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Resolve UTF8 support, that is supported Chinese #4

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9bfca9a
Resolve UTF8 support, that is supported Chinese
ericdum Dec 20, 2013
6145548
支持中文
ericdum Jan 7, 2014
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5 changes: 4 additions & 1 deletion README
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Original file line number Diff line number Diff line change
@@ -1,4 +1,7 @@
This example shows how you can create a QR Code PNG using Javascript and HTML5.
支持中文

Demo：
https://chrome.google.com/webstore/detail/sweet-qr-code-maker/hejblflceieoemjadbnlpplaajbneedn

Notes:
---
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22 changes: 21 additions & 1 deletion qrcode.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@

function QR8bitByte(data) {
this.mode = QRMode.MODE_8BIT_BYTE;
this.data = data;
this.data = this.toUTF8(data);
}

QR8bitByte.prototype = {
Expand All @@ -34,6 +34,26 @@ QR8bitByte.prototype = {
// not JIS ...
buffer.put(this.data.charCodeAt(i), 8);
}
},

toUTF8 : function(str) {
var out, i, len, c;
out = "";
len = str.length;
for(i = 0; i < len; i++) {
c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
out += str.charAt(i);
} else if (c > 0x07FF) {
out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
} else {
out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
}
}
return out;
}
};

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