unit: "px"\n    format: [width, height],\n    compress: true,\n  });\n\n  \/\/\u73fe\u72b6\u306escale\u3068position\u3092\u53d6\u5f97\n  var scale = getStage.getScale();\n  var position = getStage.getPosition();\n\n  \/\/scale\u3068position\u3092\u521d\u671f\u5316\n  getStage.setScale({ x: 1, y: 1 });\n  getStage.setPosition({ x: 0, y: 0 });\n\n  \/\/pdf\u5316\u51e6\u7406\n  var output = getStage.toImage({\n    callback(image) {\n      \/\/pdf\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306bimage\u3092\u8ffd\u52a0\n      pdf.addImage(image, 10, 10, width, height);\n\n      \/\/scale\u3068position\u3092\u5143\u306b\u623b\u3059\n      getStage.setScale(scale);\n      getStage.setPosition(position);\n\n      \/\/pdf\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\n      pdf.save("hoge.pdf");\n    },\n    mimeType: "image\/png",\n    x: 10,\n    y: 10,\n    width: width,\n    height: height,\n  });\n}<\/code><\/pre><\/div>\n\n\n\n
\u89e3\u8aac<\/h2>\n\n\n\n
7\u30018\u884c\u76ee\u3067\u7e26\u5e45\u3068\u6a2a\u5e45\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u304c\u3001PDF\u51fa\u529b\u3055\u305b\u305f\u3044\u5e45\u3092\u56fa\u5b9a\u5024\u3067\u5165\u308c\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u4f8b\u3068\u3057\u3066\u3001\u3053\u3053\u3067\u306fstage\u305d\u306e\u3082\u306e\u306e\u7e26\u6a2a\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
11\u884c\u76ee\u3067\u3001jsPDF\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002\u4f5c\u6210\u3059\u308b\u969b\u3001\u5f15\u6570\u3092\u3044\u304f\u3064\u304b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
orientation\uff1apdf\u3092\u51fa\u529b\u3059\u308b\u969b\u306e\u5411\u304d\uff08\u7e26\u304b\u6a2a\u304b\uff09\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u8a2d\u5b9a\u5024\u306b\u201dl\u201d\uff08landscape\u306el\uff09\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u70ba\u3001\u51fa\u529b\u3055\u308c\u308b\u969b\u306f\u6a2a\u5411\u304d\u306b\u306a\u308a\u307e\u3059\u3002
unit\uff1a\u51fa\u529b\u3059\u308b\u969b\u306e\u5358\u4f4d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306fpx\u306a\u306e\u3067\u3001\u308f\u3056\u308f\u3056\u66f8\u304b\u306a\u304f\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u3002
format\uff1a\u7e26\u6a2a\u5e45\u306e\u30b5\u30a4\u30ba\u3067\u3059\u3002a4\u3084b5\u306a\u3069\u3068\u3044\u3063\u305f\u6307\u5b9a\u306e\u4ed5\u65b9\u3082\u3067\u304d\u307e\u3059\u3057\u3001\u4eca\u56de\u306e\u3088\u3046\u306b\u914d\u5217\u3067\u76f4\u63a5\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002
compress\uff1apdf\u3092\u51fa\u529b\u3059\u308b\u969b\u3001\u5727\u7e2e\u3059\u308b\u304b\u3069\u3046\u304b\u3092true\u304bfalse\u3067\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u81ea\u5206\u304c\u8a66\u3057\u305f\u3068\u304d\u306f\u3001\u6307\u5b9a\u3057\u306a\u3044\u3068\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u3068\u3093\u3067\u3082\u306a\u3044\u3053\u3068\u306b\u306a\u3063\u305f\u306e\u3067\u3001true\u306b\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3002\u3002<\/p>\n\n\n\n
19\u300120\u884c\u76ee\u3067\u306f\u3001\u73fe\u72b6\u306escale\u3068position\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002
\u4e00\u65e6\u4fdd\u6301\u3057\u3066\u304a\u304d\u3001\u3053\u308c\u3089\u3092\u521d\u671f\u5316\u3057\u305f\u5f8c\u306b33\u300134\u884c\u76ee\u3067\u5143\u306e\u5024\u306b\u623b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
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\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u306f\u3001toImage()\u30e1\u30bd\u30c3\u30c9\u306e\u7b2c\u4e00\u5f15\u6570\u304ccallback\u95a2\u6570\u306e\u70ba\u3001\u305d\u306e\u4e2d\u3067pdf\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306bimage\u3092\u6e21\u3057\u3001save\u51e6\u7406\u3057\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n
\u7d42\u308f\u308a\u306b<\/h2>\n\n\n\n
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