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