script
qrcode.js:
//---------------------------------------------------------------------
// QRCode for JavaScript
//
// Copyright (c) 2009 Kazuhiko Arase
//
// URL: http://www.d-project.com/
//
// Licensed under the MIT license:
// http://www.opensource.org/licenses/mit-license.php
//
// The word "QR Code" is registered trademark of
// DENSO WAVE INCORPORATED
// http://www.denso-wave.com/qrcode/faqpatent-e.html
//
//---------------------------------------------------------------------
//---------------------------------------------------------------------
// QR8bitByte
//---------------------------------------------------------------------
function QR8bitByte(data) {
this.mode = QRMode.MODE_8BIT_BYTE;
this.data = data;
}
QR8bitByte.prototype = {
getLength : function(buffer) {
return this.data.length;
},
write : function(buffer) {
for (var i = 0; i < this.data.length; i++) {
// not JIS ...
buffer.put(this.data.charCodeAt(i), 8);
}
}
};
//---------------------------------------------------------------------
// QRCode
//---------------------------------------------------------------------
function QRCode(typeNumber, errorCorrectLevel) {
this.typeNumber = typeNumber;
this.errorCorrectLevel = errorCorrectLevel;
this.modules = null;
this.moduleCount = 0;
this.dataCache = null;
this.dataList = new Array();
}
QRCode.prototype = {
addData : function(data) {
var newData = new QR8bitByte(data);
this.dataList.push(newData);
this.dataCache = null;
},
isDark : function(row, col) {
if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) {
throw new Error(row + "," + col);
}
return this.modules[row][col];
},
getModuleCount : function() {
return this.moduleCount;
},
make : function() {
// Calculate automatically typeNumber if provided is < 1
if (this.typeNumber < 1 ){
var typeNumber = 1;
for (typeNumber = 1; typeNumber < 40; typeNumber++) {
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel);
var buffer = new QRBitBuffer();
var totalDataCount = 0;
for (var i = 0; i < rsBlocks.length; i++) {
totalDataCount += rsBlocks[i].dataCount;
}
for (var i = 0; i < this.dataList.length; i++) {
var data = this.dataList[i];
buffer.put(data.mode, 4);
buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber) );
data.write(buffer);
}
if (buffer.getLengthInBits() <= totalDataCount * 8)
break;
}
this.typeNumber = typeNumber;
}
this.makeImpl(false, this.getBestMaskPattern() );
},
makeImpl : function(test, maskPattern) {
this.moduleCount = this.typeNumber * 4 + 17;
this.modules = new Array(this.moduleCount);
for (var row = 0; row < this.moduleCount; row++) {
this.modules[row] = new Array(this.moduleCount);
for (var col = 0; col < this.moduleCount; col++) {
this.modules[row][col] = null;//(col + row) % 3;
}
}
this.setupPositionProbePattern(0, 0);
this.setupPositionProbePattern(this.moduleCount - 7, 0);
this.setupPositionProbePattern(0, this.moduleCount - 7);
this.setupPositionAdjustPattern();
this.setupTimingPattern();
this.setupTypeInfo(test, maskPattern);
if (this.typeNumber >= 7) {
this.setupTypeNumber(test);
}
if (this.dataCache == null) {
this.dataCache = QRCode.createData(this.typeNumber, this.errorCorrectLevel, this.dataList);
}
this.mapData(this.dataCache, maskPattern);
},
setupPositionProbePattern : function(row, col) {
for (var r = -1; r <= 7; r++) {
if (row + r <= -1 || this.moduleCount <= row + r) continue;
for (var c = -1; c <= 7; c++) {
if (col + c <= -1 || this.moduleCount <= col + c) continue;
if ( (0 <= r && r <= 6 && (c == 0 || c == 6) )
|| (0 <= c && c <= 6 && (r == 0 || r == 6) )
|| (2 <= r && r <= 4 && 2 <= c && c <= 4) ) {
this.modules[row + r][col + c] = true;
} else {
this.modules[row + r][col + c] = false;
}
}
}
},
getBestMaskPattern : function() {
var minLostPoint = 0;
var pattern = 0;
for (var i = 0; i < 8; i++) {
this.makeImpl(true, i);
var lostPoint = QRUtil.getLostPoint(this);
if (i == 0 || minLostPoint > lostPoint) {
minLostPoint = lostPoint;
pattern = i;
}
}
return pattern;
},
createMovieClip : function(target_mc, instance_name, depth) {
var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth);
var cs = 1;
this.make();
for (var row = 0; row < this.modules.length; row++) {
var y = row * cs;
for (var col = 0; col < this.modules[row].length; col++) {
var x = col * cs;
var dark = this.modules[row][col];
if (dark) {
qr_mc.beginFill(0, 100);
qr_mc.moveTo(x, y);
qr_mc.lineTo(x + cs, y);
qr_mc.lineTo(x + cs, y + cs);
qr_mc.lineTo(x, y + cs);
qr_mc.endFill();
}
}
}
return qr_mc;
},
setupTimingPattern : function() {
for (var r = 8; r < this.moduleCount - 8; r++) {
if (this.modules[r][6] != null) {
continue;
}
this.modules[r][6] = (r % 2 == 0);
}
for (var c = 8; c < this.moduleCount - 8; c++) {
if (this.modules[6][c] != null) {
continue;
}
this.modules[6][c] = (c % 2 == 0);
}
},
setupPositionAdjustPattern : function() {
var pos = QRUtil.getPatternPosition(this.typeNumber);
for (var i = 0; i < pos.length; i++) {
for (var j = 0; j < pos.length; j++) {
var row = pos[i];
var col = pos[j];
if (this.modules[row][col] != null) {
continue;
}
for (var r = -2; r <= 2; r++) {
for (var c = -2; c <= 2; c++) {
if (r == -2 || r == 2 || c == -2 || c == 2
|| (r == 0 && c == 0) ) {
this.modules[row + r][col + c] = true;
} else {
this.modules[row + r][col + c] = false;
}
}
}
}
}
},
setupTypeNumber : function(test) {
var bits = QRUtil.getBCHTypeNumber(this.typeNumber);
for (var i = 0; i < 18; i++) {
var mod = (!test && ( (bits >> i) & 1) == 1);
this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod;
}
for (var i = 0; i < 18; i++) {
var mod = (!test && ( (bits >> i) & 1) == 1);
this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
}
},
setupTypeInfo : function(test, maskPattern) {
var data = (this.errorCorrectLevel << 3) | maskPattern;
var bits = QRUtil.getBCHTypeInfo(data);
// vertical
for (var i = 0; i < 15; i++) {
var mod = (!test && ( (bits >> i) & 1) == 1);
if (i < 6) {
this.modules[i][8] = mod;
} else if (i < 8) {
this.modules[i + 1][8] = mod;
} else {
this.modules[this.moduleCount - 15 + i][8] = mod;
}
}
// horizontal
for (var i = 0; i < 15; i++) {
var mod = (!test && ( (bits >> i) & 1) == 1);
if (i < 8) {
this.modules[8][this.moduleCount - i - 1] = mod;
} else if (i < 9) {
this.modules[8][15 - i - 1 + 1] = mod;
} else {
this.modules[8][15 - i - 1] = mod;
}
}
// fixed module
this.modules[this.moduleCount - 8][8] = (!test);
},
mapData : function(data, maskPattern) {
var inc = -1;
var row = this.moduleCount - 1;
var bitIndex = 7;
var byteIndex = 0;
for (var col = this.moduleCount - 1; col > 0; col -= 2) {
if (col == 6) col--;
while (true) {
for (var c = 0; c < 2; c++) {
if (this.modules[row][col - c] == null) {
var dark = false;
if (byteIndex < data.length) {
dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1);
}
var mask = QRUtil.getMask(maskPattern, row, col - c);
if (mask) {
dark = !dark;
}
this.modules[row][col - c] = dark;
bitIndex--;
if (bitIndex == -1) {
byteIndex++;
bitIndex = 7;
}
}
}
row += inc;
if (row < 0 || this.moduleCount <= row) {
row -= inc;
inc = -inc;
break;
}
}
}
}
};
QRCode.PAD0 = 0xEC;
QRCode.PAD1 = 0x11;
QRCode.createData = function(typeNumber, errorCorrectLevel, dataList) {
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
var buffer = new QRBitBuffer();
for (var i = 0; i < dataList.length; i++) {
var data = dataList[i];
buffer.put(data.mode, 4);
buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber) );
data.write(buffer);
}
// calc num max data.
var totalDataCount = 0;
for (var i = 0; i < rsBlocks.length; i++) {
totalDataCount += rsBlocks[i].dataCount;
}
if (buffer.getLengthInBits() > totalDataCount * 8) {
throw new Error("code length overflow. ("
+ buffer.getLengthInBits()
+ ">"
+ totalDataCount * 8
+ ")");
}
// end code
if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
buffer.put(0, 4);
}
// padding
while (buffer.getLengthInBits() % 8 != 0) {
buffer.putBit(false);
}
// padding
while (true) {
if (buffer.getLengthInBits() >= totalDataCount * 8) {
break;
}
buffer.put(QRCode.PAD0, 8);
if (buffer.getLengthInBits() >= totalDataCount * 8) {
break;
}
buffer.put(QRCode.PAD1, 8);
}
return QRCode.createBytes(buffer, rsBlocks);
}
QRCode.createBytes = function(buffer, rsBlocks) {
var offset = 0;
var maxDcCount = 0;
var maxEcCount = 0;
var dcdata = new Array(rsBlocks.length);
var ecdata = new Array(rsBlocks.length);
for (var r = 0; r < rsBlocks.length; r++) {
var dcCount = rsBlocks[r].dataCount;
var ecCount = rsBlocks[r].totalCount - dcCount;
maxDcCount = Math.max(maxDcCount, dcCount);
maxEcCount = Math.max(maxEcCount, ecCount);
dcdata[r] = new Array(dcCount);
for (var i = 0; i < dcdata[r].length; i++) {
dcdata[r][i] = 0xff & buffer.buffer[i + offset];
}
offset += dcCount;
var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1);
var modPoly = rawPoly.mod(rsPoly);
ecdata[r] = new Array(rsPoly.getLength() - 1);
for (var i = 0; i < ecdata[r].length; i++) {
var modIndex = i + modPoly.getLength() - ecdata[r].length;
ecdata[r][i] = (modIndex >= 0)? modPoly.get(modIndex) : 0;
}
}
var totalCodeCount = 0;
for (var i = 0; i < rsBlocks.length; i++) {
totalCodeCount += rsBlocks[i].totalCount;
}
var data = new Array(totalCodeCount);
var index = 0;
for (var i = 0; i < maxDcCount; i++) {
for (var r = 0; r < rsBlocks.length; r++) {
if (i < dcdata[r].length) {
data[index++] = dcdata[r][i];
}
}
}
for (var i = 0; i < maxEcCount; i++) {
for (var r = 0; r < rsBlocks.length; r++) {
if (i < ecdata[r].length) {
data[index++] = ecdata[r][i];
}
}
}
return data;
}
//---------------------------------------------------------------------
// QRMode
//---------------------------------------------------------------------
var QRMode = {
MODE_NUMBER : 1 << 0,
MODE_ALPHA_NUM : 1 << 1,
MODE_8BIT_BYTE : 1 << 2,
MODE_KANJI : 1 << 3
};
//---------------------------------------------------------------------
// QRErrorCorrectLevel
//---------------------------------------------------------------------
var QRErrorCorrectLevel = {
L : 1,
M : 0,
Q : 3,
H : 2
};
//---------------------------------------------------------------------
// QRMaskPattern
//---------------------------------------------------------------------
var QRMaskPattern = {
PATTERN000 : 0,
PATTERN001 : 1,
PATTERN010 : 2,
PATTERN011 : 3,
PATTERN100 : 4,
PATTERN101 : 5,
PATTERN110 : 6,
PATTERN111 : 7
};
//---------------------------------------------------------------------
// QRUtil
//---------------------------------------------------------------------
var QRUtil = {
PATTERN_POSITION_TABLE : [
[],
[6, 18],
[6, 22],
[6, 26],
[6, 30],
[6, 34],
[6, 22, 38],
[6, 24, 42],
[6, 26, 46],
[6, 28, 50],
[6, 30, 54],
[6, 32, 58],
[6, 34, 62],
[6, 26, 46, 66],
[6, 26, 48, 70],
[6, 26, 50, 74],
[6, 30, 54, 78],
[6, 30, 56, 82],
[6, 30, 58, 86],
[6, 34, 62, 90],
[6, 28, 50, 72, 94],
[6, 26, 50, 74, 98],
[6, 30, 54, 78, 102],
[6, 28, 54, 80, 106],
[6, 32, 58, 84, 110],
[6, 30, 58, 86, 114],
[6, 34, 62, 90, 118],
[6, 26, 50, 74, 98, 122],
[6, 30, 54, 78, 102, 126],
[6, 26, 52, 78, 104, 130],
[6, 30, 56, 82, 108, 134],
[6, 34, 60, 86, 112, 138],
[6, 30, 58, 86, 114, 142],
[6, 34, 62, 90, 118, 146],
[6, 30, 54, 78, 102, 126, 150],
[6, 24, 50, 76, 102, 128, 154],
[6, 28, 54, 80, 106, 132, 158],
[6, 32, 58, 84, 110, 136, 162],
[6, 26, 54, 82, 110, 138, 166],
[6, 30, 58, 86, 114, 142, 170]
],
G15 : (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0),
G18 : (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0),
G15_MASK : (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),
getBCHTypeInfo : function(data) {
var d = data << 10;
while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) {
d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) ) );
}
return ( (data << 10) | d) ^ QRUtil.G15_MASK;
},
getBCHTypeNumber : function(data) {
var d = data << 12;
while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) {
d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) ) );
}
return (data << 12) | d;
},
getBCHDigit : function(data) {
var digit = 0;
while (data != 0) {
digit++;
data >>>= 1;
}
return digit;
},
getPatternPosition : function(typeNumber) {
return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1];
},
getMask : function(maskPattern, i, j) {
switch (maskPattern) {
case QRMaskPattern.PATTERN000 : return (i + j) % 2 == 0;
case QRMaskPattern.PATTERN001 : return i % 2 == 0;
case QRMaskPattern.PATTERN010 : return j % 3 == 0;
case QRMaskPattern.PATTERN011 : return (i + j) % 3 == 0;
case QRMaskPattern.PATTERN100 : return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0;
case QRMaskPattern.PATTERN101 : return (i * j) % 2 + (i * j) % 3 == 0;
case QRMaskPattern.PATTERN110 : return ( (i * j) % 2 + (i * j) % 3) % 2 == 0;
case QRMaskPattern.PATTERN111 : return ( (i * j) % 3 + (i + j) % 2) % 2 == 0;
default :
throw new Error("bad maskPattern:" + maskPattern);
}
},
getErrorCorrectPolynomial : function(errorCorrectLength) {
var a = new QRPolynomial([1], 0);
for (var i = 0; i < errorCorrectLength; i++) {
a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0) );
}
return a;
},
getLengthInBits : function(mode, type) {
if (1 <= type && type < 10) {
// 1 - 9
switch(mode) {
case QRMode.MODE_NUMBER : return 10;
case QRMode.MODE_ALPHA_NUM : return 9;
case QRMode.MODE_8BIT_BYTE : return 8;
case QRMode.MODE_KANJI : return 8;
default :
throw new Error("mode:" + mode);
}
} else if (type < 27) {
// 10 - 26
switch(mode) {
case QRMode.MODE_NUMBER : return 12;
case QRMode.MODE_ALPHA_NUM : return 11;
case QRMode.MODE_8BIT_BYTE : return 16;
case QRMode.MODE_KANJI : return 10;
default :
throw new Error("mode:" + mode);
}
} else if (type < 41) {
// 27 - 40
switch(mode) {
case QRMode.MODE_NUMBER : return 14;
case QRMode.MODE_ALPHA_NUM : return 13;
case QRMode.MODE_8BIT_BYTE : return 16;
case QRMode.MODE_KANJI : return 12;
default :
throw new Error("mode:" + mode);
}
} else {
throw new Error("type:" + type);
}
},
getLostPoint : function(qrCode) {
var moduleCount = qrCode.getModuleCount();
var lostPoint = 0;
// LEVEL1
for (var row = 0; row < moduleCount; row++) {
for (var col = 0; col < moduleCount; col++) {
var sameCount = 0;
var dark = qrCode.isDark(row, col);
for (var r = -1; r <= 1; r++) {
if (row + r < 0 || moduleCount <= row + r) {
continue;
}
for (var c = -1; c <= 1; c++) {
if (col + c < 0 || moduleCount <= col + c) {
continue;
}
if (r == 0 && c == 0) {
continue;
}
if (dark == qrCode.isDark(row + r, col + c) ) {
sameCount++;
}
}
}
if (sameCount > 5) {
lostPoint += (3 + sameCount - 5);
}
}
}
// LEVEL2
for (var row = 0; row < moduleCount - 1; row++) {
for (var col = 0; col < moduleCount - 1; col++) {
var count = 0;
if (qrCode.isDark(row, col ) ) count++;
if (qrCode.isDark(row + 1, col ) ) count++;
if (qrCode.isDark(row, col + 1) ) count++;
if (qrCode.isDark(row + 1, col + 1) ) count++;
if (count == 0 || count == 4) {
lostPoint += 3;
}
}
}
// LEVEL3
for (var row = 0; row < moduleCount; row++) {
for (var col = 0; col < moduleCount - 6; col++) {
if (qrCode.isDark(row, col)
&& !qrCode.isDark(row, col + 1)
&& qrCode.isDark(row, col + 2)
&& qrCode.isDark(row, col + 3)
&& qrCode.isDark(row, col + 4)
&& !qrCode.isDark(row, col + 5)
&& qrCode.isDark(row, col + 6) ) {
lostPoint += 40;
}
}
}
for (var col = 0; col < moduleCount; col++) {
for (var row = 0; row < moduleCount - 6; row++) {
if (qrCode.isDark(row, col)
&& !qrCode.isDark(row + 1, col)
&& qrCode.isDark(row + 2, col)
&& qrCode.isDark(row + 3, col)
&& qrCode.isDark(row + 4, col)
&& !qrCode.isDark(row + 5, col)
&& qrCode.isDark(row + 6, col) ) {
lostPoint += 40;
}
}
}
// LEVEL4
var darkCount = 0;
for (var col = 0; col < moduleCount; col++) {
for (var row = 0; row < moduleCount; row++) {
if (qrCode.isDark(row, col) ) {
darkCount++;
}
}
}
var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
lostPoint += ratio * 10;
return lostPoint;
}
};
//---------------------------------------------------------------------
// QRMath
//---------------------------------------------------------------------
var QRMath = {
glog : function(n) {
if (n < 1) {
throw new Error("glog(" + n + ")");
}
return QRMath.LOG_TABLE[n];
},
gexp : function(n) {
while (n < 0) {
n += 255;
}
while (n >= 256) {
n -= 255;
}
return QRMath.EXP_TABLE[n];
},
EXP_TABLE : new Array(256),
LOG_TABLE : new Array(256)
};
for (var i = 0; i < 8; i++) {
QRMath.EXP_TABLE[i] = 1 << i;
}
for (var i = 8; i < 256; i++) {
QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4]
^ QRMath.EXP_TABLE[i - 5]
^ QRMath.EXP_TABLE[i - 6]
^ QRMath.EXP_TABLE[i - 8];
}
for (var i = 0; i < 255; i++) {
QRMath.LOG_TABLE[QRMath.EXP_TABLE[i] ] = i;
}
//---------------------------------------------------------------------
// QRPolynomial
//---------------------------------------------------------------------
function QRPolynomial(num, shift) {
if (num.length == undefined) {
throw new Error(num.length + "/" + shift);
}
var offset = 0;
while (offset < num.length && num[offset] == 0) {
offset++;
}
this.num = new Array(num.length - offset + shift);
for (var i = 0; i < num.length - offset; i++) {
this.num[i] = num[i + offset];
}
}
QRPolynomial.prototype = {
get : function(index) {
return this.num[index];
},
getLength : function() {
return this.num.length;
},
multiply : function(e) {
var num = new Array(this.getLength() + e.getLength() - 1);
for (var i = 0; i < this.getLength(); i++) {
for (var j = 0; j < e.getLength(); j++) {
num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i) ) + QRMath.glog(e.get(j) ) );
}
}
return new QRPolynomial(num, 0);
},
mod : function(e) {
if (this.getLength() - e.getLength() < 0) {
return this;
}
var ratio = QRMath.glog(this.get(0) ) - QRMath.glog(e.get(0) );
var num = new Array(this.getLength() );
for (var i = 0; i < this.getLength(); i++) {
num[i] = this.get(i);
}
for (var i = 0; i < e.getLength(); i++) {
num[i] ^= QRMath.gexp(QRMath.glog(e.get(i) ) + ratio);
}
// recursive call
return new QRPolynomial(num, 0).mod(e);
}
};
//---------------------------------------------------------------------
// QRRSBlock
//---------------------------------------------------------------------
function QRRSBlock(totalCount, dataCount) {
this.totalCount = totalCount;
this.dataCount = dataCount;
}
QRRSBlock.RS_BLOCK_TABLE = [
// L
// M
// Q
// H
// 1
[1, 26, 19],
[1, 26, 16],
[1, 26, 13],
[1, 26, 9],
// 2
[1, 44, 34],
[1, 44, 28],
[1, 44, 22],
[1, 44, 16],
// 3
[1, 70, 55],
[1, 70, 44],
[2, 35, 17],
[2, 35, 13],
// 4
[1, 100, 80],
[2, 50, 32],
[2, 50, 24],
[4, 25, 9],
// 5
[1, 134, 108],
[2, 67, 43],
[2, 33, 15, 2, 34, 16],
[2, 33, 11, 2, 34, 12],
// 6
[2, 86, 68],
[4, 43, 27],
[4, 43, 19],
[4, 43, 15],
// 7
[2, 98, 78],
[4, 49, 31],
[2, 32, 14, 4, 33, 15],
[4, 39, 13, 1, 40, 14],
// 8
[2, 121, 97],
[2, 60, 38, 2, 61, 39],
[4, 40, 18, 2, 41, 19],
[4, 40, 14, 2, 41, 15],
// 9
[2, 146, 116],
[3, 58, 36, 2, 59, 37],
[4, 36, 16, 4, 37, 17],
[4, 36, 12, 4, 37, 13],
// 10
[2, 86, 68, 2, 87, 69],
[4, 69, 43, 1, 70, 44],
[6, 43, 19, 2, 44, 20],
[6, 43, 15, 2, 44, 16],
// 11
[4, 101, 81],
[1, 80, 50, 4, 81, 51],
[4, 50, 22, 4, 51, 23],
[3, 36, 12, 8, 37, 13],
// 12
[2, 116, 92, 2, 117, 93],
[6, 58, 36, 2, 59, 37],
[4, 46, 20, 6, 47, 21],
[7, 42, 14, 4, 43, 15],
// 13
[4, 133, 107],
[8, 59, 37, 1, 60, 38],
[8, 44, 20, 4, 45, 21],
[12, 33, 11, 4, 34, 12],
// 14
[3, 145, 115, 1, 146, 116],
[4, 64, 40, 5, 65, 41],
[11, 36, 16, 5, 37, 17],
[11, 36, 12, 5, 37, 13],
// 15
[5, 109, 87, 1, 110, 88],
[5, 65, 41, 5, 66, 42],
[5, 54, 24, 7, 55, 25],
[11, 36, 12],
// 16
[5, 122, 98, 1, 123, 99],
[7, 73, 45, 3, 74, 46],
[15, 43, 19, 2, 44, 20],
[3, 45, 15, 13, 46, 16],
// 17
[1, 135, 107, 5, 136, 108],
[10, 74, 46, 1, 75, 47],
[1, 50, 22, 15, 51, 23],
[2, 42, 14, 17, 43, 15],
// 18
[5, 150, 120, 1, 151, 121],
[9, 69, 43, 4, 70, 44],
[17, 50, 22, 1, 51, 23],
[2, 42, 14, 19, 43, 15],
// 19
[3, 141, 113, 4, 142, 114],
[3, 70, 44, 11, 71, 45],
[17, 47, 21, 4, 48, 22],
[9, 39, 13, 16, 40, 14],
// 20
[3, 135, 107, 5, 136, 108],
[3, 67, 41, 13, 68, 42],
[15, 54, 24, 5, 55, 25],
[15, 43, 15, 10, 44, 16],
// 21
[4, 144, 116, 4, 145, 117],
[17, 68, 42],
[17, 50, 22, 6, 51, 23],
[19, 46, 16, 6, 47, 17],
// 22
[2, 139, 111, 7, 140, 112],
[17, 74, 46],
[7, 54, 24, 16, 55, 25],
[34, 37, 13],
// 23
[4, 151, 121, 5, 152, 122],
[4, 75, 47, 14, 76, 48],
[11, 54, 24, 14, 55, 25],
[16, 45, 15, 14, 46, 16],
// 24
[6, 147, 117, 4, 148, 118],
[6, 73, 45, 14, 74, 46],
[11, 54, 24, 16, 55, 25],
[30, 46, 16, 2, 47, 17],
// 25
[8, 132, 106, 4, 133, 107],
[8, 75, 47, 13, 76, 48],
[7, 54, 24, 22, 55, 25],
[22, 45, 15, 13, 46, 16],
// 26
[10, 142, 114, 2, 143, 115],
[19, 74, 46, 4, 75, 47],
[28, 50, 22, 6, 51, 23],
[33, 46, 16, 4, 47, 17],
// 27
[8, 152, 122, 4, 153, 123],
[22, 73, 45, 3, 74, 46],
[8, 53, 23, 26, 54, 24],
[12, 45, 15, 28, 46, 16],
// 28
[3, 147, 117, 10, 148, 118],
[3, 73, 45, 23, 74, 46],
[4, 54, 24, 31, 55, 25],
[11, 45, 15, 31, 46, 16],
// 29
[7, 146, 116, 7, 147, 117],
[21, 73, 45, 7, 74, 46],
[1, 53, 23, 37, 54, 24],
[19, 45, 15, 26, 46, 16],
// 30
[5, 145, 115, 10, 146, 116],
[19, 75, 47, 10, 76, 48],
[15, 54, 24, 25, 55, 25],
[23, 45, 15, 25, 46, 16],
// 31
[13, 145, 115, 3, 146, 116],
[2, 74, 46, 29, 75, 47],
[42, 54, 24, 1, 55, 25],
[23, 45, 15, 28, 46, 16],
// 32
[17, 145, 115],
[10, 74, 46, 23, 75, 47],
[10, 54, 24, 35, 55, 25],
[19, 45, 15, 35, 46, 16],
// 33
[17, 145, 115, 1, 146, 116],
[14, 74, 46, 21, 75, 47],
[29, 54, 24, 19, 55, 25],
[11, 45, 15, 46, 46, 16],
// 34
[13, 145, 115, 6, 146, 116],
[14, 74, 46, 23, 75, 47],
[44, 54, 24, 7, 55, 25],
[59, 46, 16, 1, 47, 17],
// 35
[12, 151, 121, 7, 152, 122],
[12, 75, 47, 26, 76, 48],
[39, 54, 24, 14, 55, 25],
[22, 45, 15, 41, 46, 16],
// 36
[6, 151, 121, 14, 152, 122],
[6, 75, 47, 34, 76, 48],
[46, 54, 24, 10, 55, 25],
[2, 45, 15, 64, 46, 16],
// 37
[17, 152, 122, 4, 153, 123],
[29, 74, 46, 14, 75, 47],
[49, 54, 24, 10, 55, 25],
[24, 45, 15, 46, 46, 16],
// 38
[4, 152, 122, 18, 153, 123],
[13, 74, 46, 32, 75, 47],
[48, 54, 24, 14, 55, 25],
[42, 45, 15, 32, 46, 16],
// 39
[20, 147, 117, 4, 148, 118],
[40, 75, 47, 7, 76, 48],
[43, 54, 24, 22, 55, 25],
[10, 45, 15, 67, 46, 16],
// 40
[19, 148, 118, 6, 149, 119],
[18, 75, 47, 31, 76, 48],
[34, 54, 24, 34, 55, 25],
[20, 45, 15, 61, 46, 16]
];
QRRSBlock.getRSBlocks = function(typeNumber, errorCorrectLevel) {
var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);
if (rsBlock == undefined) {
throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel);
}
var length = rsBlock.length / 3;
var list = new Array();
for (var i = 0; i < length; i++) {
var count = rsBlock[i * 3 + 0];
var totalCount = rsBlock[i * 3 + 1];
var dataCount = rsBlock[i * 3 + 2];
for (var j = 0; j < count; j++) {
list.push(new QRRSBlock(totalCount, dataCount) );
}
}
return list;
}
QRRSBlock.getRsBlockTable = function(typeNumber, errorCorrectLevel) {
switch(errorCorrectLevel) {
case QRErrorCorrectLevel.L :
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
case QRErrorCorrectLevel.M :
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
case QRErrorCorrectLevel.Q :
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
case QRErrorCorrectLevel.H :
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
default :
return undefined;
}
}
//---------------------------------------------------------------------
// QRBitBuffer
//---------------------------------------------------------------------
function QRBitBuffer() {
this.buffer = new Array();
this.length = 0;
}
QRBitBuffer.prototype = {
get : function(index) {
var bufIndex = Math.floor(index / 8);
return ( (this.buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1;
},
put : function(num, length) {
for (var i = 0; i < length; i++) {
this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1);
}
},
getLengthInBits : function() {
return this.length;
},
putBit : function(bit) {
var bufIndex = Math.floor(this.length / 8);
if (this.buffer.length <= bufIndex) {
this.buffer.push(0);
}
if (bit) {
this.buffer[bufIndex] |= (0x80 >>> (this.length % 8) );
}
this.length++;
}
};
PhotoshopQRvector.jsx:
//Script by Fr4nZ82@gmail.com
//This script draw a QR code whit path
//QR code matrix is generated by "qrcode.js" included script, search it whit google
#include "includes/qrcode.js"
var mydoc = app.documents.add( 600, 600, 72, "tmp", NewDocumentMode.RGB, DocumentFill.WHITE );
var bianco = new SolidColor;
bianco.rgb.red = 255;
bianco.rgb.green = 255;
bianco.rgb.blue = 255;
bianco.rgbcol = new RGBColor;
bianco.rgbcol.hexValue = "FFFFFF";
var nero = new SolidColor;
nero.rgb.red = 0;
nero.rgb.green = 0;
nero.rgb.blue = 0;
nero.rgbcol = new RGBColor;
nero.rgbcol.hexValue = "000000";
// FOR TESTING CLEAR DOCUMENT EVERY TEST
/* mydoc.pathItems.removeAll();
mydoc.selection.selectAll();
mydoc.selection.fill(bianco.rgbcol,ColorBlendMode.NORMAL);
mydoc.selection.deselect();*/
function disegnaQR(x,y,dim,contenuto){ //DRAW QR FUNCTION
var qr = new QRCode(-1, QRErrorCorrectLevel.L)
qr.addData(contenuto);
qr.make();
var qrcode = qr.modules; //qrcode is the matrix array of modules (squares) of QR. Values of modules can be false if white, true if black.
var rs = parseInt(qrcode.length*qrcode.length); //Total number of modules
var riga = Math.floor(qrcode.length) //modules in a row
var s = Math.floor((mydoc.width/riga)); //s is the value of every square of the qr in points unit. Path works only in points
var PPI = new Array(); //array of all qr paths point. Is an Array of closed paths.
var puntiFatti = new Array(); //array of points already done by the script
var punt = 0 //counter for PPI points, it reset every time a path is closed
var numPath = 0; //counter for PPI closed paths
var lineSubPathArray = new Array() //the array formatted for create every single subpath
for (iy = 0; iy < riga+1; iy++) { //for loop for assign false value to every element of "puntifatti". It become a void clone of qrcode.
puntiFatti[iy] = new Array
for (var ix = 0; ix < riga+1; ix++){
puntiFatti[iy][ix] = false
}
}
for (var iy = 0; iy < riga; iy++) { //Loop trought all value of qr code column
for (var ix = 0; ix < riga; ix++){ //Loop trought all value of qr code row
bordo = calcolaBordo(ix,iy,riga); //"calcolabordo" function return where every square [ix,iy] is situated: if is at one border or at an angle.
//It need for assign "false" value to square near the points that is not into the qrcode matrix. Example, first point in the top left
//of the qr code, is surrounded by only 1 square, the first top left. The function "combinazione" need to know the pattern of
//all 4 square that surrounding every point; by the result of calcolabordo, function "combinazione" assign false to the "virtual" squares
//bottom left, top left and top right because qrcode has not that value (qrcode[-1,0],qrcode[-1,-1],qrcode[-1,0]).
controlloPrimo = combinazione (ix, 0, iy, 0, bordo, qrcode, false); //combinazione function returns the direction of the path calculated from the pattern of 4 modules (squares)
//around the point iy,ix
if (qrcode[ix][iy] == true && puntiFatti[ix][iy] == false//if the module value is true (black square), if it is not done (var puntiFatti),
&& controlloPrimo != "bianco" && controlloPrimo != "no"){//if around the point there are not 4 black square or 4 white square. (sorry for "no" instead "nero" :)
PPI[numPath] = new Array(); //declares that PPI[numPath] is an array
var _x = (ix * s) + x; //move the start point of this module from the left
var _y = (iy * s) + y; //move the start point of this module from the right
var partenzax = _x; //save the first point x (is used for determinate when path is closed)
var partenzay = _y; //save the first point y (is used for determinate when path is closed)
PPI[numPath][punt] = new PathPointInfo; //create first point of the "numPath" path in the PPI array
PPI[numPath][punt].kind = PointKind.CORNERPOINT; //create first point of the "numPath" path in the PPI array
PPI[numPath][punt].anchor = [_x,_y]; //create first point of the "numPath" path in the PPI array
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;//create first point of the "numPath" path in the PPI array
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;//create first point of the "numPath" path in the PPI array
puntiFatti[ix][iy] = true; //save the first point as done
punt++; //increase point counter of PPI
var xt = 0; //used in the while loop that follow the path around all black square. increase if direction is right, decrease if direction is left
var yt = 0; //used in the while loop that follow the path around all black square. Increase if direction is down, decrease if direction is up
var direzione = null;
var chiuso = false;
while(chiuso == false){ //while the path is not closed
bordo = calcolaBordo(ix+xt,iy+yt,riga);
direzione = combinazione(ix,xt,iy,yt,bordo,qrcode,false)
switch(direzione){ //this switch make every point of the path only if there is an angle. In this mode path has a lot less points
case "no": puntiFatti[ix+xt][iy+yt] = true; //This situation never occurs, but i add just for the devil :D
chiuso = true; //end the while loop
PPI.splice(punt-1, 1); //remove last point (the first path point)
break;
case "su": //case direction is up
var ultimaDirezione = "su"; //ultimaDirezione (lastdirection) is used in particular cases.
bordo = calcolaBordo(ix+xt,iy+yt-1,riga);
prossimaDirezione = combinazione(ix,xt,iy,yt,bordo,qrcode,direzione); //this go look the next direction to decide if make a point or not
if(prossimaDirezione == "su"){ //if the next direction is up again
puntiFatti[ix+xt][iy+yt-1] = true;//save the point as don but dont make it
yt = yt -1; //move the point to analyze
}
else{
PPI[numPath][punt] = new PathPointInfo; //create the point
PPI[numPath][punt].kind = PointKind.CORNERPOINT;
PPI[numPath][punt].anchor = [_x+(xt*s),_y+(yt*s)-s]; //position x,y-1
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;
punt++;
puntiFatti[ix+xt][iy+yt-1] = true;//save the point as done
yt = yt - 1;
}
break;
case "dx": //case direction is right
var ultimaDirezione = "dx";
bordo = calcolaBordo(ix+xt+1,iy+yt,riga);
prossimaDirezione = combinazione(ix,xt,iy,yt,bordo,qrcode,direzione);
if(prossimaDirezione == "dx"){
puntiFatti[ix+xt+1][iy+yt] = true;
xt = xt + 1;
}
else{
PPI[numPath][punt] = new PathPointInfo;
PPI[numPath][punt].kind = PointKind.CORNERPOINT;
PPI[numPath][punt].anchor = [_x+(xt*s)+s,_y+(yt*s)];
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;
punt++;
puntiFatti[ix+xt+1][iy+yt] = true;
xt = xt + 1;
}
break;
case "sx": //case direction is left
var ultimaDirezione = "sx";
bordo = calcolaBordo(ix+xt-1,iy+yt,riga);
prossimaDirezione = combinazione(ix,xt,iy,yt,bordo,qrcode,direzione);
if(prossimaDirezione == "sx"){
puntiFatti[ix+xt-1][iy+yt] = true;
xt = xt - 1;
}
else{
PPI[numPath][punt] = new PathPointInfo;
PPI[numPath][punt].kind = PointKind.CORNERPOINT;
PPI[numPath][punt].anchor = [_x+(xt*s)-s,_y+(yt*s)];
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;
punt++;
puntiFatti[ix+xt-1][iy+yt] = true;
xt = xt - 1;
}
break;
case "giu": //case direction is down
var ultimaDirezione = "giu";
bordo = calcolaBordo(ix+xt,iy+yt+1,riga);
prossimaDirezione = combinazione(ix,xt,iy,yt,bordo,qrcode,direzione);
if(prossimaDirezione == "giu"){
puntiFatti[ix+xt][iy+yt+1] = true;
yt = yt + 1;
}
else{
PPI[numPath][punt] = new PathPointInfo;
PPI[numPath][punt].kind = PointKind.CORNERPOINT;
PPI[numPath][punt].anchor = [_x+(xt*s),_y+(yt*s)+s];
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;
punt++;
puntiFatti[ix+xt][iy+yt+1] = true;
yt = yt + 1;
}
break;
case "sugiu": //case direction is up/down... hard to explain. Often the pattern has, in clockwise order, black white black white square.
//in this cases "ultimaDirezione" is used to know the next direction.
switch(ultimaDirezione){
case "dx":
var ultimaDirezione = "giu";
bordo = calcolaBordo(ix+xt,iy+yt+1,riga);
prossimaDirezione = combinazione(ix,xt,iy,yt,bordo,qrcode,ultimaDirezione);
if(prossimaDirezione == "giu"){
puntiFatti[ix+xt][iy+yt+1] = true;
yt = yt + 1;
}
else{
PPI[numPath][punt] = new PathPointInfo;
PPI[numPath][punt].kind = PointKind.CORNERPOINT;
PPI[numPath][punt].anchor = [_x+(xt*s),_y+(yt*s)+s];
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;
punt++;
puntiFatti[ix+xt][iy+yt+1] = true;
yt = yt + 1;
}
break;
case "sx":
var ultimaDirezione = "su";
bordo = calcolaBordo(ix+xt,iy+yt-1,riga);
prossimaDirezione = combinazione(ix,xt,iy,yt,bordo,qrcode,ultimaDirezione);
if(prossimaDirezione == "su"){
puntiFatti[ix+xt][iy+yt-1] = true;
yt = yt -1;
}
else{
PPI[numPath][punt] = new PathPointInfo;
PPI[numPath][punt].kind = PointKind.CORNERPOINT;
PPI[numPath][punt].anchor = [_x+(xt*s),_y+(yt*s)-s];
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;
punt++;
puntiFatti[ix+xt][iy+yt-1] = true;
yt = yt - 1;
}
break;
}
break;
case "sxdx":
switch(ultimaDirezione){
case "su":
var ultimaDirezione = "dx";
bordo = calcolaBordo(ix+xt+1,iy+yt,riga);
prossimaDirezione = combinazione(ix,xt,iy,yt,bordo,qrcode,ultimaDirezione); //va a vedere la prossima direzione
if(prossimaDirezione == "dx"){ //se la direzione prevista per il prossimo punto è sempre dx
puntiFatti[ix+xt+1][iy+yt] = true;//salva il punto come fatto e non lo scrive
xt = xt + 1;
}
else{
PPI[numPath][punt] = new PathPointInfo; //fa il puntio
PPI[numPath][punt].kind = PointKind.CORNERPOINT;
PPI[numPath][punt].anchor = [_x+(xt*s)+s,_y+(yt*s)]; //posizione x+1,y
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;
punt++;
puntiFatti[ix+xt+1][iy+yt] = true;//salva il punto come fatto
xt = xt + 1;
}
break;
case "giu":
var ultimaDirezione = "sx";
bordo = calcolaBordo(ix+xt-1,iy+yt,riga);
prossimaDirezione = combinazione(ix,xt,iy,yt,bordo,qrcode,ultimaDirezione);
if(prossimaDirezione == "sx"){
bordo = calcolaBordo(ix+xt+1,iy+yt+1,riga);
switch(bordo){ //this is a special case.... very very hard to explain. it happend whe there are a single black square
//bottom right where the path go down then go left. Without this switch the single square topleft point
//become done and then, when the iy,ix value is thath square, the script jump it because its done....
//sorry is difficult to explain in english!! Leave this switch and see what append :D
case "dx":
if(qrcode[ix+xt][iy+yt] == true && qrcode[ix+xt][iy+yt+1] == false){
puntiFatti[ix+xt][iy+yt] = false;
}
break;
case "giu":
if(qrcode[ix+xt][iy+yt] == true && qrcode[ix+xt+1][iy+yt] == false){
puntiFatti[ix+xt][iy+yt] = false;
}
break;
case "dxgiu":
if(qrcode[ix+xt][iy+yt] == true){
puntiFatti[ix+xt][iy+yt] = false;
}
break;
default:
if(qrcode[ix+xt][iy+yt] == true && qrcode[ix+xt][iy+yt+1] == false && qrcode[ix+xt+1][iy+yt] == false){
puntiFatti[ix+xt][iy+yt] = false;
}
break;
}
puntiFatti[ix+xt-1][iy+yt] = true;
xt = xt - 1;
}
else{
PPI[numPath][punt] = new PathPointInfo;
PPI[numPath][punt].kind = PointKind.CORNERPOINT;
PPI[numPath][punt].anchor = [_x+(xt*s)-s,_y+(yt*s)];
PPI[numPath][punt].leftDirection = PPI[numPath][punt].anchor;
PPI[numPath][punt].rightDirection = PPI[numPath][punt].anchor;
punt++;
bordo = calcolaBordo(ix+xt+1,iy+yt+1,riga);
switch(bordo){
case "dx":
if(qrcode[ix+xt][iy+yt] == true && qrcode[ix+xt][iy+yt+1] == false){
puntiFatti[ix+xt][iy+yt] = false;
}
break;
case "giu":
if(qrcode[ix+xt][iy+yt] == true && qrcode[ix+xt+1][iy+yt] == false){
puntiFatti[ix+xt][iy+yt] = false;
}
break;
case "dxgiu":
if(qrcode[ix+xt][iy+yt] == true){
puntiFatti[ix+xt][iy+yt] = false;
}
break;
default:
if(qrcode[ix+xt][iy+yt] == true && qrcode[ix+xt][iy+yt+1] == false && qrcode[ix+xt+1][iy+yt] == false){
puntiFatti[ix+xt][iy+yt] = false;
}
break;
}
puntiFatti[ix+xt-1][iy+yt] = true;
xt = xt - 1;
}
break;
}
break;
}
if(xt==0 && yt==0){chiuso = true; ultimaDirezione = "su";} //when xt and yt return to 0 the path is closed. "ultimaDirezione" is set to up
}
lineSubPathArray[numPath] = new SubPathInfo(); //create subpathinfo
lineSubPathArray[numPath].closed = true;
lineSubPathArray[numPath].operation = ShapeOperation.SHAPEXOR;
lineSubPathArray[numPath].entireSubPath = PPI[numPath];
numPath++; //increase numPath counter
punt = 0; //reset point counter
}
}
}
var myPathItem = mydoc.pathItems.add("pathname", lineSubPathArray); //when all the paths of qr code are drawed it add the path to photoshop document
myPathItem.fillPath(bianco, ColorBlendMode.DIFFERENCE,100,true,0,true,true) //and fill it of white in difference.
//mydoc.pathItems.removeAll(); //uncomment for remove all paths when the work is done
function calcolaBordo(ix,iy,riga){
if(iy == 0 && ix == 0) {return "sxsu";}//
if(iy == 0 && ix == riga) {return "dxsu";}//
if(iy == riga && ix == riga) {return "dxgiu";}//
if(iy == riga && ix == 0) {return "sxgiu";}//
if(iy == 0 && ix != 0 && ix != riga) {return "su";}//
if(iy != 0 && ix == riga && iy != riga) {return "dx";}//
if(iy == riga && ix != 0 && ix != riga) {return "giu";}//
if(ix == 0 && iy != 0 && iy != riga) {return "sx";}//
if(ix =! 0 && iy !=0 && ix != riga && iy != riga){return "no";}//
}
function combinazione(ix,xt,iy,yt,bordo,qrcode,direzione){
switch (direzione){ //switch the point to analyze in base of the direction. in this mode the function can analyze the 4 point near ix,iy to determinate next direction
case false: var px = 0; var py = 0; break;
case "su": var px = 0; var py = -1; break;
case "giu": var px = 0; var py = 1; break;
case "sx": var px = -1; var py = 0; break;
case "dx": var px = 1; var py = 0; break;
}
switch (bordo){ //assign the value of the squares around the ix,iy point.
//if the point is at a border or at an angle, the squares that is out the qrcode matrix assume false value
case "sxsu":
var a = false;
var b = false;
var c = qrcode[ix+xt+px][iy+yt+py];
var d = false;
break;
case "dxsu":
var a = false;
var b = false;
var c = false;
var d = qrcode[ix+xt-1+px][iy+yt+py];
break;
case "dxgiu":
var a = qrcode[ix+xt-1+px][iy+yt-1+py];
var b = false;
var c = false;
var d = false;
break;
case "sxgiu":
var a = false;
var b = qrcode[ix+xt+px][iy+yt-1+py];
var c = false;
var d = false;
break;
case "su":
var a = false;
var b = false;
var c = qrcode[ix+xt+px][iy+yt+py];
var d= qrcode[ix+xt-1+px][iy+yt+py];
break;
case "dx":
var a = qrcode[ix+xt-1+px][iy+yt-1+py];
var b = false;
var c = false;
var d = qrcode[ix+xt-1+px][iy+yt+py];
break;
case "giu":
var a = qrcode[ix+xt-1+px][iy+yt-1+py];
var b = qrcode[ix+xt+px][iy+yt-1+py];
var c = false;
var d = false;
break;
case "sx":
var a = false;
var b = qrcode[ix+xt+px][iy+yt-1+py];
var c = qrcode[ix+xt+px][iy+yt+py];
var d = false;
break;
case "no":
var a = qrcode[ix+xt-1+px][iy+yt-1+py];
var b = qrcode[ix+xt+px][iy+yt-1+py];
var c = qrcode[ix+xt+px][iy+yt+py];
var d = qrcode[ix+xt-1+px][iy+yt+py];
}
//this is the patterns used for know the direction of the path
if(a == true && b == true && c == true && d == true){return "no"}//A
if(a == false && b == true && c == true && d == true){return "su"}//B
if(a == true && b == false && c == true && d == true){return "dx"}//C
if(a == true && b == true && c == false && d == true){return "giu"}//D
if(a == true && b == true && c == true && d == false){return "sx"}//E
if(a == false && b == false && c == true && d == true){return "dx"}//F
if(a == true && b == false && c == false && d == true){return "giu"}//G
if(a == true && b == true && c == false && d == false){return "sx"}//H
if(a == false && b == true && c == true && d == false){return "su"}//I
if(a == false && b == false && c == false && d == true){return "giu"}//L
if(a == true && b == false && c == false && d == false){return "sx"}//M
if(a == false && b == true && c == false && d == false){return "su"}//N
if(a == false && b == false && c == true && d == false){return "dx"}//O
if(a == false && b == true && c == false && d == true){return "sugiu"}//P
if(a == true && b == false && c == true && d == false){return "sxdx"}//Q
if(a == false && b == false && c == false && d == false){return "bianco"}//R
}
}
var testoQR = prompt("testoQR","qrcode for photoshop by Fr4nZ82");
disegnaQR(0,0,600,testoQR);
/*This is the pattern explained. Imagine the point is in the center surrounded by the for square.
Depend on pattern the script decides where to move
legend: # = black square
0 = white square
## 0# #0 ## ## 00 #0 ## 0# 00 #0 0# 00 0# #0 00
## ## ## #0 0# ## #0 00 0# #0 00 00 0# #0 0# 00
A B C D E F G H I L M N O P Q R
no up right down left right down left up down left up right up/down lf/rg white(no)*/
2 Correct answers
4
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