/*

 VexFlow Engraver 1.0-pre2
 Copyright 2010 Mohit Muthanna Cheppudira <mohit@muthanna.com>

 A library for rendering musical notation and guitar tablature in HTML5.

 This library is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 FITNESS FOR A PARTICULAR PURPOSE.

 This library must only be used in its original form. No tampering,
 modification, distribution, or repackaging is allowed without the
 explicit permission of the copyright holder.

 This library makes use of Simon Tatham's awesome font, Gonville.

 Build ID: prod-2@8bd8967caa4a2b4780ab04e84c38e0703c40e589
 Build date: 2010-08-03 18:09:12.032249

*/
var a;function Vex(){}Vex.Debug=false;Vex.LogLevels={DEBUG:5,INFO:4,WARN:3,ERROR:2,FATAL:1};Vex.LogLevel=4;Vex.LogMessage=function(b,c){if(b<=Vex.LogLevel&&window.console){var d=c;d=typeof c=="object"?{level:b,message:c}:"VexLog: ["+b+"] "+d;window.console.log(d)}};Vex.LogDebug=function(b){Vex.LogMessage(Vex.LogLevels.DEBUG,b)};Vex.LogInfo=function(b){Vex.LogMessage(Vex.LogLevels.INFO,b)};Vex.LogWarn=function(b){Vex.LogMessage(Vex.LogLevels.WARN,b)};
Vex.LogError=function(b){Vex.LogMessage(Vex.LogLevels.ERROR,b)};Vex.LogFatal=function(b,c){Vex.LogMessage(Vex.LogLevels.FATAL,b);if(c)throw c;else throw"VexFatalError";};Vex.Log=Vex.LogDebug;Vex.L=Vex.LogDebug;Vex.AssertException=function(b){this.message=b};Vex.AssertException.prototype.toString=function(){return"AssertException: "+this.message};Vex.Assert=function(b,c){if(Vex.Debug&&!b){c||(c="Assertion failed.");throw new Vex.AssertException(c);}};
Vex.RuntimeError=function(b,c){this.code=b;this.message=c};Vex.RuntimeError.prototype.toString=function(){return"RuntimeError: "+this.message};Vex.RERR=Vex.RuntimeError;Vex.Merge=function(b,c){for(var d in c)b[d]=c[d];return b};Vex.SortAndUnique=function(b,c){if(b.length>1){var d=[],e;b.sort(c);for(c=0;c<b.length;++c){if(c==0||b[c]!=e)d.push(b[c]);e=b[c]}return d}else return b};
Vex.getCanvasContext=function(b){if(!b)throw new Vex.RERR("BadArgument","Invalid canvas selector: "+b);b=document.getElementById(b);if(!(b&&b.getContext))throw new Vex.RERR("UnsupportedBrowserError","This browser does not support HTML5 Canvas");return b.getContext("2d")};Vex.drawDot=function(b,c,d,e){e=e||"#f55";b.save();b.fillStyle=e;b.beginPath();b.arc(c,d,3,0,Math.PI*2,true);b.closePath();b.fill();b.restore()};
Vex.BM=function(b,c){var d=(new Date).getTime();c();c=(new Date).getTime()-d;Vex.L(b+c+"ms")};function glyph_load(b,c){var d=new Array(2),e=new Array(4),f="",g;b=escape(b);for(g=0;g<4;g++)e[g]=Str4ToLong(c.slice(g*4,(g+1)*4));for(g=0;g<b.length;g+=8){d[0]=Str4ToLong(b.slice(g,g+4));d[1]=Str4ToLong(b.slice(g+4,g+8));code(d,e);f+=LongToStr4(d[0])+LongToStr4(d[1])}return escCtrlCh(f)}
function glyph_save(b,c){var d=new Array(2),e=new Array(4),f="",g;for(g=0;g<4;g++)e[g]=Str4ToLong(c.slice(g*4,(g+1)*4));b=unescCtrlCh(b);for(g=0;g<b.length;g+=8){d[0]=Str4ToLong(b.slice(g,g+4));d[1]=Str4ToLong(b.slice(g+4,g+8));decode(d,e);f+=LongToStr4(d[0])+LongToStr4(d[1])}f=f.replace(/\0+$/,"");return unescape(f)}function code(b,c){for(var d=b[0],e=b[1],f=0;f!=84941944608;){d+=(e<<4^e>>>5)+e^f+c[f&3];f+=2654435769;e+=(d<<4^d>>>5)+d^f+c[f>>>11&3]}b[0]=d;b[1]=e}
function decode(b,c){for(var d=b[0],e=b[1],f=84941944608;f!=0;){e-=(d<<4^d>>>5)+d^f+c[f>>>11&3];f-=2654435769;d-=(e<<4^e>>>5)+e^f+c[f&3]}b[0]=d;b[1]=e}function Str4ToLong(b){for(var c=0,d=0;d<4;d++)c|=b.charCodeAt(d)<<d*8;return isNaN(c)?0:c}function LongToStr4(b){return String.fromCharCode(b&255,b>>8&255,b>>16&255,b>>24&255)}function escCtrlCh(b){return b.replace(/[\0\t\n\v\f\r\xa0'"!]/g,function(c){return"!"+c.charCodeAt(0)+"!"})}
function unescCtrlCh(b){return b.replace(/!\d\d?\d?!/g,function(c){return String.fromCharCode(c.slice(1,-1))})};Vex.Kern=function(b,c){return glyph_load(b,c)};Vex.Unkern=function(b,c){return glyph_save(b,c)};Vex.Flow={};Vex.Flow.RESOLUTION=16384;Vex.Flow.IsKerned=true;Vex.Flow.KerningParameters=Vex.Flow.IsKerned?"YP%2113%21%7E%90%2C%A5%D67%1C%9F%94%A8%C0%B0%F0":null;Vex.Flow.setupCanvasArray=function(){return Vex.Flow.KerningParameters?Vex.Unkern(unescape(Vex.Flow.KerningParameters),"UnsupportedBrowserError"):null};Vex.Flow.keyProperties=function(b){var c=b.split("/");if(c.length!=2)throw new Vex.RERR("BadArguments","Key must have note + octave: "+b);var d=c[0].toUpperCase();b=Vex.Flow.keyProperties.note_values[d];if(!b)throw new Vex.RERR("BadArguments","Invalid key name: "+d);if(b.octave)c[1]=b.octave;c=c[1];d=(c*7-28+b.index)/2;var e=0;if(d<=0&&d*2%2==0)e=1;if(d>=6&&d*2%2==0)e=-1;var f=null;if(b.int_val)f=c*12+b.int_val;return{line:d,octave:c,int_value:f,accidental:b.accidental,code:b.code,stroke:e,shift_right:b.shift_right}};
Vex.Flow.keyProperties.note_values={C:{index:0,int_val:0,accidental:null},CN:{index:0,int_val:0,accidental:"n"},"C#":{index:0,int_val:1,accidental:"#"},"C##":{index:0,int_val:2,accidental:"##"},CB:{index:0,int_val:-1,accidental:"b"},CBB:{index:0,int_val:-2,accidental:"bb"},D:{index:1,int_val:2,accidental:null},DN:{index:1,int_val:2,accidental:"n"},"D#":{index:1,int_val:3,accidental:"#"},"D##":{index:1,int_val:4,accidental:"##"},DB:{index:1,int_val:1,accidental:"b"},DBB:{index:1,int_val:0,accidental:"bb"},
E:{index:2,int_val:4,accidental:null},EN:{index:2,int_val:4,accidental:"n"},"E#":{index:2,int_val:5,accidental:"#"},"E##":{index:2,int_val:6,accidental:"##"},EB:{index:2,int_val:3,accidental:"b"},EBB:{index:2,int_val:2,accidental:"bb"},F:{index:3,int_val:5,accidental:null},FN:{index:3,int_val:5,accidental:"n"},"F#":{index:3,int_val:6,accidental:"#"},"F##":{index:3,int_val:7,accidental:"##"},FB:{index:3,int_val:4,accidental:"b"},FBB:{index:3,int_val:3,accidental:"bb"},G:{index:4,int_val:7,accidental:null},
GN:{index:4,int_val:7,accidental:"n"},"G#":{index:4,int_val:8,accidental:"#"},"G##":{index:4,int_val:9,accidental:"##"},GB:{index:4,int_val:6,accidental:"b"},GBB:{index:4,int_val:5,accidental:"bb"},A:{index:5,int_val:9,accidental:null},AN:{index:5,int_val:9,accidental:"n"},"A#":{index:5,int_val:10,accidental:"#"},"A##":{index:5,int_val:11,accidental:"##"},AB:{index:5,int_val:8,accidental:"b"},ABB:{index:5,int_val:7,accidental:"bb"},B:{index:6,int_val:11,accidental:null},BN:{index:6,int_val:11,accidental:"n"},
"B#":{index:6,int_val:12,accidental:"#"},"B##":{index:6,int_val:13,accidental:"##"},BB:{index:6,int_val:10,accidental:"b"},BBB:{index:6,int_val:9,accidental:"bb"},X:{index:6,accidental:"",octave:4,code:"v3e",shift_right:5.5}};
Vex.Flow.integerToNote=function(b){if(typeof b=="undefined")throw new Vex.RERR("BadArguments","Undefined integer for integerToNote");if(b<-2)throw new Vex.RERR("BadArguments","integerToNote requires integer > -2: "+b);var c=Vex.Flow.integerToNote.table[b];if(!c)throw new Vex.RERR("BadArguments","Unkown note value for integer: "+b);return c};Vex.Flow.integerToNote.table={0:"C",1:"C#",2:"D",3:"D#",4:"E",5:"F",6:"F#",7:"G",8:"G#",9:"A",10:"A#",11:"B"};
Vex.Flow.tabToGlyph=function(b){var c=null,d=0,e=0;if(b.toString().toUpperCase()=="X"){c="v7f";d=7;e=-4.5}else d=5*b.toString().length;return{text:b,code:c,width:d,shift_y:e}};Vex.Flow.textWidth=function(b){return 5*b.toString().length};Vex.Flow.accidentalCodes=function(b){return Vex.Flow.accidentalCodes.accidentals[b]};
Vex.Flow.accidentalCodes.accidentals={"#":{code:"v18",width:10,shift_right:0,shift_down:0},"##":{code:"v7f",width:13,shift_right:-1,shift_down:0},b:{code:"v44",width:8,shift_right:0,shift_down:0},bb:{code:"v26",width:14,shift_right:-3,shift_down:0},n:{code:"v4e",width:8,shift_right:0,shift_down:0}};
Vex.Flow.durationToTicks={w:Vex.Flow.RESOLUTION/1,wr:Vex.Flow.RESOLUTION/1,h:Vex.Flow.RESOLUTION/2,hr:Vex.Flow.RESOLUTION/2,hd:Vex.Flow.RESOLUTION/2+Vex.Flow.RESOLUTION/4,q:Vex.Flow.RESOLUTION/4,qr:Vex.Flow.RESOLUTION/4,qd:Vex.Flow.RESOLUTION/4+Vex.Flow.RESOLUTION/8,"8":Vex.Flow.RESOLUTION/8,"8r":Vex.Flow.RESOLUTION/8,"8d":Vex.Flow.RESOLUTION/8+Vex.Flow.RESOLUTION/16,"16":Vex.Flow.RESOLUTION/16,"16r":Vex.Flow.RESOLUTION/16,"16d":Vex.Flow.RESOLUTION/16+Vex.Flow.RESOLUTION/32,"32":Vex.Flow.RESOLUTION/
32,"32d":Vex.Flow.RESOLUTION/32+Vex.Flow.RESOLUTION/64,"32r":Vex.Flow.RESOLUTION/32,b:Vex.Flow.RESOLUTION/32};Vex.Flow.durationToGlyph=function(b){return Vex.Flow.durationToGlyph.duration_codes[b]};
Vex.Flow.durationToGlyph.duration_codes={w:{code_head:"v1d",head_width:16.5,stem:false,flag:false},wr:{code_head:"v5c",head_width:10.5,stem:false,flag:false,rest:true,position:"D/5"},h:{code_head:"v81",head_width:10.5,stem:true,flag:false},hr:{code_head:"vc",head_width:10.5,stem:false,flag:false,rest:true,position:"B/4"},hd:{code_head:"v81",head_width:10.5,stem:true,flag:false,dot:true},q:{code_head:"vb",head_width:10.5,stem:true,flag:false},qr:{code_head:"v7c",head_width:10.5,rest:true,position:"B/4",
stem:false,flag:false},qd:{code_head:"vb",head_width:10.5,stem:true,flag:false,dot:true},"8":{code_head:"vb",head_width:10.5,stem:true,flag:true,beam_count:1,code_flag_upstem:"v54",code_flag_downstem:"v9a"},"8r":{code_head:"va5",head_width:10.5,stem:false,flag:false,rest:true,beam_count:1,position:"B/4"},"8d":{code_head:"vb",head_width:10.5,stem:true,flag:true,beam_count:1,code_flag_upstem:"v54",code_flag_downstem:"v9a",dot:true},"16":{beam_count:2,code_head:"vb",head_width:10.5,stem:true,flag:true,
code_flag_upstem:"v3f",code_flag_downstem:"v8f"},"16r":{beam_count:2,code_head:"v3c",head_width:10.5,stem:false,flag:false,rest:true,position:"B/4"},"16d":{beam_count:2,code_head:"vb",head_width:10.5,stem:true,flag:true,code_flag_upstem:"v3f",code_flag_downstem:"v8f",dot:true},"32":{beam_count:3,code_head:"vb",head_width:10.5,stem:true,flag:true,code_flag_upstem:"v47",code_flag_downstem:"v2a"},"32d":{beam_count:3,code_head:"vb",head_width:10.5,dot:true,flag:true,code_flag_upstem:"v47",code_flag_downstem:"v2a",
stem:true},"32r":{beam_count:3,code_head:"v55",head_width:10.5,stem:false,flag:false,rest:true,position:"B/4"}};Vex.Flow.TIME4_4={num_beats:4,beat_value:4,resolution:Vex.Flow.RESOLUTION};Vex.Flow.Font={glyphs:{vb:{x_min:0,x_max:428.75,ha:438,o:"m 262 186 b 273 186 266 186 272 186 b 274 186 273 186 274 186 b 285 186 274 186 280 186 b 428 48 375 181 428 122 b 386 -68 428 12 416 -29 b 155 -187 329 -145 236 -187 b 12 -111 92 -187 38 -162 b 0 -51 4 -91 0 -72 b 262 186 0 58 122 179 "},vc:{x_min:0,x_max:447.8125,ha:457,o:"m 0 86 l 0 173 l 223 173 l 447 173 l 447 86 l 447 0 l 223 0 l 0 0 l 0 86 "},v18:{x_min:0,x_max:323.9375,ha:331,o:"m 217 535 b 225 537 220 537 221 537 b 245 524 235 537 242 533 l 246 521 l 247 390 l 247 258 l 273 265 b 306 270 288 269 299 270 b 322 259 315 270 319 267 b 323 208 323 256 323 233 b 322 158 323 184 323 159 b 288 140 318 148 315 147 b 247 130 254 131 247 130 b 247 65 247 130 247 104 b 247 20 247 51 247 36 l 247 -88 l 273 -81 b 306 -76 289 -77 299 -76 b 318 -81 311 -76 315 -77 b 323 -123 323 -87 323 -86 l 323 -138 l 323 -154 b 318 -195 323 -191 323 -190 b 269 -210 314 -199 315 -199 b 249 -216 259 -213 250 -216 l 247 -216 l 247 -349 l 246 -483 l 245 -487 b 225 -499 242 -495 234 -499 b 206 -487 219 -499 210 -495 l 205 -483 l 205 -355 l 205 -227 l 204 -227 l 181 -233 l 138 -244 b 117 -249 127 -247 117 -249 b 115 -385 115 -249 115 -256 l 115 -523 l 114 -526 b 95 -538 110 -534 102 -538 b 74 -526 87 -538 78 -534 l 73 -523 l 73 -391 b 72 -260 73 -269 73 -260 b 72 -260 72 -260 72 -260 b 19 -273 61 -263 23 -273 b 0 -260 10 -273 4 -267 b 0 -209 0 -256 0 -256 l 0 -162 l 1 -158 b 61 -134 5 -148 5 -148 l 73 -131 l 73 -22 b 72 86 73 79 73 86 b 72 86 72 86 72 86 b 19 74 61 83 23 74 b 0 86 10 74 4 79 b 0 137 0 90 0 90 l 0 184 l 1 188 b 61 212 5 198 5 198 l 73 215 l 73 348 l 73 481 l 74 485 b 95 498 78 492 87 498 b 103 495 98 498 100 496 b 114 485 107 494 111 489 l 115 481 l 115 353 l 115 226 l 121 226 b 159 235 123 227 141 231 l 198 247 l 205 248 l 205 384 l 205 521 l 206 524 b 217 535 209 528 212 533 m 205 9 b 205 119 205 70 205 119 l 205 119 b 182 113 204 119 194 116 l 138 102 b 117 97 127 99 117 97 b 115 -12 115 97 115 91 l 115 -122 l 121 -120 b 159 -111 123 -119 141 -115 l 198 -101 l 205 -98 l 205 9 "},
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v8f:{x_min:-21.78125,x_max:362.0625,ha:369,o:"m 302 1031 b 308 1032 304 1032 307 1032 b 330 1016 318 1032 325 1027 b 362 867 351 970 362 920 b 340 738 362 824 353 780 l 336 727 l 340 717 b 362 591 355 677 362 634 b 257 323 362 496 325 401 b 204 272 243 306 227 290 b 20 56 129 206 66 133 b -1 18 12 44 0 22 b -19 4 -4 9 -12 4 l -21 4 l -21 140 l -21 276 l -12 277 b 167 333 61 288 127 309 b 319 598 262 388 319 491 b 311 664 319 620 317 642 l 310 673 l 304 664 b 204 548 279 620 250 587 b 20 333 129 483 66 409 b -1 292 12 320 0 298 b -19 280 -4 285 -12 280 l -21 280 l -21 416 l -21 552 l -12 553 b 167 609 61 564 127 585 b 319 874 264 666 319 770 b 294 992 319 914 311 954 b 288 1011 288 1004 288 1007 b 302 1031 288 1021 294 1028 "},
v9a:{x_min:-21.78125,x_max:367.5,ha:375,o:"m 230 1031 b 238 1032 232 1032 235 1032 b 259 1014 245 1032 251 1027 b 367 662 330 906 367 782 b 364 602 367 641 367 621 b 232 317 352 488 304 384 b 57 120 155 245 103 187 b -1 18 31 84 6 40 b -19 4 -4 11 -12 4 l -21 4 l -21 159 l -21 315 l -16 315 b 96 335 10 315 62 324 b 315 695 227 380 315 527 b 313 738 315 709 314 724 b 224 991 304 825 273 916 b 216 1013 219 999 216 1007 b 230 1031 216 1021 220 1028 "},va5:{x_min:0,x_max:349.8125,ha:357,o:"m 88 302 b 103 303 93 302 98 303 b 202 224 149 303 191 270 b 205 199 204 216 205 208 b 178 129 205 173 196 147 l 175 126 l 182 127 b 307 249 236 142 284 190 b 313 259 308 254 311 258 b 329 267 317 265 323 267 b 349 247 340 267 349 259 b 201 -263 349 242 204 -258 b 182 -273 197 -270 190 -273 b 163 -260 174 -273 166 -269 b 161 -256 161 -259 161 -258 b 217 -59 161 -248 170 -220 b 272 129 247 43 272 127 b 272 129 272 129 272 129 b 264 122 272 129 268 126 b 140 80 227 94 183 80 b 36 115 102 80 65 91 b 0 194 10 136 0 165 b 88 302 0 244 32 292 "}},
cssFontWeight:"normal",ascender:1903,underlinePosition:-125,cssFontStyle:"normal",boundingBox:{yMin:-2065.375,xMin:-695.53125,yMax:1901.578125,xMax:1159.671875},resolution:1E3,descender:-2066,familyName:"VexNotation-18",lineHeight:4093,underlineThickness:50};Vex.Flow.renderGlyph=function(b,c,d,e,f,g){e=e*72/(Vex.Flow.Font.resolution*100);f=Vex.Flow.Glyph.loadMetrics(Vex.Flow.Font,f,!g);Vex.Flow.Glyph.renderOutline(b,f.outline,e,c,d)};Vex.Flow.Glyph=function(b,c,d){this.code=b;this.point=c;this.context=null;this.options={cache:true,font:Vex.Flow.Font};this.metrics=this.width=null;this.y_shift=this.x_shift=0;d?this.setOptions(d):this.reset()};a=Vex.Flow.Glyph.prototype;a.setOptions=function(b){Vex.Merge(this.options,b);this.reset()};
a.setStave=function(b){this.stave=b;return this};a.setXShift=function(b){this.x_shift=b;return this};a.setYShift=function(b){this.y_shift=b;return this};a.setContext=function(b){this.context=b;return this};a.getContext=function(){return this.context};a.reset=function(){this.metrics=Vex.Flow.Glyph.loadMetrics(this.options.font,this.code,this.options.cache);this.scale=this.point*72/(this.options.font.resolution*100)};
a.getMetrics=function(){if(!this.metrics)throw new Vex.RuntimeError("BadGlyph","Glyph "+this.code+" is not initialized.");return{x_min:this.metrics.x_min*this.scale,x_max:this.metrics.x_max*this.scale,width:(this.metrics.x_max-this.metrics.x_min)*this.scale}};a.render=function(b,c,d){if(!this.metrics)throw new Vex.RuntimeError("BadGlyph","Glyph "+this.code+" is not initialized.");Vex.Flow.Glyph.renderOutline(b,this.metrics.outline,this.scale,c,d)};
a.renderToStave=function(b){if(!this.metrics)throw new Vex.RuntimeError("BadGlyph","Glyph "+this.code+" is not initialized.");if(!this.stave)throw new Vex.RuntimeError("GlyphError","No valid stave");if(!this.context)throw new Vex.RERR("GlyphError","No valid context");Vex.Flow.Glyph.renderOutline(this.context,this.metrics.outline,this.scale,b+this.x_shift,this.stave.getYForGlyphs()+this.y_shift)};
Vex.Flow.Glyph.loadMetrics=function(b,c,d){b=b.glyphs[c];if(!b)throw new Vex.RuntimeError("BadGlyph","Glyph "+c+" does not exist in font.");c=b.x_min;var e=b.x_max;if(b.o){if(d)if(b.cached_outline)d=b.cached_outline;else{d=b.o.split(" ");b.cached_outline=d}else{b.cached_outline&&delete b.cached_outline;d=b.o.split(" ")}return{x_min:c,x_max:e,outline:d}}else throw new Vex.RuntimeError("BadGlyph","Glyph "+this.code+" has no outline defined.");};
Vex.Flow.Glyph.renderOutline=function(b,c,d,e,f){var g=c.length;b.beginPath();b.moveTo(e,f);for(var h=0;h<g;)switch(c[h++]){case "m":b.moveTo(e+c[h++]*d,f+c[h++]*-d);break;case "l":b.lineTo(e+c[h++]*d,f+c[h++]*-d);break;case "q":var k=e+c[h++]*d,i=f+c[h++]*-d;b.quadraticCurveTo(e+c[h++]*d,f+c[h++]*-d,k,i);break;case "b":k=e+c[h++]*d;i=f+c[h++]*-d;b.bezierCurveTo(e+c[h++]*d,f+c[h++]*-d,e+c[h++]*d,f+c[h++]*-d,k,i);break}b.fill()};Vex.Flow.Stave=function(b,c,d,e){arguments.length>0&&this.init(b,c,d,e)};a=Vex.Flow.Stave.prototype;
a.init=function(b,c,d,e){this.x=b;this.y=c;this.width=d;this.glyph_start_x=b+5;this.start_x=this.glyph_start_x+5;this.context=null;this.glyphs=[];this.options={vertical_bar_width:10,glyph_spacing_px:10,num_lines:5,spacing_between_lines_px:10,space_above_staff_ln:4,space_below_staff_ln:4,top_text_position:1};this.height=(this.options.num_lines+this.options.space_above_staff_ln)*this.options.spacing_between_lines_px;Vex.Merge(this.options,e)};a.setNoteStartX=function(b){this.start_x=b;return this};
a.getNoteStartX=function(){return this.start_x};a.getTieStartX=function(){return this.start_x};a.getTieEndX=function(){return this.x+this.width};a.setContext=function(b){this.context=b;return this};a.setY=function(b){this.y=b;return this};a.setWidth=function(b){this.width=b;return this};a.getHeight=function(){return this.height};a.getBottomY=function(){var b=this.options,c=b.spacing_between_lines_px;return this.getYForLine(b.num_lines)+b.space_below_staff_ln*c};
a.getYForLine=function(b){var c=this.options,d=c.spacing_between_lines_px;return this.y+(b*d+c.space_above_staff_ln*d)};a.getYForTopText=function(b){return this.getYForLine(-(b||0)-this.options.top_text_position)};a.getYForNote=function(b){var c=this.options,d=c.spacing_between_lines_px;return this.y+c.space_above_staff_ln*d+5*d-b*d};a.getYForGlyphs=function(){return this.getYForLine(3)};a.addGlyph=function(b){b.setStave(this);this.glyphs.push(b);this.start_x+=b.getMetrics().width;return this};
a.addTrebleGlyph=function(){this.addGlyph(new Vex.Flow.Glyph("v83",40));return this};
a.draw=function(){if(!this.context)throw new Vex.RERR("NoCanvasContext","Can't draw stave without canvas context.");var b=this.options.num_lines,c=this.width,d=this.x;this.drawVerticalBar(0);for(var e=0;e<b;e++){var f=this.getYForLine(e);this.context.fillRect(d,f,c,1)}d=this.glyph_start_x;for(b=0;b<this.glyphs.length;++b){c=this.glyphs[b];c.getContext()||c.setContext(this.context);c.renderToStave(d);d+=c.getMetrics().width}this.drawVerticalBar(this.width);return this};
a.drawVerticalBar=function(b){this.drawVerticalBarFixed(this.x+b)};a.drawVerticalBarFixed=function(b){if(!this.context)throw new Vex.RERR("NoCanvasContext","Can't draw stave without canvas context.");var c=this.getYForLine(0),d=this.getYForLine(this.options.num_lines-1);this.context.fillRect(b,c,1,d-c+1)};Vex.Flow.TabStave=function(b,c,d,e){arguments.length>0&&this.init(b,c,d,e)};Vex.Flow.TabStave.prototype=new Vex.Flow.Stave;Vex.Flow.TabStave.prototype.constructor=Vex.Flow.TabStave;Vex.Flow.TabStave.superclass=Vex.Flow.Stave.prototype;Vex.Flow.TabStave.prototype.init=function(b,c,d,e){var f=Vex.Flow.TabStave.superclass,g={spacing_between_lines_px:10,num_lines:6,top_text_position:1};Vex.Merge(g,e);f.init.call(this,b,c,d,g)};Vex.Flow.TabStave.prototype.getYForGlyphs=function(){return this.getYForLine(2.5)};
Vex.Flow.TabStave.prototype.addTabGlyph=function(){this.addGlyph(new Vex.Flow.Glyph("v2f",30));return this};Vex.Flow.TickContext=function(){this.init()};a=Vex.Flow.TickContext.prototype;a.init=function(){this.maxTicks=this.currentTick=0;this.minTicks=null;this.width=0;this.padding=3;this.x=this.pixelsUsed=0;this.tickables=[];this.ignore_ticks=true;this.preFormatted=false};a.setCurrentTick=function(b){this.currentTick=b;this.preFormatted=false};a.getCurrentTick=function(){return this.currentTick};a.shouldIgnoreTicks=function(){return this.ignore_ticks};
a.getWidth=function(){return this.width+this.padding*2};a.getX=function(){return this.x};a.setX=function(b){this.x=b;return this};a.getPixelsUsed=function(){return this.pixelsUsed};a.setPixelsUsed=function(b){this.pixelsUsed=b;return this};a.setPadding=function(b){this.padding=b;return this};a.getMaxTicks=function(){return this.maxTicks};a.getMinTicks=function(){return this.minTicks};a.getTickables=function(){return this.tickables};
a.addTickable=function(b){if(!b)throw new Vex.RERR("BadArgument","Invalid tickable added.");var c=b.getTicks();if(!b.shouldIgnoreTicks()){this.ignore_ticks=false;if(c>this.maxTicks)this.maxTicks=c;if(this.minTicks==null)this.minTicks=c;if(c<this.minTicks)this.minTicks=c}b.setTickContext(this);this.tickables.push(b);this.preFormatted=false;return this};
a.preFormat=function(){if(!this.preFormatted){for(var b=0;b<this.tickables.length;++b){var c=this.tickables[b];c.preFormat();c=c.getWidth();if(c>this.width)this.width=c}return this}};Vex.Flow.Tickable=function(){this.init()};a=Vex.Flow.Tickable.prototype;a.init=function(){this.x_shift=this.width=this.ticks=0;this.modifierContext=this.tickContext=this.voice=null;this.modifiers=[];this.ignore_ticks=this.preFormatted=false};a.addToModifierContext=function(){this.modifierContext=modifierContext;this.preFormatted=false};a.addModifier=function(){this.modifiers.push(mc);this.preFormatted=false};a.setTickContext=function(b){this.tickContext=b;this.preFormatted=false};
a.preFormat=function(){if(!preFormatted){this.width=0;if(this.modifierContext){this.modifierContext.preFormat();this.width+=this.modifierContext.getWidth()}}};a.getTicks=function(){return this.ticks};a.shouldIgnoreTicks=function(){return this.ignore_ticks};a.getWidth=function(){return this.width};a.setXShift=function(b){this.x_shift=b};a.getVoice=function(){if(!this.voice)throw new Vex.RERR("NoVoice","Tickable has no voice.");return this.voice};a.setVoice=function(b){this.voice=b};Vex.Flow.Note=function(b){arguments.length>0&&this.init(b)};Vex.Flow.Note.prototype=new Vex.Flow.Tickable;Vex.Flow.Note.superclass=Vex.Flow.Tickable.prototype;Vex.Flow.Note.constructor=Vex.Flow.Note;a=Vex.Flow.Note.prototype;
a.init=function(b){Vex.Flow.Note.superclass.init.call(this);this.duration=b;if(!this.duration)throw new Vex.RuntimeError("BadArguments","Note must have duration.");if(this.positions&&(typeof this.positions!="object"||!this.positions.length))throw new Vex.RuntimeError("BadArguments","Note keys must be array type.");this.ticks=Vex.Flow.durationToTicks[this.duration];if(!this.ticks)throw new Vex.RuntimeError("BadArguments","Invalid duration string (No ticks found): "+this.duration);this.modifierContext=
this.tickContext=null;this.x_shift=this.extraRightPx=this.extraLeftPx=this.width=0;this.voice=null;this.preFormatted=false;this.ys=[];this.stave=this.context=null};a.setYs=function(b){this.ys=b;return this};a.getStave=function(){return this.stave};a.setStave=function(b){this.stave=b;return this};a.setContext=function(b){this.context=b;return this};a.getTicks=function(){return this.ticks};a.getExtraLeftPx=function(){return this.extraLeftPx};a.getExtraRightPx=function(){return this.extraRightPx};
a.setExtraLeftPx=function(b){this.extraLeftPx=b;return this};a.setExtraRightPx=function(b){this.extraRightPx=b;return this};a.getYs=function(){if(this.ys.length==0)throw new Vex.RERR("NoYValues","No Y-values calculated for this note.");return this.ys};a.getVoice=function(){if(!this.voice)throw new Vex.RERR("NoVoice","Note has no voice.");return this.voice};a.setVoice=function(b){this.voice=b;this.preFormatted=false;return this};a.getTickContext=function(){return this.tickContext};
a.setTickContext=function(b){this.tickContext=b;this.preFormatted=false;return this};a.getDuration=function(){return this.duration};a.setModifierContext=function(b){this.modifierContext=b;return this};a.getWidth=function(){if(!this.preFormatted)throw new Vex.RERR("UnformattedNote","Can't call GetWidth on an unformatted note.");return this.width+this.x_shift+(this.modifierContext?this.modifierContext.getWidth():0)};a.setWidth=function(b){this.width=b};a.setXShift=function(b){this.x_shift=b;return this};
a.getX=function(){if(!this.tickContext)throw new Vex.RERR("NoTickContext","Note needs a TickContext assigned for an X-Value");return this.tickContext.getX()+this.x_shift};
a.getAbsoluteX=function(b){if(!this.tickContext)throw new Vex.RERR("NoTickContext","Note needs a TickContext assigned for an X-Value");b=this.tickContext.getX()+this.tickContext.getPixelsUsed()/2+this.extraLeftPx/2-this.extraRightPx/2;if(this.modifierContext)b+=this.modifierContext.getExtraLeftPx()/2-this.modifierContext.getExtraRightPx()/2;if(this.stave)b+=this.stave.getNoteStartX();return b};a.setPreFormatted=function(b){this.preFormatted=b};Vex.Flow.BarNote=function(){this.init()};Vex.Flow.BarNote.prototype=new Vex.Flow.Note;Vex.Flow.BarNote.superclass=Vex.Flow.Note.prototype;Vex.Flow.BarNote.constructor=Vex.Flow.BarNote;a=Vex.Flow.BarNote.prototype;a.init=function(){Vex.Flow.BarNote.superclass.init.call(this,"b");this.setWidth(8);this.ignore_ticks=true};a.setStave=function(b){Vex.Flow.BarNote.superclass.setStave.call(this,b)};a.addToModifierContext=function(){return this};a.preFormat=function(){this.setPreFormatted(true);return this};
a.draw=function(){if(!this.stave)throw new Vex.RERR("NoStave","Can't draw without a stave.");this.stave.drawVerticalBarFixed(this.getAbsoluteX()+this.x_shift)};Vex.Flow.GhostNote=function(b){arguments.length>0&&this.init(b)};Vex.Flow.GhostNote.prototype=new Vex.Flow.Note;Vex.Flow.GhostNote.superclass=Vex.Flow.Note.prototype;Vex.Flow.GhostNote.constructor=Vex.Flow.GhostNote;a=Vex.Flow.GhostNote.prototype;a.init=function(b){Vex.Flow.GhostNote.superclass.init.call(this,b);this.setWidth(0)};a.setStave=function(b){Vex.Flow.GhostNote.superclass.setStave.call(this,b)};a.addToModifierContext=function(){return this};
a.preFormat=function(){this.setPreFormatted(true);return this};a.draw=function(){if(!this.stave)throw new Vex.RERR("NoStave","Can't draw without a stave.");};Vex.Flow.StaveNote=function(b){arguments.length>0&&this.init(b)};Vex.Flow.StaveNote.prototype=new Vex.Flow.Note;Vex.Flow.StaveNote.superclass=Vex.Flow.Note.prototype;Vex.Flow.StaveNote.constructor=Vex.Flow.StaveNote;Vex.Flow.StaveNote.STEM_UP=1;Vex.Flow.StaveNote.STEM_DOWN=-1;a=Vex.Flow.StaveNote.prototype;a.getCategory=function(){return"stavenotes"};
a.init=function(b){Vex.Flow.StaveNote.superclass.init.call(this,b.duration);this.keys=b.keys;this.glyph=Vex.Flow.durationToGlyph(this.duration);if(!this.glyph)throw new Vex.RuntimeError("BadArguments","Invalid duration string (No glyph found): "+this.duration);this.keyProps=[];this.displaced=false;for(var c=null,d=0;d<this.keys.length;++d){var e=this.keys[d];if(this.glyph.rest)e=this.glyph.position;var f=Vex.Flow.keyProperties(e);if(!f)throw new Vex.RuntimeError("BadArguments","Invalid key for note properties: "+
e);e=f.line;if(c!=null)if(Math.abs(c-e)==0.5)this.displaced=true;c=e;this.keyProps.push(f)}this.modifiers=[];this.render_options={glyph_font_scale:38,stem_height:35,stroke_px:3,stroke_spacing:10};this.setStemDirection(b.stem_direction)};a.setStave=function(b){Vex.Flow.StaveNote.superclass.setStave.call(this,b);b=[];for(var c=0;c<this.keyProps.length;++c)b.push(this.stave.getYForNote(this.keyProps[c].line));return this.setYs(b)};a.getKeyProps=function(){return this.keyProps};a.getStemDirection=function(){return this.stem_direction};
a.getStemX=function(){var b=this.getAbsoluteX()+this.x_shift,c=this.getAbsoluteX()+this.x_shift+this.glyph.head_width;return this.stem_direction==Vex.Flow.StaveNote.STEM_DOWN?b:c};
a.getStemExtents=function(){if(!this.ys||this.ys.length==0)throw new Vex.RERR("NoYValues","Can't get top stem Y when note has no Y values.");for(var b=this.ys[0],c=this.ys[0],d=0;d<this.ys.length;++d){var e=this.ys[d]+this.render_options.stem_height*-this.stem_direction;if(this.stem_direction==Vex.Flow.StaveNote.STEM_DOWN){b=b>e?b:e;c=c<this.ys[d]?c:this.ys[d]}else{b=b<e?b:e;c=c>this.ys[d]?c:this.ys[d]}}return{topY:b,baseY:c}};
a.getTieRightX=function(){var b=this.getAbsoluteX();b+=this.glyph.head_width+this.x_shift+this.extraRightPx;if(this.modifierContext)b+=this.modifierContext.getExtraRightPx();return b};a.getTieLeftX=function(){var b=this.getAbsoluteX();b+=this.x_shift-this.extraLeftPx;return b};
a.getModifierStartXY=function(b,c){if(!this.preFormatted)throw new Vex.RERR("UnformattedNote","Can't call GetModifierStartXY on an unformatted note");if(this.ys.length==0)throw new Vex.RERR("NoYValues","No Y-Values calculated for this note.");var d=0;if(b==Vex.Flow.Modifier.Position.LEFT)d=-2;else if(b==Vex.Flow.Modifier.Position.RIGHT)d=this.glyph.head_width+this.x_shift+2;return{x:this.getAbsoluteX()+d,y:this.ys[c]}};
a.setStemDirection=function(b){if(!b)b=Vex.Flow.StaveNote.STEM_UP;if(b!=Vex.Flow.StaveNote.STEM_UP&&b!=Vex.Flow.StaveNote.STEM_DOWN)throw new Vex.RERR("BadArgument","Invalid stem direction: "+b);this.stem_direction=b;this.beam=null;this.setPreFormatted(false);return this};a.setBeam=function(b){this.beam=b;return this};
a.addToModifierContext=function(b){this.setModifierContext(b);for(b=0;b<this.modifiers.length;++b)this.modifierContext.addModifier(this.modifiers[b]);this.modifierContext.addModifier(this);this.setPreFormatted(false)};a.addAccidental=function(b,c){c.setNote(this);c.setIndex(b);this.modifiers.push(c);this.setPreFormatted(false);return this};a.getAccidentals=function(){return this.modifierContext.getModifiers("accidentals")};
a.getVoiceShiftWidth=function(){return this.glyph.head_width*(this.displaced?2:1)};a.preFormat=function(){if(!this.preFormatted){this.modifierContext&&this.modifierContext.preFormat();this.setExtraLeftPx(this.displaced&&this.stem_direction==-1?this.glyph.head_width:0);this.setExtraRightPx(this.displaced&&this.stem_direction==1?this.glyph.head_width:0);this.setWidth(this.glyph.head_width+this.extraLeftPx+this.extraRightPx);this.setPreFormatted(true)}};
a.draw=function(){if(!this.context)throw new Vex.RERR("NoCanvasContext","Can't draw without a canvas context.");if(!this.stave)throw new Vex.RERR("NoStave","Can't draw without a stave.");if(this.ys.length==0)throw new Vex.RERR("NoYValues","Can't draw note without Y values.");var b=this.context,c=this.getAbsoluteX()+this.x_shift,d=this.ys,e=this.keys,f=this.glyph,g=this.stem_direction,h=this.beam==null,k=this.beam==null,i=c+f.head_width,j=null,l=null,o=null,n=false,p=0,v=e.length,x=1;if(g==Vex.Flow.StaveNote.STEM_DOWN){p=
e.length-1;x=v=-1}e=5;var u=1;for(p=p;p!=v;p+=x){var s=this.keyProps[p],m=s.line;e=m>e?m:e;u=m<u?m:u;if(o==null)o=m;else if(Math.abs(o-m)==0.5)n=!n;o=m;m=d[p];if(j==null||m<j)j=m;if(l==null||m>l)l=m;var t=f.code_head,r=c+(n?f.head_width*g:0);if(s.code){t=s.code;r=c+s.shift_right}Vex.Flow.renderGlyph(b,r,m,this.render_options.glyph_font_scale,t)}if(!f.rest){var w=this;d=function(q){b.fillRect(r-w.render_options.stroke_px,q,r+f.head_width-r+w.render_options.stroke_px*2,1)};for(m=6;m<=e;++m)d(this.stave.getYForNote(m));
for(m=0;m>=u;--m)d(this.stave.getYForNote(m))}d=(l-j)*g+this.render_options.stem_height*g;if(f.stem&&h){if(g==Vex.Flow.StaveNote.STEM_DOWN){h=c;o=j}else{h=i;o=l}b.fillRect(h,o-(d<0?0:d),1,Math.abs(d))}if(f.flag&&k){if(g==Vex.Flow.StaveNote.STEM_DOWN){c=c+1;j=j-d;l=f.code_flag_downstem}else{c=i+1;j=l-d;l=f.code_flag_upstem}Vex.Flow.renderGlyph(b,c,j,this.render_options.glyph_font_scale,l)}for(p=0;p<this.modifiers.length;++p){j=this.modifiers[p];j.setContext(this.context);j.draw()}};Vex.Flow.TabNote=function(b){arguments.length>0&&this.init(b)};Vex.Flow.TabNote.prototype=new Vex.Flow.Note;Vex.Flow.TabNote.superclass=Vex.Flow.Note.prototype;Vex.Flow.TabNote.constructor=Vex.Flow.TabNote;a=Vex.Flow.TabNote.prototype;
a.init=function(b){Vex.Flow.TabNote.superclass.init.call(this,b.duration);this.positions=b.positions;this.modifiers=[];this.render_options={glyph_font_scale:30};this.glyphs=[];for(b=this.width=0;b<this.positions.length;++b){var c=Vex.Flow.tabToGlyph(this.positions[b].fret);this.glyphs.push(c);this.width=c.width>this.width?c.width:this.width}};
a.setStave=function(b){Vex.Flow.TabNote.superclass.setStave.call(this,b);b=[];for(var c=0;c<this.positions.length;++c)b.push(this.stave.getYForLine(this.positions[c].str-1));return this.setYs(b)};a.getPositions=function(){return this.positions};a.addToModifierContext=function(b){this.setModifierContext(b);for(b=0;b<this.modifiers.length;++b)this.modifierContext.addModifier(this.modifiers[b]);this.preFormatted=false;return this};
a.addModifier=function(b,c){b.setNote(this);b.setIndex(c||0);this.modifiers.push(b);this.setPreFormatted(false);return this};a.getTieRightX=function(){var b=this.getAbsoluteX();b+=this.width/2+this.x_shift+this.extraRightPx;if(this.modifierContext)b+=this.modifierContext.getExtraRightPx();return b};a.getTieLeftX=function(){var b=this.getAbsoluteX();b+=this.x_shift-this.extraLeftPx;if(this.modifierContext)b-=this.modifierContext.getExtraLeftPx();return b};
a.getModifierStartXY=function(b,c){if(!this.preFormatted)throw new Vex.RERR("UnformattedNote","Can't call GetModifierStartXY on an unformatted note");if(this.ys.length==0)throw new Vex.RERR("NoYValues","No Y-Values calculated for this note.");var d=0;if(b==Vex.Flow.Modifier.Position.LEFT)d=-2;else if(b==Vex.Flow.Modifier.Position.RIGHT)d=this.width/2+2;return{x:this.getAbsoluteX()+d,y:this.ys[c]}};
a.preFormat=function(){if(!this.preFormatted){this.modifierContext&&this.modifierContext.preFormat();this.setPreFormatted(true)}};
a.draw=function(){if(!this.context)throw new Vex.RERR("NoCanvasContext","Can't draw without a canvas context.");if(!this.stave)throw new Vex.RERR("NoStave","Can't draw without a stave.");if(this.ys.length==0)throw new Vex.RERR("NoYValues","Can't draw note without Y values.");for(var b=this.context,c=this.getAbsoluteX(),d=this.ys,e=0;e<this.positions.length;++e){var f=d[e],g=this.glyphs[e],h=c-g.width/2;if(g.code)Vex.Flow.renderGlyph(b,h,f+5+g.shift_y,this.render_options.glyph_font_scale,g.code);else{g=
g.text.toString();b.fillText(g,h,f+4)}}for(e=0;e<this.modifiers.length;++e){b=this.modifiers[e];b.setContext(this.context);b.draw()}};Vex.Flow.Beam=function(b){arguments.length>0&&this.init(b)};
Vex.Flow.Beam.prototype.init=function(b){if(!b||b==[])throw new Vex.RuntimeError("BadArguments","No notes provided for beam.");if(b.length==1)throw new Vex.RuntimeError("BadArguments","Too few notes for beam.");this.stem_direction=b[0].getStemDirection();this.ticks=b[0].getTicks();if(this.ticks>Vex.Flow.durationToTicks["8d"])throw new Vex.RuntimeError("BadArguments","Beams can be at most dotted eighth notes.");for(var c=1;c<b.length;++c){var d=b[c];if(d.getStemDirection()!=this.stem_direction)throw new Vex.RuntimeError("BadArguments",
"Notes in a beam all have the same stem direction");}for(c=0;c<b.length;++c){d=b[c];d.setBeam(this)}this.notes=b;this.beam_count=Vex.Flow.durationToGlyph(this.notes[0].getDuration()).beam_count;this.render_options={beam_width:5}};Vex.Flow.Beam.prototype.setContext=function(b){this.context=b;return this};Vex.Flow.Beam.prototype.getNotes=function(){return this.notes};
Vex.Flow.Beam.prototype.draw=function(){function b(s){return f+(s-h)*k}function c(s){for(var m=[],t=false,r=0;r<o.notes.length;++r){var w=o.notes[r];if(w.getTicks()<=Vex.Flow.durationToTicks[s])if(t){var q=m[m.length-1];q.end=w.getStemX()}else{m.push({start:w.getStemX(),end:null});t=true}else{if(t){q=m[m.length-1];if(q.end==null)q.end=q.start+10}t=false}}if(t==true){q=m[m.length-1];if(q.end==null)q.end=q.start-10}return m}if(!this.context)throw new Vex.RERR("NoCanvasContext","Can't draw without a canvas context.");
var d=this.notes[0],e=this.notes[this.notes.length-1],f=d.getStemExtents().topY,g=e.getStemExtents().topY,h=d.getStemX();e=e.getStemX();d=this.render_options.beam_width*this.stem_direction;var k=(g-f)/(e-h);e=0;for(var i=1;i<this.notes.length;++i){var j=this.notes[i],l=j.getStemX();j=j.getStemExtents().topY;l=b(l);if((j+e)*this.stem_direction<l*this.stem_direction)e+=Math.abs(j-l)*-this.stem_direction}for(i=0;i<this.notes.length;++i){j=this.notes[i];l=j.getStemX();j=j.getStemExtents().baseY;this.context.fillRect(l,
j,1,Math.abs(j-(b(l)+e))*-this.stem_direction)}var o=this;l=["8d","16d","32d"];for(i=0;i<l.length;++i){j=c(l[i]);for(var n=0;n<j.length;++n){var p=j[n],v=p.start,x=b(v);p=p.end;var u=b(p);this.context.beginPath();this.context.moveTo(v,x+e);this.context.lineTo(v,x+d+e);this.context.lineTo(p+1,u+d+e);this.context.lineTo(p+1,u+e);this.context.closePath();this.context.fill()}f+=d*1.5;g+=d*1.5}return true};Vex.Flow.Voice=function(b){this.init(b)};a=Vex.Flow.Voice.prototype;a.init=function(b){this.time=b;this.totalTicks=this.time.num_beats*(this.time.resolution/this.time.beat_value);this.tickables=[];this.ticksUsed=0;this.smallestTickCount=this.totalTicks;this.largestTickWidth=0;this.strict=true;this.voiceGroup=null};a.getVoiceGroup=function(){if(!this.voiceGroup)throw new Vex.RERR("NoVoiceGroup","No voice group for voice.");return this.voiceGroup};a.setVoiceGroup=function(b){this.voiceGroup=b;return this};
a.setStrict=function(b){this.strict=b;return this};a.isComplete=function(){return this.ticksUsed==this.totalTicks||!this.strict};a.getTotalTicks=function(){return this.totalTicks};a.getTicksUsed=function(){return this.ticksUsed};a.getLargestTickWidth=function(){return this.largestTickWidth};a.getSmallestTickCount=function(){return this.smallestTickCount};a.getTickables=function(){return this.tickables};
a.addTickable=function(b){var c=b.getTicks();this.ticksUsed+=c;if(this.strict&&this.ticksUsed>this.totalTicks){this.totalTicks-=c;throw new Vex.RERR("BadArgument","Too many ticks.");}if(c<this.smallestTickCount)this.smallestTickCount=c;this.tickables.push(b);b.setVoice(this);return this};a.addTickables=function(b){for(var c=0;c<b.length;++c)this.addTickable(b[c]);return this};
a.draw=function(b,c){for(var d=0;d<this.tickables.length;++d){this.tickables[d].setContext(b);this.tickables[d].setStave(c);this.tickables[d].draw()}};Vex.Flow.Modifier=function(){this.init()};Vex.Flow.Modifier.Position={LEFT:1,RIGHT:2,ABOVE:3,BELOW:4};a=Vex.Flow.Modifier.prototype;a.init=function(){this.width=0;this.index=this.note=this.context=null;this.text_line=0;this.position=Vex.Flow.Modifier.Position.LEFT;this.modifier_context=null;this.y_shift=this.x_shift=0};a.getCategory=function(){return"none"};a.getWidth=function(){return this.width};a.setWidth=function(b){this.width=b;return this};a.getNote=function(){return this.note};
a.setNote=function(b){this.note=b;return this};a.getIndex=function(){return this.index};a.setIndex=function(b){this.index=b;return this};a.getContext=function(){return this.context};a.setContext=function(b){this.context=b;return this};a.getModifierContext=function(){return this.modifier_context};a.setModifierContext=function(b){this.modifier_context=b;return this};a.setTextLine=function(b){this.text_line=b;return this};
a.setXShift=function(b){this.x_shift=0;if(this.position==Vex.Flow.Modifier.Position.LEFT)this.x_shift-=b;else this.x_shift+=b};a.draw=function(){if(!this.context)throw new Vex.RERR("NoCanvasContext","Can't draw without a canvas context.");throw new Vex.RERR("MethodNotImplemented","Draw() not implemented for this modifier.");};Vex.Flow.ModifierContext=function(){this.modifiers={};this.preFormatted=false;this.spacing=this.width=0;this.state={left_shift:0,right_shift:0,text_line:0}};a=Vex.Flow.ModifierContext.prototype;a.addModifier=function(b){var c=b.getCategory();this.modifiers[c]||(this.modifiers[c]=[]);this.modifiers[c].push(b);b.setModifierContext(this);this.preFormatted=false;return this};a.getModifiers=function(b){return this.modifiers[b]};a.getWidth=function(){return this.width};a.getExtraLeftPx=function(){return this.state.left_shift};
a.getExtraRightPx=function(){return this.state.right_shift};a.getMetrics=function(){if(!this.formatted)throw new Vex.RERR("UnformattedModifier","Unformatted modifier has no metrics.");return{width:this.state.left_shift+this.state.right_shift+this.spacing,spacing:this.spacing,extra_left_px:this.state.left_shift,extra_right_px:this.state.right_shift}};
a.formatNotes=function(){var b=this.modifiers.stavenotes;if(!b||b.length<2)return this;var c=b[0],d=b[1];if(b[0].getStemDirection()==Vex.Flow.StaveNote.STEM_DOWN){d=b[0];c=b[1]}b=c.getKeyProps();var e=d.getKeyProps(),f=0;if(b[0].line<=e[e.length-1].line+0.5){f=c.getVoiceShiftWidth();d.setXShift(f)}this.state.right_shift+=f;return this};
a.formatAccidentals=function(){var b=this.state.left_shift,c=this.modifiers.accidentals;if(!c||c.length==0)return this;for(var d=[],e=0;e<c.length;++e){var f=c[e],g=f.getNote().getKeyProps()[f.getIndex()].line;d.push({line:g,acc:f})}d.sort(function(i,j){return j.line-i.line});c=b;var h=0,k=d[0].line;for(e=0;e<d.length;++e){f=d[e].acc;g=d[e].line;if(g<k-3){k=g;c=b}f.setXShift(c);c+=f.getWidth()+2;h=c>h?c:h}this.state.left_shift+=h;return this};
a.formatBends=function(){var b=this.modifiers.bends;if(!b||b.length==0)return this;for(var c=0,d=this.state.text_line,e=0;e<b.length;++e){var f=b[e],g=Vex.Flow.textWidth(f.getText());c+=f.render_options.bend_width+g/2;f.setBendWidth(c);c+=f.release_width+g/2;f.setTextLine(d)}this.state.right_shift+=c;this.state.text_line+=1;return this};
a.formatVibratos=function(){var b=this.modifiers.vibratos;if(!b||b.length==0)return this;var c=this.state.text_line,d=0,e=this.state.right_shift-7,f=this.modifiers.bends;f&&f.length>0&&c--;for(f=0;f<b.length;++f){var g=b[f];g.setXShift(e);g.setTextLine(c);d+=g.getWidth();e+=d}this.state.right_shift+=d;this.state.text_line+=1;return this};
a.formatAnnotations=function(){var b=this.modifiers.annotations;if(!b||b.length==0)return this;for(var c=this.state.text_line,d=0;d<b.length;++d){var e=b[d];e.setTextLine(c);e=e.getWidth()>0?e.getWidth():0;c++}this.state.left_shift+=e/2;this.state.right_shift+=e/2;return this};a.preFormat=function(){if(!this.preFormatted){this.formatNotes().formatAccidentals().formatAnnotations().formatBends().formatVibratos();this.width=this.state.left_shift+this.state.right_shift;this.preFormatted=true}};Vex.Flow.Accidental=function(b){arguments.length>0&&this.init(b)};Vex.Flow.Accidental.prototype=new Vex.Flow.Modifier;Vex.Flow.Accidental.prototype.constructor=Vex.Flow.Accidental;Vex.Flow.Accidental.superclass=Vex.Flow.Modifier.prototype;a=Vex.Flow.Accidental.prototype;
a.init=function(b){Vex.Flow.Accidental.superclass.init.call(this);this.index=this.note=null;this.type=b;this.position=Vex.Flow.Modifier.Position.LEFT;this.render_options={font_scale:38,stroke_px:3,stroke_spacing:10};this.accidental=Vex.Flow.accidentalCodes(this.type);this.setWidth(this.accidental.width)};a.getCategory=function(){return"accidentals"};a.getNote=function(){return this.note};a.setNote=function(b){this.note=b;return this};a.getIndex=function(){return this.index};
a.setIndex=function(b){this.index=b;return this};a.draw=function(){if(!this.context)throw new Vex.RERR("NoContext","Can't draw accidental without a context.");if(!(this.note&&this.index!=null))throw new Vex.RERR("NoAttachedNote","Can't draw accidental without a note and index.");var b=this.note.getModifierStartXY(this.position,this.index);Vex.Flow.renderGlyph(this.context,b.x+this.x_shift-this.width,b.y+this.y_shift,this.render_options.font_scale,this.accidental.code)};Vex.Flow.Formatter=function(){this.minTotalWidth=0;this.minTicks=null;this.totalTicks=this.pixelsPerTick=0;this.tContexts=null;this.render_options={perTickableWidth:15,maxExtraWidthPerTickable:40}};Vex.Flow.Formatter.FormatAndDraw=function(b,c,d,e){var f=(new Vex.Flow.Voice(Vex.Flow.TIME4_4)).setStrict(false);f.addTickables(d);(new Vex.Flow.Formatter).joinVoices([f]).format([f],e);f.draw(b,c)};
Vex.Flow.Formatter.FormatAndDrawTab=function(b,c,d,e,f,g){var h=(new Vex.Flow.Voice(Vex.Flow.TIME4_4)).setStrict(false);h.addTickables(e);e=(new Vex.Flow.Voice(Vex.Flow.TIME4_4)).setStrict(false);e.addTickables(f);(new Vex.Flow.Formatter).joinVoices([h]).joinVoices([e]).format([h,e],g);h.draw(b,c);e.draw(b,d)};Vex.Flow.Formatter.prototype.getMinTotalWidth=function(){return this.minTotalWidth};
Vex.Flow.Formatter.createContexts=function(b,c,d){if(!b||!b.length)throw new Vex.RERR("BadArgument","No voices to format");for(var e=b[0].getTotalTicks(),f={},g=[],h=0;h<b.length;++h){var k=b[h];if(k.getTotalTicks()!=e)throw new Vex.RERR("TickMismatch","Voices should have same time signature.");if(!k.isComplete())throw new Vex.RERR("IncompleteVoice","Voice does not have enough notes.");k=k.getTickables();for(var i=0,j=0;j<k.length;++j){var l=k[j];f[i]||(f[i]=new c);d(l,f[i]);g.push(i);i+=l.getTicks()}}return{map:f,
list:Vex.SortAndUnique(g,function(o,n){return o-n})}};a=Vex.Flow.Formatter.prototype;a.createModifierContexts=function(b){return Vex.Flow.Formatter.createContexts(b,Vex.Flow.ModifierContext,function(c,d){c.addToModifierContext(d)})};a.createTickContexts=function(b){var c=Vex.Flow.Formatter.createContexts(b,Vex.Flow.TickContext,function(d,e){e.addTickable(d)});this.totalTicks=b[0].getTicksUsed();return this.tContexts=c};
a.preFormat=function(b){var c=this.tContexts,d=c.list;c=c.map;for(var e=this.minTotalWidth=0;e<d.length;++e){var f=c[d[e]];f.preFormat();this.minTotalWidth+=f.getWidth();var g=f.getMinTicks();if(e==0)this.minTicks=g;if(g<this.minTicks)this.minTicks=g}if(b<this.minTotalWidh)throw new Vex.RERR("NoRoomForNotes","Justification width too small to fit all notes.");var h=false;if(b){this.pixelsPerTick=b/this.totalTicks;h=true}else this.pixelsPerTick=this.render_options.perTickableWidth/this.minTicks;for(e=
b=0;e<d.length;++e){var k=d[e];f=c[k];var i=f.getWidth();g=f.getMinTicks();g=Math.max(i,g*this.pixelsPerTick);g=Math.min(i+20,g);var j=b;if(h){j=k*this.pixelsPerTick;if(j<b)j+=b-j}else{k=i+this.render_options.maxExtraWidthPerTickable;if(g>k)g=k}f.setX(j);f.setPixelsUsed(g);b+=g}};a.joinVoices=function(b){this.createModifierContexts(b);return this};a.format=function(b,c){this.createTickContexts(b);this.preFormat(c);return this};Vex.Flow.StaveTie=function(b,c){arguments.length>0&&this.init(b,c)};a=Vex.Flow.StaveTie.prototype;a.init=function(b,c){this.notes=b;this.context=null;this.text=c;this.render_options={cp1:8,cp2:15,text_shift_x:0,first_x_shift:0,last_x_shift:0,y_shift:3,tie_spacing:0,font:{family:"Arial",size:8,style:"bold"}};this.font=this.render_options.font;this.setNotes(b)};a.setContext=function(b){this.context=b;return this};a.setFont=function(b){this.font=b;return this};
a.setNotes=function(b){if(!b.first_note&&!b.last_note)throw new Vex.RuntimeError("BadArguments","Tie needs to have either first_note or last_note set.");if(!b.first_indices)b.first_indices=[0];if(!b.last_indices)b.last_indices=[0];if(b.first_indices.length!=b.last_indices.length)throw new Vex.RuntimeError("BadArguments","Tied notes must have similar index sizes");this.first_note=b.first_note;this.first_indices=b.first_indices;this.last_note=b.last_note;this.last_indices=b.last_indices;return this};
a.isPartial=function(){return!this.first_note||!this.last_note};
a.renderTie=function(b){if(b.first_ys.length==0||b.last_ys.length==0)throw new Vex.RERR("BadArguments","No Y-values to render");for(var c=this.context,d=this.render_options.cp1,e=this.render_options.cp2,f=this.render_options.first_x_shift,g=this.render_options.last_x_shift,h=this.render_options.y_shift*b.direction,k=0;k<this.first_indices.length;++k){var i=(b.last_x_px+g+(b.first_x_px+f))/2,j=b.first_ys[this.first_indices[k]]+h,l=b.last_ys[this.last_indices[k]]+h;if(isNaN(j)||isNaN(l))throw new Vex.RERR("BadArguments",
"Bad indices for tie rendering.");var o=(j+l)/2+d*b.direction,n=(j+l)/2+e*b.direction;c.beginPath();c.moveTo(b.first_x_px+f,j);c.quadraticCurveTo(i,o,b.last_x_px+g,l);c.quadraticCurveTo(i,n,b.first_x_px+f,j);c.closePath();c.fill()}};
a.renderText=function(b,c){if(this.text){b=(b+c)/2;b-=Vex.Flow.textWidth(this.text)/2;this.context.save();this.context.setFont(this.font.family,this.font.size,this.font.style);this.context.fillText(this.text,b+this.render_options.text_shift_x,(this.first_note||this.last_note).getStave().getYForTopText());this.context.restore()}};
a.draw=function(){if(!this.context)throw new Vex.RERR("NoContext","No context to render tie.");var b=this.first_note,c=this.last_note,d,e,f,g;if(b){d=b.getTieRightX()+this.render_options.tie_spacing;g=b.getStemDirection();f=b.getYs()}else{d=c.getStave().getTieStartX();f=c.getYs();this.first_indices=this.last_indices}if(c){e=c.getTieLeftX()+this.render_options.tie_spacing;g=c.getStemDirection();b=c.getYs()}else{e=b.getStave().getTieEndX();b=b.getYs();this.last_indices=this.first_indices}this.renderTie({first_x_px:d,
last_x_px:e,first_ys:f,last_ys:b,direction:g});this.renderText(d,e);return true};Vex.Flow.TabTie=function(b,c){arguments.length>0&&this.init(b,c)};Vex.Flow.TabTie.prototype=new Vex.Flow.StaveTie;Vex.Flow.TabTie.prototype.constructor=Vex.Flow.TabTie;Vex.Flow.TabTie.superclass=Vex.Flow.StaveTie.prototype;Vex.Flow.TabTie.createHammeron=function(b){return new Vex.Flow.TabTie(b,"H")};Vex.Flow.TabTie.createPulloff=function(b){return new Vex.Flow.TabTie(b,"P")};
Vex.Flow.TabTie.prototype.init=function(b,c){Vex.Flow.TabTie.superclass.init.call(this,b,c);this.render_options.cp1=9;this.render_options.cp2=11;this.render_options.y_shift=3;this.setNotes(b)};
Vex.Flow.TabTie.prototype.draw=function(){if(!this.context)throw new Vex.RERR("NoContext","No context to render tie.");var b=this.first_note,c=this.last_note,d,e,f;if(b){d=b.getTieRightX()+this.render_options.tie_spacing;f=b.getYs()}else{d=c.getStave().getTieStartX();f=c.getYs();this.first_indices=this.last_indices}if(c){e=c.getTieLeftX()+this.render_options.tie_spacing;b=c.getYs()}else{e=b.getStave().getTieEndX();b=b.getYs();this.last_indices=this.first_indices}this.renderTie({first_x_px:d,last_x_px:e,
first_ys:f,last_ys:b,direction:-1});this.renderText(d,e);return true};Vex.Flow.TabSlide=function(b,c){arguments.length>0&&this.init(b,c)};Vex.Flow.TabSlide.prototype=new Vex.Flow.TabTie;Vex.Flow.TabSlide.prototype.constructor=Vex.Flow.TabSlide;Vex.Flow.TabSlide.superclass=Vex.Flow.TabTie.prototype;Vex.Flow.TabSlide.SLIDE_UP=1;Vex.Flow.TabSlide.SLIDE_DOWN=-1;Vex.Flow.TabSlide.createSlideUp=function(b){return new Vex.Flow.TabSlide(b,Vex.Flow.TabSlide.SLIDE_UP)};Vex.Flow.TabSlide.createSlideDown=function(b){return new Vex.Flow.TabSlide(b,Vex.Flow.TabSlide.SLIDE_DOWN)};
Vex.Flow.TabSlide.prototype.init=function(b,c){Vex.Flow.TabSlide.superclass.init.call(this,b,"sl.");if(!c){c=b.first_note.getPositions()[0].fret;var d=b.last_note.getPositions()[0].fret;c=parseInt(c)>parseInt(d)?Vex.Flow.TabSlide.SLIDE_DOWN:Vex.Flow.TabSlide.SLIDE_UP}this.slide_direction=c;this.render_options.cp1=11;this.render_options.cp2=14;this.render_options.y_shift=0.5;this.setFont({font:"Times",size:10,style:"bold italic"});this.setNotes(b)};
Vex.Flow.TabSlide.prototype.renderTie=function(b){if(b.first_ys.length==0||b.last_ys.length==0)throw new Vex.RERR("BadArguments","No Y-values to render");var c=this.context,d=b.first_x_px,e=b.first_ys;b=b.last_x_px;var f=this.slide_direction;if(f!=Vex.Flow.TabSlide.SLIDE_UP&&f!=Vex.Flow.TabSlide.SLIDE_DOWN)throw new Vex.RERR("BadSlide","Invalid slide direction");for(var g=0;g<this.first_indices.length;++g){var h=e[this.first_indices[g]]+this.render_options.y_shift;if(isNaN(h))throw new Vex.RERR("BadArguments",
"Bad indices for slide rendering.");c.beginPath();c.moveTo(d+5,h+3*f);c.lineTo(b-5,h-3*f);c.closePath();c.stroke()}};Vex.Flow.Bend=function(b,c){arguments.length>0&&this.init(b,c)};Vex.Flow.Bend.prototype=new Vex.Flow.Modifier;Vex.Flow.Bend.prototype.constructor=Vex.Flow.Bend;Vex.Flow.Bend.superclass=Vex.Flow.Modifier.prototype;a=Vex.Flow.Bend.prototype;
a.init=function(b,c){Vex.Flow.Bend.superclass.init.call(this);this.text=b;this.release=c||false;this.font="bold 8pt Arial";this.render_options={bend_width:8,release_width:8};this.bend_width=this.render_options.bend_width;this.release_width=this.release?this.render_options.release_width:0;this.updateWidth()};a.getCategory=function(){return"bends"};a.getText=function(){return this.text};a.updateWidth=function(){this.setWidth(this.bend_width+this.release_width+Vex.Flow.textWidth(this.text)/2)};
a.setBendWidth=function(b){this.bend_width=b;this.updateWidth()};a.setReleaseWidth=function(b){this.release_width=b;this.updateWidth()};a.hasRelease=function(){return this.release};a.setFont=function(b){this.font=b;return this};
a.draw=function(){function b(k,i){var j=k+f.bend_width;e.beginPath();e.moveTo(k,i);e.quadraticCurveTo(j,i,k+f.bend_width,g);f.release&&e.quadraticCurveTo(k+f.bend_width+f.release_width+2,g,k+f.bend_width+f.release_width,i);e.stroke()}function c(k,i,j){j=j||1;e.beginPath();e.moveTo(k,i);e.lineTo(k-3,i+3*j);e.lineTo(k+3,i+3*j);e.closePath();e.fill()}if(!this.context)throw new Vex.RERR("NoContext","Can't draw bend without a context.");if(!(this.note&&this.index!=null))throw new Vex.RERR("NoNoteForBend",
"Can't draw bend without a note or index.");var d=this.note.getModifierStartXY(Vex.Flow.Modifier.Position.RIGHT,this.index),e=this.context,f=this,g=this.note.getStave().getYForTopText(this.text_line)+2;b(d.x,d.y+0.5);this.release?c(d.x+this.bend_width+this.release_width,d.y+0.5,-1):c(d.x+this.bend_width,g);var h=this.note.getStave().getYForTopText(this.text_line);d=d.x+this.bend_width-Vex.Flow.textWidth(this.text)/2;e.save();e.font=this.font;e.fillText(this.text,d,h);e.restore()};Vex.Flow.Vibrato=function(){this.init()};Vex.Flow.Vibrato.prototype=new Vex.Flow.Modifier;Vex.Flow.Vibrato.prototype.constructor=Vex.Flow.Vibrato;Vex.Flow.Vibrato.superclass=Vex.Flow.Modifier.prototype;a=Vex.Flow.Vibrato.prototype;a.init=function(){Vex.Flow.Vibrato.superclass.init.call(this);this.harsh=false;this.position=Vex.Flow.Modifier.Position.RIGHT;this.render_options={vibrato_width:20,wave_height:6,wave_width:4,wave_girth:2};this.setVibratoWidth(this.render_options.vibrato_width)};
a.getCategory=function(){return"vibratos"};a.setVibratoWidth=function(b){this.vibrato_width=b;this.setWidth(this.vibrato_width);return this};a.setHarsh=function(b){this.harsh=b;return this};
a.draw=function(){function b(h,k){var i=d.render_options.wave_width,j=d.render_options.wave_girth,l=d.render_options.wave_height,o=e/i;c.beginPath();if(d.harsh){c.moveTo(h,k+j+1);for(var n=0;n<o/2;++n){c.lineTo(h+i,k-l/2);h+=i;c.lineTo(h+i,k+l/2);h+=i}for(n=0;n<o/2;++n){c.lineTo(h-i,k-l/2+j+1);h-=i;c.lineTo(h-i,k+l/2+j+1);h-=i}}else{c.moveTo(h,k+j);for(n=0;n<o/2;++n){c.quadraticCurveTo(h+i/2,k-l/2,h+i,k);h+=i;c.quadraticCurveTo(h+i/2,k+l/2,h+i,k);h+=i}for(n=0;n<o/2;++n){c.quadraticCurveTo(h-i/2,k+
l/2+j,h-i,k+j);h-=i;c.quadraticCurveTo(h-i/2,k-l/2+j,h-i,k+j);h-=i}}c.fill()}if(!this.context)throw new Vex.RERR("NoContext","Can't draw vibrato without a context.");if(!this.note)throw new Vex.RERR("NoNoteForVibrato","Can't draw vibrato without an attached note.");var c=this.context,d=this,e=this.vibrato_width,f=this.note.getModifierStartXY(Vex.Flow.Modifier.Position.RIGHT,this.index).x+this.x_shift,g=this.note.getStave().getYForTopText(this.text_line)+2;b(f,g)};Vex.Flow.Annotation=function(b){arguments.length>0&&this.init(b)};Vex.Flow.Annotation.prototype=new Vex.Flow.Modifier;Vex.Flow.Annotation.prototype.constructor=Vex.Flow.Annotation;Vex.Flow.Annotation.superclass=Vex.Flow.Modifier.prototype;a=Vex.Flow.Annotation.prototype;a.init=function(b){Vex.Flow.Annotation.superclass.init.call(this);this.index=this.note=null;this.text_line=0;this.text=b;this.font={family:"Arial",size:8,weight:"bold"};this.setWidth(Vex.Flow.textWidth(b))};a.getCategory=function(){return"annotations"};
a.setTextLine=function(b){this.text_line=b;return this};a.setFont=function(b,c,d){this.font={family:b,size:c,weight:d};return this};
a.draw=function(){if(!this.context)throw new Vex.RERR("NoContext","Can't draw vibrato without a context.");if(!this.note)throw new Vex.RERR("NoNoteForAnnotation","Can't draw vibrato without an attached note.");var b=this.note.getModifierStartXY(Vex.Flow.Modifier.Position.LEFT,this.index).x-this.getWidth()/2+2,c=this.note.getStave().getYForTopText(this.text_line);this.context.save();this.context.setFont(this.font.family,this.font.size,this.font.weight);this.context.fillText(this.text,b,c);this.context.restore()};Vex.Flow.Tuning=function(b){this.init(b)};a=Vex.Flow.Tuning.prototype;a.init=function(b){this.setTuning(b||"E/5,B/4,G/4,D/4,A/3,E/3")};a.noteToInteger=function(b){return Vex.Flow.keyProperties(b).int_value};a.setTuning=function(b){this.tuningString=b;this.tuningValues=[];this.numStrings=0;var c=b.split(/\s*,\s*/);if(c.length==0)throw new Vex.RERR("BadArguments","Invalid tuning string: "+b);this.numStrings=c.length;for(b=0;b<this.numStrings;++b)this.tuningValues[b]=this.noteToInteger(c[b])};
a.getValueForString=function(b){var c=parseInt(b);if(c<1||c>this.numStrings)throw new Vex.RERR("BadArguments","String number must be between 1 and "+this.numStrings+": "+b);return this.tuningValues[c-1]};a.getValueForFret=function(b,c){c=this.getValueForString(c);var d=parseInt(b);if(d<0)throw new Vex.RERR("BadArguments","Fret number must be 0 or higher: "+b);return c+d};a.getNoteForFret=function(b,c){b=this.getValueForFret(b,c);c=Math.floor(b/12);return Vex.Flow.integerToNote(b%12)+"/"+c};Vex.Flow.Renderer=function(b,c){arguments.length>0&&this.init(b,c)};Vex.Flow.Renderer.Backends={CANVAS:1,RAPHAEL:2,SVG:3,VML:4};Vex.Flow.Renderer.buildContext=function(b,c,d,e){b=new Vex.Flow.Renderer(b,c);d&&e&&b.resize(d,e);return b.getContext()};Vex.Flow.Renderer.getCanvasContext=function(b,c,d){return Vex.Flow.Renderer.buildContext(b,Vex.Flow.Renderer.Backends.CANVAS,c,d)};
Vex.Flow.Renderer.getRaphaelContext=function(b,c,d){return Vex.Flow.Renderer.buildContext(b,Vex.Flow.Renderer.Backends.RAPHAEL,c,d)};Vex.Flow.Renderer.bolsterCanvasContext=function(b){b.clear=function(){b.clearRect(0,0,2E3,2E3)};b.setFont=function(c,d,e){this.font=(e||"")+" "+d+"pt "+c;return this};b.setFillStyle=function(c){this.fillStyle=c;return this};b.setStrokeStyle=function(c){this.strokeStyle=c;return this};return b};
Vex.Flow.Renderer.prototype.init=function(b,c){this.sel=b;if(!this.sel)throw new Vex.RERR("BadArgument","Invalid selector for renderer.");this.element=document.getElementById(b);if(!this.element)this.element=b;this.paper=this.ctx=null;this.backend=c;if(this.backend==Vex.Flow.Renderer.Backends.CANVAS){if(!this.element.getContext)throw new Vex.RERR("BadElement","Can't get canvas context from element: "+b);this.ctx=Vex.Flow.Renderer.bolsterCanvasContext(this.element.getContext("2d"))}else if(this.backend==
Vex.Flow.Renderer.Backends.RAPHAEL)this.ctx=new Vex.Flow.RaphaelContext(this.element);else throw new Vex.RERR("InvalidBackend","No support for backend: "+this.backend);};
Vex.Flow.Renderer.prototype.resize=function(b,c){if(this.backend==Vex.Flow.Renderer.Backends.CANVAS){if(!this.element.getContext)throw new Vex.RERR("BadElement","Can't get canvas context from element: "+sel);this.element.width=b;this.element.height=c;this.ctx=Vex.Flow.Renderer.bolsterCanvasContext(this.element.getContext("2d"))}else this.ctx.resize(b,c);return this};Vex.Flow.Renderer.prototype.getContext=function(){return this.ctx};Vex.Flow.RaphaelContext=function(b){arguments.length>0&&this.init(b)};a=Vex.Flow.RaphaelContext.prototype;a.init=function(b){this.element=b;this.paper=Raphael(b);this.path="";this.state={scale:{x:1,y:1},font_family:"Arial",font_size:8,font_weight:800};this.attributes={"stroke-width":0.3,fill:"black",font:"8pt Arial"};this.state_stack=[]};
a.setFont=function(b,c,d){this.state.font_family=b;this.state.font_size=c;this.state.font_weight=d;this.attributes.font=(this.state.font_weight||"")+" "+this.state.font_size*this.state.scale.x+"pt "+this.state.font_family;return this};a.setFillStyle=function(b){this.attributes.fill=b;return this};a.setStrokeStyle=function(b){this.attributes.stroke=b;return this};
a.scale=function(b,c){this.state.scale={x:b,y:c};this.attributes.scale=b+","+c+",0,0";this.attributes.font=this.state.font_size*this.state.scale.x+"pt "+this.state.font_family;return this};a.clear=function(){this.paper.clear()};a.resize=function(b,c){this.element.style.width=b;this.paper.setSize(b,c);return this};a.fillRect=function(b,c,d,e){if(e<0){c+=e;e=-e}this.paper.rect(b,c,d-0.5,e-0.5).attr(this.attributes);return this};a.beginPath=function(){this.path="";return this};
a.moveTo=function(b,c){this.path+="M"+b+","+c;return this};a.lineTo=function(b,c){this.path+="L"+b+","+c;return this};a.bezierCurveTo=function(b,c,d,e,f,g){this.path+="C"+b+","+c+","+d+","+e+","+f+","+g;return this};a.quadraticCurveTo=function(b,c,d,e){this.path+="Q"+b+","+c+","+d+","+e;return this};a.fill=function(){this.paper.path(this.path).attr(this.attributes).attr("stroke-width",0);return this};
a.stroke=function(){this.paper.path(this.path).attr(this.attributes).attr("fill","none").attr("stroke-width",1);return this};a.closePath=function(){this.path+="Z";return this};a.fillText=function(b,c,d){var e=0;if(this.state.font_size==9)e=1;this.paper.text(c+Vex.Flow.textWidth(b)/2+2,d-this.state.font_size/(3.5*this.state.scale.y)+e,b).attr(this.attributes);return this};a.save=function(){this.state_stack.push({state:{font_family:this.state.font_family},attributes:{font:this.attributes.font}});return this};
a.restore=function(){var b=this.state_stack.pop();this.state.font_family=b.state.font_family;this.attributes.font=b.attributes.font;return this};