2021-05-28 11:42:51 -04:00
/ *
2018-10-15 15:14:36 -04:00
jSignature v2 "2017-07-30T10:26" "commit ID 3ef5538b5b49228993a9d3613d4b6d465150a310"
Copyright ( c ) 2012 Willow Systems Corp http : //willow-systems.com
Copyright ( c ) 2010 Brinley Ang http : //www.unbolt.net
MIT License < http : //www.opensource.org/licenses/mit-license.php>
Simplify . js BSD
( c ) 2012 , Vladimir Agafonkin
mourner . github . com / simplify - js
base64 encoder
MIT , GPL
http : //phpjs.org/functions/base64_encode
+ original by : Tyler Akins ( http : //rumkin.com)
+ improved by : Bayron Guevara
+ improved by : Thunder . m
+ improved by : Kevin van Zonneveld ( http : //kevin.vanzonneveld.net)
+ bugfixed by : Pellentesque Malesuada
+ improved by : Kevin van Zonneveld ( http : //kevin.vanzonneveld.net)
+ improved by : Rafal Kukawski ( http : //kukawski.pl)
jSignature v2 jSignature ' s Undo Button and undo functionality plugin
jSignature v2 jSignature ' s custom "base30" format export and import plugins .
jSignature v2 SVG export plugin .
* /
( function ( ) { function q ( a ) { var b = a . css ( "color" ) , d ; a = a [ 0 ] ; for ( var g = ! 1 ; a && ! d && ! g ; ) { try { var c = $ ( a ) . css ( "background-color" ) } catch ( l ) { c = "transparent" } "transparent" !== c && "rgba(0, 0, 0, 0)" !== c && ( d = c ) ; g = a . body ; a = a . parentNode } a = /rgb[a]*\((\d+),\s*(\d+),\s*(\d+)/ ; var g = /#([AaBbCcDdEeFf\d]{2})([AaBbCcDdEeFf\d]{2})([AaBbCcDdEeFf\d]{2})/ ; c = void 0 ; if ( c = b . match ( a ) ) var n = { r : parseInt ( c [ 1 ] , 10 ) , g : parseInt ( c [ 2 ] , 10 ) , b : parseInt ( c [ 3 ] , 10 ) } ; else ( c = b . match ( g ) ) && ( n = { r : parseInt ( c [ 1 ] , 16 ) , g : parseInt ( c [ 2 ] , 16 ) , b : parseInt ( c [ 3 ] ,
16 ) } ) ; if ( d ) if ( c = void 0 , c = d . match ( a ) ) var e = { r : parseInt ( c [ 1 ] , 10 ) , g : parseInt ( c [ 2 ] , 10 ) , b : parseInt ( c [ 3 ] , 10 ) } ; else ( c = d . match ( g ) ) && ( e = { r : parseInt ( c [ 1 ] , 16 ) , g : parseInt ( c [ 2 ] , 16 ) , b : parseInt ( c [ 3 ] , 16 ) } ) ; else e = n ? 127 < Math . max . apply ( null , [ n . r , n . g , n . b ] ) ? { r : 0 , g : 0 , b : 0 } : { r : 255 , g : 255 , b : 255 } : { r : 255 , g : 255 , b : 255 } ; c = function ( a ) { return "rgb(" + [ a . r , a . g , a . b ] . join ( ", " ) + ")" } ; n && e ? ( a = Math . max . apply ( null , [ n . r , n . g , n . b ] ) , n = Math . max . apply ( null , [ e . r , e . g , e . b ] ) , n = Math . round ( n + - . 75 * ( n - a ) ) , n = { r : n , g : n , b : n } ) : n ? ( n = Math . max . apply ( null , [ n . r ,
n . g , n . b ] ) , a = 1 , 127 < n && ( a = - 1 ) , n = Math . round ( n + 96 * a ) , n = { r : n , g : n , b : n } ) : n = { r : 191 , g : 191 , b : 191 } ; return { color : b , "background-color" : e ? c ( e ) : d , "decor-color" : c ( n ) } } function k ( a , b ) { this . x = a ; this . y = b ; this . reverse = function ( ) { return new this . constructor ( - 1 * this . x , - 1 * this . y ) } ; this . _length = null ; this . getLength = function ( ) { this . _length || ( this . _length = Math . sqrt ( Math . pow ( this . x , 2 ) + Math . pow ( this . y , 2 ) ) ) ; return this . _length } ; var d = function ( a ) { return Math . round ( a / Math . abs ( a ) ) } ; this . resizeTo = function ( a ) { if ( 0 === this . x && 0 === this . y ) this . _length =
0 ; else if ( 0 === this . x ) this . _length = a , this . y = a * d ( this . y ) ; else if ( 0 === this . y ) this . _length = a , this . x = a * d ( this . x ) ; else { var b = Math . abs ( this . y / this . x ) , g = Math . sqrt ( Math . pow ( a , 2 ) / ( 1 + Math . pow ( b , 2 ) ) ) , b = b * g ; this . _length = a ; this . x = g * d ( this . x ) ; this . y = b * d ( this . y ) } return this } ; this . angleTo = function ( a ) { var b = this . getLength ( ) * a . getLength ( ) ; return 0 === b ? 0 : Math . acos ( Math . min ( Math . max ( ( this . x * a . x + this . y * a . y ) / b , - 1 ) , 1 ) ) / Math . PI } } function h ( a , b ) { this . x = a ; this . y = b ; this . getVectorToCoordinates = function ( a , b ) { return new k ( a - this . x ,
b - this . y ) } ; this . getVectorFromCoordinates = function ( a , b ) { return this . getVectorToCoordinates ( a , b ) . reverse ( ) } ; this . getVectorToPoint = function ( a ) { return new k ( a . x - this . x , a . y - this . y ) } ; this . getVectorFromPoint = function ( a ) { return this . getVectorToPoint ( a ) . reverse ( ) } } function p ( a , b , d , g , c ) { this . data = a ; this . context = b ; if ( a . length ) for ( var n = a . length , e , l , f = 0 ; f < n ; f ++ ) { e = a [ f ] ; l = e . x . length ; d . call ( b , e ) ; for ( var u = 1 ; u < l ; u ++ ) g . call ( b , e , u ) ; c . call ( b , e ) } this . changed = function ( ) { } ; this . startStrokeFn = d ; this . addToStrokeFn = g ; this . endStrokeFn =
c ; this . inStroke = ! 1 ; this . _stroke = this . _lastPoint = null ; this . startStroke = function ( a ) { if ( a && "number" == typeof a . x && "number" == typeof a . y ) { this . _stroke = { x : [ a . x ] , y : [ a . y ] } ; this . data . push ( this . _stroke ) ; this . _lastPoint = a ; this . inStroke = ! 0 ; var b = this . _stroke , d = this . startStrokeFn , c = this . context ; setTimeout ( function ( ) { d . call ( c , b ) } , 3 ) ; return a } return null } ; this . addToStroke = function ( a ) { if ( this . inStroke && "number" === typeof a . x && "number" === typeof a . y && 4 < Math . abs ( a . x - this . _lastPoint . x ) + Math . abs ( a . y - this . _lastPoint . y ) ) { var b =
this . _stroke . x . length ; this . _stroke . x . push ( a . x ) ; this . _stroke . y . push ( a . y ) ; this . _lastPoint = a ; var d = this . _stroke , c = this . addToStrokeFn , g = this . context ; setTimeout ( function ( ) { c . call ( g , d , b ) } , 3 ) ; return a } return null } ; this . endStroke = function ( ) { var a = this . inStroke ; this . inStroke = ! 1 ; this . _lastPoint = null ; if ( a ) { var b = this . _stroke , d = this . endStrokeFn , c = this . context , g = this . changed ; setTimeout ( function ( ) { d . call ( c , b ) ; g . call ( c ) } , 3 ) ; return ! 0 } return null } } function m ( a , b , d , g ) { if ( "ratio" === b || "%" === b . split ( "" ) [ b . length - 1 ] ) this . eventTokens [ d +
".parentresized" ] = g . subscribe ( d + ".parentresized" , function ( b , n , e , l ) { return function ( ) { var c = n . width ( ) ; if ( c !== e ) { for ( var l in b ) b . hasOwnProperty ( l ) && ( g . unsubscribe ( b [ l ] ) , delete b [ l ] ) ; var f = a . settings ; a . $parent . children ( ) . remove ( ) ; for ( l in a ) a . hasOwnProperty ( l ) && delete a [ l ] ; l = f . data ; var c = 1 * c / e , t = [ ] , C , D ; var h = 0 ; for ( C = l . length ; h < C ; h ++ ) { var k = l [ h ] ; var m = { x : [ ] , y : [ ] } ; var p = 0 ; for ( D = k . x . length ; p < D ; p ++ ) m . x . push ( k . x [ p ] * c ) , m . y . push ( k . y [ p ] * c ) ; t . push ( m ) } f . data = t ; n [ d ] ( f ) } } } ( this . eventTokens , this . $parent , this . $parent . width ( ) ,
1 * this . canvas . width / this . canvas . height ) ) } function x ( a , b , d ) { var g = this . $parent = $ ( a ) ; a = this . eventTokens = { } ; this . events = new v ( this ) ; var c = $ . fn . jSignature ( "globalEvents" ) , e = { width : "ratio" , height : "ratio" , sizeRatio : 4 , color : "#000" , "background-color" : "#fff" , "decor-color" : "#eee" , lineWidth : 0 , minFatFingerCompensation : - 10 , showUndoButton : ! 1 , readOnly : ! 1 , data : [ ] , signatureLine : ! 1 } ; $ . extend ( e , q ( g ) ) ; b && $ . extend ( e , b ) ; this . settings = e ; for ( var f in d ) d . hasOwnProperty ( f ) && d [ f ] . call ( this , f ) ; this . events . publish ( "jSignature.initializing" ) ;
this . $controlbarUpper = $ ( '<div style="padding:0 !important; margin:0 !important;width: 100% !important; height: 0 !important; -ms-touch-action: none; touch-action: none;margin-top:-1em !important; margin-bottom:1em !important;"></div>' ) . appendTo ( g ) ; this . isCanvasEmulator = ! 1 ; b = this . canvas = this . initializeCanvas ( e ) ; d = $ ( b ) ; this . $controlbarLower = $ ( '<div style="padding:0 !important; margin:0 !important;width: 100% !important; height: 0 !important; -ms-touch-action: none; touch-action: none;margin-top:-1.5em !important; margin-bottom:1.5em !important; position: relative;"></div>' ) . appendTo ( g ) ;
this . canvasContext = b . getContext ( "2d" ) ; d . data ( "jSignature.this" , this ) ; e . lineWidth = function ( a , b ) { return a ? a : Math . max ( Math . round ( b / 400 ) , 2 ) } ( e . lineWidth , b . width ) ; this . lineCurveThreshold = 3 * e . lineWidth ; e . cssclass && "" != $ . trim ( e . cssclass ) && d . addClass ( e . cssclass ) ; this . fatFingerCompensation = 0 ; g = function ( a ) { var b , d , c = function ( c ) { c = c . changedTouches && 0 < c . changedTouches . length ? c . changedTouches [ 0 ] : c ; return new h ( Math . round ( c . pageX + b ) , Math . round ( c . pageY + d ) + a . fatFingerCompensation ) } , g = new w ( 750 , function ( ) { a . dataEngine . endStroke ( ) } ) ;
this . drawEndHandler = function ( b ) { if ( ! a . settings . readOnly ) { try { b . preventDefault ( ) } catch ( B ) { } g . clear ( ) ; a . dataEngine . endStroke ( ) } } ; this . drawStartHandler = function ( e ) { if ( ! a . settings . readOnly ) { e . preventDefault ( ) ; var n = $ ( a . canvas ) . offset ( ) ; b = - 1 * n . left ; d = - 1 * n . top ; a . dataEngine . startStroke ( c ( e ) ) ; g . kick ( ) } } ; this . drawMoveHandler = function ( b ) { a . settings . readOnly || ( b . preventDefault ( ) , a . dataEngine . inStroke && ( a . dataEngine . addToStroke ( c ( b ) ) , g . kick ( ) ) ) } ; return this } . call ( { } , this ) ; ( function ( a , b , d ) { var c = this . canvas , g =
$ ( c ) ; this . isCanvasEmulator ? ( g . bind ( "mousemove.jSignature" , d ) , g . bind ( "mouseup.jSignature" , a ) , g . bind ( "mousedown.jSignature" , b ) ) : ( c . ontouchstart = function ( g ) { c . onmousedown = c . onmouseup = c . onmousemove = void 0 ; this . fatFingerCompensation = e . minFatFingerCompensation && - 3 * e . lineWidth > e . minFatFingerCompensation ? - 3 * e . lineWidth : e . minFatFingerCompensation ; b ( g ) ; c . ontouchend = a ; c . ontouchstart = b ; c . ontouchmove = d } , c . onmousedown = function ( g ) { c . ontouchstart = c . ontouchend = c . ontouchmove = void 0 ; b ( g ) ; c . onmousedown = b ; c . onmouseup =
a ; c . onmousemove = d } , window . navigator . msPointerEnabled && ( c . onmspointerdown = b , c . onmspointerup = a , c . onmspointermove = d ) ) } ) . call ( this , g . drawEndHandler , g . drawStartHandler , g . drawMoveHandler ) ; a [ "jSignature.windowmouseup" ] = c . subscribe ( "jSignature.windowmouseup" , g . drawEndHandler ) ; this . events . publish ( "jSignature.attachingEventHandlers" ) ; m . call ( this , this , e . width . toString ( 10 ) , "jSignature" , c ) ; this . resetCanvas ( e . data ) ; this . events . publish ( "jSignature.initialized" ) ; return this } function y ( a ) { if ( a . getContext ) return ! 1 ;
var b = a . ownerDocument . parentWindow , d = b . FlashCanvas ? a . ownerDocument . parentWindow . FlashCanvas : "undefined" === typeof FlashCanvas ? void 0 : FlashCanvas ; if ( d ) { a = d . initElement ( a ) ; d = 1 ; b && b . screen && b . screen . deviceXDPI && b . screen . logicalXDPI && ( d = 1 * b . screen . deviceXDPI / b . screen . logicalXDPI ) ; if ( 1 !== d ) try { $ ( a ) . children ( "object" ) . get ( 0 ) . resize ( Math . ceil ( a . width * d ) , Math . ceil ( a . height * d ) ) , a . getContext ( "2d" ) . scale ( d , d ) } catch ( g ) { } return ! 0 } throw Error ( "Canvas element does not support 2d context. jSignature cannot proceed." ) ;
} var w = function ( a , b ) { var d ; this . kick = function ( ) { clearTimeout ( d ) ; d = setTimeout ( b , a ) } ; this . clear = function ( ) { clearTimeout ( d ) } ; return this } , v = function ( a ) { this . topics = { } ; this . context = a ? a : this ; this . publish = function ( a , d , g , c ) { if ( this . topics [ a ] ) { var b = this . topics [ a ] , e = Array . prototype . slice . call ( arguments , 1 ) , f = [ ] , h = [ ] , u ; var k = 0 ; for ( u = b . length ; k < u ; k ++ ) { var t = b [ k ] ; var C = t [ 0 ] ; t [ 1 ] && ( t [ 0 ] = function ( ) { } , f . push ( k ) ) ; h . push ( C ) } k = 0 ; for ( u = f . length ; k < u ; k ++ ) b . splice ( f [ k ] , 1 ) ; k = 0 ; for ( u = h . length ; k < u ; k ++ ) h [ k ] . apply ( this . context ,
e ) } } ; this . subscribe = function ( a , d , g ) { this . topics [ a ] ? this . topics [ a ] . push ( [ d , g ] ) : this . topics [ a ] = [ [ d , g ] ] ; return { topic : a , callback : d } } ; this . unsubscribe = function ( a ) { if ( this . topics [ a . topic ] ) for ( var b = this . topics [ a . topic ] , g = 0 , c = b . length ; g < c ; g ++ ) b [ g ] && b [ g ] [ 0 ] === a . callback && b . splice ( g , 1 ) } } , z = function ( a , b , d , g , c ) { a . beginPath ( ) ; a . moveTo ( b , d ) ; a . lineTo ( g , c ) ; a . closePath ( ) ; a . stroke ( ) } , r = function ( a ) { var b = this . canvasContext , d = a . x [ 0 ] ; a = a . y [ 0 ] ; var g = this . settings . lineWidth , c = b . fillStyle ; b . fillStyle = b . strokeStyle ; b . fillRect ( d +
g / - 2 , a + g / - 2 , g , g ) ; b . fillStyle = c } , f = function ( a , b ) { var d = new h ( a . x [ b - 1 ] , a . y [ b - 1 ] ) , g = new h ( a . x [ b ] , a . y [ b ] ) , c = d . getVectorToPoint ( g ) ; if ( 1 < b ) { var e = new h ( a . x [ b - 2 ] , a . y [ b - 2 ] ) , f = e . getVectorToPoint ( d ) ; if ( f . getLength ( ) > this . lineCurveThreshold ) { var l = 2 < b ? ( new h ( a . x [ b - 3 ] , a . y [ b - 3 ] ) ) . getVectorToPoint ( e ) : new k ( 0 , 0 ) ; var m = . 35 * f . getLength ( ) , u = f . angleTo ( l . reverse ( ) ) , p = c . angleTo ( f . reverse ( ) ) ; l = ( new k ( l . x + f . x , l . y + f . y ) ) . resizeTo ( Math . max ( . 05 , u ) * m ) ; var t = ( new k ( f . x + c . x , f . y + c . y ) ) . reverse ( ) . resizeTo ( Math . max ( . 05 , p ) * m ) , f = this . canvasContext ,
m = e . x , p = e . y , u = d . x , C = d . y , B = e . x + l . x , e = e . y + l . y ; l = d . x + t . x ; t = d . y + t . y ; f . beginPath ( ) ; f . moveTo ( m , p ) ; f . bezierCurveTo ( B , e , l , t , u , C ) ; f . closePath ( ) ; f . stroke ( ) } } c . getLength ( ) <= this . lineCurveThreshold && z ( this . canvasContext , d . x , d . y , g . x , g . y ) } , e = function ( a ) { var b = a . x . length - 1 ; if ( 0 < b ) { var d = new h ( a . x [ b ] , a . y [ b ] ) , e = new h ( a . x [ b - 1 ] , a . y [ b - 1 ] ) , c = e . getVectorToPoint ( d ) ; if ( c . getLength ( ) > this . lineCurveThreshold ) if ( 1 < b ) { a = ( new h ( a . x [ b - 2 ] , a . y [ b - 2 ] ) ) . getVectorToPoint ( e ) ; var f = ( new k ( a . x + c . x , a . y + c . y ) ) . resizeTo ( c . getLength ( ) / 2 ) , c =
this . canvasContext ; a = e . x ; var b = e . y , D = d . x , l = d . y , m = e . x + f . x , e = e . y + f . y , f = d . x , d = d . y ; c . beginPath ( ) ; c . moveTo ( a , b ) ; c . bezierCurveTo ( m , e , f , d , D , l ) ; c . closePath ( ) ; c . stroke ( ) } else z ( this . canvasContext , e . x , e . y , d . x , d . y ) } } ; x . prototype . resetCanvas = function ( a , b ) { var d = this . canvas , g = this . settings , c = this . canvasContext , n = this . isCanvasEmulator , h = d . width , l = d . height ; b || c . clearRect ( 0 , 0 , h + 30 , l + 30 ) ; c . shadowColor = c . fillStyle = g [ "background-color" ] ; n && c . fillRect ( 0 , 0 , h + 30 , l + 30 ) ; c . lineWidth = Math . ceil ( parseInt ( g . lineWidth , 10 ) ) ; c . lineCap =
c . lineJoin = "round" ; if ( g . signatureLine ) { if ( null != g [ "decor-color" ] ) { c . strokeStyle = g [ "decor-color" ] ; c . shadowOffsetX = 0 ; c . shadowOffsetY = 0 ; var k = Math . round ( l / 5 ) ; z ( c , 1.5 * k , l - k , h - 1.5 * k , l - k ) } n || ( c . shadowColor = c . strokeStyle , c . shadowOffsetX = . 5 * c . lineWidth , c . shadowOffsetY = - . 6 * c . lineWidth , c . shadowBlur = 0 ) } c . strokeStyle = g . color ; a || ( a = [ ] ) ; c = this . dataEngine = new p ( a , this , r , f , e ) ; g . data = a ; $ ( d ) . data ( "jSignature.data" , a ) . data ( "jSignature.settings" , g ) ; c . changed = function ( a , b , d ) { return function ( ) { b . publish ( d + ".change" ) ; a . trigger ( "change" ) } } ( this . $parent ,
this . events , "jSignature" ) ; c . changed ( ) ; return ! 0 } ; x . prototype . initializeCanvas = function ( a ) { var b = document . createElement ( "canvas" ) , d = $ ( b ) ; a . width === a . height && "ratio" === a . height && ( a . width = "100%" ) ; d . css ( { margin : 0 , padding : 0 , border : "none" , height : "ratio" !== a . height && a . height ? a . height . toString ( 10 ) : 1 , width : "ratio" !== a . width && a . width ? a . width . toString ( 10 ) : 1 , "-ms-touch-action" : "none" , "touch-action" : "none" , "background-color" : a [ "background-color" ] } ) ; d . appendTo ( this . $parent ) ; "ratio" === a . height ? d . css ( "height" , Math . round ( d . width ( ) /
a . sizeRatio ) ) : "ratio" === a . width && d . css ( "width" , Math . round ( d . height ( ) * a . sizeRatio ) ) ; d . addClass ( "jSignature" ) ; b . width = d . width ( ) ; b . height = d . height ( ) ; this . isCanvasEmulator = y ( b ) ; b . onselectstart = function ( a ) { a && a . preventDefault && a . preventDefault ( ) ; a && a . stopPropagation && a . stopPropagation ( ) ; return ! 1 } ; return b } ; ( function ( a ) { function b ( a , b , d ) { var c = new Image , e = this ; c . onload = function ( ) { var a = e . getContext ( "2d" ) , b = a . shadowColor ; a . shadowColor = "transparent" ; a . drawImage ( c , 0 , 0 , c . width < e . width ? c . width : e . width , c . height <
e . height ? c . height : e . height ) ; a . shadowColor = b } ; c . src = "data:" + b + "," + a } function d ( a , b ) { this . find ( "canvas.jSignature" ) . add ( this . filter ( "canvas.jSignature" ) ) . data ( "jSignature.this" ) . resetCanvas ( a , b ) ; return this } function e ( a , b ) { if ( void 0 === b && "string" === typeof a && "data:" === a . substr ( 0 , 5 ) && ( b = a . slice ( 5 ) . split ( "," ) [ 0 ] , a = a . slice ( 6 + b . length ) , b === a ) ) return ; var c = this . find ( "canvas.jSignature" ) . add ( this . filter ( "canvas.jSignature" ) ) ; if ( l . hasOwnProperty ( b ) ) 0 !== c . length && l [ b ] . call ( c [ 0 ] , a , b , function ( a ) { return function ( ) { return a . resetCanvas . apply ( a ,
arguments ) } } ( c . data ( "jSignature.this" ) ) ) ; else throw Error ( "jSignature is unable to find import plugin with for format '" + String ( b ) + "'" ) ; return this } var c = new v ; ( function ( a , b , c , d ) { var e , g = function ( ) { a . publish ( b + ".parentresized" ) } ; c ( d ) . bind ( "resize." + b , function ( ) { e && clearTimeout ( e ) ; e = setTimeout ( g , 500 ) } ) . bind ( "mouseup." + b , function ( c ) { a . publish ( b + ".windowmouseup" ) } ) } ) ( c , "jSignature" , $ , a ) ; var f = { } , h = { "default" : function ( a ) { return this . toDataURL ( ) } , "native" : function ( a ) { return a } , image : function ( a ) { a = this . toDataURL ( ) ;
if ( "string" === typeof a && 4 < a . length && "data:" === a . slice ( 0 , 5 ) && - 1 !== a . indexOf ( "," ) ) { var b = a . indexOf ( "," ) ; return [ a . slice ( 5 , b ) , a . substr ( b + 1 ) ] } return [ ] } } , l = { "native" : function ( a , b , c ) { c ( a ) } , image : b , "image/png;base64" : b , "image/jpeg;base64" : b , "image/jpg;base64" : b } , k = function ( a ) { var b = ! 1 ; for ( a = a . parentNode ; a && ! b ; ) b = a . body , a = a . parentNode ; return ! b } , m = { "export" : h , "import" : l , instance : f } , p = { init : function ( a ) { return this . each ( function ( ) { k ( this ) || new x ( this , a , f ) } ) } , destroy : function ( ) { return this . each ( function ( ) { if ( ! k ( this ) ) { var a =
$ ( this ) . find ( "canvas" ) . data ( "jSignature.this" ) ; if ( a ) { a . $controlbarLower . remove ( ) ; a . $controlbarUpper . remove ( ) ; $ ( a . canvas ) . remove ( ) ; for ( var b in a . eventTokens ) a . eventTokens . hasOwnProperty ( b ) && c . unsubscribe ( a . eventTokens [ b ] ) } } } ) } , getSettings : function ( ) { return this . find ( "canvas.jSignature" ) . add ( this . filter ( "canvas.jSignature" ) ) . data ( "jSignature.this" ) . settings } , isModified : function ( ) { return null !== this . find ( "canvas.jSignature" ) . add ( this . filter ( "canvas.jSignature" ) ) . data ( "jSignature.this" ) . dataEngine . _stroke } ,
updateSetting : function ( a , b , c ) { var d = this . find ( "canvas.jSignature" ) . add ( this . filter ( "canvas.jSignature" ) ) . data ( "jSignature.this" ) ; d . settings [ a ] = b ; d . resetCanvas ( c ? null : d . settings . data , ! 0 ) ; return d . settings [ a ] } , clear : d , reset : d , addPlugin : function ( a , b , c ) { m . hasOwnProperty ( a ) && ( m [ a ] [ b ] = c ) ; return this } , listPlugins : function ( a ) { var b = [ ] ; if ( m . hasOwnProperty ( a ) ) { a = m [ a ] ; for ( var c in a ) a . hasOwnProperty ( c ) && b . push ( c ) } return b } , getData : function ( a ) { var b = this . find ( "canvas.jSignature" ) . add ( this . filter ( "canvas.jSignature" ) ) ;
void 0 === a && ( a = "default" ) ; if ( 0 !== b . length && h . hasOwnProperty ( a ) ) return h [ a ] . call ( b . get ( 0 ) , b . data ( "jSignature.data" ) , b . data ( "jSignature.settings" ) ) } , importData : e , setData : e , globalEvents : function ( ) { return c } , disable : function ( ) { this . find ( "input" ) . attr ( "disabled" , 1 ) ; this . find ( "canvas.jSignature" ) . addClass ( "disabled" ) . data ( "jSignature.this" ) . settings . readOnly = ! 0 } , enable : function ( ) { this . find ( "input" ) . removeAttr ( "disabled" ) ; this . find ( "canvas.jSignature" ) . removeClass ( "disabled" ) . data ( "jSignature.this" ) . settings . readOnly =
! 1 } , events : function ( ) { return this . find ( "canvas.jSignature" ) . add ( this . filter ( "canvas.jSignature" ) ) . data ( "jSignature.this" ) . events } } ; $ . fn . jSignature = function ( a ) { if ( a && "object" !== typeof a ) { if ( "string" === typeof a && p [ a ] ) return p [ a ] . apply ( this , Array . prototype . slice . call ( arguments , 1 ) ) ; $ . error ( "Method " + String ( a ) + " does not exist on jQuery.jSignature" ) } else return p . init . apply ( this , arguments ) } } ) ( window ) } ) ( ) ;
( function ( ) { function q ( k , h , p ) { k = k . call ( this ) ; ( function ( h , k , p ) { h . events . subscribe ( p + ".change" , function ( ) { h . dataEngine . data . length ? k . show ( ) : k . hide ( ) } ) } ) ( this , k , h ) ; ( function ( h , k , p ) { var m = p + ".undo" ; k . bind ( "click" , function ( ) { h . events . publish ( m ) } ) ; h . events . subscribe ( m , function ( ) { var k = h . dataEngine . data ; k . length && ( k . pop ( ) , h . resetCanvas ( k ) ) } ) } ) ( this , k , this . events . topics . hasOwnProperty ( h + ".undo" ) ? p : h ) } $ . fn . jSignature ( "addPlugin" , "instance" , "UndoButton" , function ( k ) { this . events . subscribe ( "jSignature.attachingEventHandlers" ,
function ( ) { if ( this . settings [ k ] ) { var h = this . settings [ k ] ; "function" !== typeof h && ( h = function ( ) { var h = $ ( '<input type="button" value="Undo last stroke" style="position:absolute;display:none;margin:0 !important;top:auto" />' ) . appendTo ( this . $controlbarLower ) , k = h . width ( ) ; h . css ( "left" , Math . round ( ( this . canvas . width - k ) / 2 ) ) ; k !== h . width ( ) && h . width ( k ) ; return h } ) ; q . call ( this , h , "jSignature" , k ) } } ) } ) } ) ( ) ;
( function ( ) { for ( var q = { } , k = { } , h = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWX" . split ( "" ) , p = h . length / 2 , m = p - 1 ; - 1 < m ; m -- ) q [ h [ m ] ] = h [ m + p ] , k [ h [ m + p ] ] = h [ m ] ; var x = function ( e ) { e = e . split ( "" ) ; for ( var a = e . length , b = 1 ; b < a ; b ++ ) e [ b ] = q [ e [ b ] ] ; return e . join ( "" ) } , y = function ( e ) { for ( var a = [ ] , b = 0 , d = 1 , g = e . length , c , f , h = 0 ; h < g ; h ++ ) c = Math . round ( e [ h ] ) , f = c - b , b = c , 0 > f && 0 < d ? ( d = - 1 , a . push ( "Z" ) ) : 0 < f && 0 > d && ( d = 1 , a . push ( "Y" ) ) , c = Math . abs ( f ) , c >= p ? a . push ( x ( c . toString ( p ) ) ) : a . push ( c . toString ( p ) ) ; return a . join ( "" ) } , w = function ( e ) { var a =
[ ] ; e = e . split ( "" ) ; for ( var b = e . length , d , g = 1 , c = [ ] , f = 0 , h = 0 ; h < b ; h ++ ) d = e [ h ] , d in q || "Z" === d || "Y" === d ? ( 0 !== c . length && ( c = parseInt ( c . join ( "" ) , p ) * g + f , a . push ( c ) , f = c ) , "Z" === d ? ( g = - 1 , c = [ ] ) : "Y" === d ? ( g = 1 , c = [ ] ) : c = [ d ] ) : c . push ( k [ d ] ) ; a . push ( parseInt ( c . join ( "" ) , p ) * g + f ) ; return a } , v = function ( e ) { for ( var a = [ ] , b = e . length , d , g = 0 ; g < b ; g ++ ) d = e [ g ] , a . push ( y ( d . x ) ) , a . push ( y ( d . y ) ) ; return a . join ( "_" ) } , z = function ( e ) { var a = [ ] ; e = e . split ( "_" ) ; for ( var b = e . length / 2 , d = 0 ; d < b ; d ++ ) a . push ( { x : w ( e [ 2 * d ] ) , y : w ( e [ 2 * d + 1 ] ) } ) ; return a } , r = function ( e ) { return [ "image/jsignature;base30" ,
v ( e ) ] } , f = function ( e , a , b ) { "string" === typeof e && ( "image/jsignature;base30" === e . substring ( 0 , 23 ) . toLowerCase ( ) && ( e = e . substring ( 24 ) ) , b ( z ( e ) ) ) } ; if ( null == this . jQuery ) throw Error ( "We need jQuery for some of the functionality. jQuery is not detected. Failing to initialize..." ) ; ( function ( e ) { e = e . fn . jSignature ; e ( "addPlugin" , "export" , "base30" , r ) ; e ( "addPlugin" , "export" , "image/jsignature;base30" , r ) ; e ( "addPlugin" , "import" , "base30" , f ) ; e ( "addPlugin" , "import" , "image/jsignature;base30" , f ) } ) ( this . jQuery ) ; this . jSignatureDebug &&
( this . jSignatureDebug . base30 = { remapTailChars : x , compressstrokeleg : y , uncompressstrokeleg : w , compressstrokes : v , uncompressstrokes : z , charmap : q } ) } ) . call ( "undefined" !== typeof window ? window : this ) ;
( function ( ) { function q ( f , e ) { this . x = f ; this . y = e ; this . reverse = function ( ) { return new this . constructor ( - 1 * this . x , - 1 * this . y ) } ; this . _length = null ; this . getLength = function ( ) { this . _length || ( this . _length = Math . sqrt ( Math . pow ( this . x , 2 ) + Math . pow ( this . y , 2 ) ) ) ; return this . _length } ; var a = function ( a ) { return Math . round ( a / Math . abs ( a ) ) } ; this . resizeTo = function ( b ) { if ( 0 === this . x && 0 === this . y ) this . _length = 0 ; else if ( 0 === this . x ) this . _length = b , this . y = b * a ( this . y ) ; else if ( 0 === this . y ) this . _length = b , this . x = b * a ( this . x ) ; else { var d = Math . abs ( this . y /
this . x ) , e = Math . sqrt ( Math . pow ( b , 2 ) / ( 1 + Math . pow ( d , 2 ) ) ) , d = d * e ; this . _length = b ; this . x = e * a ( this . x ) ; this . y = d * a ( this . y ) } return this } ; this . angleTo = function ( a ) { var b = this . getLength ( ) * a . getLength ( ) ; return 0 === b ? 0 : Math . acos ( Math . min ( Math . max ( ( this . x * a . x + this . y * a . y ) / b , - 1 ) , 1 ) ) / Math . PI } } function k ( f , e ) { this . x = f ; this . y = e ; this . getVectorToCoordinates = function ( a , b ) { return new q ( a - this . x , b - this . y ) } ; this . getVectorFromCoordinates = function ( a , b ) { return this . getVectorToCoordinates ( a , b ) . reverse ( ) } ; this . getVectorToPoint = function ( a ) { return new q ( a . x -
this . x , a . y - this . y ) } ; this . getVectorFromPoint = function ( a ) { return this . getVectorToPoint ( a ) . reverse ( ) } } function h ( f , e ) { var a = Math . pow ( 10 , e ) ; return Math . round ( f * a ) / a } function p ( f , e , a ) { e += 1 ; var b = new k ( f . x [ e - 1 ] , f . y [ e - 1 ] ) , d = new k ( f . x [ e ] , f . y [ e ] ) , d = b . getVectorToPoint ( d ) , g = new k ( f . x [ e - 2 ] , f . y [ e - 2 ] ) , b = g . getVectorToPoint ( b ) ; return b . getLength ( ) > a ? ( a = 2 < e ? ( new k ( f . x [ e - 3 ] , f . y [ e - 3 ] ) ) . getVectorToPoint ( g ) : new q ( 0 , 0 ) , f = . 35 * b . getLength ( ) , g = b . angleTo ( a . reverse ( ) ) , e = d . angleTo ( b . reverse ( ) ) , a = ( new q ( a . x + b . x , a . y + b . y ) ) . resizeTo ( Math . max ( . 05 ,
g ) * f ) , d = ( new q ( b . x + d . x , b . y + d . y ) ) . reverse ( ) . resizeTo ( Math . max ( . 05 , e ) * f ) , d = new q ( b . x + d . x , b . y + d . y ) , [ "c" , h ( a . x , 2 ) , h ( a . y , 2 ) , h ( d . x , 2 ) , h ( d . y , 2 ) , h ( b . x , 2 ) , h ( b . y , 2 ) ] ) : [ "l" , h ( b . x , 2 ) , h ( b . y , 2 ) ] } function m ( f , e ) { var a = f . x . length - 1 , b = new k ( f . x [ a ] , f . y [ a ] ) , d = new k ( f . x [ a - 1 ] , f . y [ a - 1 ] ) , b = d . getVectorToPoint ( b ) ; if ( 1 < a && b . getLength ( ) > e ) { var a = ( new k ( f . x [ a - 2 ] , f . y [ a - 2 ] ) ) . getVectorToPoint ( d ) , d = b . angleTo ( a . reverse ( ) ) , g = . 35 * b . getLength ( ) , a = ( new q ( a . x + b . x , a . y + b . y ) ) . resizeTo ( Math . max ( . 05 , d ) * g ) ; return [ "c" , h ( a . x , 2 ) , h ( a . y , 2 ) , h ( b . x ,
2 ) , h ( b . y , 2 ) , h ( b . x , 2 ) , h ( b . y , 2 ) ] } return [ "l" , h ( b . x , 2 ) , h ( b . y , 2 ) ] } function x ( f , e , a ) { e = [ "M" , h ( f . x [ 0 ] - e , 2 ) , h ( f . y [ 0 ] - a , 2 ) ] ; a = 1 ; for ( var b = f . x . length - 1 ; a < b ; a ++ ) e . push . apply ( e , p ( f , a , 1 ) ) ; 0 < b ? e . push . apply ( e , m ( f , a , 1 ) ) : 0 === b && e . push . apply ( e , [ "l" , 1 , 1 ] ) ; return e . join ( " " ) } function y ( f ) { for ( var e = [ ] , a = [ [ "fill" , void 0 , "none" ] , [ "stroke" , "color" , "#000000" ] , [ "stroke-width" , "lineWidth" , 2 ] , [ "stroke-linecap" , void 0 , "round" ] , [ "stroke-linejoin" , void 0 , "round" ] ] , b = a . length - 1 ; 0 <= b ; b -- ) { var d = a [ b ] [ 1 ] , g = a [ b ] [ 2 ] ; e . push ( a [ b ] [ 0 ] +
'="' + ( d in f && f [ d ] ? f [ d ] : g ) + '"' ) } return e . join ( " " ) } function w ( f , e ) { var a = [ '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' , '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">' ] , b , d = f . length , g , c = [ ] , h = [ ] , k = g = b = 0 , l = 0 , p = [ ] ; if ( 0 !== d ) { for ( b = 0 ; b < d ; b ++ ) { g = f [ b ] ; for ( var m = [ ] , q = { x : [ ] , y : [ ] } , l = 0 , k = g . x . length ; l < k ; l ++ ) m . push ( { x : g . x [ l ] , y : g . y [ l ] } ) ; m = simplify ( m , . 7 , ! 0 ) ; l = 0 ; for ( k = m . length ; l < k ; l ++ ) q . x . push ( m [ l ] . x ) , q . y . push ( m [ l ] . y ) ; g = q ; p . push ( g ) ; c = c . concat ( g . x ) ; h =
h . concat ( g . y ) } d = Math . min . apply ( null , c ) - 1 ; b = Math . max . apply ( null , c ) + 1 ; c = Math . min . apply ( null , h ) - 1 ; h = Math . max . apply ( null , h ) + 1 ; k = 0 > d ? 0 : d ; l = 0 > c ? 0 : c ; b -= d ; g = h - c } a . push ( '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="' + b . toString ( ) + '" height="' + g . toString ( ) + '">' ) ; b = 0 ; for ( d = p . length ; b < d ; b ++ ) g = p [ b ] , a . push ( "<path " + y ( e ) + ' d="' + x ( g , k , l ) + '"/>' ) ; a . push ( "</svg>" ) ; return a . join ( "" ) } function v ( f , e ) { return [ "image/svg+xml" , w ( f , e ) ] } function z ( f , e ) { return [ "image/svg+xml;base64" , r ( w ( f , e ) ) ] } var r ; ( function ( f ,
e ) { "use strict" ; f . simplify = function ( a , b , d ) { b = b !== e ? b * b : 1 ; if ( ! d ) { var g = a . length , c = a [ 0 ] , f = [ c ] ; for ( d = 1 ; d < g ; d ++ ) { var h = a [ d ] ; var k = h . x - c . x , m = h . y - c . y ; k * k + m * m > b && ( f . push ( h ) , c = h ) } a = ( c !== h && f . push ( h ) , f ) } h = a ; d = h . length ; var g = new ( typeof Uint8Array != e + "" ? Uint8Array : Array ) ( d ) , c = 0 , f = d - 1 , p , q = [ ] , t = [ ] , z = [ ] ; for ( g [ c ] = g [ f ] = 1 ; f ; ) { m = 0 ; for ( k = c + 1 ; k < f ; k ++ ) { var B = h [ k ] ; var A = h [ c ] , x = h [ f ] , v = A . x , w = A . y , A = x . x - v , r = x . y - w ; if ( 0 !== A || 0 !== r ) { var y = ( ( B . x - v ) * A + ( B . y - w ) * r ) / ( A * A + r * r ) ; 1 < y ? ( v = x . x , w = x . y ) : 0 < y && ( v += A * y , w += r * y ) } B = ( A = B . x - v , r = B . y -
w , A * A + r * r ) ; B > m && ( p = k , m = B ) } m > b && ( g [ p ] = 1 , q . push ( c ) , t . push ( p ) , q . push ( p ) , t . push ( f ) ) ; c = q . pop ( ) ; f = t . pop ( ) } for ( k = 0 ; k < d ; k ++ ) g [ k ] && z . push ( h [ k ] ) ; return a = z , a } } ) ( window ) ; "function" !== typeof r && ( r = function ( f ) { var e = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=" . split ( "" ) , a = 0 , b = 0 , d = [ ] ; do { var g = f . charCodeAt ( a ++ ) ; var c = f . charCodeAt ( a ++ ) ; var h = f . charCodeAt ( a ++ ) ; var k = g << 16 | c << 8 | h ; g = k >> 18 & 63 ; c = k >> 12 & 63 ; h = k >> 6 & 63 ; k &= 63 ; d [ b ++ ] = e [ g ] + e [ c ] + e [ h ] + e [ k ] } while ( a < f . length ) ; e = d . join ( "" ) ; f = f . length % 3 ; return ( f ?
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e . slice ( 0 , f - 3 ) : e ) + "===" . slice ( f || 3 ) } ) ; if ( "undefined" === typeof $ ) throw Error ( "We need jQuery for some of the functionality. jQuery is not detected. Failing to initialize..." ) ; ( function ( f ) { f = f . fn . jSignature ; f ( "addPlugin" , "export" , "svg" , v ) ; f ( "addPlugin" , "export" , "image/svg+xml" , v ) ; f ( "addPlugin" , "export" , "svgbase64" , z ) ; f ( "addPlugin" , "export" , "image/svg+xml;base64" , z ) } ) ( $ ) } ) ( ) ;
