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ensure the width and height of the table are equal when render with 'table' #35

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@Tim-Zhang

if the width and height are not equal,it will be wrong in sometimes

example code:

qrcode({text:'otpauth://totp/zewenzhang@tom.com?secret=RRJC2J4TV3366ULY', width:150, height:150, render:'table'});

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Commits on Nov 22, 2012
  1. ensure the width and height of the table are equal when render with '…

    TimZhang authored
    …table' suppliment
Commits on Jan 10, 2013
  1. change correntlevel from 2 to 0

    TimZhang authored
This page is out of date. Refresh to see the latest.
Showing with 12 additions and 8 deletions.
  1. +7 −3 jquery.qrcode.min.js
  2. +5 −5 src/jquery.qrcode.js
View
10 jquery.qrcode.min.js
@@ -1,3 +1,5 @@
+define(function(require,exports,module) {
+var jQuery = require('jquery').sub();
(function(r){r.fn.qrcode=function(h){var s;function u(a){this.mode=s;this.data=a}function o(a,c){this.typeNumber=a;this.errorCorrectLevel=c;this.modules=null;this.moduleCount=0;this.dataCache=null;this.dataList=[]}function q(a,c){if(void 0==a.length)throw Error(a.length+"/"+c);for(var d=0;d<a.length&&0==a[d];)d++;this.num=Array(a.length-d+c);for(var b=0;b<a.length-d;b++)this.num[b]=a[b+d]}function p(a,c){this.totalCount=a;this.dataCount=c}function t(){this.buffer=[];this.length=0}u.prototype={getLength:function(){return this.data.length},
write:function(a){for(var c=0;c<this.data.length;c++)a.put(this.data.charCodeAt(c),8)}};o.prototype={addData:function(a){this.dataList.push(new u(a));this.dataCache=null},isDark:function(a,c){if(0>a||this.moduleCount<=a||0>c||this.moduleCount<=c)throw Error(a+","+c);return this.modules[a][c]},getModuleCount:function(){return this.moduleCount},make:function(){if(1>this.typeNumber){for(var a=1,a=1;40>a;a++){for(var c=p.getRSBlocks(a,this.errorCorrectLevel),d=new t,b=0,e=0;e<c.length;e++)b+=c[e].dataCount;
for(e=0;e<this.dataList.length;e++)c=this.dataList[e],d.put(c.mode,4),d.put(c.getLength(),j.getLengthInBits(c.mode,a)),c.write(d);if(d.getLengthInBits()<=8*b)break}this.typeNumber=a}this.makeImpl(!1,this.getBestMaskPattern())},makeImpl:function(a,c){this.moduleCount=4*this.typeNumber+17;this.modules=Array(this.moduleCount);for(var d=0;d<this.moduleCount;d++){this.modules[d]=Array(this.moduleCount);for(var b=0;b<this.moduleCount;b++)this.modules[d][b]=null}this.setupPositionProbePattern(0,0);this.setupPositionProbePattern(this.moduleCount-
@@ -23,6 +25,8 @@ this.getLength()-a.getLength())return this;for(var c=l.glog(this.get(0))-l.glog(
55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,
45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]];p.getRSBlocks=function(a,c){var d=p.getRsBlockTable(a,c);if(void 0==d)throw Error("bad rs block @ typeNumber:"+a+"/errorCorrectLevel:"+c);for(var b=d.length/3,e=[],f=0;f<b;f++)for(var h=d[3*f+0],g=d[3*f+1],j=d[3*f+2],l=0;l<h;l++)e.push(new p(g,j));return e};p.getRsBlockTable=function(a,c){switch(c){case 1:return p.RS_BLOCK_TABLE[4*(a-1)+0];case 0:return p.RS_BLOCK_TABLE[4*(a-1)+1];case 3:return p.RS_BLOCK_TABLE[4*
(a-1)+2];case 2:return p.RS_BLOCK_TABLE[4*(a-1)+3]}};t.prototype={get:function(a){return 1==(this.buffer[Math.floor(a/8)]>>>7-a%8&1)},put:function(a,c){for(var d=0;d<c;d++)this.putBit(1==(a>>>c-d-1&1))},getLengthInBits:function(){return this.length},putBit:function(a){var c=Math.floor(this.length/8);this.buffer.length<=c&&this.buffer.push(0);a&&(this.buffer[c]|=128>>>this.length%8);this.length++}};"string"===typeof h&&(h={text:h});h=r.extend({},{render:"canvas",width:256,height:256,typeNumber:-1,
-correctLevel:2,background:"#ffffff",foreground:"#000000"},h);return this.each(function(){var a;if("canvas"==h.render){a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();var c=document.createElement("canvas");c.width=h.width;c.height=h.height;for(var d=c.getContext("2d"),b=h.width/a.getModuleCount(),e=h.height/a.getModuleCount(),f=0;f<a.getModuleCount();f++)for(var i=0;i<a.getModuleCount();i++){d.fillStyle=a.isDark(f,i)?h.foreground:h.background;var g=Math.ceil((i+1)*b)-Math.floor(i*b),
-j=Math.ceil((f+1)*b)-Math.floor(f*b);d.fillRect(Math.round(i*b),Math.round(f*e),g,j)}}else{a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();c=r("<table></table>").css("width",h.width+"px").css("height",h.height+"px").css("border","0px").css("border-collapse","collapse").css("background-color",h.background);d=h.width/a.getModuleCount();b=h.height/a.getModuleCount();for(e=0;e<a.getModuleCount();e++){f=r("<tr></tr>").css("height",b+"px").appendTo(c);for(i=0;i<a.getModuleCount();i++)r("<td></td>").css("width",
-d+"px").css("background-color",a.isDark(e,i)?h.foreground:h.background).appendTo(f)}}a=c;jQuery(a).appendTo(this)})}})(jQuery);
+correctLevel:0,background:"#ffffff",foreground:"#000000"},h);return this.each(function(){var a;if("canvas"==h.render){a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();var c=document.createElement("canvas");c.width=h.width;c.height=h.height;for(var d=c.getContext("2d"),b=h.width/a.getModuleCount(),e=h.height/a.getModuleCount(),f=0;f<a.getModuleCount();f++)for(var i=0;i<a.getModuleCount();i++){d.fillStyle=a.isDark(f,i)?h.foreground:h.background;var g=Math.ceil((i+1)*b)-Math.floor(i*b),
+j=Math.ceil((f+1)*b)-Math.floor(f*b);d.fillRect(Math.round(i*b),Math.round(f*e),g,j)}}else{a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();c=r("<table></table>").css("border","0px").css("border-collapse","collapse").css("background-color",h.background).css("table-layout","fixed");d=Math.round(h.width/a.getModuleCount());b=Math.round(h.height/a.getModuleCount());for(e=0;e<a.getModuleCount();e++){f=r("<tr></tr>").css("height",b+"px").appendTo(c);for(i=0;i<a.getModuleCount();i++)r("<td></td>").css("width",
+d+"px").css("paddding",0).css("background-color",a.isDark(e,i)?h.foreground:h.background).appendTo(f)}}a=c;jQuery(a).appendTo(this)})}})(jQuery);
+module.exports = jQuery;
+});
View
10 src/jquery.qrcode.js
@@ -55,15 +55,14 @@
// create table element
var $table = $('<table></table>')
- .css("width", options.width+"px")
- .css("height", options.height+"px")
.css("border", "0px")
.css("border-collapse", "collapse")
- .css('background-color', options.background);
+ .css('background-color', options.background)
+ .css('table-layout', "fixed");
// compute tileS percentage
- var tileW = options.width / qrcode.getModuleCount();
- var tileH = options.height / qrcode.getModuleCount();
+ var tileW = Math.round(options.width / qrcode.getModuleCount());
+ var tileH = Math.round(options.height / qrcode.getModuleCount());
// draw in the table
for(var row = 0; row < qrcode.getModuleCount(); row++ ){
@@ -72,6 +71,7 @@
for(var col = 0; col < qrcode.getModuleCount(); col++ ){
$('<td></td>')
.css('width', tileW+"px")
+ .css('padding', 0)
.css('background-color', qrcode.isDark(row, col) ? options.foreground : options.background)
.appendTo($row);
}
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