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Update jquery.qrcode.js to support Chrome & Opera #70

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Update jquery.qrcode.js to support Chrome & Opera #70

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36 changes: 21 additions & 15 deletions src/jquery.qrcode.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,23 +22,25 @@
var qrcode = new QRCode(options.typeNumber, options.correctLevel);
qrcode.addData(options.text);
qrcode.make();


//TAM - Determine tile pixel size from approximate overall Code size / module grid count. Floor to integer pixels.
var qrModuleCount = qrcode.getModuleCount();
var tileW = Math.floor (options.width / qrModuleCount);
var tileH = Math.floor (options.height / qrModuleCount);

// create canvas element
var canvas = document.createElement('canvas');
canvas.width = options.width;
canvas.height = options.height;
//TAM - Determine actual canvas size based on tile size * module grid count.
canvas.width = tileW * qrModuleCount;
canvas.width = tileH * qrModuleCount;
var ctx = canvas.getContext('2d');

// compute tileW/tileH based on options.width/options.height
var tileW = options.width / qrcode.getModuleCount();
var tileH = options.height / qrcode.getModuleCount();

// draw in the canvas
for( var row = 0; row < qrcode.getModuleCount(); row++ ){
for( var col = 0; col < qrcode.getModuleCount(); col++ ){
ctx.fillStyle = qrcode.isDark(row, col) ? options.foreground : options.background;
var w = (Math.ceil((col+1)*tileW) - Math.floor(col*tileW));
var h = (Math.ceil((row+1)*tileW) - Math.floor(row*tileW));
var w = tileW;
var h = tileW;
ctx.fillRect(Math.round(col*tileW),Math.round(row*tileH), w, h);
}
}
Expand All @@ -52,19 +54,23 @@
var qrcode = new QRCode(options.typeNumber, options.correctLevel);
qrcode.addData(options.text);
qrcode.make();
//TAM - Determine tile pixel size from approximate overall Code size / module grid count. Floor to integer pixels.
var qrModuleCount = qrcode.getModuleCount();
var tileW = Math.floor (options.width / qrModuleCount);
var tileH = Math.floor (options.height / qrModuleCount);;

//TAM - Determine actual canvas size based on tile size * module grid count.
var tblW = tileW * qrcode.getModuleCount();
var tblH = tileH * qrcode.getModuleCount();

// create table element
var $table = $('<table></table>')
.css("width", options.width+"px")
.css("height", options.height+"px")
.css("width", tblW +"px")
.css("height", tblH+"px")
.css("border", "0px")
.css("border-collapse", "collapse")
.css('background-color', options.background);

// compute tileS percentage
var tileW = options.width / qrcode.getModuleCount();
var tileH = options.height / qrcode.getModuleCount();

// draw in the table
for(var row = 0; row < qrcode.getModuleCount(); row++ ){
var $row = $('<tr></tr>').css('height', tileH+"px").appendTo($table);
Expand Down