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src/jquery.qrcode.js including <table> build from imbcmdth (Jon-Carlos Rivera)

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Jerome Etienne 2011-09-29 14:40:19 +02:00
parent af5e6ef282
commit 58c8167479
1 changed files with 45 additions and 2 deletions
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47
src/jquery.qrcode.js
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@ -19,14 +19,17 @@
var qrcode = new QRCode(options.typeNumber, options.correctLevel);
qrcode.addData(options.text);
qrcode.make();
// create canvas element
var canvas = document.createElement('canvas');
canvas.width = options.width;
canvas.height = options.height;
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++ ){
@ -38,9 +41,49 @@
return canvas;
}
// from Jon-Carlos Rivera (https://github.com/imbcmdth)
var createTable = function(){
// create the qrcode itself
var qrcode = new QRCode(options.typeNumber, options.correctLevel);
qrcode.addData(options.text);
qrcode.make();
var $table, $row, $col;
var row, col;
var tileS;
var border_width = (options.width + options.height) / 20; // 10% of the average(width, height)
// create table element
$table = $('<table></table>')
.css("width", options.width+"px")
.css("height", options.height+"px")
.css("border", "0px")
.css("border-collapse", "collapse")
.css("margin", border_width+"px")
.css('background-color', "#ffffff");
// compute tileS percentage
tileS = 100 / qrcode.getModuleCount();
// draw in the table
for(row = 0; row < qrcode.getModuleCount(); row++ ){
$row = $('<tr></tr>').css('height', tileS+"%").appendTo($table);
for(col = 0; col < qrcode.getModuleCount(); col++ ){
$col = $('<td></td>').css('width', tileS+"%").appendTo($row);
$col.css('background-color', qrcode.isDark(row, col) ? "#000000" : "#ffffff");
}
}
// return just built canvas
return $table;
}
return this.each(function(){
var canvas = createCanvas();
jQuery(canvas).appendTo(this);
//var element = createCanvas();
var element = createTable();
jQuery(element).appendTo(this);
});
};
})( jQuery );