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     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  30
  31     this.addEvents({
  32         /**
  33          * @event beforeselectfile
  34          * Fire before select file
  35          * @param {Roo.dialog.UploadCropbox} this
  36          */
  37         "beforeselectfile" : true,
  38         /**
  39          * @event initial
  40          * Fire after initEvent
  41          * @param {Roo.dialog.UploadCropbox} this
  42          */
  43         "initial" : true,
  44         /**
  45          * @event crop
  46          * Fire after initEvent
  47          * @param {Roo.dialog.UploadCropbox} this
  48          * @param {String} data
  49          */
  50         "crop" : true,
  51         /**
  52          * @event prepare
  53          * Fire when preparing the file data
  54          * @param {Roo.dialog.UploadCropbox} this
  55          * @param {Object} file
  56          */
  57         "prepare" : true,
  58         /**
  59          * @event exception
  60          * Fire when get exception
  61          * @param {Roo.dialog.UploadCropbox} this
  62          * @param {XMLHttpRequest} xhr
  63          */
  64         "exception" : true,
  65         /**
  66          * @event beforeloadcanvas
  67          * Fire before load the canvas
  68          * @param {Roo.dialog.UploadCropbox} this
  69          * @param {String} src
  70          */
  71         "beforeloadcanvas" : true,
  72         /**
  73          * @event trash
  74          * Fire when trash image
  75          * @param {Roo.dialog.UploadCropbox} this
  76          */
  77         "trash" : true,
  78         /**
  79          * @event download
  80          * Fire when download the image
  81          * @param {Roo.dialog.UploadCropbox} this
  82          */
  83         "download" : true,
  84         /**
  85          * @event footerbuttonclick
  86          * Fire when footerbuttonclick
  87          * @param {Roo.dialog.UploadCropbox} this
  88          * @param {String} type
  89          */
  90         "footerbuttonclick" : true,
  91         /**
  92          * @event resize
  93          * Fire when resize
  94          * @param {Roo.dialog.UploadCropbox} this
  95          */
  96         "resize" : true,
  97         /**
  98          * @event rotate
  99          * Fire when rotate the image
 100          * @param {Roo.dialog.UploadCropbox} this
 101          * @param {String} pos
 102          */
 103         "rotate" : true,
 104         /**
 105          * @event inspect
 106          * Fire when inspect the file
 107          * @param {Roo.dialog.UploadCropbox} this
 108          * @param {Object} file
 109          */
 110         "inspect" : true,
 111         /**
 112          * @event upload
 113          * Fire when xhr upload the file
 114          * @param {Roo.dialog.UploadCropbox} this
 115          * @param {Object} data
 116          */
 117         "upload" : true,
 118         /**
 119          * @event arrange
 120          * Fire when arrange the file data
 121          * @param {Roo.dialog.UploadCropbox} this
 122          * @param {Object} formData
 123          */
 124         "arrange" : true,
 125         /**
 126          * @event loadcanvas
 127          * Fire after load the canvas
 128          * @param {Roo.dialog.UploadCropbox}
 129          * @param {Object} imgEl
 130          */
 131         "loadcanvas" : true
 132     });
 133
 134     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 135 };
 136
 137 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 138
 139     emptyText : 'Click to upload image',
 140     rotateNotify : 'Image is too small to rotate',
 141     errorTimeout : 3000,
 142     scale : 0,
 143     baseScale : 1,
 144     rotate : 0,
 145     dragable : false,
 146     pinching : false,
 147     mouseX : 0,
 148     mouseY : 0,
 149     cropData : false,
 150     minWidth : 300,
 151     minHeight : 300,
 152     file : false,
 153     exif : {},
 154     baseRotate : 1,
 155     cropType : 'image/jpeg',
 156     buttons : false,
 157     canvasLoaded : false,
 158     isDocument : false,
 159     method : 'POST',
 160     paramName : 'imageUpload',
 161     loadMask : true,
 162     loadingText : 'Loading...',
 163     maskEl : false,
 164
 165     getAutoCreate : function()
 166     {
 167         var cfg = {
 168             tag : 'div',
 169             cls : 'roo-upload-cropbox',
 170             cn : [
 171                 {
 172                     tag : 'input',
 173                     cls : 'roo-upload-cropbox-selector',
 174                     type : 'file'
 175                 },
 176                 {
 177                     tag : 'div',
 178                     cls : 'roo-upload-cropbox-body',
 179                     style : 'cursor:pointer',
 180                     cn : [
 181                         {
 182                             tag : 'div',
 183                             cls : 'roo-upload-cropbox-preview'
 184                         },
 185                         {
 186                             tag : 'div',
 187                             cls : 'roo-upload-cropbox-thumb'
 188                         },
 189                         {
 190                             tag : 'div',
 191                             cls : 'roo-upload-cropbox-empty-notify',
 192                             html : this.emptyText
 193                         },
 194                         {
 195                             tag : 'div',
 196                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 197                             html : this.rotateNotify
 198                         }
 199                     ]
 200                 },
 201                 {
 202                     tag : 'div',
 203                     cls : 'roo-upload-cropbox-footer',
 204                     cn : {
 205                         tag : 'div',
 206                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 207                         cn : []
 208                     }
 209                 }
 210             ]
 211         };
 212
 213         return cfg;
 214     },
 215
 216     onRender : function(ct, position)
 217     {
 218         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 219
 220         if(this.el){
 221             if (this.el.attr('xtype')) {
 222                 this.el.attr('xtypex', this.el.attr('xtype'));
 223                 this.el.dom.removeAttribute('xtype');
 224
 225                 this.initEvents();
 226             }
 227         }
 228         else {
 229             var cfg = Roo.apply({},  this.getAutoCreate());
 230
 231             cfg.id = this.id || Roo.id();
 232
 233             if (this.cls) {
 234                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 235             }
 236
 237             if (this.style) { // fixme needs to support more complex style data.
 238                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 239             }
 240
 241             this.el = ct.createChild(cfg, position);
 242
 243             this.initEvents();
 244         }
 245
 246         if (this.buttons.length) {
 247
 248             Roo.each(this.buttons, function(bb) {
 249
 250                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 251
 252                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 253
 254             }, this);
 255         }
 256
 257         if(this.loadMask){
 258             this.maskEl = this.el;
 259         }
 260     },
 261
 262     initEvents : function()
 263     {
 264         this.urlAPI = (window.createObjectURL && window) ||
 265                                 (window.URL && URL.revokeObjectURL && URL) ||
 266                                 (window.webkitURL && webkitURL);
 267
 268         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 269         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 270
 271         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 272         this.selectorEl.hide();
 273
 274         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 275         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 276
 277         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 278         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 279         this.thumbEl.hide();
 280
 281         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 282         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 283
 284         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 285         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 286         this.errorEl.hide();
 287
 288         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 289         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 290         this.footerEl.hide();
 291
 292         this.setThumbBoxSize();
 293
 294         this.bind();
 295
 296         this.resize();
 297
 298         this.fireEvent('initial', this);
 299     },
 300
 301     bind : function()
 302     {
 303         var _this = this;
 304
 305         window.addEventListener("resize", function() { _this.resize(); } );
 306
 307         this.bodyEl.on('click', this.beforeSelectFile, this);
 308
 309         if(Roo.isTouch){
 310             this.bodyEl.on('touchstart', this.onTouchStart, this);
 311             this.bodyEl.on('touchmove', this.onTouchMove, this);
 312             this.bodyEl.on('touchend', this.onTouchEnd, this);
 313         }
 314
 315         if(!Roo.isTouch){
 316             this.bodyEl.on('mousedown', this.onMouseDown, this);
 317             this.bodyEl.on('mousemove', this.onMouseMove, this);
 318             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 319             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 320             Roo.get(document).on('mouseup', this.onMouseUp, this);
 321         }
 322
 323         this.selectorEl.on('change', this.onFileSelected, this);
 324     },
 325
 326     reset : function()
 327     {
 328         this.scale = 0;
 329         this.baseScale = 1;
 330         this.rotate = 0;
 331         this.baseRotate = 1;
 332         this.dragable = false;
 333         this.pinching = false;
 334         this.mouseX = 0;
 335         this.mouseY = 0;
 336         this.cropData = false;
 337         this.notifyEl.dom.innerHTML = this.emptyText;
 338
 339         // this.selectorEl.dom.value = '';
 340
 341     },
 342
 343     resize : function()
 344     {
 345         if(this.fireEvent('resize', this) != false){
 346             this.setThumbBoxPosition();
 347             this.setCanvasPosition();
 348         }
 349     },
 350
 351     onFooterButtonClick : function(e, el, o, type)
 352     {
 353         switch (type) {
 354             case 'rotate-left' :
 355                 this.onRotateLeft(e);
 356                 break;
 357             case 'rotate-right' :
 358                 this.onRotateRight(e);
 359                 break;
 360             case 'picture' :
 361                 this.beforeSelectFile(e);
 362                 break;
 363             case 'trash' :
 364                 this.trash(e);
 365                 break;
 366             case 'crop' :
 367                 this.crop(e);
 368                 break;
 369             case 'download' :
 370                 this.download(e);
 371                 break;
 372             default :
 373                 break;
 374         }
 375
 376         this.fireEvent('footerbuttonclick', this, type);
 377     },
 378
 379     beforeSelectFile : function(e)
 380     {
 381         e.preventDefault();
 382
 383         if(this.fireEvent('beforeselectfile', this) != false){
 384             this.selectorEl.dom.click();
 385         }
 386     },
 387
 388     onFileSelected : function(e)
 389     {
 390         e.preventDefault();
 391
 392         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 393             return;
 394         }
 395
 396         var file = this.selectorEl.dom.files[0];
 397
 398         if(this.fireEvent('inspect', this, file) != false){
 399             this.prepare(file);
 400         }
 401
 402     },
 403
 404     trash : function(e)
 405     {
 406         this.fireEvent('trash', this);
 407     },
 408
 409     download : function(e)
 410     {
 411         this.fireEvent('download', this);
 412     },
 413
 414     loadCanvas : function(src)
 415     {
 416         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 417
 418             this.reset();
 419
 420             this.imageEl = document.createElement('img');
 421
 422             var _this = this;
 423
 424             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 425
 426             this.imageEl.src = src;
 427         }
 428     },
 429
 430     onLoadCanvas : function()
 431     {
 432         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 433         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 434
 435         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 436
 437             this.bodyEl.un('click', this.beforeSelectFile, this);
 438
 439             this.notifyEl.hide();
 440             this.thumbEl.show();
 441             this.footerEl.show();
 442
 443             this.baseRotateLevel();
 444
 445             if(this.isDocument){
 446                 this.setThumbBoxSize();
 447             }
 448
 449             this.setThumbBoxPosition();
 450
 451             this.baseScaleLevel();
 452
 453             this.draw();
 454
 455             this.resize();
 456
 457             this.canvasLoaded = true;
 458
 459         }
 460
 461         if(this.loadMask){
 462             this.maskEl.unmask();
 463         }
 464
 465     },
 466
 467     setCanvasPosition : function()
 468     {
 469         if(!this.canvasEl){
 470             return;
 471         }
 472
 473         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 474         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 475
 476         this.previewEl.setLeft(pw);
 477         this.previewEl.setTop(ph);
 478
 479     },
 480
 481     onMouseDown : function(e)
 482     {
 483         e.stopEvent();
 484
 485         this.dragable = true;
 486         this.pinching = false;
 487
 488         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 489             this.dragable = false;
 490             return;
 491         }
 492
 493         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 494         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 495
 496     },
 497
 498     onMouseMove : function(e)
 499     {
 500         e.stopEvent();
 501
 502         if(!this.canvasLoaded){
 503             return;
 504         }
 505
 506         if (!this.dragable){
 507             return;
 508         }
 509
 510         var minX = Math.ceil(this.thumbEl.getLeft(true));
 511         var minY = Math.ceil(this.thumbEl.getTop(true));
 512
 513         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 514         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 515
 516         if(minX > maxX) {
 517             var tempX = minX;
 518             minX = maxX;
 519             maxX = tempX;
 520         }
 521
 522         if(minY > maxY) {
 523             var tempY = minY;
 524             minY = maxY;
 525             maxY = tempY;
 526         }
 527
 528         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 529         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 530
 531         x = x - this.mouseX;
 532         y = y - this.mouseY;
 533
 534         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 535         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 536
 537         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 538         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 539
 540         this.previewEl.setLeft(bgX);
 541         this.previewEl.setTop(bgY);
 542
 543         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 544         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 545     },
 546
 547     onMouseUp : function(e)
 548     {
 549         e.stopEvent();
 550
 551         this.dragable = false;
 552     },
 553
 554     onMouseWheel : function(e)
 555     {
 556         e.stopEvent();
 557
 558         this.startScale = this.scale;
 559         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 560
 561         if(!this.zoomable()){
 562             this.scale = this.startScale;
 563             return;
 564         }
 565
 566
 567         this.draw();
 568
 569         return;
 570     },
 571
 572     zoomable : function()
 573     {
 574         var minScale = this.thumbEl.getWidth() / this.minWidth;
 575
 576         if(this.minWidth < this.minHeight){
 577             minScale = this.thumbEl.getHeight() / this.minHeight;
 578         }
 579
 580         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 581         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 582
 583
 584         var maxWidth = this.imageEl.OriginWidth;
 585         var maxHeight = this.imageEl.OriginHeight;
 586
 587         if(
 588                 this.isDocument &&
 589                 (this.rotate == 0 || this.rotate == 180) &&
 590                 (
 591                     width > this.imageEl.OriginWidth ||
 592                     height > this.imageEl.OriginHeight ||
 593                     (width < this.minWidth && height < this.minHeight)
 594                 )
 595         ){
 596             return false;
 597         }
 598
 599         if(
 600                 this.isDocument &&
 601                 (this.rotate == 90 || this.rotate == 270) &&
 602                 (
 603                     width > this.imageEl.OriginWidth ||
 604                     height > this.imageEl.OriginHeight ||
 605                     (width < this.minHeight && height < this.minWidth)
 606                 )
 607         ){
 608             return false;
 609         }
 610
 611         if(
 612                 !this.isDocument &&
 613                 (this.rotate == 0 || this.rotate == 180) &&
 614                 (
 615                     (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
 616                     (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
 617                     width > maxWidth ||
 618                     height > maxHeight
 619                 )
 620         ){
 621             return false;
 622         }
 623
 624         if(
 625                 !this.isDocument &&
 626                 (this.rotate == 90 || this.rotate == 270) &&
 627                 (
 628                     width < this.minHeight ||
 629                     width > this.imageEl.OriginWidth ||
 630                     height < this.minWidth ||
 631                     height > this.imageEl.OriginHeight
 632                 )
 633         ){
 634             return false;
 635         }
 636
 637         return true;
 638
 639     },
 640
 641     onRotateLeft : function(e)
 642     {
 643         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 644
 645             var minScale = this.thumbEl.getWidth() / this.minWidth;
 646
 647             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 648             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 649
 650             this.startScale = this.scale;
 651
 652             while (this.getScaleLevel() < minScale){
 653
 654                 this.scale = this.scale + 1;
 655
 656                 if(!this.zoomable()){
 657                     break;
 658                 }
 659
 660                 if(
 661                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 662                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 663                 ){
 664                     continue;
 665                 }
 666
 667                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 668
 669                 this.draw();
 670
 671                 return;
 672             }
 673
 674             this.scale = this.startScale;
 675
 676             this.onRotateFail();
 677
 678             return false;
 679         }
 680
 681         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 682
 683         if(this.isDocument){
 684             this.setThumbBoxSize();
 685             this.setThumbBoxPosition();
 686             this.setCanvasPosition();
 687         }
 688
 689         this.draw();
 690
 691         this.fireEvent('rotate', this, 'left');
 692
 693     },
 694
 695     onRotateRight : function(e)
 696     {
 697         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 698
 699             var minScale = this.thumbEl.getWidth() / this.minWidth;
 700
 701             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 702             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 703
 704             this.startScale = this.scale;
 705
 706             while (this.getScaleLevel() < minScale){
 707
 708                 this.scale = this.scale + 1;
 709
 710                 if(!this.zoomable()){
 711                     break;
 712                 }
 713
 714                 if(
 715                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 716                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 717                 ){
 718                     continue;
 719                 }
 720
 721                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 722
 723                 this.draw();
 724
 725                 return;
 726             }
 727
 728             this.scale = this.startScale;
 729
 730             this.onRotateFail();
 731
 732             return false;
 733         }
 734
 735         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 736
 737         if(this.isDocument){
 738             this.setThumbBoxSize();
 739             this.setThumbBoxPosition();
 740             this.setCanvasPosition();
 741         }
 742
 743         this.draw();
 744
 745         this.fireEvent('rotate', this, 'right');
 746     },
 747
 748     onRotateFail : function()
 749     {
 750         this.errorEl.show(true);
 751
 752         var _this = this;
 753
 754         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 755     },
 756
 757     draw : function()
 758     {
 759         this.previewEl.dom.innerHTML = '';
 760
 761         var canvasEl = document.createElement("canvas");
 762
 763         var contextEl = canvasEl.getContext("2d");
 764
 765         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 766         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 767         var center = this.imageEl.OriginWidth / 2;
 768
 769         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 770             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 771             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 772             center = this.imageEl.OriginHeight / 2;
 773         }
 774
 775         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 776
 777         contextEl.translate(center, center);
 778         contextEl.rotate(this.rotate * Math.PI / 180);
 779
 780         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 781
 782         this.canvasEl = document.createElement("canvas");
 783
 784         this.contextEl = this.canvasEl.getContext("2d");
 785
 786         switch (this.rotate) {
 787             case 0 :
 788
 789                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 790                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 791
 792                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 793
 794                 break;
 795             case 90 :
 796
 797                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 798                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 799
 800                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 801                     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);
 802                     break;
 803                 }
 804
 805                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 806
 807                 break;
 808             case 180 :
 809
 810                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 811                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 812
 813                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 814                     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);
 815                     break;
 816                 }
 817
 818                 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);
 819
 820                 break;
 821             case 270 :
 822
 823                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 824                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 825
 826                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 827                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 828                     break;
 829                 }
 830
 831                 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);
 832
 833                 break;
 834             default :
 835                 break;
 836         }
 837
 838         this.previewEl.appendChild(this.canvasEl);
 839
 840         this.setCanvasPosition();
 841     },
 842
 843     crop : function()
 844     {
 845         if(!this.canvasLoaded){
 846             return;
 847         }
 848
 849         var imageCanvas = document.createElement("canvas");
 850
 851         var imageContext = imageCanvas.getContext("2d");
 852
 853         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 854         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 855
 856         var center = imageCanvas.width / 2;
 857
 858         imageContext.translate(center, center);
 859
 860         imageContext.rotate(this.rotate * Math.PI / 180);
 861
 862         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 863
 864         var canvas = document.createElement("canvas");
 865
 866         var context = canvas.getContext("2d");
 867
 868         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 869
 870         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 871
 872         switch (this.rotate) {
 873             case 0 :
 874
 875                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 876                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 877
 878                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 879                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 880
 881                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 882                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
 883
 884                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 885                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 886
 887                 if(canvas.width > 1200) {
 888                     var scale = 1200 / canvas.width;
 889                     canvas.width = canvas.width * scale;
 890                     canvas.height = canvas.height * scale;
 891                     context.scale(scale, scale);
 892                 }
 893
 894                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 895
 896                 break;
 897             case 90 :
 898
 899                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 900                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 901
 902                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 903                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 904
 905                 var targetWidth = this.minWidth - 2 * x;
 906                 var targetHeight = this.minHeight - 2 * y;
 907
 908                 var scale = 1;
 909
 910                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 911                     scale = targetWidth / width;
 912                 }
 913
 914                 if(x > 0 && y == 0){
 915                     scale = targetHeight / height;
 916                 }
 917
 918                 if(x > 0 && y > 0){
 919                     scale = targetWidth / width;
 920
 921                     if(width < height){
 922                         scale = targetHeight / height;
 923                     }
 924                 }
 925
 926                 context.scale(scale, scale);
 927
 928                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 929                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 930
 931                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 932                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 933
 934                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 935
 936                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 937
 938                 break;
 939             case 180 :
 940
 941                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 942                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 943
 944                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 945                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 946
 947                 var targetWidth = this.minWidth - 2 * x;
 948                 var targetHeight = this.minHeight - 2 * y;
 949
 950                 var scale = 1;
 951
 952                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 953                     scale = targetWidth / width;
 954                 }
 955
 956                 if(x > 0 && y == 0){
 957                     scale = targetHeight / height;
 958                 }
 959
 960                 if(x > 0 && y > 0){
 961                     scale = targetWidth / width;
 962
 963                     if(width < height){
 964                         scale = targetHeight / height;
 965                     }
 966                 }
 967
 968                 context.scale(scale, scale);
 969
 970                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 971                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 972
 973                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 974                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 975
 976                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
 977                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 978
 979                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 980
 981                 break;
 982             case 270 :
 983
 984                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 985                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 986
 987                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 988                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 989
 990                 var targetWidth = this.minWidth - 2 * x;
 991                 var targetHeight = this.minHeight - 2 * y;
 992
 993                 var scale = 1;
 994
 995                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 996                     scale = targetWidth / width;
 997                 }
 998
 999                 if(x > 0 && y == 0){
1000                     scale = targetHeight / height;
1001                 }
1002
1003                 if(x > 0 && y > 0){
1004                     scale = targetWidth / width;
1005
1006                     if(width < height){
1007                         scale = targetHeight / height;
1008                     }
1009                 }
1010
1011                 context.scale(scale, scale);
1012                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1013                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1014
1015                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1016                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1017
1018                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1019
1020                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1021
1022                 break;
1023             default :
1024                 break;
1025         }
1026
1027         this.cropData = canvas.toDataURL(this.cropType);
1028
1029         if(this.fireEvent('crop', this, this.cropData) !== false){
1030             this.process(this.file, this.cropData);
1031         }
1032
1033         return;
1034
1035     },
1036
1037     setThumbBoxSize : function()
1038     {
1039         var width, height;
1040
1041         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1042             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1043             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1044
1045             this.minWidth = width;
1046             this.minHeight = height;
1047
1048             if(this.rotate == 90 || this.rotate == 270){
1049                 this.minWidth = height;
1050                 this.minHeight = width;
1051             }
1052         }
1053
1054         height = 300;
1055         width = Math.ceil(this.minWidth * height / this.minHeight);
1056
1057         if(this.minWidth > this.minHeight){
1058             width = 300;
1059             height = Math.ceil(this.minHeight * width / this.minWidth);
1060         }
1061
1062         this.thumbEl.setStyle({
1063             width : width + 'px',
1064             height : height + 'px'
1065         });
1066
1067         return;
1068
1069     },
1070
1071     setThumbBoxPosition : function()
1072     {
1073         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1074         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1075
1076         this.thumbEl.setLeft(x);
1077         this.thumbEl.setTop(y);
1078
1079     },
1080
1081     baseRotateLevel : function()
1082     {
1083         this.baseRotate = 1;
1084
1085         if(
1086                 typeof(this.exif) != 'undefined' &&
1087                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1088                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1089         ){
1090             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1091         }
1092
1093         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1094
1095     },
1096
1097     baseScaleLevel : function()
1098     {
1099         var width, height;
1100
1101         if(this.isDocument){
1102
1103             if(this.baseRotate == 6 || this.baseRotate == 8){
1104
1105                 height = this.thumbEl.getHeight();
1106                 this.baseScale = height / this.imageEl.OriginWidth;
1107
1108                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1109                     width = this.thumbEl.getWidth();
1110                     this.baseScale = width / this.imageEl.OriginHeight;
1111                 }
1112
1113                 return;
1114             }
1115
1116             height = this.thumbEl.getHeight();
1117             this.baseScale = height / this.imageEl.OriginHeight;
1118
1119             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1120                 width = this.thumbEl.getWidth();
1121                 this.baseScale = width / this.imageEl.OriginWidth;
1122             }
1123
1124             return;
1125         }
1126
1127         if(this.baseRotate == 6 || this.baseRotate == 8){
1128
1129             width = this.thumbEl.getHeight();
1130             this.baseScale = width / this.imageEl.OriginHeight;
1131
1132             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1133                 height = this.thumbEl.getWidth();
1134                 this.baseScale = height / this.imageEl.OriginHeight;
1135             }
1136
1137             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1138                 height = this.thumbEl.getWidth();
1139                 this.baseScale = height / this.imageEl.OriginHeight;
1140
1141                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1142                     width = this.thumbEl.getHeight();
1143                     this.baseScale = width / this.imageEl.OriginWidth;
1144                 }
1145             }
1146
1147             return;
1148         }
1149
1150         width = this.thumbEl.getWidth();
1151         this.baseScale = width / this.imageEl.OriginWidth;
1152
1153         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1154             height = this.thumbEl.getHeight();
1155             this.baseScale = height / this.imageEl.OriginHeight;
1156         }
1157
1158         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1159
1160             height = this.thumbEl.getHeight();
1161             this.baseScale = height / this.imageEl.OriginHeight;
1162
1163             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1164                 width = this.thumbEl.getWidth();
1165                 this.baseScale = width / this.imageEl.OriginWidth;
1166             }
1167
1168         }
1169
1170         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1171             this.baseScale = width / this.minWidth;
1172         }
1173
1174         return;
1175     },
1176
1177     getScaleLevel : function()
1178     {
1179         return this.baseScale * Math.pow(1.02, this.scale);
1180     },
1181
1182     onTouchStart : function(e)
1183     {
1184         if(!this.canvasLoaded){
1185             this.beforeSelectFile(e);
1186             return;
1187         }
1188
1189         var touches = e.browserEvent.touches;
1190
1191         if(!touches){
1192             return;
1193         }
1194
1195         if(touches.length == 1){
1196             this.onMouseDown(e);
1197             return;
1198         }
1199
1200         if(touches.length != 2){
1201             return;
1202         }
1203
1204         var coords = [];
1205
1206         for(var i = 0, finger; finger = touches[i]; i++){
1207             coords.push(finger.pageX, finger.pageY);
1208         }
1209
1210         var x = Math.pow(coords[0] - coords[2], 2);
1211         var y = Math.pow(coords[1] - coords[3], 2);
1212
1213         this.startDistance = Math.sqrt(x + y);
1214
1215         this.startScale = this.scale;
1216
1217         this.pinching = true;
1218         this.dragable = false;
1219
1220     },
1221
1222     onTouchMove : function(e)
1223     {
1224         if(!this.pinching && !this.dragable){
1225             return;
1226         }
1227
1228         var touches = e.browserEvent.touches;
1229
1230         if(!touches){
1231             return;
1232         }
1233
1234         if(this.dragable){
1235             this.onMouseMove(e);
1236             return;
1237         }
1238
1239         var coords = [];
1240
1241         for(var i = 0, finger; finger = touches[i]; i++){
1242             coords.push(finger.pageX, finger.pageY);
1243         }
1244
1245         var x = Math.pow(coords[0] - coords[2], 2);
1246         var y = Math.pow(coords[1] - coords[3], 2);
1247
1248         this.endDistance = Math.sqrt(x + y);
1249
1250         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1251
1252         if(!this.zoomable()){
1253             this.scale = this.startScale;
1254             return;
1255         }
1256
1257         this.draw();
1258
1259     },
1260
1261     onTouchEnd : function(e)
1262     {
1263         this.pinching = false;
1264         this.dragable = false;
1265
1266     },
1267
1268     process : function(file, crop)
1269     {
1270         if(this.loadMask){
1271             this.maskEl.mask(this.loadingText);
1272         }
1273
1274         this.xhr = new XMLHttpRequest();
1275
1276         file.xhr = this.xhr;
1277
1278         this.xhr.open(this.method, this.url, true);
1279
1280         var headers = {
1281             "Accept": "application/json",
1282             "Cache-Control": "no-cache",
1283             "X-Requested-With": "XMLHttpRequest"
1284         };
1285
1286         for (var headerName in headers) {
1287             var headerValue = headers[headerName];
1288             if (headerValue) {
1289                 this.xhr.setRequestHeader(headerName, headerValue);
1290             }
1291         }
1292
1293         var _this = this;
1294
1295         this.xhr.onload = function()
1296         {
1297             _this.xhrOnLoad(_this.xhr);
1298         }
1299
1300         this.xhr.onerror = function()
1301         {
1302             _this.xhrOnError(_this.xhr);
1303         }
1304
1305         var formData = new FormData();
1306
1307         formData.append("onid", "43024");
1308         formData.append("ontable", "pressrelease_boilerplate");
1309
1310         formData.append('returnHTML', 'NO');
1311
1312         if(crop){
1313             formData.append('crop', crop);
1314             var blobBin = atob(crop.split(',')[1]);
1315             var array = [];
1316             for(var i = 0; i < blobBin.length; i++) {
1317                 array.push(blobBin.charCodeAt(i));
1318             }
1319             var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1320             formData.append(this.paramName, croppedFile, file.name);
1321         }
1322
1323         if(typeof(file.filename) != 'undefined'){
1324             formData.append('filename', file.filename);
1325         }
1326
1327         if(typeof(file.mimetype) != 'undefined'){
1328             formData.append('mimetype', file.mimetype);
1329         }
1330
1331         if(this.fireEvent('arrange', this, formData) != false){
1332             this.xhr.send(formData);
1333         };
1334     },
1335
1336     xhrOnLoad : function(xhr)
1337     {
1338         if(this.loadMask){
1339             this.maskEl.unmask();
1340         }
1341
1342         if (xhr.readyState !== 4) {
1343             this.fireEvent('exception', this, xhr);
1344             return;
1345         }
1346
1347         var response = Roo.decode(xhr.responseText);
1348
1349         if(!response.success){
1350             this.fireEvent('exception', this, xhr);
1351             return;
1352         }
1353
1354         var response = Roo.decode(xhr.responseText);
1355
1356         this.fireEvent('upload', this, response);
1357
1358     },
1359
1360     xhrOnError : function()
1361     {
1362         if(this.loadMask){
1363             this.maskEl.unmask();
1364         }
1365
1366         Roo.log('xhr on error');
1367
1368         var response = Roo.decode(xhr.responseText);
1369
1370         Roo.log(response);
1371
1372     },
1373
1374     prepare : function(file)
1375     {
1376         if(this.loadMask){
1377             this.maskEl.mask(this.loadingText);
1378         }
1379
1380         this.file = false;
1381         this.exif = {};
1382
1383         if(typeof(file) === 'string'){
1384             this.loadCanvas(file);
1385             return;
1386         }
1387
1388         if(!file || !this.urlAPI){
1389             return;
1390         }
1391
1392         this.file = file;
1393         this.cropType = file.type;
1394
1395         var _this = this;
1396
1397         if(this.fireEvent('prepare', this, this.file) != false){
1398
1399             var reader = new FileReader();
1400
1401             reader.onload = function (e) {
1402                 if (e.target.error) {
1403                     Roo.log(e.target.error);
1404                     return;
1405                 }
1406
1407                 var buffer = e.target.result,
1408                     dataView = new DataView(buffer),
1409                     offset = 2,
1410                     maxOffset = dataView.byteLength - 4,
1411                     markerBytes,
1412                     markerLength;
1413
1414                 if (dataView.getUint16(0) === 0xffd8) {
1415                     while (offset < maxOffset) {
1416                         markerBytes = dataView.getUint16(offset);
1417
1418                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1419                             markerLength = dataView.getUint16(offset + 2) + 2;
1420                             if (offset + markerLength > dataView.byteLength) {
1421                                 Roo.log('Invalid meta data: Invalid segment size.');
1422                                 break;
1423                             }
1424
1425                             if(markerBytes == 0xffe1){
1426                                 _this.parseExifData(
1427                                     dataView,
1428                                     offset,
1429                                     markerLength
1430                                 );
1431                             }
1432
1433                             offset += markerLength;
1434
1435                             continue;
1436                         }
1437
1438                         break;
1439                     }
1440
1441                 }
1442
1443                 var url = _this.urlAPI.createObjectURL(_this.file);
1444
1445                 _this.loadCanvas(url);
1446
1447                 return;
1448             }
1449
1450             reader.readAsArrayBuffer(this.file);
1451
1452         }
1453
1454     },
1455
1456     parseExifData : function(dataView, offset, length)
1457     {
1458         var tiffOffset = offset + 10,
1459             littleEndian,
1460             dirOffset;
1461
1462         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1463             // No Exif data, might be XMP data instead
1464             return;
1465         }
1466
1467         // Check for the ASCII code for "Exif" (0x45786966):
1468         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1469             // No Exif data, might be XMP data instead
1470             return;
1471         }
1472         if (tiffOffset + 8 > dataView.byteLength) {
1473             Roo.log('Invalid Exif data: Invalid segment size.');
1474             return;
1475         }
1476         // Check for the two null bytes:
1477         if (dataView.getUint16(offset + 8) !== 0x0000) {
1478             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1479             return;
1480         }
1481         // Check the byte alignment:
1482         switch (dataView.getUint16(tiffOffset)) {
1483         case 0x4949:
1484             littleEndian = true;
1485             break;
1486         case 0x4D4D:
1487             littleEndian = false;
1488             break;
1489         default:
1490             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1491             return;
1492         }
1493         // Check for the TIFF tag marker (0x002A):
1494         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1495             Roo.log('Invalid Exif data: Missing TIFF marker.');
1496             return;
1497         }
1498         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1499         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1500
1501         this.parseExifTags(
1502             dataView,
1503             tiffOffset,
1504             tiffOffset + dirOffset,
1505             littleEndian
1506         );
1507     },
1508
1509     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1510     {
1511         var tagsNumber,
1512             dirEndOffset,
1513             i;
1514         if (dirOffset + 6 > dataView.byteLength) {
1515             Roo.log('Invalid Exif data: Invalid directory offset.');
1516             return;
1517         }
1518         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1519         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1520         if (dirEndOffset + 4 > dataView.byteLength) {
1521             Roo.log('Invalid Exif data: Invalid directory size.');
1522             return;
1523         }
1524         for (i = 0; i < tagsNumber; i += 1) {
1525             this.parseExifTag(
1526                 dataView,
1527                 tiffOffset,
1528                 dirOffset + 2 + 12 * i, // tag offset
1529                 littleEndian
1530             );
1531         }
1532         // Return the offset to the next directory:
1533         return dataView.getUint32(dirEndOffset, littleEndian);
1534     },
1535
1536     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1537     {
1538         var tag = dataView.getUint16(offset, littleEndian);
1539
1540         this.exif[tag] = this.getExifValue(
1541             dataView,
1542             tiffOffset,
1543             offset,
1544             dataView.getUint16(offset + 2, littleEndian), // tag type
1545             dataView.getUint32(offset + 4, littleEndian), // tag length
1546             littleEndian
1547         );
1548     },
1549
1550     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1551     {
1552         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1553             tagSize,
1554             dataOffset,
1555             values,
1556             i,
1557             str,
1558             c;
1559
1560         if (!tagType) {
1561             Roo.log('Invalid Exif data: Invalid tag type.');
1562             return;
1563         }
1564
1565         tagSize = tagType.size * length;
1566         // Determine if the value is contained in the dataOffset bytes,
1567         // or if the value at the dataOffset is a pointer to the actual data:
1568         dataOffset = tagSize > 4 ?
1569                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1570         if (dataOffset + tagSize > dataView.byteLength) {
1571             Roo.log('Invalid Exif data: Invalid data offset.');
1572             return;
1573         }
1574         if (length === 1) {
1575             return tagType.getValue(dataView, dataOffset, littleEndian);
1576         }
1577         values = [];
1578         for (i = 0; i < length; i += 1) {
1579             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1580         }
1581
1582         if (tagType.ascii) {
1583             str = '';
1584             // Concatenate the chars:
1585             for (i = 0; i < values.length; i += 1) {
1586                 c = values[i];
1587                 // Ignore the terminating NULL byte(s):
1588                 if (c === '\u0000') {
1589                     break;
1590                 }
1591                 str += c;
1592             }
1593             return str;
1594         }
1595         return values;
1596     }
1597
1598 });
1599
1600 Roo.apply(Roo.dialog.UploadCropbox, {
1601     tags : {
1602         'Orientation': 0x0112
1603     },
1604
1605     Orientation: {
1606             1: 0, //'top-left',
1607 //            2: 'top-right',
1608             3: 180, //'bottom-right',
1609 //            4: 'bottom-left',
1610 //            5: 'left-top',
1611             6: 90, //'right-top',
1612 //            7: 'right-bottom',
1613             8: 270 //'left-bottom'
1614     },
1615
1616     exifTagTypes : {
1617         // byte, 8-bit unsigned int:
1618         1: {
1619             getValue: function (dataView, dataOffset) {
1620                 return dataView.getUint8(dataOffset);
1621             },
1622             size: 1
1623         },
1624         // ascii, 8-bit byte:
1625         2: {
1626             getValue: function (dataView, dataOffset) {
1627                 return String.fromCharCode(dataView.getUint8(dataOffset));
1628             },
1629             size: 1,
1630             ascii: true
1631         },
1632         // short, 16 bit int:
1633         3: {
1634             getValue: function (dataView, dataOffset, littleEndian) {
1635                 return dataView.getUint16(dataOffset, littleEndian);
1636             },
1637             size: 2
1638         },
1639         // long, 32 bit int:
1640         4: {
1641             getValue: function (dataView, dataOffset, littleEndian) {
1642                 return dataView.getUint32(dataOffset, littleEndian);
1643             },
1644             size: 4
1645         },
1646         // rational = two long values, first is numerator, second is denominator:
1647         5: {
1648             getValue: function (dataView, dataOffset, littleEndian) {
1649                 return dataView.getUint32(dataOffset, littleEndian) /
1650                     dataView.getUint32(dataOffset + 4, littleEndian);
1651             },
1652             size: 8
1653         },
1654         // slong, 32 bit signed int:
1655         9: {
1656             getValue: function (dataView, dataOffset, littleEndian) {
1657                 return dataView.getInt32(dataOffset, littleEndian);
1658             },
1659             size: 4
1660         },
1661         // srational, two slongs, first is numerator, second is denominator:
1662         10: {
1663             getValue: function (dataView, dataOffset, littleEndian) {
1664                 return dataView.getInt32(dataOffset, littleEndian) /
1665                     dataView.getInt32(dataOffset + 4, littleEndian);
1666             },
1667             size: 8
1668         }
1669     },
1670
1671     footer : {
1672         STANDARD : [
1673             {
1674                 tag : 'div',
1675                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1676                 action : 'rotate-left',
1677                 cn : [
1678                     {
1679                         tag : 'button',
1680                         cls : 'btn btn-default',
1681                         html : '<i class="fa fa-undo"></i>'
1682                     }
1683                 ]
1684             },
1685             {
1686                 tag : 'div',
1687                 cls : 'btn-group roo-upload-cropbox-picture',
1688                 action : 'picture',
1689                 cn : [
1690                     {
1691                         tag : 'button',
1692                         cls : 'btn btn-default',
1693                         html : '<i class="fa fa-picture-o"></i>'
1694                     }
1695                 ]
1696             },
1697             {
1698                 tag : 'div',
1699                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1700                 action : 'rotate-right',
1701                 cn : [
1702                     {
1703                         tag : 'button',
1704                         cls : 'btn btn-default',
1705                         html : '<i class="fa fa-repeat"></i>'
1706                     }
1707                 ]
1708             }
1709         ],
1710         DOCUMENT : [
1711             {
1712                 tag : 'div',
1713                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1714                 action : 'rotate-left',
1715                 cn : [
1716                     {
1717                         tag : 'button',
1718                         cls : 'btn btn-default',
1719                         html : '<i class="fa fa-undo"></i>'
1720                     }
1721                 ]
1722             },
1723             {
1724                 tag : 'div',
1725                 cls : 'btn-group roo-upload-cropbox-download',
1726                 action : 'download',
1727                 cn : [
1728                     {
1729                         tag : 'button',
1730                         cls : 'btn btn-default',
1731                         html : '<i class="fa fa-download"></i>'
1732                     }
1733                 ]
1734             },
1735             {
1736                 tag : 'div',
1737                 cls : 'btn-group roo-upload-cropbox-crop',
1738                 action : 'crop',
1739                 cn : [
1740                     {
1741                         tag : 'button',
1742                         cls : 'btn btn-default',
1743                         html : '<i class="fa fa-crop"></i>'
1744                     }
1745                 ]
1746             },
1747             {
1748                 tag : 'div',
1749                 cls : 'btn-group roo-upload-cropbox-trash',
1750                 action : 'trash',
1751                 cn : [
1752                     {
1753                         tag : 'button',
1754                         cls : 'btn btn-default',
1755                         html : '<i class="fa fa-trash"></i>'
1756                     }
1757                 ]
1758             },
1759             {
1760                 tag : 'div',
1761                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1762                 action : 'rotate-right',
1763                 cn : [
1764                     {
1765                         tag : 'button',
1766                         cls : 'btn btn-default',
1767                         html : '<i class="fa fa-repeat"></i>'
1768                     }
1769                 ]
1770             }
1771         ],
1772         ROTATOR : [
1773             {
1774                 tag : 'div',
1775                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1776                 action : 'rotate-left',
1777                 cn : [
1778                     {
1779                         tag : 'button',
1780                         cls : 'btn btn-default',
1781                         html : '<i class="fa fa-undo"></i>'
1782                     }
1783                 ]
1784             },
1785             {
1786                 tag : 'div',
1787                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1788                 action : 'rotate-right',
1789                 cn : [
1790                     {
1791                         tag : 'button',
1792                         cls : 'btn btn-default',
1793                         html : '<i class="fa fa-repeat"></i>'
1794                     }
1795                 ]
1796             }
1797         ]
1798     }
1799 });