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

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