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         console.log("ON FILE SELECTED");
 391         e.preventDefault();
 392
 393         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 394             return;
 395         }
 396
 397         var file = this.selectorEl.dom.files[0];
 398
 399         if(this.fireEvent('inspect', this, file) != false){
 400             this.prepare(file);
 401         }
 402
 403     },
 404
 405     trash : function(e)
 406     {
 407         this.fireEvent('trash', this);
 408     },
 409
 410     download : function(e)
 411     {
 412         this.fireEvent('download', this);
 413     },
 414
 415     loadCanvas : function(src)
 416     {
 417         console.log("LOAD CANVAS");
 418         console.log(src);
 419         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 420
 421             this.reset();
 422
 423             this.imageEl = document.createElement('img');
 424
 425             var _this = this;
 426
 427             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 428
 429             this.imageEl.src = src;
 430         }
 431     },
 432
 433     onLoadCanvas : function()
 434     {
 435         console.log("ON LOAD CANVAS");
 436         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 437         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 438
 439         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 440
 441             this.bodyEl.un('click', this.beforeSelectFile, this);
 442
 443             this.notifyEl.hide();
 444             this.thumbEl.show();
 445             this.footerEl.show();
 446
 447             this.baseRotateLevel();
 448
 449             if(this.isDocument){
 450                 this.setThumbBoxSize();
 451             }
 452
 453             this.setThumbBoxPosition();
 454
 455             this.baseScaleLevel();
 456
 457             this.draw();
 458
 459             this.resize();
 460
 461             this.canvasLoaded = true;
 462
 463         }
 464
 465         if(this.loadMask){
 466             this.maskEl.unmask();
 467         }
 468
 469     },
 470
 471     setCanvasPosition : function()
 472     {
 473         if(!this.canvasEl){
 474             return;
 475         }
 476
 477         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 478         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 479
 480         this.previewEl.setLeft(pw);
 481         this.previewEl.setTop(ph);
 482
 483     },
 484
 485     onMouseDown : function(e)
 486     {
 487         e.stopEvent();
 488
 489         this.dragable = true;
 490         this.pinching = false;
 491
 492         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 493             this.dragable = false;
 494             return;
 495         }
 496
 497         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 498         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 499
 500     },
 501
 502     onMouseMove : function(e)
 503     {
 504         e.stopEvent();
 505
 506         if(!this.canvasLoaded){
 507             return;
 508         }
 509
 510         if (!this.dragable){
 511             return;
 512         }
 513
 514         var minX = Math.ceil(this.thumbEl.getLeft(true));
 515         var minY = Math.ceil(this.thumbEl.getTop(true));
 516
 517         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 518         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 519
 520         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 521         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 522
 523         x = x - this.mouseX;
 524         y = y - this.mouseY;
 525
 526         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 527         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 528
 529         bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
 530         bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
 531
 532         this.previewEl.setLeft(bgX);
 533         this.previewEl.setTop(bgY);
 534
 535         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 536         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 537     },
 538
 539     onMouseUp : function(e)
 540     {
 541         e.stopEvent();
 542
 543         this.dragable = false;
 544     },
 545
 546     onMouseWheel : function(e)
 547     {
 548         e.stopEvent();
 549
 550         this.startScale = this.scale;
 551         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 552         if(!this.zoomable()){
 553             this.scale = this.startScale;
 554             return;
 555         }
 556
 557         this.draw();
 558
 559         return;
 560     },
 561
 562     zoomable : function()
 563     {
 564         var minScale = this.thumbEl.getWidth() / this.minWidth;
 565
 566         if(this.minWidth < this.minHeight){
 567             minScale = this.thumbEl.getHeight() / this.minHeight;
 568         }
 569
 570         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 571         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 572
 573         var maxWidth = this.imageEl.OriginWidth;
 574         var maxHeight = this.imageEl.OriginHeight;
 575
 576         if(
 577                 this.isDocument &&
 578                 (this.rotate == 0 || this.rotate == 180) &&
 579                 (
 580                     width > this.imageEl.OriginWidth ||
 581                     height > this.imageEl.OriginHeight ||
 582                     (width < this.minWidth && height < this.minHeight)
 583                 )
 584         ){
 585             return false;
 586         }
 587
 588         if(
 589                 this.isDocument &&
 590                 (this.rotate == 90 || this.rotate == 270) &&
 591                 (
 592                     width > this.imageEl.OriginWidth ||
 593                     height > this.imageEl.OriginHeight ||
 594                     (width < this.minHeight && height < this.minWidth)
 595                 )
 596         ){
 597             return false;
 598         }
 599
 600         if(
 601                 !this.isDocument &&
 602                 (this.rotate == 0 || this.rotate == 180) &&
 603                 (
 604                     width < this.minWidth ||
 605                     height < this.minHeight ||
 606                     width > maxWidth ||
 607                     height > maxHeight
 608                 )
 609         ){
 610             return false;
 611         }
 612
 613         if(
 614                 !this.isDocument &&
 615                 (this.rotate == 90 || this.rotate == 270) &&
 616                 (
 617                     width < this.minHeight ||
 618                     width > this.imageEl.OriginWidth ||
 619                     height < this.minWidth ||
 620                     height > this.imageEl.OriginHeight
 621                 )
 622         ){
 623             return false;
 624         }
 625
 626         return true;
 627
 628     },
 629
 630     onRotateLeft : function(e)
 631     {
 632         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 633
 634             var minScale = this.thumbEl.getWidth() / this.minWidth;
 635
 636             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 637             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 638
 639             this.startScale = this.scale;
 640
 641             while (this.getScaleLevel() < minScale){
 642
 643                 this.scale = this.scale + 1;
 644
 645                 if(!this.zoomable()){
 646                     break;
 647                 }
 648
 649                 if(
 650                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 651                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 652                 ){
 653                     continue;
 654                 }
 655
 656                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 657
 658                 this.draw();
 659
 660                 return;
 661             }
 662
 663             this.scale = this.startScale;
 664
 665             this.onRotateFail();
 666
 667             return false;
 668         }
 669
 670         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 671
 672         if(this.isDocument){
 673             this.setThumbBoxSize();
 674             this.setThumbBoxPosition();
 675             this.setCanvasPosition();
 676         }
 677
 678         this.draw();
 679
 680         this.fireEvent('rotate', this, 'left');
 681
 682     },
 683
 684     onRotateRight : function(e)
 685     {
 686         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 687
 688             var minScale = this.thumbEl.getWidth() / this.minWidth;
 689
 690             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 691             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 692
 693             this.startScale = this.scale;
 694
 695             while (this.getScaleLevel() < minScale){
 696
 697                 this.scale = this.scale + 1;
 698
 699                 if(!this.zoomable()){
 700                     break;
 701                 }
 702
 703                 if(
 704                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 705                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 706                 ){
 707                     continue;
 708                 }
 709
 710                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 711
 712                 this.draw();
 713
 714                 return;
 715             }
 716
 717             this.scale = this.startScale;
 718
 719             this.onRotateFail();
 720
 721             return false;
 722         }
 723
 724         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 725
 726         if(this.isDocument){
 727             this.setThumbBoxSize();
 728             this.setThumbBoxPosition();
 729             this.setCanvasPosition();
 730         }
 731
 732         this.draw();
 733
 734         this.fireEvent('rotate', this, 'right');
 735     },
 736
 737     onRotateFail : function()
 738     {
 739         this.errorEl.show(true);
 740
 741         var _this = this;
 742
 743         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 744     },
 745
 746     draw : function()
 747     {
 748         console.log("DRAW");
 749         this.previewEl.dom.innerHTML = '';
 750
 751         var canvasEl = document.createElement("canvas");
 752
 753         var contextEl = canvasEl.getContext("2d");
 754
 755         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 756         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 757         var center = this.imageEl.OriginWidth / 2;
 758
 759         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 760             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 761             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 762             center = this.imageEl.OriginHeight / 2;
 763         }
 764
 765         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 766
 767         contextEl.translate(1, 1);
 768         contextEl.rotate(this.rotate * Math.PI / 180);
 769
 770         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 771
 772         this.canvasEl = document.createElement("canvas");
 773
 774         this.contextEl = this.canvasEl.getContext("2d");
 775
 776         switch (this.rotate) {
 777             case 0 :
 778
 779                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 780                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 781
 782                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 783
 784                 break;
 785             case 90 :
 786
 787                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 788                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 789
 790                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 791                     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);
 792                     break;
 793                 }
 794
 795                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 796
 797                 break;
 798             case 180 :
 799
 800                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 801                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 802
 803                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 804                     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);
 805                     break;
 806                 }
 807
 808                 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);
 809
 810                 break;
 811             case 270 :
 812
 813                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 814                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 815
 816                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 817                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 818                     break;
 819                 }
 820
 821                 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);
 822
 823                 break;
 824             default :
 825                 break;
 826         }
 827
 828         this.previewEl.appendChild(this.canvasEl);
 829
 830         this.setCanvasPosition();
 831     },
 832
 833     crop : function()
 834     {
 835         if(!this.canvasLoaded){
 836             return;
 837         }
 838
 839         var imageCanvas = document.createElement("canvas");
 840
 841         var imageContext = imageCanvas.getContext("2d");
 842
 843         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 844         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 845
 846         var center = imageCanvas.width / 2;
 847
 848         imageContext.translate(center, center);
 849
 850         imageContext.rotate(this.rotate * Math.PI / 180);
 851
 852         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 853
 854         var canvas = document.createElement("canvas");
 855
 856         var context = canvas.getContext("2d");
 857
 858         canvas.width = this.minWidth;
 859         canvas.height = this.minHeight;
 860
 861         switch (this.rotate) {
 862             case 0 :
 863
 864                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 865                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 866
 867                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 868                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 869
 870                 var targetWidth = this.minWidth - 2 * x;
 871                 var targetHeight = this.minHeight - 2 * y;
 872
 873                 var scale = 1;
 874
 875                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 876                     scale = targetWidth / width;
 877                 }
 878
 879                 if(x > 0 && y == 0){
 880                     scale = targetHeight / height;
 881                 }
 882
 883                 if(x > 0 && y > 0){
 884                     scale = targetWidth / width;
 885
 886                     if(width < height){
 887                         scale = targetHeight / height;
 888                     }
 889                 }
 890
 891                 context.scale(scale, scale);
 892
 893                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 894                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 895
 896                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 897                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 898
 899                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 900
 901                 break;
 902             case 90 :
 903
 904                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 905                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 906
 907                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 908                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 909
 910                 var targetWidth = this.minWidth - 2 * x;
 911                 var targetHeight = this.minHeight - 2 * y;
 912
 913                 var scale = 1;
 914
 915                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 916                     scale = targetWidth / width;
 917                 }
 918
 919                 if(x > 0 && y == 0){
 920                     scale = targetHeight / height;
 921                 }
 922
 923                 if(x > 0 && y > 0){
 924                     scale = targetWidth / width;
 925
 926                     if(width < height){
 927                         scale = targetHeight / height;
 928                     }
 929                 }
 930
 931                 context.scale(scale, scale);
 932
 933                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 934                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 935
 936                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 937                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 938
 939                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 940
 941                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 942
 943                 break;
 944             case 180 :
 945
 946                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 947                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 948
 949                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 950                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 951
 952                 var targetWidth = this.minWidth - 2 * x;
 953                 var targetHeight = this.minHeight - 2 * y;
 954
 955                 var scale = 1;
 956
 957                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 958                     scale = targetWidth / width;
 959                 }
 960
 961                 if(x > 0 && y == 0){
 962                     scale = targetHeight / height;
 963                 }
 964
 965                 if(x > 0 && y > 0){
 966                     scale = targetWidth / width;
 967
 968                     if(width < height){
 969                         scale = targetHeight / height;
 970                     }
 971                 }
 972
 973                 context.scale(scale, scale);
 974
 975                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 976                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 977
 978                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 979                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 980
 981                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
 982                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 983
 984                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 985
 986                 break;
 987             case 270 :
 988
 989                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 990                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 991
 992                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 993                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 994
 995                 var targetWidth = this.minWidth - 2 * x;
 996                 var targetHeight = this.minHeight - 2 * y;
 997
 998                 var scale = 1;
 999
1000                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1001                     scale = targetWidth / width;
1002                 }
1003
1004                 if(x > 0 && y == 0){
1005                     scale = targetHeight / height;
1006                 }
1007
1008                 if(x > 0 && y > 0){
1009                     scale = targetWidth / width;
1010
1011                     if(width < height){
1012                         scale = targetHeight / height;
1013                     }
1014                 }
1015
1016                 context.scale(scale, scale);
1017
1018                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1019                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1020
1021                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1022                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1023
1024                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1025
1026                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1027
1028                 break;
1029             default :
1030                 break;
1031         }
1032
1033         this.cropData = canvas.toDataURL(this.cropType);
1034
1035         if(this.fireEvent('crop', this, this.cropData) !== false){
1036             this.process(this.file, this.cropData);
1037         }
1038
1039         return;
1040
1041     },
1042
1043     setThumbBoxSize : function()
1044     {
1045         var width, height;
1046
1047         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1048             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1049             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1050
1051             this.minWidth = width;
1052             this.minHeight = height;
1053
1054             if(this.rotate == 90 || this.rotate == 270){
1055                 this.minWidth = height;
1056                 this.minHeight = width;
1057             }
1058         }
1059
1060         height = 300;
1061         width = Math.ceil(this.minWidth * height / this.minHeight);
1062
1063         if(this.minWidth > this.minHeight){
1064             width = 300;
1065             height = Math.ceil(this.minHeight * width / this.minWidth);
1066         }
1067
1068         this.thumbEl.setStyle({
1069             width : width + 'px',
1070             height : height + 'px'
1071         });
1072
1073         return;
1074
1075     },
1076
1077     setThumbBoxPosition : function()
1078     {
1079         console.log("SET THUMBBOX POSITION");
1080         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1081         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1082
1083         this.thumbEl.setLeft(x);
1084         this.thumbEl.setTop(y);
1085
1086     },
1087
1088     baseRotateLevel : function()
1089     {
1090         console.log("BASE ROTATE LEVEL");
1091         this.baseRotate = 1;
1092
1093         if(
1094                 typeof(this.exif) != 'undefined' &&
1095                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1096                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1097         ){
1098             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1099         }
1100
1101         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1102
1103     },
1104
1105     baseScaleLevel : function()
1106     {
1107         console.log("BASE SCALE LEVEL");
1108         var width, height;
1109
1110         if(this.isDocument){
1111
1112             if(this.baseRotate == 6 || this.baseRotate == 8){
1113
1114                 height = this.thumbEl.getHeight();
1115                 this.baseScale = height / this.imageEl.OriginWidth;
1116
1117                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1118                     width = this.thumbEl.getWidth();
1119                     this.baseScale = width / this.imageEl.OriginHeight;
1120                 }
1121
1122                 return;
1123             }
1124
1125             height = this.thumbEl.getHeight();
1126             this.baseScale = height / this.imageEl.OriginHeight;
1127
1128             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1129                 width = this.thumbEl.getWidth();
1130                 this.baseScale = width / this.imageEl.OriginWidth;
1131             }
1132
1133             return;
1134         }
1135
1136         if(this.baseRotate == 6 || this.baseRotate == 8){
1137
1138             width = this.thumbEl.getHeight();
1139             this.baseScale = width / this.imageEl.OriginHeight;
1140
1141             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1142                 height = this.thumbEl.getWidth();
1143                 this.baseScale = height / this.imageEl.OriginHeight;
1144             }
1145
1146             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1147                 height = this.thumbEl.getWidth();
1148                 this.baseScale = height / this.imageEl.OriginHeight;
1149
1150                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1151                     width = this.thumbEl.getHeight();
1152                     this.baseScale = width / this.imageEl.OriginWidth;
1153                 }
1154             }
1155
1156             return;
1157         }
1158
1159         width = this.thumbEl.getWidth();
1160         this.baseScale = width / this.imageEl.OriginWidth;
1161
1162         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1163             height = this.thumbEl.getHeight();
1164             this.baseScale = height / this.imageEl.OriginHeight;
1165         }
1166
1167         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1168
1169             height = this.thumbEl.getHeight();
1170             this.baseScale = height / this.imageEl.OriginHeight;
1171
1172             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1173                 width = this.thumbEl.getWidth();
1174                 this.baseScale = width / this.imageEl.OriginWidth;
1175             }
1176
1177         }
1178
1179         return;
1180     },
1181
1182     getScaleLevel : function()
1183     {
1184         return this.baseScale * Math.pow(1.02, this.scale);
1185     },
1186
1187     onTouchStart : function(e)
1188     {
1189         if(!this.canvasLoaded){
1190             this.beforeSelectFile(e);
1191             return;
1192         }
1193
1194         var touches = e.browserEvent.touches;
1195
1196         if(!touches){
1197             return;
1198         }
1199
1200         if(touches.length == 1){
1201             this.onMouseDown(e);
1202             return;
1203         }
1204
1205         if(touches.length != 2){
1206             return;
1207         }
1208
1209         var coords = [];
1210
1211         for(var i = 0, finger; finger = touches[i]; i++){
1212             coords.push(finger.pageX, finger.pageY);
1213         }
1214
1215         var x = Math.pow(coords[0] - coords[2], 2);
1216         var y = Math.pow(coords[1] - coords[3], 2);
1217
1218         this.startDistance = Math.sqrt(x + y);
1219
1220         this.startScale = this.scale;
1221
1222         this.pinching = true;
1223         this.dragable = false;
1224
1225     },
1226
1227     onTouchMove : function(e)
1228     {
1229         if(!this.pinching && !this.dragable){
1230             return;
1231         }
1232
1233         var touches = e.browserEvent.touches;
1234
1235         if(!touches){
1236             return;
1237         }
1238
1239         if(this.dragable){
1240             this.onMouseMove(e);
1241             return;
1242         }
1243
1244         var coords = [];
1245
1246         for(var i = 0, finger; finger = touches[i]; i++){
1247             coords.push(finger.pageX, finger.pageY);
1248         }
1249
1250         var x = Math.pow(coords[0] - coords[2], 2);
1251         var y = Math.pow(coords[1] - coords[3], 2);
1252
1253         this.endDistance = Math.sqrt(x + y);
1254
1255         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1256
1257         if(!this.zoomable()){
1258             this.scale = this.startScale;
1259             return;
1260         }
1261
1262         this.draw();
1263
1264     },
1265
1266     onTouchEnd : function(e)
1267     {
1268         this.pinching = false;
1269         this.dragable = false;
1270
1271     },
1272
1273     process : function(file, crop)
1274     {
1275         if(this.loadMask){
1276             this.maskEl.mask(this.loadingText);
1277         }
1278
1279         this.xhr = new XMLHttpRequest();
1280
1281         file.xhr = this.xhr;
1282
1283         this.xhr.open(this.method, this.url, true);
1284
1285         var headers = {
1286             "Accept": "application/json",
1287             "Cache-Control": "no-cache",
1288             "X-Requested-With": "XMLHttpRequest"
1289         };
1290
1291         for (var headerName in headers) {
1292             var headerValue = headers[headerName];
1293             if (headerValue) {
1294                 this.xhr.setRequestHeader(headerName, headerValue);
1295             }
1296         }
1297
1298         var _this = this;
1299
1300         this.xhr.onload = function()
1301         {
1302             _this.xhrOnLoad(_this.xhr);
1303         }
1304
1305         this.xhr.onerror = function()
1306         {
1307             _this.xhrOnError(_this.xhr);
1308         }
1309
1310         var formData = new FormData();
1311
1312         formData.append('returnHTML', 'NO');
1313
1314         if(crop){
1315             formData.append('crop', crop);
1316         }
1317
1318         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1319             formData.append(this.paramName, file, file.name);
1320         }
1321
1322         if(typeof(file.filename) != 'undefined'){
1323             formData.append('filename', file.filename);
1324         }
1325
1326         if(typeof(file.mimetype) != 'undefined'){
1327             formData.append('mimetype', file.mimetype);
1328         }
1329
1330         if(this.fireEvent('arrange', this, formData) != false){
1331             this.xhr.send(formData);
1332         };
1333     },
1334
1335     xhrOnLoad : function(xhr)
1336     {
1337         if(this.loadMask){
1338             this.maskEl.unmask();
1339         }
1340
1341         if (xhr.readyState !== 4) {
1342             this.fireEvent('exception', this, xhr);
1343             return;
1344         }
1345
1346         var response = Roo.decode(xhr.responseText);
1347
1348         if(!response.success){
1349             this.fireEvent('exception', this, xhr);
1350             return;
1351         }
1352
1353         var response = Roo.decode(xhr.responseText);
1354
1355         this.fireEvent('upload', this, response);
1356
1357     },
1358
1359     xhrOnError : function()
1360     {
1361         if(this.loadMask){
1362             this.maskEl.unmask();
1363         }
1364
1365         Roo.log('xhr on error');
1366
1367         var response = Roo.decode(xhr.responseText);
1368
1369         Roo.log(response);
1370
1371     },
1372
1373     prepare : function(file)
1374     {
1375         console.log("PREPARE");
1376         console.log(file);
1377         if(this.loadMask){
1378             this.maskEl.mask(this.loadingText);
1379         }
1380
1381         this.file = false;
1382         this.exif = {};
1383
1384         if(typeof(file) === 'string'){
1385             this.loadCanvas(file);
1386             return;
1387         }
1388
1389         if(!file || !this.urlAPI){
1390             return;
1391         }
1392
1393         this.file = file;
1394         this.cropType = file.type;
1395
1396         var _this = this;
1397
1398         if(this.fireEvent('prepare', this, this.file) != false){
1399
1400             var reader = new FileReader();
1401
1402             reader.onload = function (e) {
1403                 if (e.target.error) {
1404                     Roo.log(e.target.error);
1405                     return;
1406                 }
1407
1408                 var buffer = e.target.result,
1409                     dataView = new DataView(buffer),
1410                     offset = 2,
1411                     maxOffset = dataView.byteLength - 4,
1412                     markerBytes,
1413                     markerLength;
1414
1415                 if (dataView.getUint16(0) === 0xffd8) {
1416                     while (offset < maxOffset) {
1417                         markerBytes = dataView.getUint16(offset);
1418
1419                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1420                             markerLength = dataView.getUint16(offset + 2) + 2;
1421                             if (offset + markerLength > dataView.byteLength) {
1422                                 Roo.log('Invalid meta data: Invalid segment size.');
1423                                 break;
1424                             }
1425
1426                             if(markerBytes == 0xffe1){
1427                                 _this.parseExifData(
1428                                     dataView,
1429                                     offset,
1430                                     markerLength
1431                                 );
1432                             }
1433
1434                             offset += markerLength;
1435
1436                             continue;
1437                         }
1438
1439                         break;
1440                     }
1441
1442                 }
1443
1444                 var url = _this.urlAPI.createObjectURL(_this.file);
1445
1446                 _this.loadCanvas(url);
1447
1448                 return;
1449             }
1450
1451             reader.readAsArrayBuffer(this.file);
1452
1453         }
1454
1455     },
1456
1457     parseExifData : function(dataView, offset, length)
1458     {
1459         var tiffOffset = offset + 10,
1460             littleEndian,
1461             dirOffset;
1462
1463         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1464             // No Exif data, might be XMP data instead
1465             return;
1466         }
1467
1468         // Check for the ASCII code for "Exif" (0x45786966):
1469         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1470             // No Exif data, might be XMP data instead
1471             return;
1472         }
1473         if (tiffOffset + 8 > dataView.byteLength) {
1474             Roo.log('Invalid Exif data: Invalid segment size.');
1475             return;
1476         }
1477         // Check for the two null bytes:
1478         if (dataView.getUint16(offset + 8) !== 0x0000) {
1479             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1480             return;
1481         }
1482         // Check the byte alignment:
1483         switch (dataView.getUint16(tiffOffset)) {
1484         case 0x4949:
1485             littleEndian = true;
1486             break;
1487         case 0x4D4D:
1488             littleEndian = false;
1489             break;
1490         default:
1491             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1492             return;
1493         }
1494         // Check for the TIFF tag marker (0x002A):
1495         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1496             Roo.log('Invalid Exif data: Missing TIFF marker.');
1497             return;
1498         }
1499         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1500         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1501
1502         this.parseExifTags(
1503             dataView,
1504             tiffOffset,
1505             tiffOffset + dirOffset,
1506             littleEndian
1507         );
1508     },
1509
1510     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1511     {
1512         var tagsNumber,
1513             dirEndOffset,
1514             i;
1515         if (dirOffset + 6 > dataView.byteLength) {
1516             Roo.log('Invalid Exif data: Invalid directory offset.');
1517             return;
1518         }
1519         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1520         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1521         if (dirEndOffset + 4 > dataView.byteLength) {
1522             Roo.log('Invalid Exif data: Invalid directory size.');
1523             return;
1524         }
1525         for (i = 0; i < tagsNumber; i += 1) {
1526             this.parseExifTag(
1527                 dataView,
1528                 tiffOffset,
1529                 dirOffset + 2 + 12 * i, // tag offset
1530                 littleEndian
1531             );
1532         }
1533         // Return the offset to the next directory:
1534         return dataView.getUint32(dirEndOffset, littleEndian);
1535     },
1536
1537     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1538     {
1539         var tag = dataView.getUint16(offset, littleEndian);
1540
1541         this.exif[tag] = this.getExifValue(
1542             dataView,
1543             tiffOffset,
1544             offset,
1545             dataView.getUint16(offset + 2, littleEndian), // tag type
1546             dataView.getUint32(offset + 4, littleEndian), // tag length
1547             littleEndian
1548         );
1549     },
1550
1551     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1552     {
1553         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1554             tagSize,
1555             dataOffset,
1556             values,
1557             i,
1558             str,
1559             c;
1560
1561         if (!tagType) {
1562             Roo.log('Invalid Exif data: Invalid tag type.');
1563             return;
1564         }
1565
1566         tagSize = tagType.size * length;
1567         // Determine if the value is contained in the dataOffset bytes,
1568         // or if the value at the dataOffset is a pointer to the actual data:
1569         dataOffset = tagSize > 4 ?
1570                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1571         if (dataOffset + tagSize > dataView.byteLength) {
1572             Roo.log('Invalid Exif data: Invalid data offset.');
1573             return;
1574         }
1575         if (length === 1) {
1576             return tagType.getValue(dataView, dataOffset, littleEndian);
1577         }
1578         values = [];
1579         for (i = 0; i < length; i += 1) {
1580             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1581         }
1582
1583         if (tagType.ascii) {
1584             str = '';
1585             // Concatenate the chars:
1586             for (i = 0; i < values.length; i += 1) {
1587                 c = values[i];
1588                 // Ignore the terminating NULL byte(s):
1589                 if (c === '\u0000') {
1590                     break;
1591                 }
1592                 str += c;
1593             }
1594             return str;
1595         }
1596         return values;
1597     }
1598
1599 });
1600
1601 Roo.apply(Roo.dialog.UploadCropbox, {
1602     tags : {
1603         'Orientation': 0x0112
1604     },
1605
1606     Orientation: {
1607             1: 0, //'top-left',
1608 //            2: 'top-right',
1609             3: 180, //'bottom-right',
1610 //            4: 'bottom-left',
1611 //            5: 'left-top',
1612             6: 90, //'right-top',
1613 //            7: 'right-bottom',
1614             8: 270 //'left-bottom'
1615     },
1616
1617     exifTagTypes : {
1618         // byte, 8-bit unsigned int:
1619         1: {
1620             getValue: function (dataView, dataOffset) {
1621                 return dataView.getUint8(dataOffset);
1622             },
1623             size: 1
1624         },
1625         // ascii, 8-bit byte:
1626         2: {
1627             getValue: function (dataView, dataOffset) {
1628                 return String.fromCharCode(dataView.getUint8(dataOffset));
1629             },
1630             size: 1,
1631             ascii: true
1632         },
1633         // short, 16 bit int:
1634         3: {
1635             getValue: function (dataView, dataOffset, littleEndian) {
1636                 return dataView.getUint16(dataOffset, littleEndian);
1637             },
1638             size: 2
1639         },
1640         // long, 32 bit int:
1641         4: {
1642             getValue: function (dataView, dataOffset, littleEndian) {
1643                 return dataView.getUint32(dataOffset, littleEndian);
1644             },
1645             size: 4
1646         },
1647         // rational = two long values, first is numerator, second is denominator:
1648         5: {
1649             getValue: function (dataView, dataOffset, littleEndian) {
1650                 return dataView.getUint32(dataOffset, littleEndian) /
1651                     dataView.getUint32(dataOffset + 4, littleEndian);
1652             },
1653             size: 8
1654         },
1655         // slong, 32 bit signed int:
1656         9: {
1657             getValue: function (dataView, dataOffset, littleEndian) {
1658                 return dataView.getInt32(dataOffset, littleEndian);
1659             },
1660             size: 4
1661         },
1662         // srational, two slongs, first is numerator, second is denominator:
1663         10: {
1664             getValue: function (dataView, dataOffset, littleEndian) {
1665                 return dataView.getInt32(dataOffset, littleEndian) /
1666                     dataView.getInt32(dataOffset + 4, littleEndian);
1667             },
1668             size: 8
1669         }
1670     },
1671
1672     footer : {
1673         STANDARD : [
1674             {
1675                 tag : 'div',
1676                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1677                 action : 'rotate-left',
1678                 cn : [
1679                     {
1680                         tag : 'button',
1681                         cls : 'btn btn-default',
1682                         html : '<i class="fa fa-undo"></i>'
1683                     }
1684                 ]
1685             },
1686             {
1687                 tag : 'div',
1688                 cls : 'btn-group roo-upload-cropbox-picture',
1689                 action : 'picture',
1690                 cn : [
1691                     {
1692                         tag : 'button',
1693                         cls : 'btn btn-default',
1694                         html : '<i class="fa fa-picture-o"></i>'
1695                     }
1696                 ]
1697             },
1698             {
1699                 tag : 'div',
1700                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1701                 action : 'rotate-right',
1702                 cn : [
1703                     {
1704                         tag : 'button',
1705                         cls : 'btn btn-default',
1706                         html : '<i class="fa fa-repeat"></i>'
1707                     }
1708                 ]
1709             }
1710         ],
1711         DOCUMENT : [
1712             {
1713                 tag : 'div',
1714                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1715                 action : 'rotate-left',
1716                 cn : [
1717                     {
1718                         tag : 'button',
1719                         cls : 'btn btn-default',
1720                         html : '<i class="fa fa-undo"></i>'
1721                     }
1722                 ]
1723             },
1724             {
1725                 tag : 'div',
1726                 cls : 'btn-group roo-upload-cropbox-download',
1727                 action : 'download',
1728                 cn : [
1729                     {
1730                         tag : 'button',
1731                         cls : 'btn btn-default',
1732                         html : '<i class="fa fa-download"></i>'
1733                     }
1734                 ]
1735             },
1736             {
1737                 tag : 'div',
1738                 cls : 'btn-group roo-upload-cropbox-crop',
1739                 action : 'crop',
1740                 cn : [
1741                     {
1742                         tag : 'button',
1743                         cls : 'btn btn-default',
1744                         html : '<i class="fa fa-crop"></i>'
1745                     }
1746                 ]
1747             },
1748             {
1749                 tag : 'div',
1750                 cls : 'btn-group roo-upload-cropbox-trash',
1751                 action : 'trash',
1752                 cn : [
1753                     {
1754                         tag : 'button',
1755                         cls : 'btn btn-default',
1756                         html : '<i class="fa fa-trash"></i>'
1757                     }
1758                 ]
1759             },
1760             {
1761                 tag : 'div',
1762                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1763                 action : 'rotate-right',
1764                 cn : [
1765                     {
1766                         tag : 'button',
1767                         cls : 'btn btn-default',
1768                         html : '<i class="fa fa-repeat"></i>'
1769                     }
1770                 ]
1771             }
1772         ],
1773         ROTATOR : [
1774             {
1775                 tag : 'div',
1776                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1777                 action : 'rotate-left',
1778                 cn : [
1779                     {
1780                         tag : 'button',
1781                         cls : 'btn btn-default',
1782                         html : '<i class="fa fa-undo"></i>'
1783                     }
1784                 ]
1785             },
1786             {
1787                 tag : 'div',
1788                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1789                 action : 'rotate-right',
1790                 cn : [
1791                     {
1792                         tag : 'button',
1793                         cls : 'btn btn-default',
1794                         html : '<i class="fa fa-repeat"></i>'
1795                     }
1796                 ]
1797             }
1798         ]
1799     }
1800 });