diff --git a/qrcode.js b/qrcode.js index d630e57..519f68b 100644 --- a/qrcode.js +++ b/qrcode.js @@ -95,410 +95,403 @@ var QRCode; if(bit){this.buffer[bufIndex]|=(0x80>>>(this.length%8));} this.length++;}};var QRCodeLimitLength=[[17,14,11,7],[32,26,20,14],[53,42,32,24],[78,62,46,34],[106,84,60,44],[134,106,74,58],[154,122,86,64],[192,152,108,84],[230,180,130,98],[271,213,151,119],[321,251,177,137],[367,287,203,155],[425,331,241,177],[458,362,258,194],[520,412,292,220],[586,450,322,250],[644,504,364,280],[718,560,394,310],[792,624,442,338],[858,666,482,382],[929,711,509,403],[1003,779,565,439],[1091,857,611,461],[1171,911,661,511],[1273,997,715,535],[1367,1059,751,593],[1465,1125,805,625],[1528,1190,868,658],[1628,1264,908,698],[1732,1370,982,742],[1840,1452,1030,790],[1952,1538,1112,842],[2068,1628,1168,898],[2188,1722,1228,958],[2303,1809,1283,983],[2431,1911,1351,1051],[2563,1989,1423,1093],[2699,2099,1499,1139],[2809,2213,1579,1219],[2953,2331,1663,1273]]; - function _isSupportCanvas() { - return typeof CanvasRenderingContext2D != "undefined"; - } - - // android 2.x doesn't support Data-URI spec - - function _getAndroid() { - var android = false; - var sAgent = navigator.userAgent; - - if (/android/i.test(sAgent)) { // android - android = true; - aMat = sAgent.toString() - .match(/android ([0-9]\.[0-9])/i); - - if (aMat && aMat[1]) { - android = parseFloat(aMat[1]); - } - } - - return android; - } - - // Drawing in DOM by using Table tag - var Drawing = !_isSupportCanvas() ? (function() { - var Drawing = function(el, htOption) { - this._el = el; - this._htOption = htOption; - }; - - /** - * Draw the QRCode - * - * @param {QRCode} oQRCode - */ - Drawing.prototype.draw = function(oQRCode) { + function _isSupportCanvas() { + return typeof CanvasRenderingContext2D != "undefined"; + } + + // android 2.x doesn't support Data-URI spec + function _getAndroid() { + var android = false; + var sAgent = navigator.userAgent; + + if (/android/i.test(sAgent)) { // android + android = true; + aMat = sAgent.toString().match(/android ([0-9]\.[0-9])/i); + + if (aMat && aMat[1]) { + android = parseFloat(aMat[1]); + } + } + + return android; + } + + // Drawing in DOM by using Table tag + var Drawing = !_isSupportCanvas() ? (function () { + var Drawing = function (el, htOption) { + this._el = el; + this._htOption = htOption; + }; + + /** + * Draw the QRCode + * + * @param {QRCode} oQRCode + */ + Drawing.prototype.draw = function (oQRCode) { var _htOption = this._htOption; var _el = this._el; - var nCount = oQRCode.getModuleCount(); - var nWidth = Math.floor(_htOption.width / nCount); - var nHeight = Math.floor(_htOption.height / nCount); - var aHTML = ['']; - - for (var row = 0; row < nCount; row++) { - aHTML.push(''); - - for (var col = 0; col < nCount; col++) { - aHTML.push(''); - } - - aHTML.push(''); - } - - aHTML.push('
'); - _el.innerHTML = aHTML.join(''); - - // Fix the margin values as real size. - var elTable = _el.childNodes[0]; - var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2; - var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2; - - if (nLeftMarginTable > 0 && nTopMarginTable > 0) { - elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px"; - } - }; - - /** - * Clear the QRCode - */ - Drawing.prototype.clear = function() { - this._el.innerHTML = ''; - }; - - return Drawing; - })() : (function() { // Drawing in Canvas - - function _onMakeImage() { - this._elImage.src = this._elCanvas.toDataURL("image/png"); - this._elImage.style.display = "block"; - this._elCanvas.style.display = "none"; - } - - // Android 2.1 bug workaround - // http://code.google.com/p/android/issues/detail?id=5141 - if (this._android && this._android <= 2.1) { - var factor = 1 / window.devicePixelRatio; - var drawImage = CanvasRenderingContext2D.prototype.drawImage; - CanvasRenderingContext2D.prototype.drawImage = function(image, sx, sy, sw, sh, dx, dy, dw, dh) { - if (("nodeName" in image) && /img/i.test(image.nodeName)) { - for (var i = arguments.length - 1; i >= 1; i--) { - arguments[i] = arguments[i] * factor; - } - } else if (typeof dw == "undefined") { - arguments[1] *= factor; - arguments[2] *= factor; - arguments[3] *= factor; - arguments[4] *= factor; - } - - drawImage.apply(this, arguments); - }; - } - - /** - * Check whether the user's browser supports Data URI or not - * - * @private - * @param {Function} fSuccess Occurs if it supports Data URI - * @param {Function} fFail Occurs if it doesn't support Data URI - */ - - function _safeSetDataURI(fSuccess, fFail) { - var self = this; - self._fFail = fFail; - self._fSuccess = fSuccess; - - // Check it just once - if (self._bSupportDataURI === null) { - var el = document.createElement("img"); - var fOnError = function() { - self._bSupportDataURI = false; - - if (self._fFail) { - _fFail.call(self); - } - }; - var fOnSuccess = function() { - self._bSupportDataURI = true; - - if (self._fSuccess) { - self._fSuccess.call(self); - } - }; - - el.onabort = fOnError; - el.onerror = fOnError; - el.onload = fOnSuccess; - el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data. - return; - } else if (self._bSupportDataURI === true && self._fSuccess) { - self._fSuccess.call(self); - } else if (self._bSupportDataURI === false && self._fFail) { - self._fFail.call(self); - } - }; - - /** - * Drawing QRCode by using canvas - * - * @constructor - * @param {HTMLElement} el - * @param {Object} htOption QRCode Options - */ - var Drawing = function(el, htOption) { - this._bIsPainted = false; - this._android = _getAndroid(); - - this._htOption = htOption; - this._elCanvas = document.createElement("canvas"); - this._elCanvas.width = htOption.width; - this._elCanvas.height = htOption.height; - el.appendChild(this._elCanvas); - this._el = el; - this._oContext = this._elCanvas.getContext("2d"); - this._bIsPainted = false; - this._elImage = document.createElement("img"); - this._elImage.style.display = "none"; - this._el.appendChild(this._elImage); - this._bSupportDataURI = null; - }; - - /** - * Draw the QRCode - * - * @param {QRCode} oQRCode - */ - Drawing.prototype.draw = function(oQRCode) { + var nCount = oQRCode.getModuleCount(); + var nWidth = Math.floor(_htOption.width / nCount); + var nHeight = Math.floor(_htOption.height / nCount); + var aHTML = ['']; + + for (var row = 0; row < nCount; row++) { + aHTML.push(''); + + for (var col = 0; col < nCount; col++) { + aHTML.push(''); + } + + aHTML.push(''); + } + + aHTML.push('
'); + _el.innerHTML = aHTML.join(''); + + // Fix the margin values as real size. + var elTable = _el.childNodes[0]; + var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2; + var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2; + + if (nLeftMarginTable > 0 && nTopMarginTable > 0) { + elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px"; + } + }; + + /** + * Clear the QRCode + */ + Drawing.prototype.clear = function () { + this._el.innerHTML = ''; + }; + + return Drawing; + })() : (function () { // Drawing in Canvas + function _onMakeImage() { + this._elImage.src = this._elCanvas.toDataURL("image/png"); + this._elImage.style.display = "block"; + this._elCanvas.style.display = "none"; + } + + // Android 2.1 bug workaround + // http://code.google.com/p/android/issues/detail?id=5141 + if (this._android && this._android <= 2.1) { + var factor = 1 / window.devicePixelRatio; + var drawImage = CanvasRenderingContext2D.prototype.drawImage; + CanvasRenderingContext2D.prototype.drawImage = function (image, sx, sy, sw, sh, dx, dy, dw, dh) { + if (("nodeName" in image) && /img/i.test(image.nodeName)) { + for (var i = arguments.length - 1; i >= 1; i--) { + arguments[i] = arguments[i] * factor; + } + } else if (typeof dw == "undefined") { + arguments[1] *= factor; + arguments[2] *= factor; + arguments[3] *= factor; + arguments[4] *= factor; + } + + drawImage.apply(this, arguments); + }; + } + + /** + * Check whether the user's browser supports Data URI or not + * + * @private + * @param {Function} fSuccess Occurs if it supports Data URI + * @param {Function} fFail Occurs if it doesn't support Data URI + */ + function _safeSetDataURI(fSuccess, fFail) { + this._fFail = fFail; + this._fSuccess = fSuccess; + + // Check it just once + if (this._bSupportDataURI === null) { + var el = document.createElement("img"); + var fOnError = function () { + this._bSupportDataURI = false; + + if (this._fFail) { + _fFail.call(this); + } + }; + var fOnSuccess = function () { + this._bSupportDataURI = true; + + if (this._fSuccess) { + _fSuccess.call(this); + } + }; + + el.onabort = fOnError; + el.onerror = fOnError; + el.onload = fOnSuccess; + el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data. + return; + } else if (this._bSupportDataURI === true && this._fSuccess) { + _fSuccess.call(this); + } else if (this._bSupportDataURI === false && this._fFail) { + _fFail.call(this); + } + }; + + /** + * Drawing QRCode by using canvas + * + * @constructor + * @param {HTMLElement} el + * @param {Object} htOption QRCode Options + */ + var Drawing = function (el, htOption) { + this._bIsPainted = false; + this._android = _getAndroid(); + + this._htOption = htOption; + this._elCanvas = document.createElement("canvas"); + this._elCanvas.width = htOption.width; + this._elCanvas.height = htOption.height; + el.appendChild(this._elCanvas); + this._el = el; + this._oContext = this._elCanvas.getContext("2d"); + this._bIsPainted = false; + this._elImage = document.createElement("img"); + this._elImage.style.display = "none"; + this._el.appendChild(this._elImage); + this._bSupportDataURI = null; + }; + + /** + * Draw the QRCode + * + * @param {QRCode} oQRCode + */ + Drawing.prototype.draw = function (oQRCode) { var _elImage = this._elImage; var _oContext = this._oContext; var _htOption = this._htOption; - - var nCount = oQRCode.getModuleCount(); - var nWidth = _htOption.width / nCount; - var nHeight = _htOption.height / nCount; - var nRoundedWidth = Math.round(nWidth); - var nRoundedHeight = Math.round(nHeight); - - _elImage.style.display = "none"; - this.clear(); - - for (var row = 0; row < nCount; row++) { - for (var col = 0; col < nCount; col++) { - var bIsDark = oQRCode.isDark(row, col); - var nLeft = col * nWidth; - var nTop = row * nHeight; - _oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight; - _oContext.lineWidth = 1; - _oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight; - _oContext.fillRect(nLeft, nTop, nWidth, nHeight); - - // 안티 앨리어싱 방지 처리 - _oContext.strokeRect( - Math.floor(nLeft) + 0.5, - Math.floor(nTop) + 0.5, - nRoundedWidth, - nRoundedHeight); - - _oContext.strokeRect( - Math.ceil(nLeft) - 0.5, - Math.ceil(nTop) - 0.5, - nRoundedWidth, - nRoundedHeight); - } - } - - this._bIsPainted = true; - }; - - /** - * Make the image from Canvas if the browser supports Data URI. - */ - Drawing.prototype.makeImage = function() { - if (this._bIsPainted) { - _safeSetDataURI.call(this, _onMakeImage); - } - }; - - /** - * Return whether the QRCode is painted or not - * - * @return {Boolean} - */ - Drawing.prototype.isPainted = function() { - return this._bIsPainted; - }; - - /** - * Clear the QRCode - */ - Drawing.prototype.clear = function() { - this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height); - this._bIsPainted = false; - }; - - /** - * @private - * @param {Number} nNumber - */ - Drawing.prototype.round = function(nNumber) { - if (!nNumber) { - return nNumber; - } - - return Math.floor(nNumber * 1000) / 1000; - }; - - return Drawing; - })(); - - /** - * Get the type by string length - * - * @private - * @param {String} sText - * @param {Number} nCorrectLevel - * @return {Number} type - */ - - function _getTypeNumber(sText, nCorrectLevel) { - var nType = 1; - - for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) { - var nLimit = 0; - - switch (nCorrectLevel) { - case QRErrorCorrectLevel.L: - nLimit = QRCodeLimitLength[i][0]; - break; - case QRErrorCorrectLevel.M: - nLimit = QRCodeLimitLength[i][1]; - break; - case QRErrorCorrectLevel.Q: - nLimit = QRCodeLimitLength[i][2]; - break; - case QRErrorCorrectLevel.H: - nLimit = QRCodeLimitLength[i][3]; - break; - } - - if (sText.length <= nLimit) { - break; - } else { - nType++; - } - } - - if (nType > QRCodeLimitLength.length) { - throw new Error("Too long data"); - } - - return nType; - } - - /** - * @class QRCode - * @constructor - * @example - * new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie"); - * - * @example - * var oQRCode = new QRCode("test", { - * text : "http://naver.com", - * width : 128, - * height : 128 - * }); - * - * oQRCode.clear(); // Clear the QRCode. - * oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode. - * - * @param {HTMLElement|String} el target element or 'id' attribute of element. - * @param {Object|String} vOption - * @param {String} vOption.text QRCode link data - * @param {Number} [vOption.width=256] - * @param {Number} [vOption.height=256] - * @param {String} [vOption.colorDark="#000000"] - * @param {String} [vOption.colorLight="#ffffff"] - * @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H] - */ - QRCode = function(el, vOption) { - this._htOption = { - width: 256, - height: 256, - typeNumber: 4, - colorDark: "#000000", - colorLight: "#ffffff", - correctLevel: QRErrorCorrectLevel.H - }; - - if (typeof vOption === 'string') { - vOption = { - text: vOption - }; - } - - // Overwrites options - if (vOption) { - for (var i in vOption) { - this._htOption[i] = vOption[i]; - } - } - - if (typeof el == "string") { - el = document.getElementById(el); - } - - this._android = _getAndroid(); - this._el = el; - this._oQRCode = null; - this._oDrawing = new Drawing(this._el, this._htOption); - - if (this._htOption.text) { - this.makeCode(this._htOption.text); - } - }; - - /** - * Make the QRCode - * - * @param {String} sText link data - */ - QRCode.prototype.makeCode = function(sText) { - this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel); - this._oQRCode.addData(sText); - this._oQRCode.make(); - this._el.title = sText; - this._oDrawing.draw(this._oQRCode); - this.makeImage(); - }; - - /** - * Make the Image from Canvas element - * - It occurs automatically - * - Android below 3 doesn't support Data-URI spec. - * - * @private - */ - QRCode.prototype.makeImage = function() { - if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) { - this._oDrawing.makeImage(); - } - }; - - /** - * Clear the QRCode - */ - QRCode.prototype.clear = function() { - this._oDrawing.clear(); - }; - - /** - * @name QRCode.CorrectLevel - */ - QRCode.CorrectLevel = QRErrorCorrectLevel; -})(); - -QRCodeOrig = QRCode; -})(); + + var nCount = oQRCode.getModuleCount(); + var nWidth = _htOption.width / nCount; + var nHeight = _htOption.height / nCount; + var nRoundedWidth = Math.round(nWidth); + var nRoundedHeight = Math.round(nHeight); + + _elImage.style.display = "none"; + this.clear(); + + for (var row = 0; row < nCount; row++) { + for (var col = 0; col < nCount; col++) { + var bIsDark = oQRCode.isDark(row, col); + var nLeft = col * nWidth; + var nTop = row * nHeight; + _oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight; + _oContext.lineWidth = 1; + _oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight; + _oContext.fillRect(nLeft, nTop, nWidth, nHeight); + + // 안티 앨리어싱 방지 처리 + _oContext.strokeRect( + Math.floor(nLeft) + 0.5, + Math.floor(nTop) + 0.5, + nRoundedWidth, + nRoundedHeight + ); + + _oContext.strokeRect( + Math.ceil(nLeft) - 0.5, + Math.ceil(nTop) - 0.5, + nRoundedWidth, + nRoundedHeight + ); + } + } + + this._bIsPainted = true; + }; + + /** + * Make the image from Canvas if the browser supports Data URI. + */ + Drawing.prototype.makeImage = function () { + if (this._bIsPainted) { + _safeSetDataURI.call(this, _onMakeImage); + } + }; + + /** + * Return whether the QRCode is painted or not + * + * @return {Boolean} + */ + Drawing.prototype.isPainted = function () { + return this._bIsPainted; + }; + + /** + * Clear the QRCode + */ + Drawing.prototype.clear = function () { + this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height); + this._bIsPainted = false; + }; + + /** + * @private + * @param {Number} nNumber + */ + Drawing.prototype.round = function (nNumber) { + if (!nNumber) { + return nNumber; + } + + return Math.floor(nNumber * 1000) / 1000; + }; + + return Drawing; + })(); + + /** + * Get the type by string length + * + * @private + * @param {String} sText + * @param {Number} nCorrectLevel + * @return {Number} type + */ + function _getTypeNumber(sText, nCorrectLevel) { + var nType = 1; + + for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) { + var nLimit = 0; + + switch (nCorrectLevel) { + case QRErrorCorrectLevel.L : + nLimit = QRCodeLimitLength[i][0]; + break; + case QRErrorCorrectLevel.M : + nLimit = QRCodeLimitLength[i][1]; + break; + case QRErrorCorrectLevel.Q : + nLimit = QRCodeLimitLength[i][2]; + break; + case QRErrorCorrectLevel.H : + nLimit = QRCodeLimitLength[i][3]; + break; + } + + if (sText.length <= nLimit) { + break; + } else { + nType++; + } + } + + if (nType > QRCodeLimitLength.length) { + throw new Error("Too long data"); + } + + return nType; + } + + /** + * @class QRCode + * @constructor + * @example + * new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie"); + * + * @example + * var oQRCode = new QRCode("test", { + * text : "http://naver.com", + * width : 128, + * height : 128 + * }); + * + * oQRCode.clear(); // Clear the QRCode. + * oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode. + * + * @param {HTMLElement|String} el target element or 'id' attribute of element. + * @param {Object|String} vOption + * @param {String} vOption.text QRCode link data + * @param {Number} [vOption.width=256] + * @param {Number} [vOption.height=256] + * @param {String} [vOption.colorDark="#000000"] + * @param {String} [vOption.colorLight="#ffffff"] + * @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H] + */ + QRCode = function (el, vOption) { + this._htOption = { + width : 256, + height : 256, + typeNumber : 4, + colorDark : "#000000", + colorLight : "#ffffff", + correctLevel : QRErrorCorrectLevel.H + }; + + if (typeof vOption === 'string') { + vOption = { + text : vOption + }; + } + + // Overwrites options + if (vOption) { + for (var i in vOption) { + this._htOption[i] = vOption[i]; + } + } + + if (typeof el == "string") { + el = document.getElementById(el); + } + + this._android = _getAndroid(); + this._el = el; + this._oQRCode = null; + this._oDrawing = new Drawing(this._el, this._htOption); + + if (this._htOption.text) { + this.makeCode(this._htOption.text); + } + }; + + /** + * Make the QRCode + * + * @param {String} sText link data + */ + QRCode.prototype.makeCode = function (sText) { + this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel); + this._oQRCode.addData(sText); + this._oQRCode.make(); + this._el.title = sText; + this._oDrawing.draw(this._oQRCode); + this.makeImage(); + }; + + /** + * Make the Image from Canvas element + * - It occurs automatically + * - Android below 3 doesn't support Data-URI spec. + * + * @private + */ + QRCode.prototype.makeImage = function () { + if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) { + this._oDrawing.makeImage(); + } + }; + + /** + * Clear the QRCode + */ + QRCode.prototype.clear = function () { + this._oDrawing.clear(); + }; + + /** + * @name QRCode.CorrectLevel + */ + QRCode.CorrectLevel = QRErrorCorrectLevel; +})(); \ No newline at end of file