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Unicode supporting

This commit is contained in:
CPunisher 2020-05-15 20:10:30 +08:00
parent 8376f89379
commit c82f0e72f8
1 changed files with 43 additions and 19 deletions
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48
src/utils/qrcode.js
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@ -13,27 +13,51 @@
// http://www.denso-wave.com/qrcode/faqpatent-e.html
//
//---------------------------------------------------------------------
//---------------------------------------------------------------------
// QR8bitByte
//---------------------------------------------------------------------
/* eslint-disable */
function QR8bitByte(data) {
this.mode = QRMode.MODE_8BIT_BYTE;
this.data = data;
this.parsedData = [];
// Added to support UTF-8 Characters
for (var i = 0, l = this.data.length; i < l; i++) {
var byteArray = [];
var code = this.data.charCodeAt(i);
if (code > 0x10000) {
byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
byteArray[3] = 0x80 | (code & 0x3F);
} else if (code > 0x800) {
byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
byteArray[2] = 0x80 | (code & 0x3F);
} else if (code > 0x80) {
byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
byteArray[1] = 0x80 | (code & 0x3F);
} else {
byteArray[0] = code;
}
this.parsedData.push(byteArray);
}
this.parsedData = Array.prototype.concat.apply([], this.parsedData);
if (this.parsedData.length != this.data.length) {
this.parsedData.unshift(191);
this.parsedData.unshift(187);
this.parsedData.unshift(239);
}
}
QR8bitByte.prototype = {
getLength: function (buffer) {
return this.data.length;
return this.parsedData.length;
},
write: function (buffer) {
for (let i = 0; i < this.data.length; i++) {
// not JIS ...
buffer.put(this.data.charCodeAt(i), 8);
for (var i = 0, l = this.parsedData.length; i < l; i++) {
buffer.put(this.parsedData[i], 8);
}
}
};