git.roojs.org Git - roojs1/blob - Roo/dialog/UploadCropbox.js

   1
   2 /*
   3 * Licence: LGPL
   4 */
   5
   6 /**
   7  * @class Roo.dialog.UploadCropbox
   8  * @extends Roo.BoxComponent
   9  * Dialog UploadCropbox class
  10  * @cfg {String} emptyText show when image has been loaded
  11  * @cfg {String} rotateNotify show when image too small to rotate
  12  * @cfg {Number} errorTimeout default 3000
  13  * @cfg {Number} minWidth default 300
  14  * @cfg {Number} minHeight default 300
  15  * @cfg {Number} outputMaxWidth default 1200
  16  * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
  17  * @cfg {Boolean} isDocument (true|false) default false
  18  * @cfg {String} url action url
  19  * @cfg {String} paramName default 'imageUpload'
  20  * @cfg {String} method default POST
  21  * @cfg {Boolean} loadMask (true|false) default true
  22  * @cfg {Boolean} loadingText default 'Loading...'
  23  *
  24  * @constructor
  25  * Create a new UploadCropbox
  26  * @param {Object} config The config object
  27  */
  28
  29  Roo.dialog.UploadCropbox = function(config){
  30     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  31
  32     this.addEvents({
  33         /**
  34          * @event beforeselectfile
  35          * Fire before select file
  36          * @param {Roo.dialog.UploadCropbox} this
  37          */
  38         "beforeselectfile" : true,
  39         /**
  40          * @event initial
  41          * Fire after initEvent
  42          * @param {Roo.dialog.UploadCropbox} this
  43          */
  44         "initial" : true,
  45         /**
  46          * @event crop
  47          * Fire after initEvent
  48          * @param {Roo.dialog.UploadCropbox} this
  49          * @param {String} data
  50          */
  51         "crop" : true,
  52         /**
  53          * @event prepare
  54          * Fire when preparing the file data
  55          * @param {Roo.dialog.UploadCropbox} this
  56          * @param {Object} file
  57          */
  58         "prepare" : true,
  59         /**
  60          * @event exception
  61          * Fire when get exception
  62          * @param {Roo.dialog.UploadCropbox} this
  63          * @param {XMLHttpRequest} xhr
  64          */
  65         "exception" : true,
  66         /**
  67          * @event beforeloadcanvas
  68          * Fire before load the canvas
  69          * @param {Roo.dialog.UploadCropbox} this
  70          * @param {String} src
  71          */
  72         "beforeloadcanvas" : true,
  73         /**
  74          * @event trash
  75          * Fire when trash image
  76          * @param {Roo.dialog.UploadCropbox} this
  77          */
  78         "trash" : true,
  79         /**
  80          * @event download
  81          * Fire when download the image
  82          * @param {Roo.dialog.UploadCropbox} this
  83          */
  84         "download" : true,
  85         /**
  86          * @event footerbuttonclick
  87          * Fire when footerbuttonclick
  88          * @param {Roo.dialog.UploadCropbox} this
  89          * @param {String} type
  90          */
  91         "footerbuttonclick" : true,
  92         /**
  93          * @event resize
  94          * Fire when resize
  95          * @param {Roo.dialog.UploadCropbox} this
  96          */
  97         "resize" : true,
  98         /**
  99          * @event rotate
 100          * Fire when rotate the image
 101          * @param {Roo.dialog.UploadCropbox} this
 102          * @param {String} pos
 103          */
 104         "rotate" : true,
 105         /**
 106          * @event inspect
 107          * Fire when inspect the file
 108          * @param {Roo.dialog.UploadCropbox} this
 109          * @param {Object} file
 110          */
 111         "inspect" : true,
 112         /**
 113          * @event upload
 114          * Fire when xhr upload the file
 115          * @param {Roo.dialog.UploadCropbox} this
 116          * @param {Object} data
 117          */
 118         "upload" : true,
 119         /**
 120          * @event arrange
 121          * Fire when arrange the file data
 122          * @param {Roo.dialog.UploadCropbox} this
 123          * @param {Object} formData
 124          */
 125         "arrange" : true,
 126         /**
 127          * @event loadcanvas
 128          * Fire after load the canvas
 129          * @param {Roo.dialog.UploadCropbox}
 130          * @param {Object} imgEl
 131          */
 132         "loadcanvas" : true
 133     });
 134
 135     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 136 };
 137
 138 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 139
 140     emptyText : 'Click to upload image',
 141     rotateNotify : 'Image is too small to rotate',
 142     errorTimeout : 3000,
 143     scale : 0,
 144     baseScale : 1,
 145     rotate : 0,
 146     dragable : false,
 147     pinching : false,
 148     mouseX : 0,
 149     mouseY : 0,
 150     cropData : false,
 151     minWidth : 300,
 152     minHeight : 300,
 153     outputMaxWidth : 1200,
 154     file : false,
 155     exif : {},
 156     baseRotate : 1,
 157     cropType : 'image/jpeg',
 158     buttons : false,
 159     canvasLoaded : false,
 160     isDocument : false,
 161     method : 'POST',
 162     paramName : 'imageUpload',
 163     loadMask : true,
 164     loadingText : 'Loading...',
 165     maskEl : false,
 166
 167     getAutoCreate : function()
 168     {
 169         var cfg = {
 170             tag : 'div',
 171             cls : 'roo-upload-cropbox',
 172             cn : [
 173                 {
 174                     tag : 'input',
 175                     cls : 'roo-upload-cropbox-selector',
 176                     type : 'file'
 177                 },
 178                 {
 179                     tag : 'div',
 180                     cls : 'roo-upload-cropbox-body',
 181                     style : 'cursor:pointer',
 182                     cn : [
 183                         {
 184                             tag : 'div',
 185                             cls : 'roo-upload-cropbox-preview'
 186                         },
 187                         {
 188                             tag : 'div',
 189                             cls : 'roo-upload-cropbox-thumb'
 190                         },
 191                         {
 192                             tag : 'div',
 193                             cls : 'roo-upload-cropbox-empty-notify',
 194                             html : this.emptyText
 195                         },
 196                         {
 197                             tag : 'div',
 198                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 199                             html : this.rotateNotify
 200                         }
 201                     ]
 202                 },
 203                 {
 204                     tag : 'div',
 205                     cls : 'roo-upload-cropbox-footer',
 206                     cn : {
 207                         tag : 'div',
 208                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 209                         cn : []
 210                     }
 211                 }
 212             ]
 213         };
 214
 215         return cfg;
 216     },
 217
 218     onRender : function(ct, position)
 219     {
 220         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 221
 222         if(this.el){
 223             if (this.el.attr('xtype')) {
 224                 this.el.attr('xtypex', this.el.attr('xtype'));
 225                 this.el.dom.removeAttribute('xtype');
 226
 227                 this.initEvents();
 228             }
 229         }
 230         else {
 231             var cfg = Roo.apply({},  this.getAutoCreate());
 232
 233             cfg.id = this.id || Roo.id();
 234
 235             if (this.cls) {
 236                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 237             }
 238
 239             if (this.style) { // fixme needs to support more complex style data.
 240                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 241             }
 242
 243             this.el = ct.createChild(cfg, position);
 244
 245             this.initEvents();
 246         }
 247
 248         if (this.buttons.length) {
 249
 250             Roo.each(this.buttons, function(bb) {
 251
 252                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 253
 254                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 255
 256             }, this);
 257         }
 258
 259         if(this.loadMask){
 260             this.maskEl = this.el;
 261         }
 262     },
 263
 264     initEvents : function()
 265     {
 266         this.urlAPI = (window.createObjectURL && window) ||
 267                                 (window.URL && URL.revokeObjectURL && URL) ||
 268                                 (window.webkitURL && webkitURL);
 269
 270         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 271         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 272
 273         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 274         this.selectorEl.hide();
 275
 276         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 277         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 278
 279         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 280         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 281         this.thumbEl.hide();
 282
 283         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 284         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 285
 286         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 287         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 288         this.errorEl.hide();
 289
 290         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 291         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 292         this.footerEl.hide();
 293
 294         this.setThumbBoxSize();
 295
 296         this.bind();
 297
 298         this.resize();
 299
 300         this.fireEvent('initial', this);
 301     },
 302
 303     bind : function()
 304     {
 305         var _this = this;
 306
 307         window.addEventListener("resize", function() { _this.resize(); } );
 308
 309         this.bodyEl.on('click', this.beforeSelectFile, this);
 310
 311         if(Roo.isTouch){
 312             this.bodyEl.on('touchstart', this.onTouchStart, this);
 313             this.bodyEl.on('touchmove', this.onTouchMove, this);
 314             this.bodyEl.on('touchend', this.onTouchEnd, this);
 315         }
 316
 317         if(!Roo.isTouch){
 318             this.bodyEl.on('mousedown', this.onMouseDown, this);
 319             this.bodyEl.on('mousemove', this.onMouseMove, this);
 320             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 321             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 322             Roo.get(document).on('mouseup', this.onMouseUp, this);
 323         }
 324
 325         this.selectorEl.on('change', this.onFileSelected, this);
 326     },
 327
 328     reset : function()
 329     {
 330         this.scale = 0;
 331         this.baseScale = 1;
 332         this.rotate = 0;
 333         this.baseRotate = 1;
 334         this.dragable = false;
 335         this.pinching = false;
 336         this.mouseX = 0;
 337         this.mouseY = 0;
 338         this.cropData = false;
 339         this.notifyEl.dom.innerHTML = this.emptyText;
 340
 341         // this.selectorEl.dom.value = '';
 342
 343     },
 344
 345     resize : function()
 346     {
 347         if(this.fireEvent('resize', this) != false){
 348             this.setThumbBoxPosition();
 349             this.setCanvasPosition();
 350         }
 351     },
 352
 353     onFooterButtonClick : function(e, el, o, type)
 354     {
 355         switch (type) {
 356             case 'rotate-left' :
 357                 this.onRotateLeft(e);
 358                 break;
 359             case 'rotate-right' :
 360                 this.onRotateRight(e);
 361                 break;
 362             case 'picture' :
 363                 this.beforeSelectFile(e);
 364                 break;
 365             case 'trash' :
 366                 this.trash(e);
 367                 break;
 368             case 'crop' :
 369                 this.crop(e);
 370                 break;
 371             case 'download' :
 372                 this.download(e);
 373                 break;
 374             default :
 375                 break;
 376         }
 377
 378         this.fireEvent('footerbuttonclick', this, type);
 379     },
 380
 381     beforeSelectFile : function(e)
 382     {
 383         e.preventDefault();
 384
 385         if(this.fireEvent('beforeselectfile', this) != false){
 386             this.selectorEl.dom.click();
 387         }
 388     },
 389
 390     onFileSelected : function(e)
 391     {
 392         e.preventDefault();
 393
 394         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 395             return;
 396         }
 397
 398         var file = this.selectorEl.dom.files[0];
 399
 400         if(this.fireEvent('inspect', this, file) != false){
 401             this.prepare(file);
 402         }
 403
 404     },
 405
 406     trash : function(e)
 407     {
 408         this.fireEvent('trash', this);
 409     },
 410
 411     download : function(e)
 412     {
 413         this.fireEvent('download', this);
 414     },
 415
 416     loadCanvas : function(src)
 417     {
 418         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 419
 420             this.reset();
 421
 422             this.imageEl = document.createElement('img');
 423
 424             var _this = this;
 425
 426             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 427
 428             this.imageEl.src = src;
 429         }
 430     },
 431
 432     onLoadCanvas : function()
 433     {
 434         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 435         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 436
 437         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 438
 439             this.bodyEl.un('click', this.beforeSelectFile, this);
 440
 441             this.notifyEl.hide();
 442             this.thumbEl.show();
 443             this.footerEl.show();
 444
 445             this.baseRotateLevel();
 446
 447             if(this.isDocument){
 448                 this.setThumbBoxSize();
 449             }
 450
 451             this.setThumbBoxPosition();
 452
 453             this.baseScaleLevel();
 454
 455             this.draw();
 456
 457             this.resize();
 458
 459             this.canvasLoaded = true;
 460
 461         }
 462
 463         if(this.loadMask){
 464             this.maskEl.unmask();
 465         }
 466
 467     },
 468
 469     setCanvasPosition : function()
 470     {
 471         if(!this.canvasEl){
 472             return;
 473         }
 474
 475         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 476         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 477
 478         this.previewEl.setLeft(pw);
 479         this.previewEl.setTop(ph);
 480
 481     },
 482
 483     onMouseDown : function(e)
 484     {
 485         e.stopEvent();
 486
 487         this.dragable = true;
 488         this.pinching = false;
 489
 490         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 491             this.dragable = false;
 492             return;
 493         }
 494
 495         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 496         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 497
 498     },
 499
 500     onMouseMove : function(e)
 501     {
 502         e.stopEvent();
 503
 504         if(!this.canvasLoaded){
 505             return;
 506         }
 507
 508         if (!this.dragable){
 509             return;
 510         }
 511
 512         var minX = Math.ceil(this.thumbEl.getLeft(true));
 513         var minY = Math.ceil(this.thumbEl.getTop(true));
 514
 515         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 516         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 517
 518         if(minX > maxX) {
 519             var tempX = minX;
 520             minX = maxX;
 521             maxX = tempX;
 522         }
 523
 524         if(minY > maxY) {
 525             var tempY = minY;
 526             minY = maxY;
 527             maxY = tempY;
 528         }
 529
 530         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 531         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 532
 533         x = x - this.mouseX;
 534         y = y - this.mouseY;
 535
 536         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 537         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 538
 539         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 540         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 541
 542         this.previewEl.setLeft(bgX);
 543         this.previewEl.setTop(bgY);
 544
 545         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 546         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 547     },
 548
 549     onMouseUp : function(e)
 550     {
 551         e.stopEvent();
 552
 553         this.dragable = false;
 554     },
 555
 556     onMouseWheel : function(e)
 557     {
 558         e.stopEvent();
 559
 560         this.startScale = this.scale;
 561         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 562
 563         console.log('startScale: ' . this.startScale);
 564         console.log('scale: ' . this.scale);
 565         console.log('getWheelDelta: ' . e.getWheelDelta());
 566         if(!this.zoomable()){
 567             this.scale = this.startScale;
 568             return;
 569         }
 570
 571
 572         this.draw();
 573
 574         return;
 575     },
 576
 577     zoomable : function()
 578     {
 579         var minScale = this.thumbEl.getWidth() / this.minWidth;
 580
 581         if(this.minWidth < this.minHeight){
 582             minScale = this.thumbEl.getHeight() / this.minHeight;
 583         }
 584
 585         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 586         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 587
 588
 589         var maxWidth = this.imageEl.OriginWidth;
 590         var maxHeight = this.imageEl.OriginHeight;
 591
 592         if(
 593                 this.isDocument &&
 594                 (this.rotate == 0 || this.rotate == 180) &&
 595                 (
 596                     width > this.imageEl.OriginWidth ||
 597                     height > this.imageEl.OriginHeight ||
 598                     (width < this.minWidth && height < this.minHeight)
 599                 )
 600         ){
 601             return false;
 602         }
 603
 604         if(
 605                 this.isDocument &&
 606                 (this.rotate == 90 || this.rotate == 270) &&
 607                 (
 608                     width > this.imageEl.OriginWidth ||
 609                     height > this.imageEl.OriginHeight ||
 610                     (width < this.minHeight && height < this.minWidth)
 611                 )
 612         ){
 613             return false;
 614         }
 615
 616         if(
 617                 !this.isDocument &&
 618                 (this.rotate == 0 || this.rotate == 180) &&
 619                 (
 620                     (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
 621                     (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
 622                     width > maxWidth ||
 623                     height > maxHeight
 624                 )
 625         ){
 626             return false;
 627         }
 628
 629         if(
 630                 !this.isDocument &&
 631                 (this.rotate == 90 || this.rotate == 270) &&
 632                 (
 633                     width < this.minHeight ||
 634                     width > this.imageEl.OriginWidth ||
 635                     height < this.minWidth ||
 636                     height > this.imageEl.OriginHeight
 637                 )
 638         ){
 639             return false;
 640         }
 641
 642         return true;
 643
 644     },
 645
 646     onRotateLeft : function(e)
 647     {
 648         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 649
 650             var minScale = this.thumbEl.getWidth() / this.minWidth;
 651
 652             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 653             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 654
 655             this.startScale = this.scale;
 656
 657             while (this.getScaleLevel() < minScale){
 658
 659                 this.scale = this.scale + 1;
 660
 661                 if(!this.zoomable()){
 662                     break;
 663                 }
 664
 665                 if(
 666                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 667                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 668                 ){
 669                     continue;
 670                 }
 671
 672                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 673
 674                 this.draw();
 675
 676                 return;
 677             }
 678
 679             this.scale = this.startScale;
 680
 681             this.onRotateFail();
 682
 683             return false;
 684         }
 685
 686         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 687
 688         if(this.isDocument){
 689             this.setThumbBoxSize();
 690             this.setThumbBoxPosition();
 691             this.setCanvasPosition();
 692         }
 693
 694         this.draw();
 695
 696         this.fireEvent('rotate', this, 'left');
 697
 698     },
 699
 700     onRotateRight : function(e)
 701     {
 702         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 703
 704             var minScale = this.thumbEl.getWidth() / this.minWidth;
 705
 706             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 707             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 708
 709             this.startScale = this.scale;
 710
 711             while (this.getScaleLevel() < minScale){
 712
 713                 this.scale = this.scale + 1;
 714
 715                 if(!this.zoomable()){
 716                     break;
 717                 }
 718
 719                 if(
 720                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 721                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 722                 ){
 723                     continue;
 724                 }
 725
 726                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 727
 728                 this.draw();
 729
 730                 return;
 731             }
 732
 733             this.scale = this.startScale;
 734
 735             this.onRotateFail();
 736
 737             return false;
 738         }
 739
 740         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 741
 742         if(this.isDocument){
 743             this.setThumbBoxSize();
 744             this.setThumbBoxPosition();
 745             this.setCanvasPosition();
 746         }
 747
 748         this.draw();
 749
 750         this.fireEvent('rotate', this, 'right');
 751     },
 752
 753     onRotateFail : function()
 754     {
 755         this.errorEl.show(true);
 756
 757         var _this = this;
 758
 759         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 760     },
 761
 762     draw : function()
 763     {
 764         this.previewEl.dom.innerHTML = '';
 765
 766         var canvasEl = document.createElement("canvas");
 767
 768         var contextEl = canvasEl.getContext("2d");
 769
 770         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 771         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 772         var center = this.imageEl.OriginWidth / 2;
 773
 774         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 775             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 776             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 777             center = this.imageEl.OriginHeight / 2;
 778         }
 779
 780         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 781
 782         contextEl.translate(center, center);
 783         contextEl.rotate(this.rotate * Math.PI / 180);
 784
 785         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 786
 787         this.canvasEl = document.createElement("canvas");
 788
 789         this.contextEl = this.canvasEl.getContext("2d");
 790
 791         switch (this.rotate) {
 792             case 0 :
 793
 794                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 795                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 796
 797                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 798
 799                 break;
 800             case 90 :
 801
 802                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 803                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 804
 805                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 806                     this.contextEl.drawImage(canvasEl, Math.abs(this.canvasEl.width - this.canvasEl.height), 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 807                     break;
 808                 }
 809
 810                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 811
 812                 break;
 813             case 180 :
 814
 815                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 816                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 817
 818                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 819                     this.contextEl.drawImage(canvasEl, 0, Math.abs(this.canvasEl.width - this.canvasEl.height), this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 820                     break;
 821                 }
 822
 823                 this.contextEl.drawImage(canvasEl, Math.abs(this.canvasEl.width - this.canvasEl.height), 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 824
 825                 break;
 826             case 270 :
 827
 828                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 829                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 830
 831                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 832                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 833                     break;
 834                 }
 835
 836                 this.contextEl.drawImage(canvasEl, 0, Math.abs(this.canvasEl.width - this.canvasEl.height), this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 837
 838                 break;
 839             default :
 840                 break;
 841         }
 842
 843         this.previewEl.appendChild(this.canvasEl);
 844
 845         this.setCanvasPosition();
 846     },
 847
 848     crop : function()
 849     {
 850         if(!this.canvasLoaded){
 851             return;
 852         }
 853
 854         var imageCanvas = document.createElement("canvas");
 855
 856         var imageContext = imageCanvas.getContext("2d");
 857
 858         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 859         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 860
 861         var center = imageCanvas.width / 2;
 862
 863         imageContext.translate(center, center);
 864
 865         imageContext.rotate(this.rotate * Math.PI / 180);
 866
 867         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 868
 869         var canvas = document.createElement("canvas");
 870
 871         var context = canvas.getContext("2d");
 872
 873         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 874
 875         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 876
 877         switch (this.rotate) {
 878             case 0 :
 879
 880                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 881                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 882
 883                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 884                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 885
 886                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 887                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
 888
 889                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 890                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 891
 892                 if(canvas.width > this.outputMaxWidth) {
 893                     var scale = this.outputMaxWidth / canvas.width;
 894                     canvas.width = canvas.width * scale;
 895                     canvas.height = canvas.height * scale;
 896                     context.scale(scale, scale);
 897                 }
 898
 899                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 900
 901                 break;
 902             case 90 :
 903
 904                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 905                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 906
 907                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 908                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 909
 910                 var targetWidth = this.minWidth - 2 * x;
 911                 var targetHeight = this.minHeight - 2 * y;
 912
 913                 var scale = 1;
 914
 915                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 916                     scale = targetWidth / width;
 917                 }
 918
 919                 if(x > 0 && y == 0){
 920                     scale = targetHeight / height;
 921                 }
 922
 923                 if(x > 0 && y > 0){
 924                     scale = targetWidth / width;
 925
 926                     if(width < height){
 927                         scale = targetHeight / height;
 928                     }
 929                 }
 930
 931                 context.scale(scale, scale);
 932
 933                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 934                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 935
 936                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 937                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 938
 939                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 940
 941                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 942
 943                 break;
 944             case 180 :
 945
 946                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 947                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 948
 949                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 950                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 951
 952                 var targetWidth = this.minWidth - 2 * x;
 953                 var targetHeight = this.minHeight - 2 * y;
 954
 955                 var scale = 1;
 956
 957                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 958                     scale = targetWidth / width;
 959                 }
 960
 961                 if(x > 0 && y == 0){
 962                     scale = targetHeight / height;
 963                 }
 964
 965                 if(x > 0 && y > 0){
 966                     scale = targetWidth / width;
 967
 968                     if(width < height){
 969                         scale = targetHeight / height;
 970                     }
 971                 }
 972
 973                 context.scale(scale, scale);
 974
 975                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 976                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 977
 978                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 979                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 980
 981                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
 982                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 983
 984                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 985
 986                 break;
 987             case 270 :
 988
 989                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 990                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 991
 992                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 993                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 994
 995                 var targetWidth = this.minWidth - 2 * x;
 996                 var targetHeight = this.minHeight - 2 * y;
 997
 998                 var scale = 1;
 999
1000                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1001                     scale = targetWidth / width;
1002                 }
1003
1004                 if(x > 0 && y == 0){
1005                     scale = targetHeight / height;
1006                 }
1007
1008                 if(x > 0 && y > 0){
1009                     scale = targetWidth / width;
1010
1011                     if(width < height){
1012                         scale = targetHeight / height;
1013                     }
1014                 }
1015
1016                 context.scale(scale, scale);
1017                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1018                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1019
1020                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1021                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1022
1023                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1024
1025                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1026
1027                 break;
1028             default :
1029                 break;
1030         }
1031
1032         this.cropData = canvas.toDataURL(this.cropType);
1033
1034         if(this.fireEvent('crop', this, this.cropData) !== false){
1035             this.process(this.file, this.cropData);
1036         }
1037
1038         return;
1039
1040     },
1041
1042     setThumbBoxSize : function()
1043     {
1044         var width, height;
1045
1046         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1047             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1048             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1049
1050             this.minWidth = width;
1051             this.minHeight = height;
1052
1053             if(this.rotate == 90 || this.rotate == 270){
1054                 this.minWidth = height;
1055                 this.minHeight = width;
1056             }
1057         }
1058
1059         height = 500;
1060         width = Math.ceil(this.minWidth * height / this.minHeight);
1061
1062         if(this.minWidth > this.minHeight){
1063             width = 500;
1064             height = Math.ceil(this.minHeight * width / this.minWidth);
1065         }
1066
1067         this.thumbEl.setStyle({
1068             width : width + 'px',
1069             height : height + 'px'
1070         });
1071
1072         return;
1073
1074     },
1075
1076     setThumbBoxPosition : function()
1077     {
1078         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1079         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1080
1081         this.thumbEl.setLeft(x);
1082         this.thumbEl.setTop(y);
1083
1084     },
1085
1086     baseRotateLevel : function()
1087     {
1088         this.baseRotate = 1;
1089
1090         if(
1091                 typeof(this.exif) != 'undefined' &&
1092                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1093                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1094         ){
1095             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1096         }
1097
1098         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1099
1100     },
1101
1102     baseScaleLevel : function()
1103     {
1104         var width, height;
1105
1106         if(this.isDocument){
1107
1108             if(this.baseRotate == 6 || this.baseRotate == 8){
1109
1110                 height = this.thumbEl.getHeight();
1111                 this.baseScale = height / this.imageEl.OriginWidth;
1112
1113                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1114                     width = this.thumbEl.getWidth();
1115                     this.baseScale = width / this.imageEl.OriginHeight;
1116                 }
1117
1118                 return;
1119             }
1120
1121             height = this.thumbEl.getHeight();
1122             this.baseScale = height / this.imageEl.OriginHeight;
1123
1124             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1125                 width = this.thumbEl.getWidth();
1126                 this.baseScale = width / this.imageEl.OriginWidth;
1127             }
1128
1129             return;
1130         }
1131
1132         if(this.baseRotate == 6 || this.baseRotate == 8){
1133
1134             width = this.thumbEl.getHeight();
1135             this.baseScale = width / this.imageEl.OriginHeight;
1136
1137             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1138                 height = this.thumbEl.getWidth();
1139                 this.baseScale = height / this.imageEl.OriginHeight;
1140             }
1141
1142             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1143                 height = this.thumbEl.getWidth();
1144                 this.baseScale = height / this.imageEl.OriginHeight;
1145
1146                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1147                     width = this.thumbEl.getHeight();
1148                     this.baseScale = width / this.imageEl.OriginWidth;
1149                 }
1150             }
1151
1152             return;
1153         }
1154
1155         width = this.thumbEl.getWidth();
1156         this.baseScale = width / this.imageEl.OriginWidth;
1157
1158         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1159             height = this.thumbEl.getHeight();
1160             this.baseScale = height / this.imageEl.OriginHeight;
1161         }
1162
1163         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1164
1165             height = this.thumbEl.getHeight();
1166             this.baseScale = height / this.imageEl.OriginHeight;
1167
1168             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1169                 width = this.thumbEl.getWidth();
1170                 this.baseScale = width / this.imageEl.OriginWidth;
1171             }
1172
1173         }
1174
1175         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1176             this.baseScale = width / this.minWidth;
1177         }
1178
1179         return;
1180     },
1181
1182     getScaleLevel : function()
1183     {
1184         return this.baseScale * Math.pow(1.02, this.scale);
1185     },
1186
1187     onTouchStart : function(e)
1188     {
1189         if(!this.canvasLoaded){
1190             this.beforeSelectFile(e);
1191             return;
1192         }
1193
1194         var touches = e.browserEvent.touches;
1195
1196         if(!touches){
1197             return;
1198         }
1199
1200         if(touches.length == 1){
1201             this.onMouseDown(e);
1202             return;
1203         }
1204
1205         if(touches.length != 2){
1206             return;
1207         }
1208
1209         var coords = [];
1210
1211         for(var i = 0, finger; finger = touches[i]; i++){
1212             coords.push(finger.pageX, finger.pageY);
1213         }
1214
1215         var x = Math.pow(coords[0] - coords[2], 2);
1216         var y = Math.pow(coords[1] - coords[3], 2);
1217
1218         this.startDistance = Math.sqrt(x + y);
1219
1220         this.startScale = this.scale;
1221
1222         this.pinching = true;
1223         this.dragable = false;
1224
1225     },
1226
1227     onTouchMove : function(e)
1228     {
1229         if(!this.pinching && !this.dragable){
1230             return;
1231         }
1232
1233         var touches = e.browserEvent.touches;
1234
1235         if(!touches){
1236             return;
1237         }
1238
1239         if(this.dragable){
1240             this.onMouseMove(e);
1241             return;
1242         }
1243
1244         var coords = [];
1245
1246         for(var i = 0, finger; finger = touches[i]; i++){
1247             coords.push(finger.pageX, finger.pageY);
1248         }
1249
1250         var x = Math.pow(coords[0] - coords[2], 2);
1251         var y = Math.pow(coords[1] - coords[3], 2);
1252
1253         this.endDistance = Math.sqrt(x + y);
1254
1255         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1256
1257         if(!this.zoomable()){
1258             this.scale = this.startScale;
1259             return;
1260         }
1261
1262         this.draw();
1263
1264     },
1265
1266     onTouchEnd : function(e)
1267     {
1268         this.pinching = false;
1269         this.dragable = false;
1270
1271     },
1272
1273     process : function(file, crop)
1274     {
1275         if(this.loadMask){
1276             this.maskEl.mask(this.loadingText);
1277         }
1278
1279         this.xhr = new XMLHttpRequest();
1280
1281         file.xhr = this.xhr;
1282
1283         this.xhr.open(this.method, this.url, true);
1284
1285         var headers = {
1286             "Accept": "application/json",
1287             "Cache-Control": "no-cache",
1288             "X-Requested-With": "XMLHttpRequest"
1289         };
1290
1291         for (var headerName in headers) {
1292             var headerValue = headers[headerName];
1293             if (headerValue) {
1294                 this.xhr.setRequestHeader(headerName, headerValue);
1295             }
1296         }
1297
1298         var _this = this;
1299
1300         this.xhr.onload = function()
1301         {
1302             _this.xhrOnLoad(_this.xhr);
1303         }
1304
1305         this.xhr.onerror = function()
1306         {
1307             _this.xhrOnError(_this.xhr);
1308         }
1309
1310         var formData = new FormData();
1311
1312         formData.append('returnHTML', 'NO');
1313
1314         if(crop){
1315             formData.append('crop', crop);
1316             var blobBin = atob(crop.split(',')[1]);
1317             var array = [];
1318             for(var i = 0; i < blobBin.length; i++) {
1319                 array.push(blobBin.charCodeAt(i));
1320             }
1321             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1322             formData.append(this.paramName, croppedFile, file.name);
1323         }
1324
1325         if(typeof(file.filename) != 'undefined'){
1326             formData.append('filename', file.filename);
1327         }
1328
1329         if(typeof(file.mimetype) != 'undefined'){
1330             formData.append('mimetype', file.mimetype);
1331         }
1332
1333         if(this.fireEvent('arrange', this, formData) != false){
1334             this.xhr.send(formData);
1335         };
1336     },
1337
1338     xhrOnLoad : function(xhr)
1339     {
1340         if(this.loadMask){
1341             this.maskEl.unmask();
1342         }
1343
1344         if (xhr.readyState !== 4) {
1345             this.fireEvent('exception', this, xhr);
1346             return;
1347         }
1348
1349         var response = Roo.decode(xhr.responseText);
1350
1351         if(!response.success){
1352             this.fireEvent('exception', this, xhr);
1353             return;
1354         }
1355
1356         var response = Roo.decode(xhr.responseText);
1357
1358         this.fireEvent('upload', this, response);
1359
1360     },
1361
1362     xhrOnError : function()
1363     {
1364         if(this.loadMask){
1365             this.maskEl.unmask();
1366         }
1367
1368         Roo.log('xhr on error');
1369
1370         var response = Roo.decode(xhr.responseText);
1371
1372         Roo.log(response);
1373
1374     },
1375
1376     prepare : function(file)
1377     {
1378         if(this.loadMask){
1379             this.maskEl.mask(this.loadingText);
1380         }
1381
1382         this.file = false;
1383         this.exif = {};
1384
1385         if(typeof(file) === 'string'){
1386             this.loadCanvas(file);
1387             return;
1388         }
1389
1390         if(!file || !this.urlAPI){
1391             return;
1392         }
1393
1394         this.file = file;
1395         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1396             this.cropType = file.type;
1397         }
1398
1399         var _this = this;
1400
1401         if(this.fireEvent('prepare', this, this.file) != false){
1402
1403             var reader = new FileReader();
1404
1405             reader.onload = function (e) {
1406                 if (e.target.error) {
1407                     Roo.log(e.target.error);
1408                     return;
1409                 }
1410
1411                 var buffer = e.target.result,
1412                     dataView = new DataView(buffer),
1413                     offset = 2,
1414                     maxOffset = dataView.byteLength - 4,
1415                     markerBytes,
1416                     markerLength;
1417
1418                 if (dataView.getUint16(0) === 0xffd8) {
1419                     while (offset < maxOffset) {
1420                         markerBytes = dataView.getUint16(offset);
1421
1422                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1423                             markerLength = dataView.getUint16(offset + 2) + 2;
1424                             if (offset + markerLength > dataView.byteLength) {
1425                                 Roo.log('Invalid meta data: Invalid segment size.');
1426                                 break;
1427                             }
1428
1429                             if(markerBytes == 0xffe1){
1430                                 _this.parseExifData(
1431                                     dataView,
1432                                     offset,
1433                                     markerLength
1434                                 );
1435                             }
1436
1437                             offset += markerLength;
1438
1439                             continue;
1440                         }
1441
1442                         break;
1443                     }
1444
1445                 }
1446
1447                 var url = _this.urlAPI.createObjectURL(_this.file);
1448
1449                 _this.loadCanvas(url);
1450
1451                 return;
1452             }
1453
1454             reader.readAsArrayBuffer(this.file);
1455
1456         }
1457
1458     },
1459
1460     parseExifData : function(dataView, offset, length)
1461     {
1462         var tiffOffset = offset + 10,
1463             littleEndian,
1464             dirOffset;
1465
1466         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1467             // No Exif data, might be XMP data instead
1468             return;
1469         }
1470
1471         // Check for the ASCII code for "Exif" (0x45786966):
1472         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1473             // No Exif data, might be XMP data instead
1474             return;
1475         }
1476         if (tiffOffset + 8 > dataView.byteLength) {
1477             Roo.log('Invalid Exif data: Invalid segment size.');
1478             return;
1479         }
1480         // Check for the two null bytes:
1481         if (dataView.getUint16(offset + 8) !== 0x0000) {
1482             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1483             return;
1484         }
1485         // Check the byte alignment:
1486         switch (dataView.getUint16(tiffOffset)) {
1487         case 0x4949:
1488             littleEndian = true;
1489             break;
1490         case 0x4D4D:
1491             littleEndian = false;
1492             break;
1493         default:
1494             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1495             return;
1496         }
1497         // Check for the TIFF tag marker (0x002A):
1498         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1499             Roo.log('Invalid Exif data: Missing TIFF marker.');
1500             return;
1501         }
1502         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1503         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1504
1505         this.parseExifTags(
1506             dataView,
1507             tiffOffset,
1508             tiffOffset + dirOffset,
1509             littleEndian
1510         );
1511     },
1512
1513     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1514     {
1515         var tagsNumber,
1516             dirEndOffset,
1517             i;
1518         if (dirOffset + 6 > dataView.byteLength) {
1519             Roo.log('Invalid Exif data: Invalid directory offset.');
1520             return;
1521         }
1522         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1523         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1524         if (dirEndOffset + 4 > dataView.byteLength) {
1525             Roo.log('Invalid Exif data: Invalid directory size.');
1526             return;
1527         }
1528         for (i = 0; i < tagsNumber; i += 1) {
1529             this.parseExifTag(
1530                 dataView,
1531                 tiffOffset,
1532                 dirOffset + 2 + 12 * i, // tag offset
1533                 littleEndian
1534             );
1535         }
1536         // Return the offset to the next directory:
1537         return dataView.getUint32(dirEndOffset, littleEndian);
1538     },
1539
1540     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1541     {
1542         var tag = dataView.getUint16(offset, littleEndian);
1543
1544         this.exif[tag] = this.getExifValue(
1545             dataView,
1546             tiffOffset,
1547             offset,
1548             dataView.getUint16(offset + 2, littleEndian), // tag type
1549             dataView.getUint32(offset + 4, littleEndian), // tag length
1550             littleEndian
1551         );
1552     },
1553
1554     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1555     {
1556         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1557             tagSize,
1558             dataOffset,
1559             values,
1560             i,
1561             str,
1562             c;
1563
1564         if (!tagType) {
1565             Roo.log('Invalid Exif data: Invalid tag type.');
1566             return;
1567         }
1568
1569         tagSize = tagType.size * length;
1570         // Determine if the value is contained in the dataOffset bytes,
1571         // or if the value at the dataOffset is a pointer to the actual data:
1572         dataOffset = tagSize > 4 ?
1573                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1574         if (dataOffset + tagSize > dataView.byteLength) {
1575             Roo.log('Invalid Exif data: Invalid data offset.');
1576             return;
1577         }
1578         if (length === 1) {
1579             return tagType.getValue(dataView, dataOffset, littleEndian);
1580         }
1581         values = [];
1582         for (i = 0; i < length; i += 1) {
1583             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1584         }
1585
1586         if (tagType.ascii) {
1587             str = '';
1588             // Concatenate the chars:
1589             for (i = 0; i < values.length; i += 1) {
1590                 c = values[i];
1591                 // Ignore the terminating NULL byte(s):
1592                 if (c === '\u0000') {
1593                     break;
1594                 }
1595                 str += c;
1596             }
1597             return str;
1598         }
1599         return values;
1600     }
1601
1602 });
1603
1604 Roo.apply(Roo.dialog.UploadCropbox, {
1605     tags : {
1606         'Orientation': 0x0112
1607     },
1608
1609     Orientation: {
1610             1: 0, //'top-left',
1611 //            2: 'top-right',
1612             3: 180, //'bottom-right',
1613 //            4: 'bottom-left',
1614 //            5: 'left-top',
1615             6: 90, //'right-top',
1616 //            7: 'right-bottom',
1617             8: 270 //'left-bottom'
1618     },
1619
1620     exifTagTypes : {
1621         // byte, 8-bit unsigned int:
1622         1: {
1623             getValue: function (dataView, dataOffset) {
1624                 return dataView.getUint8(dataOffset);
1625             },
1626             size: 1
1627         },
1628         // ascii, 8-bit byte:
1629         2: {
1630             getValue: function (dataView, dataOffset) {
1631                 return String.fromCharCode(dataView.getUint8(dataOffset));
1632             },
1633             size: 1,
1634             ascii: true
1635         },
1636         // short, 16 bit int:
1637         3: {
1638             getValue: function (dataView, dataOffset, littleEndian) {
1639                 return dataView.getUint16(dataOffset, littleEndian);
1640             },
1641             size: 2
1642         },
1643         // long, 32 bit int:
1644         4: {
1645             getValue: function (dataView, dataOffset, littleEndian) {
1646                 return dataView.getUint32(dataOffset, littleEndian);
1647             },
1648             size: 4
1649         },
1650         // rational = two long values, first is numerator, second is denominator:
1651         5: {
1652             getValue: function (dataView, dataOffset, littleEndian) {
1653                 return dataView.getUint32(dataOffset, littleEndian) /
1654                     dataView.getUint32(dataOffset + 4, littleEndian);
1655             },
1656             size: 8
1657         },
1658         // slong, 32 bit signed int:
1659         9: {
1660             getValue: function (dataView, dataOffset, littleEndian) {
1661                 return dataView.getInt32(dataOffset, littleEndian);
1662             },
1663             size: 4
1664         },
1665         // srational, two slongs, first is numerator, second is denominator:
1666         10: {
1667             getValue: function (dataView, dataOffset, littleEndian) {
1668                 return dataView.getInt32(dataOffset, littleEndian) /
1669                     dataView.getInt32(dataOffset + 4, littleEndian);
1670             },
1671             size: 8
1672         }
1673     },
1674
1675     footer : {
1676         STANDARD : [
1677             {
1678                 tag : 'div',
1679                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1680                 action : 'rotate-left',
1681                 cn : [
1682                     {
1683                         tag : 'button',
1684                         cls : 'btn btn-default',
1685                         html : '<i class="fa fa-undo"></i>'
1686                     }
1687                 ]
1688             },
1689             {
1690                 tag : 'div',
1691                 cls : 'btn-group roo-upload-cropbox-picture',
1692                 action : 'picture',
1693                 cn : [
1694                     {
1695                         tag : 'button',
1696                         cls : 'btn btn-default',
1697                         html : '<i class="fa fa-picture-o"></i>'
1698                     }
1699                 ]
1700             },
1701             {
1702                 tag : 'div',
1703                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1704                 action : 'rotate-right',
1705                 cn : [
1706                     {
1707                         tag : 'button',
1708                         cls : 'btn btn-default',
1709                         html : '<i class="fa fa-repeat"></i>'
1710                     }
1711                 ]
1712             }
1713         ],
1714         DOCUMENT : [
1715             {
1716                 tag : 'div',
1717                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1718                 action : 'rotate-left',
1719                 cn : [
1720                     {
1721                         tag : 'button',
1722                         cls : 'btn btn-default',
1723                         html : '<i class="fa fa-undo"></i>'
1724                     }
1725                 ]
1726             },
1727             {
1728                 tag : 'div',
1729                 cls : 'btn-group roo-upload-cropbox-download',
1730                 action : 'download',
1731                 cn : [
1732                     {
1733                         tag : 'button',
1734                         cls : 'btn btn-default',
1735                         html : '<i class="fa fa-download"></i>'
1736                     }
1737                 ]
1738             },
1739             {
1740                 tag : 'div',
1741                 cls : 'btn-group roo-upload-cropbox-crop',
1742                 action : 'crop',
1743                 cn : [
1744                     {
1745                         tag : 'button',
1746                         cls : 'btn btn-default',
1747                         html : '<i class="fa fa-crop"></i>'
1748                     }
1749                 ]
1750             },
1751             {
1752                 tag : 'div',
1753                 cls : 'btn-group roo-upload-cropbox-trash',
1754                 action : 'trash',
1755                 cn : [
1756                     {
1757                         tag : 'button',
1758                         cls : 'btn btn-default',
1759                         html : '<i class="fa fa-trash"></i>'
1760                     }
1761                 ]
1762             },
1763             {
1764                 tag : 'div',
1765                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1766                 action : 'rotate-right',
1767                 cn : [
1768                     {
1769                         tag : 'button',
1770                         cls : 'btn btn-default',
1771                         html : '<i class="fa fa-repeat"></i>'
1772                     }
1773                 ]
1774             }
1775         ],
1776         ROTATOR : [
1777             {
1778                 tag : 'div',
1779                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1780                 action : 'rotate-left',
1781                 cn : [
1782                     {
1783                         tag : 'button',
1784                         cls : 'btn btn-default',
1785                         html : '<i class="fa fa-undo"></i>'
1786                     }
1787                 ]
1788             },
1789             {
1790                 tag : 'div',
1791                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1792                 action : 'rotate-right',
1793                 cn : [
1794                     {
1795                         tag : 'button',
1796                         cls : 'btn btn-default',
1797                         html : '<i class="fa fa-repeat"></i>'
1798                     }
1799                 ]
1800             }
1801         ]
1802     }
1803 });