//---------------------------------------------------------------------
// 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++;
	}
};