{"id":361,"date":"2019-01-29T23:41:09","date_gmt":"2019-01-29T14:41:09","guid":{"rendered":"https:\/\/dalomo.net\/blog\/?p=361"},"modified":"2019-05-19T22:51:01","modified_gmt":"2019-05-19T13:51:01","slug":"qr%e3%82%b3%e3%83%bc%e3%83%89%e3%82%b8%e3%82%a7%e3%83%8d%e3%83%ac%e3%83%bc%e3%82%bf%e3%83%bc%e3%83%bbqr%e3%82%b3%e3%83%bc%e3%83%89%e4%bd%9c%e6%88%90%e3%81%99%e3%82%8b%e3%82%a2%e3%83%97%e3%83%aa","status":"publish","type":"post","link":"https:\/\/dalomo.net\/blog\/2019\/01\/29\/361\/","title":{"rendered":"QR\u30b3\u30fc\u30c9\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u30fbQR\u30b3\u30fc\u30c9\u4f5c\u6210\u3059\u308b\u30a2\u30d7\u30ea\u3092\u4f5c\u308a\u305f\u3044"},"content":{"rendered":"

QR\u30b3\u30fc\u30c9\u30ea\u30fc\u30c0\u30fc\u3092\u4f5c\u308b\u524d\u306b\u3001\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u3092\u4f5c\u308a\u305f\u3044<\/h1>\n

\u4eca\u65e5\u3073QR\u30b3\u30fc\u30c9\u306a\u3093\u3066\u305d\u3053\u3089\u4e2d\u306b\u3042\u308b\u308f\u3051\u3060\u3051\u3069\u3001\u305b\u3063\u304b\u304f\u306a\u3089\u81ea\u5206\u3067\u4f5c\u3063\u305fQR\u30b3\u30fc\u30c9\u3092\u8aad\u3093\u3067\u307f\u305f\u3044\u3002\u306a\u306e\u3067\u307e\u305a\u5165\u529b\u3057\u305f\u6587\u5b57\u5217\u3092QR\u30b3\u30fc\u30c9\u306b\u5909\u63db\u3059\u308b\u3088\u3046\u306a\u30a2\u30d7\u30ea\u3092\u4f5c\u308a\u305f\u3044\u3002Howto\u3067\u306f\u306a\u3044\u3067\u3059\u3002\u3084\u3063\u305f\u5f8c\u306b\u898b\u3064\u3051\u305f\u3093\u3060\u3051\u3069\u3001\u3053\u3063\u3061<\/p>\n

https:\/\/qiita.com\/hoshiume11\/items\/0f496fe80df84875c132<\/a><\/p>\n

https:\/\/github.com\/journeyapps\/zxing-android-embedded<\/a><\/p>\n

\u306e\u304c\u3044\u3044\u3068\u601d\u3044\u307e\u3057\u305f\u3002\u304f\u305d\u3045\u3002<\/p>\n

QR\u30b3\u30fc\u30c9\u306e\u4ed5\u69d8\u3092\u898b\u3066\u5b9f\u88c5\u3059\u308b<\/h2>\n

\u306e\u306f\u7121\u7406\u3001\u6b7b\u306c\u3002\u306a\u306e\u3067\u51fa\u6765\u5408\u3044\u306e\u3082\u306e\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u63a2\u3059\u3002\u6700\u521d\u304b\u3089\u3084\u308a\u305f\u3044\u4eba\u306f\u3001\u3053\u3046\u3044\u3046<\/p>\n

https:\/\/www.qrcode.com\/about\/standards.html<\/a><\/p>\n

http:\/\/www.swetake.com\/qrcode\/qr1.html<\/a><\/p>\n

\u306e\u3092\u898b\u306a\u304c\u3089\u4f5c\u3063\u3066\u3044\u3051\u3070\u3088\u3044\u307f\u305f\u3044\u3067\u3059\u3002\u3059\u3054\u3044\u3088\u306a\u3041\u3001\u3053\u3046\u3044\u3046\u4eba\u305f\u3061\u3002<\/p>\n

QR-Code-generator\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3044\u305f\u3044<\/h2>\n

\u4f7f\u3044\u305f\u3044\u3002Github\u3092\u691c\u7d22\u3057\u3066\u305f\u3089\u3001<\/p>\n

https:\/\/github.com\/nayuki\/QR-Code-generator<\/a><\/p>\n

https:\/\/www.nayuki.io\/page\/qr-code-generator-library<\/a><\/p>\n

\u3053\u3061\u3089\u3092\u898b\u3064\u3051\u305f\u3002Java\u3063\u3066\u306a\u3063\u3066\u308b\u3057\u3001\u3044\u3051\u3093\u3060\u308d\u3068\u601d\u3063\u305f\u3002\u3053\u306e\u6642\u306f\u3002<\/p>\n

Gradle\u306b\u8ffd\u8a18\u3059\u308b<\/h3>\n
implementation 'io.nayuki:qrcodegen:1.4.0'<\/pre>\n
mavencentral\u3067jar\u304c\u516c\u958b<\/a>\u3055\u308c\u3066\u305f\u306e\u3067\u3001\u3053\u3046\u66f8\u3044\u3066Sync\u3057\u305f\u3089\u81ea\u52d5\u3067\u3084\u3063\u3066\u304f\u308c\u305f\u3002maven\u3067\u306e\u66f8\u304d\u65b9\u304c\u5206\u304b\u3089\u3093\u304b\u3063\u305f\u3051\u3069\u3001version\u30af\u30ea\u30c3\u30af\u3057\u3066\u53f3\u306e\u65b9\u306bgradle\u3067\u306e\u66f8\u304d\u65b9\u304c\u8f09\u3063\u3066\u3066\u52a9\u304b\u3063\u305f\u3002<\/p>\n
\u53c2\u8003<\/h4>\n
https:\/\/search.maven.org\/artifact\/io.nayuki\/qrcodegen\/1.4.0\/jar<\/a><\/p>\n
https:\/\/teratail.com\/questions\/30337<\/a><\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u307f\u308b\u2192\u5931\u6557<\/h3>\n
\"\"<\/a><\/p>\n
\u3042\u3063\u308b\u3047\u30fc?\u3044\u3064\u3082\u3069\u304a\u308aAlt+Enter\u3092\u62bc\u3057\u307e\u304f\u3063\u305f\u306e\u3060\u3051\u3069\u3001\u8d64\u3044\u306e\u304c\u6d88\u3048\u3066\u304f\u308c\u306a\u3044\u3002\u306a\u3093\u3067\u3084\u308d\u30fc\u3068\u601d\u3063\u305f\u3089\u3001Android\u3067\u306fBufferedImage\u306f\u4f7f\u3048\u306a\u3044\u307f\u305f\u3044\u3002\u306a\u3093\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u3042\u308c?\u3066\u3044\u3046\u3053\u3068\u306f\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u5229\u7528\u3067\u304d\u306a\u3044\u306e?\u3058\u3083\u3042\u3069\u3046\u3057\u3066\u308b\u306e?\u3068\u3001\u3061\u3087\u3063\u3053\u3057\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u5148\u99c6\u8005\u306fBufferedImage\u3092\u66f8\u304d\u63db\u3048\u3066Bitmap\u3068\u3044\u3046\u3082\u306e\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3088\u3046\u3060\u3002\u4f3c\u305f\u3088\u3046\u306a\u3082\u3093\u3060\u308d\u3046\u3057\u3001\u4ffa\u306b\u3082\u3067\u304d\u3093\u3060\u308d\u30fc\u3068\u601d\u3063\u305f\u306e\u304c\u6cbc\u306e\u59cb\u307e\u308a\u3067\u3042\u3063\u305f\u3002<\/p>\n
\u53c2\u8003<\/h4>\n
https:\/\/detail.chiebukuro.yahoo.co.jp\/qa\/question_detail\/q10147763825<\/a><\/p>\n
https:\/\/stackoverflow.com\/questions\/33210065\/how-can-i-import-java-awt-image-bufferedimage-in-android-studio<\/a><\/p>\n
http:\/\/pinmarch.sakura.ne.jp\/blog\/archives\/2010\/12\/01_001698.php<\/a><\/p>\n
https:\/\/web.archive.org\/web\/20160708194253\/http:\/\/d.hatena.ne.jp\/g1rolamo\/20101015\/1287101742<\/a><\/p>\n
QR-Code-generator\u30e9\u30a4\u30d6\u30e9\u30ea\u3092Android\u7528\u306b\u66f8\u304d\u63db\u3048\u305f\u3044<\/h2>\n
BufferedImage\u3067\u53d7\u3051\u3066\u308b\u3093\u3060\u304b\u3089\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4e2d\u306bBufferedImage\u3092\u4f7f\u3063\u3066\u308b\u90e8\u5206\u304c\u3042\u308b\u3093\u3060\u308d\u30fc\u306a\u30fc\u3068\u601d\u3044\u3001\u4e2d\u3092\u898b\u3066\u307f\u308b\u3053\u3068\u306b\u3002<\/p>\n
QR-Code-generator\u306e\u4e2d\u3092\u898b\u308b<\/h3>\n
\"\"<\/a><\/p>\n
\u5de6\u4e0a\u3092Project\u306b\u3057\u3066\u3001ExternalLibraries\u2192Gradle:io.nayuki:qrcodegen:1.4.0@jar\u2192qrcodegen-1.4.0.jar\u2192io.nayuki.qrcodegen\u3068\u9032\u3093\u3067\u3044\u304d\u3001\u4e2d\u306b\u5165\u3063\u3066\u308bclass\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u307f\u308b\u3068\u2026\u3001\u8d64\u3044\u3068\u3053\u3042\u3063\u305f!\u3053\u3053\u3092Android\u306eBitmap\u306b\u3057\u3066\u3051\u3070\u3044\u3044\u3093\u3060\u308d\u30fc\u306a\u30fc\u3068\u3001\u66f8\u304d\u63db\u3048\u3088\u3046\u3068\u601d\u3063\u305f\u3089<\/p>\n
File is read-only<\/p>\n
File is not Writable<\/p><\/blockquote>\n
\u306e\u8868\u793a\u304c\u304c\u304c\u2026\u3002\u3042\u3001\u307e\u3058\u3067\u3053\u308c\u3067\u304d\u306a\u3044\u3084\u3064\u3060\u3001\u3068\u601d\u3063\u305f\u306e\u3060\u3051\u308c\u3069\u3001\u30bd\u30fc\u30b9\u516c\u958b\u3055\u308c\u3066\u3093\u306e\u306b\u66f8\u304d\u63db\u3048\u3067\u304d\u306a\u3044\u3063\u3066\u3069\u3046\u3044\u3046\u3053\u3068\u3060\u3088\u3068\u601d\u3063\u305f\u3089\u3001\u81ea\u5206\u3067\u751f\u306ejava\u30d5\u30a1\u30a4\u30eb\u304b\u3089jar\u3092\u4f5c\u6210\u3059\u308c\u3070\u3044\u3051\u308b\u3063\u307d\u3044\u3002\u306a\u3093\u304b\u3069\u3093\u3069\u3093\u3084\u308b\u3053\u3068\u5897\u3048\u3066\u306a\u3044\u304b\u3002\u3050\u308b\u3050\u308b\u8abf\u3079\u3066\u3044\u308b\u3046\u3061\u306b\u3001\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u901f\u304f\u3057\u305f\u305c!\u3063\u3066\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u898b\u3064\u3051\u305f\u3002\u305d\u308c\u3082Java\u30aa\u30f3\u30ea\u30fc\u3084\u3067\u3002<\/p>\n
https:\/\/github.com\/nayuki\/Fast-QR-Code-generator<\/a><\/p>\n
https:\/\/www.nayuki.io\/page\/fast-qr-code-generator-library<\/a><\/p>\n
\u3069\u3046\u305b\u306a\u306e\u3067\u3001\u3053\u3063\u3061\u3092\u66f8\u304d\u63db\u3048\u3066\u307f\u305f\u3044\u3002\u307f\u305f\u3044\u3063\u3066\u3001\u3067\u304d\u308b\u306e\u304b\u306a\u3002<\/p>\n
\u53c2\u8003<\/h4>\n
https:\/\/ja.wikipedia.org\/wiki\/JAR_(%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9E%E3%83%83%E3%83%88)<\/a><\/p>\n
http:\/\/sakebook.hatenablog.com\/entry\/2014\/08\/17\/004540<\/a><\/p>\n
java.awt.BufferedImage\u3092android.graphics.Bitmap\u306b\u7f6e\u304d\u63db\u3048\u305f\u3044<\/h3>\n
BufferedImage\u306e\u65b9\u304c\u4f55\u3092\u3084\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u898b\u3066\u304d\u306a\u304c\u3089\u3001Bitmap\u306b\u305d\u308c\u3063\u307d\u3044\u306e\u304c\u306a\u3044\u304b\u63a2\u3057\u3066\u3044\u304f\u3002<\/p>\n
public BufferedImage<\/span> toImage(int scale, int border) {\r\n   if (scale <= 0 || border < 0)\r\n      throw new IllegalArgumentException(\"Value out of range\");\r\n   if (border > Integer.MAX_VALUE \/ 2 || size + border * 2L > Integer.MAX_VALUE \/ scale)\r\n      throw new IllegalArgumentException(\"Scale or border too large\");\r\n   \r\n   BufferedImage<\/span> result = new BufferedImage<\/span>((size + border * 2) * scale, (size + border * 2) * scale, BufferedImage<\/span>.TYPE_INT_RGB);\r\n   for (int y = 0; y < result.getHeight<\/span>(); y++) {\r\n      for (int x = 0; x < result.getWidth<\/span>(); x++) {\r\n         boolean color = getModule(x \/ scale - border, y \/ scale - border);\r\n         result.setRGB<\/span>(x, y, color ? 0x000000 : 0xFFFFFF);\r\n      }\r\n   }\r\n   return result;\r\n}<\/pre>\n
1\u884c\u76ee<\/h4>\n
BufferedImage\u306f\u3001\u307e\u3041\u8d64\u3044\u3002\u623b\u308a\u5024\u3092Bitmap\u306b\u3057\u305f\u3044\u304b\u3089\u3001\u3053\u3053\u306fBitmap\u306b\u3059\u308b\u3002<\/p>\n
2-5\u884c\u76ee<\/h4>\n
scale\u3068border\u3063\u3066\u306a\u3093\u3060\u308d\u3046\u3068\u601d\u3063\u305f\u3089\u3001scale\u306f\u5404\u30bb\u30eb(\u9ed2\u3044\u70b9\u30fb\u767d\u3044\u70b9)\u3092\u4f55\u500b\u306e\u30d4\u30af\u30bb\u30eb\u3067\u69cb\u6210\u3059\u308b\u304b\u307f\u305f\u3044\u3002\u4f8b\u3048\u3070scale=1\u3060\u3068\u30011\u30bb\u30eb=1\u30d4\u30af\u30bb\u30eb\u3060\u3057\u3001scale=2\u3060\u3068\u30011\u30bb\u30eb=4\u30d4\u30af\u30bb\u30eb\u306b\u306a\u308b\u3002\u3058\u3083\u3042border\u306f\u3068\u3044\u3046\u3068\u3001\u5916\u5074\u306e\u4f59\u767d\u90e8\u5206\u3092\u3069\u308c\u304f\u3089\u3044\u53d6\u308b\u304b\u3001\u3068\u3044\u3046\u5024\u307f\u305f\u3044\u3002\u3067\u3001\u3053\u306e\u884c\u3067\u306f\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u3001\u30aa\u30fc\u30d0\u30fc\u3060\u3063\u305f\u308a\u8db3\u308a\u306a\u304b\u3063\u305f\u308a\u3057\u305f\u3068\u304d\u306b\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3088\u3046\u306b\u3057\u3066\u308b\u3088\u3046\u3060\u3002\u3053\u3053\u306f\u5909\u3048\u306a\u304f\u3066\u3082\u3088\u3055\u305d\u3046\u3002\u591a\u5206\u3002<\/p>\n
7\u884c\u76ee<\/h4>\n
BufferedImage\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u8aad\u3093\u3067\u307f\u308b\u3002\u5f15\u6570\u304c3\u3064\u3060\u304b\u3089\u591a\u5206\u3053\u308c<\/a>\u3060\u308d\u3046\u3002\u7e26\u6a2a\u3068\u30ab\u30e9\u30fc\u30b9\u30da\u30fc\u30b9\u3092\u6307\u5b9a\u3057\u3066\u308b\u306e\u304b\u306a\u3002Android\u306e\u65b9\u3067\u3044\u3046\u3068\u3001BitmapFactory\u304b\u306a?\u4f7f\u3063\u305f\u3053\u3068\u3042\u308b\u3057\u3002\u3066\u3001\u601d\u3063\u305f\u3093\u3060\u3051\u3069\u9055\u3046\u307f\u305f\u3044\u3002\u3053\u308c\u306f\u30ea\u30bd\u30fc\u30b9\u304b\u3089\u8aad\u307f\u8fbc\u3080\u7528\u3067\u3001\u7121\u304b\u3089\u4f5c\u308a\u51fa\u3059\u306b\u306fcreateBitmap\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u3088\u3046\u3060\u3002\u5f15\u65703\u3064\u3067\u305d\u308c\u3063\u307d\u3044\u3084\u3064\u3068\u3044\u3063\u305f\u3089\u3053\u308c<\/a>\u304b\u306a\u3041\u3068\u601d\u3063\u305f\u306e\u3067\u3001\u66f8\u3044\u3066\u307f\u308b\u3002<\/p>\n
Bitmap result = Bitmap.createBitmap((size + border * 2) * scale, (size + border * 2) * scale, Bitmap.Config.ARGB_8888);<\/pre>\n
x,y\u306f\u305d\u306e\u307e\u307e\u3067\u3001\u554f\u984c\u306fBitmap.Config\u306a\u306e\u3060\u3051\u3069\u3001\u5143\u306eTYPE_INT_RGB<\/a>\u306f\u30a2\u30eb\u30d5\u30a1\u7121\u3057\u306e8\u30d3\u30c3\u30c8RGB\u306e\u3088\u3046\u3067Bitmap.Config\u306b\u306f\u305d\u3093\u306a\u3082\u306e\u306f\u7121\u3044\u3002\u30a2\u30eb\u30d5\u30a1\u4ed8\u304d\u3067\u8fd1\u3044\u3084\u3064\u304cARGB_8888<\/a>\u306a\u306e\u3067\u3001\u3053\u308c\u3067\u3044\u3063\u3066\u307f\u3088\u3046\u3002\u30a2\u30eb\u30d5\u30a1\u3063\u3064\u30fc\u306e\u306f\u900f\u660e\u5ea6\u306e\u3053\u3068\u3089\u3057\u3044\u3002<\/p>\n
8-9\u884c\u76ee<\/h4>\n
getHeight,getWidth\u306fBitmap\u306e\u65b9\u306b\u3082\u3042\u3063\u305f(getHeight<\/a>,getWidth<\/a>)\u3002\u623b\u308a\u5024\u3082int\u3060\u3057\u5927\u4e08\u592b\u3060\u3068\u601d\u3046\u3002\u3053\u306e\u884c\u3067\u5168\u30d4\u30af\u30bb\u30eb\u3092\u8d70\u67fb\u3057\u3066\u308b\u3093\u3060\u308d\u3046\u306a\u3041\u3002\u591a\u5206\u3002<\/p>\n
11\u884c\u76ee<\/h4>\n
setRGB\u306f\u5f15\u65703\u3064\u3060\u304b\u3089\u591a\u5206\u3053\u308c<\/a>\u3060\u3002x,y\u5ea7\u6a19\u306e\u30d4\u30af\u30bb\u30eb\u306b\u7b2c3\u5f15\u6570\u306eRGB\u5024\u306e\u8272\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3093\u3060\u308d\u3046\u3002\u3053\u306e\u66f8\u304d\u65b9\u304c\u3088\u304f\u5206\u304b\u3093\u306a\u304f\u3066\u30b0\u30b0\u308a\u307e\u304f\u3063\u305f\u30023\u9805\u6f14\u7b97\u5b50\u3068\u3044\u3046\u3089\u3057\u3044\u3002Bitmap\u306e\u65b9\u306b\u7121\u3044\u305e\u2026\u3001\u3042\u3063\u305f<\/a>\u3002setPixel\u3063\u3066\u540d\u524d\u306a\u306e\u306d\u3002\u66f8\u3044\u3066\u307f\u308b\u3002<\/p>\n
result.setPixel(x, y, color ? Color.argb(255, 0, 0, 0) : Color.argb(255, 255, 255, 255));<\/pre>\n
Bitmap\u306e\u65b9\u306b<\/p>\n
The color must be a non-premultiplied ARGB value in the sRGB color space.<\/p><\/blockquote>\n
\u3068\u3042\u308a\u3001BufferedImage\u306e\u65b9\u306f6\u684116\u9032\u6570\u306a\u306e\u3060\u3051\u3069\u3001\u30a2\u30eb\u30d5\u30a1\u3092\u30d7\u30e9\u30b9\u3057\u30668\u684116\u9032\u6570\u306b\u3057\u306a\u304d\u3083\u307f\u305f\u3044\u3002\u305f\u3060\u66f8\u304d\u65b9\u5206\u304b\u3093\u306d\u3047\u306a\u3068\u601d\u3063\u3066\u305f\u3089Color<\/a>\u306b\u3053\u3046\u66f8\u3051\u3001\u3068\u3044\u3046\u8a18\u8ff0\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u3053\u3046\u3057\u3066\u307f\u305f\u30020x\u8868\u8a18\u306e\u307b\u3046\u304c\u901f\u3044\u306e\u304b\u306a\u3002\u307e\u3041\u305d\u3046\u3060\u3088\u306a\u3001\u3044\u3061\u3044\u3061\u8a08\u7b97\u3059\u308b\u3088\u308a\u7d50\u679c\u304c\u66f8\u3044\u3066\u3042\u3063\u305f\u307b\u3046\u304c\u65e9\u305d\u3046\u3060\u3082\u3093\u306a\u3002\u3044\u3084\u3067\u3082\u305d\u3053\u3089\u3078\u3093\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u6700\u9069\u5316\u3068\u304b\u3057\u3066\u304f\u3093\u306a\u3044\u304b\u306a\u3002\u3057\u3066\u304f\u308c\u308b\u3053\u3068\u3092\u7948\u308d\u3046\u3002<\/p>\n
\u66f8\u304d\u63db\u3048\u5f8c<\/h4>\n
import android.graphics.Bitmap;\r\nimport android.graphics.Color;<\/pre>\n
public Bitmap toImage(int scale, int border) {\r\n    if (scale <= 0 || border < 0)\r\n        throw new IllegalArgumentException(\"Value out of range\");\r\n    if (border > Integer.MAX_VALUE \/ 2 || size + border * 2L > Integer.MAX_VALUE \/ scale)\r\n        throw new IllegalArgumentException(\"Scale or border too large\");\r\n\r\n    Bitmap result = Bitmap.createBitmap((size + border * 2) * scale, (size + border * 2) * scale, Bitmap.Config.ARGB_8888);\r\n    for (int y = 0; y < result.getHeight(); y++) {\r\n        for (int x = 0; x < result.getWidth(); x++) {\r\n            boolean color = getModule(x \/ scale - border, y \/ scale - border);\r\n            result.setPixel(x, y, color ? Color.argb(255, 0, 0, 0) : Color.argb(255, 255, 255, 255));\r\n        }\r\n    }\r\n    return result;\r\n}<\/pre>\n
\u4e0d\u601d\u8b70\u306a\u70b9<\/h4>\n
\u3053\u308c\u3067\u306a\u3093\u3067QR\u30b3\u30fc\u30c9\u306e\u753b\u50cf\u306e\u767d\u9ed2\u304c\u3067\u304d\u308b\u3093\u3060\u308d?\u3068\u7591\u554f\u304c\u6e67\u3044\u3066\u304d\u3066\u300110\u884c\u76ee\u306egetModule\u304c\u602a\u3057\u3044\u3068\u611f\u3058\u3066\u898b\u306b\u884c\u3063\u305f\u3089<\/p>\n
public boolean getModule(int x, int y) {\r\n   return 0 <= x && x < size && 0 <= y && y < size && modules[y][x];\r\n}<\/pre>\n
\u3053\u3093\u306a\u611f\u3058\u3060\u3063\u305f\u3002\u591a\u5206\u6700\u5f8c\u306emodules[y][x]\u306b\u767d\u9ed2\u3069\u3063\u3061\u306b\u3059\u308b\u304b\u306e\u30c7\u30fc\u30bf\u304c\u5165\u3063\u3066\u308b\u306e\u304b\u306a\u2026\u3002\u3068\u306b\u304b\u304f\u4e00\u5fdc\u66f8\u304d\u63db\u3048\u3089\u308c\u305f\u306e\u3067\u3001\u3053\u308c\u3067\u3044\u3063\u3066\u307f\u3088\u3046\u3002jar\u3092\u4f5c\u308b\u306e\u3067\u3059\u3002<\/p>\n
\u66f8\u304d\u63db\u3048\u305fjava\u30d5\u30a1\u30a4\u30eb\u3092\u5143\u306bjar\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308a\u305f\u3044\u2192\u7121\u7406<\/h2>\n
\u66f8\u304d\u63db\u3048\u7d42\u308f\u3063\u305f\u306e\u3067jar\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308a\u305f\u3044\u3002\u6d41\u308c\u3068\u3057\u3066\u306fjava\u30d5\u30a1\u30a4\u30eb\u3092class\u30d5\u30a1\u30a4\u30eb\u306b\u3057\u3066\u3001\u305d\u308c\u3092jar\u30d5\u30a1\u30a4\u30eb\u306b\u307e\u3068\u3081\u308b\u3063\u3066\u611f\u3058\u307f\u305f\u3044\u3002\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u3084\u308c\u3070\u3044\u3044\u307f\u305f\u3044\u3002\u610f\u6c17\u63da\u3005\u3068<\/p>\n
javac -encoding UTF-8 *.java<\/pre>\n
\u3068\u3084\u3063\u3066\u307f\u308b\u3068\u3001<\/p>\n
QrCode.java:26: \u30a8\u30e9\u30fc: \u30d1\u30c3\u30b1\u30fc\u30b8android.graphics\u306f\u5b58\u5728\u3057\u307e\u305b\u3093
\nimport android.graphics.Bitmap;
\n^
\nQrCode.java:27: \u30a8\u30e9\u30fc: \u30d1\u30c3\u30b1\u30fc\u30b8android.graphics\u306f\u5b58\u5728\u3057\u307e\u305b\u3093
\nimport android.graphics.Color;
\n^
\nQrCode.java:294: \u30a8\u30e9\u30fc: \u30b7\u30f3\u30dc\u30eb\u3092\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093
\npublic Bitmap toImage(int scale, int border) {
\n^
\n\u30b7\u30f3\u30dc\u30eb: \u30af\u30e9\u30b9 Bitmap
\n\u5834\u6240: \u30af\u30e9\u30b9 QrCode
\nQrCode.java:300: \u30a8\u30e9\u30fc: \u30b7\u30f3\u30dc\u30eb\u3092\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093
\nBitmap result = Bitmap.createBitmap((size + border * 2)
\n* scale, (size + border * 2) * scale, Bitmap.Config.ARGB_8888);
\n^
\n\u30b7\u30f3\u30dc\u30eb: \u30af\u30e9\u30b9 Bitmap
\n\u5834\u6240: \u30af\u30e9\u30b9 QrCode
\nQrCode.java:300: \u30a8\u30e9\u30fc: \u30d1\u30c3\u30b1\u30fc\u30b8Bitmap\u306f\u5b58\u5728\u3057\u307e\u305b\u3093
\nBitmap result = Bitmap.createBitmap((size + border * 2)
\n* scale, (size + border * 2) * scale, Bitmap.Config.ARGB_8888);<\/p>\n
^
\nQrCode.java:300: \u30a8\u30e9\u30fc: \u30b7\u30f3\u30dc\u30eb\u3092\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093
\nBitmap result = Bitmap.createBitmap((size + border * 2)
\n* scale, (size + border * 2) * scale, Bitmap.Config.ARGB_8888);
\n^
\n\u30b7\u30f3\u30dc\u30eb: \u5909\u6570 Bitmap
\n\u5834\u6240: \u30af\u30e9\u30b9 QrCode
\nQrCode.java:304: \u30a8\u30e9\u30fc: \u30b7\u30f3\u30dc\u30eb\u3092\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093
\nresult.setPixel(x, y, color ? Color.argb(255, 0,
\n0, 0) : Color.argb(255, 255, 255, 255));
\n^
\n\u30b7\u30f3\u30dc\u30eb: \u5909\u6570 Color
\n\u5834\u6240: \u30af\u30e9\u30b9 QrCode
\nQrCode.java:304: \u30a8\u30e9\u30fc: \u30b7\u30f3\u30dc\u30eb\u3092\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093
\nresult.setPixel(x, y, color ? Color.argb(255, 0,
\n0, 0) : Color.argb(255, 255, 255, 255));<\/p>\n
^
\n\u30b7\u30f3\u30dc\u30eb: \u5909\u6570 Color
\n\u5834\u6240: \u30af\u30e9\u30b9 QrCode
\n\u30a8\u30e9\u30fc8\u500b<\/p><\/blockquote>\n
\u306a\u3093\u2026\u3060\u3068\u2026\u3002\u3069\u3046\u3082android.graphics.Bitmap\u3068android.graphics.Color\u304c\u5b58\u5728\u3057\u3066\u306a\u3044\u304b\u3089\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u306a\u3044\u307f\u305f\u3044\u3002class\u30d5\u30a1\u30a4\u30eb\u304c\u3067\u304d\u306a\u3044\u307e\u307e\u3001<\/p>\n
jar -cvf fastqrcodegen.jar *.java<\/pre>\n
implementation files('libs\/fastqrcodegen.jar')<\/pre>\n
\u3068\u304b\u3084\u3063\u3066\u3082 \u3061\u3083\u3093\u3068\u3067\u304d\u306a\u3044\u3002\u304a\u3044\u30de\u30b8\u304b\u3001\u3053\u3053\u307e\u3067\u304d\u3066\u7121\u7406\u306a\u306e\u304b\u30fc\u3044\u3068\u304c\u3063\u304b\u308a\u3057\u305f\u3068\u3053\u308d\u3001Android\u7528\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u66f8\u3051\u3070\u3044\u3044\u307f\u305f\u3044\u306a\u611f\u3058\u306e\u8a18\u4e8b\u3092\u767a\u898b\u3057\u305f\u3002\u305f\u3060\u5168\u90e8\u30bd\u30fc\u30b9\u3092\u30b3\u30d4\u30da\u3060\u3002<\/p>\n
\u53c2\u8003<\/h3>\n
https:\/\/www.sejuku.net\/blog\/64490<\/a><\/p>\n
https:\/\/qiita.com\/hiwm0126\/items\/1b3c008c21463d78337a<\/a><\/p>\n
https:\/\/qiita.com\/HachiwareWorks\/items\/2b23b180d328df597fe4<\/a><\/p>\n
\u66f8\u304d\u63db\u3048\u305fjava\u30d5\u30a1\u30a4\u30eb\u3092\u5143\u306bAndroid\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u308a\u305f\u3044<\/h2>\n
\u3053\u3053<\/a>\u3092\u53c2\u8003\u306b\u65b0\u3057\u304fModule\u3092\u4f5c\u308a\u3001\u305d\u3053\u306ejava\u30d5\u30a9\u30eb\u30c0\u5185\u306b\u5143\u306ejava\u30d5\u30a1\u30a4\u30eb\u3068\u540c\u3058\u540d\u524d\u306eJavaClass\u3092\u4f5c\u308a\u5185\u5bb9\u3092\u30b3\u30d4\u30da\u3057\u3066\u3044\u304f\u3002\u679c\u305f\u3057\u3066\u305d\u3093\u306a\u3053\u3068\u304c\u8a31\u3055\u308c\u308b\u306e\u304b\u3001\u30e9\u30a4\u30bb\u30f3\u30b9\u7684\u306b\u3069\u3046\u306a\u3093\u3060\u3068\u3044\u3046\u601d\u3044\u3092\u7f6e\u304d\u53bb\u308a\u306b\u3001\u4f5c\u696d\u3092\u9032\u3081\u3066\u3044\u3063\u305f\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u3053\u3046\u306a\u308a\u307e\u3057\u305f\u3002QrCodeGeneratorDemo.java\u3068package-info.java\u306f\u7121\u304f\u3066\u3082\u5927\u4e08\u592b\u305d\u3046\u3060\u3063\u305f\u306e\u3067\u3001\u30b3\u30d4\u30da\u3057\u306a\u304b\u3063\u305f\u3002\u3042\u3068QrSegmentAdvanced.java\u3082\u3001Call requires API level\u2026\u304c\u51fa\u3066\u3057\u307e\u3044\u3001\u8d64\u5b57\u306e\u6d88\u3057\u65b9\u304c\u5206\u304b\u3089\u3093\u304b\u3063\u305f\u306e\u3067\u30b3\u30d4\u30da\u3057\u306a\u304b\u3063\u305f\u3002\u6700\u5f8c\u306bGradle\u306b<\/p>\n
implementation project(path: ':fastqrcodegen')<\/pre>\n
\u3068\u8ffd\u8a18\u3057\u3066Sync\u3059\u308b\u3068\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u305f\u3060\u3001\u306a\u3093\u304b\u3001\u7f6a\u60aa\u611f\u304c\u3042\u308b\u3093\u3060\u3051\u3069\u3001\u305d\u308c\u306f\u3082\u3046\u3057\u3087\u3046\u304c\u306a\u3044\u3088\u306d\u3002\u4ed6\u306e\u3084\u308a\u65b9\u304c\u308f\u304b\u3089\u3093\u3057\u2026\u3002<\/p>\n
Fast-QR-Code-generator\u3092\u8a66\u3057\u3066\u307f\u308b<\/h2>\n
\u9069\u5f53\u306bImageView\u3092\u8a2d\u7f6e\u3057\u3001onCreate\u306b<\/p>\n
imageView = findViewById(R.id.imageView);\r\n\r\nQrCode qr0 = QrCode.encodeText(\"Hello, world!\", QrCode.Ecc.MEDIUM);\r\nBitmap img = qr0.toImage(4, 10);\r\n\r\nimageView.setImageBitmap(img);<\/pre>\n
\u7d50\u679c\u304c\u3053\u3061\u3089<\/p>\n
\"\"<\/a><\/p>\n
\u3067\u3001\u3067\u304d\u305f\u2026\u3001\u3067\u304d\u305f\u305e\u30fc!!\u611f\u6168\u3082\u3072\u3068\u3057\u304a\u3067\u3042\u308b\u3002\u305f\u3060\u3001\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u304c\u306a\u30fc\u3044\u306e\u306d\u3002\u3042\u3089\u3001\u305d\u3046\u306a\u306e\u3002\u305d\u3046\u306a\u306e\u306d\u3002\u305d\u3063\u304b\u30fc\u3002<\/del>\u3064\u3044\u3066\u305f\u3002\u65e9\u3068\u3061\u308a\u3002\u30c7\u30fc\u30bf\u91cf\u591a\u304f\u306a\u308b\u3068\u4ed8\u304f\u3063\u307d\u3044\u3002\u3054\u3081\u3093\u306a\u3055\u3044\u3002<\/p>\n
\u53c2\u8003<\/h3>\n
https:\/\/www.javadrive.jp\/android\/imageview\/index2.html<\/a><\/p>\n
ZXing Android Embedded\u3092\u4f7f\u3063\u3066\u307f\u308b<\/h2>\n
\u3044\u3084\u30fc\u3001\u3053\u308c\u898b\u3064\u3051\u305f\u6642\u306f\u30b7\u30e7\u30c3\u30af\u3060\u3063\u305f\u306d\u3002\u4eca\u307e\u3067\u306e\u4ffa\u306e\u82e6\u52b4\u306f\u306a\u3093\u3060\u3063\u305f\u3093\u3060\u3001\u3064\u3063\u3066\u3002<\/p>\n
implementation 'com.journeyapps:zxing-android-embedded:3.6.0'<\/pre>\n
\u3092gradle\u306b\u8ffd\u8a18\u3002<\/p>\n
<application android:hardwareAccelerated=\"true\"><\/pre>\n
\u3092AndroidManifest.xml\u306b\u8ffd\u8a18\u3002\u751f\u6210\u306e\u5834\u5408\u306f\u3044\u3089\u3093\u3088\u3046\u3060\u3002<\/p>\n
try {\r\n    imageView = findViewById(R.id.imageView);\r\n    BarcodeEncoder barcodeEncoder = new BarcodeEncoder();\r\n    Bitmap bitmap = barcodeEncoder.encodeBitmap(\"Hello, world!\", BarcodeFormat.QR_CODE, 400, 400);\r\n    imageView.setImageBitmap(bitmap);\r\n} catch (WriterException e) {\r\n    e.printStackTrace();\r\n}<\/pre>\n
Github\u306e\u30b5\u30f3\u30d7\u30eb\u307b\u307c\u307e\u3093\u307e\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u306f\u3044\u3063\u3001\u3067\u304d\u307e\u3057\u305f\u30fc\u3002\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3082\u3064\u3044\u3066\u307e\u30fc\u3059\u3002<\/del>\u4e0a\u306e\u306b\u3082\u4ed8\u3044\u3066\u305f\u3002<\/p>\n
\u6240\u611f<\/h2>\n
\u3082\u3063\u3068\u3061\u3083\u3093\u3068\u30b0\u30b0\u308b\u3002<\/p>\n
\u3055\u3041\u6b21\u306f\u30ea\u30fc\u30c0\u30fc\u3092\u4f5c\u308b\u305e\u30fc!<\/p>\n","protected":false},"excerpt":{"rendered":"
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