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

   1
   2 /*
   3 * Licence: LGPL
   4 */
   5
   6 /**
   7  * @class Roo.dialog.UploadCropbox
   8  * @extends Roo.BoxComponent
   9  * Dialog UploadCropbox class
  10  * @cfg {String} emptyText show when image has been loaded
  11  * @cfg {String} rotateNotify show when image too small to rotate
  12  * @cfg {Number} errorTimeout default 3000
  13  * @cfg {Number} minWidth default 300
  14  * @cfg {Number} minHeight default 300
  15  * @cfg {Number} outputMaxWidth default 1200
  16  * @cfg {Number} windowSize default 300
  17  * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
  18  * @cfg {Boolean} isDocument (true|false) default false
  19  * @cfg {String} url action url
  20  * @cfg {String} paramName default 'imageUpload'
  21  * @cfg {String} method default POST
  22  * @cfg {Boolean} loadMask (true|false) default true
  23  * @cfg {Boolean} loadingText default 'Loading...'
  24  *
  25  * @constructor
  26  * Create a new UploadCropbox
  27  * @param {Object} config The config object
  28  */
  29
  30  Roo.dialog.UploadCropbox = function(config){
  31     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  32
  33     this.addEvents({
  34         /**
  35          * @event beforeselectfile
  36          * Fire before select file
  37          * @param {Roo.dialog.UploadCropbox} this
  38          */
  39         "beforeselectfile" : true,
  40         /**
  41          * @event initial
  42          * Fire after initEvent
  43          * @param {Roo.dialog.UploadCropbox} this
  44          */
  45         "initial" : true,
  46         /**
  47          * @event crop
  48          * Fire after initEvent
  49          * @param {Roo.dialog.UploadCropbox} this
  50          * @param {String} data
  51          */
  52         "crop" : true,
  53         /**
  54          * @event prepare
  55          * Fire when preparing the file data
  56          * @param {Roo.dialog.UploadCropbox} this
  57          * @param {Object} file
  58          */
  59         "prepare" : true,
  60         /**
  61          * @event exception
  62          * Fire when get exception
  63          * @param {Roo.dialog.UploadCropbox} this
  64          * @param {XMLHttpRequest} xhr
  65          */
  66         "exception" : true,
  67         /**
  68          * @event beforeloadcanvas
  69          * Fire before load the canvas
  70          * @param {Roo.dialog.UploadCropbox} this
  71          * @param {String} src
  72          */
  73         "beforeloadcanvas" : true,
  74         /**
  75          * @event trash
  76          * Fire when trash image
  77          * @param {Roo.dialog.UploadCropbox} this
  78          */
  79         "trash" : true,
  80         /**
  81          * @event download
  82          * Fire when download the image
  83          * @param {Roo.dialog.UploadCropbox} this
  84          */
  85         "download" : true,
  86         /**
  87          * @event footerbuttonclick
  88          * Fire when footerbuttonclick
  89          * @param {Roo.dialog.UploadCropbox} this
  90          * @param {String} type
  91          */
  92         "footerbuttonclick" : true,
  93         /**
  94          * @event resize
  95          * Fire when resize
  96          * @param {Roo.dialog.UploadCropbox} this
  97          */
  98         "resize" : true,
  99         /**
 100          * @event rotate
 101          * Fire when rotate the image
 102          * @param {Roo.dialog.UploadCropbox} this
 103          * @param {String} pos
 104          */
 105         "rotate" : true,
 106         /**
 107          * @event inspect
 108          * Fire when inspect the file
 109          * @param {Roo.dialog.UploadCropbox} this
 110          * @param {Object} file
 111          */
 112         "inspect" : true,
 113         /**
 114          * @event upload
 115          * Fire when xhr upload the file
 116          * @param {Roo.dialog.UploadCropbox} this
 117          * @param {Object} data
 118          */
 119         "upload" : true,
 120         /**
 121          * @event arrange
 122          * Fire when arrange the file data
 123          * @param {Roo.dialog.UploadCropbox} this
 124          * @param {Object} formData
 125          */
 126         "arrange" : true,
 127         /**
 128          * @event loadcanvas
 129          * Fire after load the canvas
 130          * @param {Roo.dialog.UploadCropbox}
 131          * @param {Object} imgEl
 132          */
 133         "loadcanvas" : true
 134     });
 135
 136     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 137 };
 138
 139 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 140
 141     emptyText : 'Click to upload image',
 142     rotateNotify : 'Image is too small to rotate',
 143     errorTimeout : 3000,
 144     scale : 0,
 145     baseScale : 1,
 146     rotate : 0,
 147     dragable : false,
 148     pinching : false,
 149     mouseX : 0,
 150     mouseY : 0,
 151     cropData : false,
 152     minWidth : 300,
 153     minHeight : 300,
 154     outputMaxWidth : 1200,
 155     windowSize : 300,
 156     file : false,
 157     exif : {},
 158     baseRotate : 1,
 159     cropType : 'image/jpeg',
 160     buttons : false,
 161     canvasLoaded : false,
 162     isDocument : false,
 163     method : 'POST',
 164     paramName : 'imageUpload',
 165     loadMask : true,
 166     loadingText : 'Loading...',
 167     maskEl : false,
 168
 169     getAutoCreate : function()
 170     {
 171         var cfg = {
 172             tag : 'div',
 173             cls : 'roo-upload-cropbox',
 174             cn : [
 175                 {
 176                     tag : 'input',
 177                     cls : 'roo-upload-cropbox-selector',
 178                     type : 'file'
 179                 },
 180                 {
 181                     tag : 'div',
 182                     cls : 'roo-upload-cropbox-body',
 183                     style : 'cursor:pointer',
 184                     cn : [
 185                         {
 186                             tag : 'div',
 187                             cls : 'roo-upload-cropbox-preview'
 188                         },
 189                         {
 190                             tag : 'div',
 191                             cls : 'roo-upload-cropbox-thumb'
 192                         },
 193                         {
 194                             tag : 'div',
 195                             cls : 'roo-upload-cropbox-empty-notify',
 196                             html : this.emptyText
 197                         },
 198                         {
 199                             tag : 'div',
 200                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 201                             html : this.rotateNotify
 202                         }
 203                     ]
 204                 },
 205                 {
 206                     tag : 'div',
 207                     cls : 'roo-upload-cropbox-footer',
 208                     cn : {
 209                         tag : 'div',
 210                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 211                         cn : []
 212                     }
 213                 }
 214             ]
 215         };
 216
 217         return cfg;
 218     },
 219
 220     onRender : function(ct, position)
 221     {
 222         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 223
 224         if(this.el){
 225             if (this.el.attr('xtype')) {
 226                 this.el.attr('xtypex', this.el.attr('xtype'));
 227                 this.el.dom.removeAttribute('xtype');
 228
 229                 this.initEvents();
 230             }
 231         }
 232         else {
 233             var cfg = Roo.apply({},  this.getAutoCreate());
 234
 235             cfg.id = this.id || Roo.id();
 236
 237             if (this.cls) {
 238                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 239             }
 240
 241             if (this.style) { // fixme needs to support more complex style data.
 242                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 243             }
 244
 245             this.el = ct.createChild(cfg, position);
 246
 247             this.initEvents();
 248         }
 249
 250         if (this.buttons.length) {
 251
 252             Roo.each(this.buttons, function(bb) {
 253
 254                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 255
 256                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 257
 258             }, this);
 259         }
 260
 261         if(this.loadMask){
 262             this.maskEl = this.el;
 263         }
 264     },
 265
 266     initEvents : function()
 267     {
 268         this.urlAPI = (window.createObjectURL && window) ||
 269                                 (window.URL && URL.revokeObjectURL && URL) ||
 270                                 (window.webkitURL && webkitURL);
 271
 272         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 273         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 274
 275         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 276         this.selectorEl.hide();
 277
 278         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 279         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 280
 281         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 282         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 283         this.thumbEl.hide();
 284
 285         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 286         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 287
 288         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 289         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 290         this.errorEl.hide();
 291
 292         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 293         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 294         this.footerEl.hide();
 295
 296         this.setThumbBoxSize();
 297
 298         this.bind();
 299
 300         this.resize();
 301
 302         this.fireEvent('initial', this);
 303     },
 304
 305     bind : function()
 306     {
 307         var _this = this;
 308
 309         window.addEventListener("resize", function() { _this.resize(); } );
 310
 311         this.bodyEl.on('click', this.beforeSelectFile, this);
 312
 313         if(Roo.isTouch){
 314             this.bodyEl.on('touchstart', this.onTouchStart, this);
 315             this.bodyEl.on('touchmove', this.onTouchMove, this);
 316             this.bodyEl.on('touchend', this.onTouchEnd, this);
 317         }
 318
 319         if(!Roo.isTouch){
 320             this.bodyEl.on('mousedown', this.onMouseDown, this);
 321             this.bodyEl.on('mousemove', this.onMouseMove, this);
 322             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 323             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 324             Roo.get(document).on('mouseup', this.onMouseUp, this);
 325         }
 326
 327         this.selectorEl.on('change', this.onFileSelected, this);
 328     },
 329
 330     reset : function()
 331     {
 332         this.scale = 0;
 333         this.baseScale = 1;
 334         this.rotate = 0;
 335         this.baseRotate = 1;
 336         this.dragable = false;
 337         this.pinching = false;
 338         this.mouseX = 0;
 339         this.mouseY = 0;
 340         this.cropData = false;
 341         this.notifyEl.dom.innerHTML = this.emptyText;
 342
 343         // this.selectorEl.dom.value = '';
 344
 345     },
 346
 347     resize : function()
 348     {
 349         if(this.fireEvent('resize', this) != false){
 350             this.setThumbBoxPosition();
 351             this.setCanvasPosition();
 352         }
 353     },
 354
 355     onFooterButtonClick : function(e, el, o, type)
 356     {
 357         switch (type) {
 358             case 'rotate-left' :
 359                 this.onRotateLeft(e);
 360                 break;
 361             case 'rotate-right' :
 362                 this.onRotateRight(e);
 363                 break;
 364             case 'picture' :
 365                 this.beforeSelectFile(e);
 366                 break;
 367             case 'trash' :
 368                 this.trash(e);
 369                 break;
 370             case 'crop' :
 371                 this.crop(e);
 372                 break;
 373             case 'download' :
 374                 this.download(e);
 375                 break;
 376             case 'center' :
 377                 this.center(e);
 378                 break;
 379             default :
 380                 break;
 381         }
 382
 383         this.fireEvent('footerbuttonclick', this, type);
 384     },
 385
 386     beforeSelectFile : function(e)
 387     {
 388         e.preventDefault();
 389
 390         if(this.fireEvent('beforeselectfile', this) != false){
 391             this.selectorEl.dom.click();
 392         }
 393     },
 394
 395     onFileSelected : function(e)
 396     {
 397         e.preventDefault();
 398
 399         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 400             return;
 401         }
 402
 403         var file = this.selectorEl.dom.files[0];
 404
 405         Roo.log(file);
 406
 407         if(this.fireEvent('inspect', this, file) != false){
 408             this.prepare(file);
 409         }
 410
 411     },
 412
 413     trash : function(e)
 414     {
 415         this.fireEvent('trash', this);
 416     },
 417
 418     download : function(e)
 419     {
 420         this.fireEvent('download', this);
 421     },
 422
 423     center : function(e)
 424     {
 425         this.setCanvasPosition();
 426     },
 427
 428     loadCanvas : function(src)
 429     {
 430         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 431
 432             this.reset();
 433
 434             this.imageEl = document.createElement('img');
 435
 436             var _this = this;
 437
 438             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 439
 440             this.imageEl.src = src;
 441         }
 442     },
 443
 444     onLoadCanvas : function()
 445     {
 446         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 447         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 448
 449         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 450
 451             this.bodyEl.un('click', this.beforeSelectFile, this);
 452
 453             this.notifyEl.hide();
 454             this.thumbEl.show();
 455             this.footerEl.show();
 456
 457             this.baseRotateLevel();
 458
 459             if(this.isDocument){
 460                 this.setThumbBoxSize();
 461             }
 462
 463             this.setThumbBoxPosition();
 464
 465             this.baseScaleLevel();
 466
 467             this.draw();
 468
 469             this.resize();
 470
 471             this.canvasLoaded = true;
 472
 473         }
 474
 475         if(this.loadMask){
 476             this.maskEl.unmask();
 477         }
 478
 479     },
 480
 481     setCanvasPosition : function(center = true)
 482     {
 483         if(!this.canvasEl){
 484             return;
 485         }
 486
 487         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 488         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 489
 490         if(center) {
 491             this.previewEl.setLeft(newCenterLeft);
 492             this.previewEl.setTop(newCenterTop);
 493
 494             return;
 495         }
 496
 497         var oldScaleLevel = this.baseScale * Math.pow(1.02, this.startScale);
 498         var oldCanvasWidth = Math.floor(this.imageEl.OriginWidth * oldScaleLevel);
 499         var oldCanvasHeight = Math.floor(this.imageEl.OriginHeight * oldScaleLevel);
 500
 501         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - oldCanvasWidth) / 2);
 502         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - oldCanvasHeight) / 2);
 503
 504         var leftDiff = newCenterLeft - oldCenterLeft;
 505         var topDiff = newCenterTop - oldCenterTop;
 506
 507         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 508         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 509
 510         this.previewEl.setLeft(newPreviewLeft);
 511         this.previewEl.setTop(newPreviewTop);
 512
 513     },
 514
 515     onMouseDown : function(e)
 516     {
 517         e.stopEvent();
 518
 519         this.dragable = true;
 520         this.pinching = false;
 521
 522         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 523             this.dragable = false;
 524             return;
 525         }
 526
 527         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 528         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 529
 530     },
 531
 532     onMouseMove : function(e)
 533     {
 534         e.stopEvent();
 535
 536         if(!this.canvasLoaded){
 537             return;
 538         }
 539
 540         if (!this.dragable){
 541             return;
 542         }
 543
 544         var maxPaddingLeft = this.canvasEl.width / 0.9 * 0.05;
 545         var maxPaddingTop = maxPaddingLeft * this.minHeight / this.minWidth;
 546
 547         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 548             maxPaddingLeft = (this.canvasEl.height * this.minWidth / this.minHeight - this.canvasEl.width) / 2 + maxPaddingLeft;
 549         }
 550
 551         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 552             maxPaddingTop = (this.canvasEl.width * this.minHeight / this.minWidth - this.canvasEl.height) / 2 + maxPaddingTop;
 553         }
 554
 555         var minX = Math.ceil(this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - this.canvasEl.width - maxPaddingLeft);
 556         var minY = Math.ceil(this.thumbEl.getTop(true) + this.thumbEl.getHeight() - this.canvasEl.height - maxPaddingTop);
 557
 558         var maxX = Math.ceil(this.thumbEl.getLeft(true) + maxPaddingLeft);
 559         var maxY = Math.ceil(this.thumbEl.getTop(true) +  maxPaddingTop);
 560
 561         if(minX > maxX) {
 562             var tempX = minX;
 563             minX = maxX;
 564             maxX = tempX;
 565         }
 566
 567         if(minY > maxY) {
 568             var tempY = minY;
 569             minY = maxY;
 570             maxY = tempY;
 571         }
 572
 573         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 574         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 575
 576         x = x - this.mouseX;
 577         y = y - this.mouseY;
 578
 579         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 580         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 581
 582         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 583         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 584
 585         this.previewEl.setLeft(bgX);
 586         this.previewEl.setTop(bgY);
 587
 588         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 589         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 590     },
 591
 592     onMouseUp : function(e)
 593     {
 594         e.stopEvent();
 595
 596         this.dragable = false;
 597     },
 598
 599     onMouseWheel : function(e)
 600     {
 601         e.stopEvent();
 602
 603         this.startScale = this.scale;
 604         this.scale = (e.getWheelDelta() > 0) ? (this.scale + 1) : (this.scale - 1);
 605
 606         if(!this.zoomable()){
 607             this.scale = this.startScale;
 608             return;
 609         }
 610
 611
 612         this.draw();
 613
 614         return;
 615     },
 616
 617     zoomable : function()
 618     {
 619         var minScale = this.thumbEl.getWidth() / this.minWidth;
 620
 621         if(this.minWidth < this.minHeight){
 622             minScale = this.thumbEl.getHeight() / this.minHeight;
 623         }
 624
 625         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 626         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 627
 628         var maxWidth = this.imageEl.OriginWidth;
 629         var maxHeight = this.imageEl.OriginHeight;
 630
 631
 632         var newCanvasWidth = Math.floor(this.imageEl.OriginWidth * this.getScaleLevel());
 633         var newCanvasHeight = Math.floor(this.imageEl.OriginHeight * this.getScaleLevel());
 634
 635         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 636         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 637
 638         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - newCanvasWidth) / 2);
 639         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - newCanvasHeight) / 2);
 640
 641         var leftDiff = newCenterLeft - oldCenterLeft;
 642         var topDiff = newCenterTop - oldCenterTop;
 643
 644         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 645         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 646
 647         var paddingLeft = newPreviewLeft - this.thumbEl.getLeft(true);
 648         var paddingTop = newPreviewTop - this.thumbEl.getTop(true);
 649
 650         var paddingRight = this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - newCanvasWidth - newPreviewLeft;
 651         var paddingBottom = this.thumbEl.getTop(true) + this.thumbEl.getHeight() - newCanvasHeight - newPreviewTop;
 652
 653         var maxPaddingLeft = newCanvasWidth / 0.9 * 0.05;
 654         var maxPaddingTop = maxPaddingLeft * this.minHeight / this.minWidth;
 655
 656         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 657             maxPaddingLeft = (newCanvasHeight * this.minWidth / this.minHeight - newCanvasWidth) / 2 + maxPaddingLeft;
 658         }
 659
 660         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 661             maxPaddingTop = (newCanvasWidth * this.minHeight / this.minWidth - newCanvasHeight) / 2 + maxPaddingTop;
 662         }
 663
 664         if(
 665                 this.isDocument &&
 666                 (this.rotate == 0 || this.rotate == 180) &&
 667                 (
 668                     width > this.imageEl.OriginWidth ||
 669                     height > this.imageEl.OriginHeight ||
 670                     (width < this.minWidth && height < this.minHeight)
 671                 )
 672         ){
 673             return false;
 674         }
 675
 676         if(
 677                 this.isDocument &&
 678                 (this.rotate == 90 || this.rotate == 270) &&
 679                 (
 680                     width > this.imageEl.OriginWidth ||
 681                     height > this.imageEl.OriginHeight ||
 682                     (width < this.minHeight && height < this.minWidth)
 683                 )
 684         ){
 685             return false;
 686         }
 687
 688         if(
 689                 !this.isDocument &&
 690                 (this.rotate == 0 || this.rotate == 180) &&
 691                 (
 692                     // for zoom out
 693                     paddingLeft > maxPaddingLeft ||
 694                     paddingRight > maxPaddingLeft ||
 695                     paddingTop > maxPaddingTop ||
 696                     paddingBottom > maxPaddingTop ||
 697                     // for zoom in
 698                     width > maxWidth ||
 699                     height > maxHeight
 700                 )
 701         ){
 702             return false;
 703         }
 704
 705         if(
 706                 !this.isDocument &&
 707                 (this.rotate == 90 || this.rotate == 270) &&
 708                 (
 709                     width < this.minHeight ||
 710                     width > this.imageEl.OriginWidth ||
 711                     height < this.minWidth ||
 712                     height > this.imageEl.OriginHeight
 713                 )
 714         ){
 715             return false;
 716         }
 717
 718         return true;
 719
 720     },
 721
 722     onRotateLeft : function(e)
 723     {
 724         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 725
 726             var minScale = this.thumbEl.getWidth() / this.minWidth;
 727
 728             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 729             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 730
 731             this.startScale = this.scale;
 732
 733             while (this.getScaleLevel() < minScale){
 734
 735                 this.scale = this.scale + 1;
 736
 737                 if(!this.zoomable()){
 738                     break;
 739                 }
 740
 741                 if(
 742                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 743                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 744                 ){
 745                     continue;
 746                 }
 747
 748                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 749
 750                 this.draw();
 751
 752                 return;
 753             }
 754
 755             this.scale = this.startScale;
 756
 757             this.onRotateFail();
 758
 759             return false;
 760         }
 761
 762         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 763
 764         if(this.isDocument){
 765             this.setThumbBoxSize();
 766             this.setThumbBoxPosition();
 767             this.setCanvasPosition();
 768         }
 769
 770         this.draw();
 771
 772         this.fireEvent('rotate', this, 'left');
 773
 774     },
 775
 776     onRotateRight : function(e)
 777     {
 778         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 779
 780             var minScale = this.thumbEl.getWidth() / this.minWidth;
 781
 782             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 783             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 784
 785             this.startScale = this.scale;
 786
 787             while (this.getScaleLevel() < minScale){
 788
 789                 this.scale = this.scale + 1;
 790
 791                 if(!this.zoomable()){
 792                     break;
 793                 }
 794
 795                 if(
 796                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 797                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 798                 ){
 799                     continue;
 800                 }
 801
 802                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 803
 804                 this.draw();
 805
 806                 return;
 807             }
 808
 809             this.scale = this.startScale;
 810
 811             this.onRotateFail();
 812
 813             return false;
 814         }
 815
 816         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 817
 818         if(this.isDocument){
 819             this.setThumbBoxSize();
 820             this.setThumbBoxPosition();
 821             this.setCanvasPosition();
 822         }
 823
 824         this.draw();
 825
 826         this.fireEvent('rotate', this, 'right');
 827     },
 828
 829     onRotateFail : function()
 830     {
 831         this.errorEl.show(true);
 832
 833         var _this = this;
 834
 835         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 836     },
 837
 838     draw : function()
 839     {
 840         this.previewEl.dom.innerHTML = '';
 841
 842         var canvasEl = document.createElement("canvas");
 843
 844         var contextEl = canvasEl.getContext("2d");
 845
 846         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 847         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 848         var center = this.imageEl.OriginWidth / 2;
 849
 850         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 851             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 852             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 853             center = this.imageEl.OriginHeight / 2;
 854         }
 855
 856         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 857
 858         contextEl.translate(center, center);
 859         contextEl.rotate(this.rotate * Math.PI / 180);
 860
 861         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 862
 863         this.canvasEl = document.createElement("canvas");
 864
 865         this.contextEl = this.canvasEl.getContext("2d");
 866
 867         switch (this.rotate) {
 868             case 0 :
 869
 870                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 871                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 872
 873                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 874
 875                 break;
 876             case 90 :
 877
 878                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 879                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 880
 881                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 882                     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);
 883                     break;
 884                 }
 885
 886                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 887
 888                 break;
 889             case 180 :
 890
 891                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 892                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 893
 894                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 895                     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);
 896                     break;
 897                 }
 898
 899                 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);
 900
 901                 break;
 902             case 270 :
 903
 904                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 905                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 906
 907                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 908                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 909                     break;
 910                 }
 911
 912                 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);
 913
 914                 break;
 915             default :
 916                 break;
 917         }
 918
 919         this.previewEl.appendChild(this.canvasEl);
 920
 921         this.setCanvasPosition(false);
 922     },
 923
 924     crop : function()
 925     {
 926         if(!this.canvasLoaded){
 927             return;
 928         }
 929
 930         var imageCanvas = document.createElement("canvas");
 931
 932         var imageContext = imageCanvas.getContext("2d");
 933
 934         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 935         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 936
 937         var center = imageCanvas.width / 2;
 938
 939         imageContext.translate(center, center);
 940
 941         imageContext.rotate(this.rotate * Math.PI / 180);
 942
 943         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 944
 945         var canvas = document.createElement("canvas");
 946
 947         var context = canvas.getContext("2d");
 948
 949         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 950
 951         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 952
 953         switch (this.rotate) {
 954             case 0 :
 955
 956                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 957                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 958
 959                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 960                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 961
 962                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 963                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
 964
 965                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 966                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 967
 968                 if(canvas.width > this.outputMaxWidth) {
 969                     var scale = this.outputMaxWidth / canvas.width;
 970                     canvas.width = canvas.width * scale;
 971                     canvas.height = canvas.height * scale;
 972                     context.scale(scale, scale);
 973                 }
 974
 975                 context.fillStyle = 'white';
 976                 context.fillRect(0, 0, this.thumbEl.getWidth() / this.getScaleLevel(), this.thumbEl.getHeight() / this.getScaleLevel());
 977
 978
 979                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 980
 981                 break;
 982             case 90 :
 983
 984                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 985                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 986
 987                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 988                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 989
 990                 var targetWidth = this.minWidth - 2 * x;
 991                 var targetHeight = this.minHeight - 2 * y;
 992
 993                 var scale = 1;
 994
 995                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 996                     scale = targetWidth / width;
 997                 }
 998
 999                 if(x > 0 && y == 0){
1000                     scale = targetHeight / height;
1001                 }
1002
1003                 if(x > 0 && y > 0){
1004                     scale = targetWidth / width;
1005
1006                     if(width < height){
1007                         scale = targetHeight / height;
1008                     }
1009                 }
1010
1011                 context.scale(scale, scale);
1012
1013                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1014                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1015
1016                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1017                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1018
1019                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1020
1021                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1022
1023                 break;
1024             case 180 :
1025
1026                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
1027                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
1028
1029                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1030                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1031
1032                 var targetWidth = this.minWidth - 2 * x;
1033                 var targetHeight = this.minHeight - 2 * y;
1034
1035                 var scale = 1;
1036
1037                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1038                     scale = targetWidth / width;
1039                 }
1040
1041                 if(x > 0 && y == 0){
1042                     scale = targetHeight / height;
1043                 }
1044
1045                 if(x > 0 && y > 0){
1046                     scale = targetWidth / width;
1047
1048                     if(width < height){
1049                         scale = targetHeight / height;
1050                     }
1051                 }
1052
1053                 context.scale(scale, scale);
1054
1055                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1056                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1057
1058                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1059                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1060
1061                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1062                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1063
1064                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1065
1066                 break;
1067             case 270 :
1068
1069                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1070                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1071
1072                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1073                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1074
1075                 var targetWidth = this.minWidth - 2 * x;
1076                 var targetHeight = this.minHeight - 2 * y;
1077
1078                 var scale = 1;
1079
1080                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1081                     scale = targetWidth / width;
1082                 }
1083
1084                 if(x > 0 && y == 0){
1085                     scale = targetHeight / height;
1086                 }
1087
1088                 if(x > 0 && y > 0){
1089                     scale = targetWidth / width;
1090
1091                     if(width < height){
1092                         scale = targetHeight / height;
1093                     }
1094                 }
1095
1096                 context.scale(scale, scale);
1097                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1098                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1099
1100                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1101                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1102
1103                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1104
1105                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1106
1107                 break;
1108             default :
1109                 break;
1110         }
1111
1112         this.cropData = canvas.toDataURL(this.cropType);
1113
1114         if(this.fireEvent('crop', this, this.cropData) !== false){
1115             this.process(this.file, this.cropData);
1116         }
1117
1118         return;
1119
1120     },
1121
1122     setThumbBoxSize : function()
1123     {
1124         var width, height;
1125
1126         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1127             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1128             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1129
1130             this.minWidth = width;
1131             this.minHeight = height;
1132
1133             if(this.rotate == 90 || this.rotate == 270){
1134                 this.minWidth = height;
1135                 this.minHeight = width;
1136             }
1137         }
1138
1139         height = this.windowSize;
1140         width = Math.ceil(this.minWidth * height / this.minHeight);
1141
1142         if(this.minWidth > this.minHeight){
1143             width = this.windowSize;
1144             height = Math.ceil(this.minHeight * width / this.minWidth);
1145         }
1146
1147         this.thumbEl.setStyle({
1148             width : width + 'px',
1149             height : height + 'px'
1150         });
1151
1152         return;
1153
1154     },
1155
1156     setThumbBoxPosition : function()
1157     {
1158         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1159         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1160
1161         this.thumbEl.setLeft(x);
1162         this.thumbEl.setTop(y);
1163
1164     },
1165
1166     baseRotateLevel : function()
1167     {
1168         this.baseRotate = 1;
1169
1170         if(
1171                 typeof(this.exif) != 'undefined' &&
1172                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1173                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1174         ){
1175             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1176         }
1177
1178         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1179
1180     },
1181
1182     baseScaleLevel : function()
1183     {
1184         var width, height;
1185
1186         if(this.isDocument){
1187
1188             if(this.baseRotate == 6 || this.baseRotate == 8){
1189
1190                 height = this.thumbEl.getHeight();
1191                 this.baseScale = height / this.imageEl.OriginWidth;
1192
1193                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1194                     width = this.thumbEl.getWidth();
1195                     this.baseScale = width / this.imageEl.OriginHeight;
1196                 }
1197
1198                 return;
1199             }
1200
1201             height = this.thumbEl.getHeight();
1202             this.baseScale = height / this.imageEl.OriginHeight;
1203
1204             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1205                 width = this.thumbEl.getWidth();
1206                 this.baseScale = width / this.imageEl.OriginWidth;
1207             }
1208
1209             return;
1210         }
1211
1212         if(this.baseRotate == 6 || this.baseRotate == 8){
1213
1214             width = this.thumbEl.getHeight();
1215             this.baseScale = width / this.imageEl.OriginHeight;
1216
1217             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1218                 height = this.thumbEl.getWidth();
1219                 this.baseScale = height / this.imageEl.OriginHeight;
1220             }
1221
1222             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1223                 height = this.thumbEl.getWidth();
1224                 this.baseScale = height / this.imageEl.OriginHeight;
1225
1226                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1227                     width = this.thumbEl.getHeight();
1228                     this.baseScale = width / this.imageEl.OriginWidth;
1229                 }
1230             }
1231
1232             return;
1233         }
1234
1235         width = this.thumbEl.getWidth();
1236         this.baseScale = width / this.imageEl.OriginWidth;
1237
1238         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1239             height = this.thumbEl.getHeight();
1240             this.baseScale = height / this.imageEl.OriginHeight;
1241         }
1242
1243         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1244
1245             height = this.thumbEl.getHeight();
1246             this.baseScale = height / this.imageEl.OriginHeight;
1247
1248             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1249                 width = this.thumbEl.getWidth();
1250                 this.baseScale = width / this.imageEl.OriginWidth;
1251             }
1252
1253         }
1254
1255         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1256             this.baseScale = width / this.minWidth;
1257         }
1258
1259         return;
1260     },
1261
1262     getScaleLevel : function()
1263     {
1264         return this.baseScale * Math.pow(1.02, this.scale);
1265     },
1266
1267     onTouchStart : function(e)
1268     {
1269         if(!this.canvasLoaded){
1270             this.beforeSelectFile(e);
1271             return;
1272         }
1273
1274         var touches = e.browserEvent.touches;
1275
1276         if(!touches){
1277             return;
1278         }
1279
1280         if(touches.length == 1){
1281             this.onMouseDown(e);
1282             return;
1283         }
1284
1285         if(touches.length != 2){
1286             return;
1287         }
1288
1289         var coords = [];
1290
1291         for(var i = 0, finger; finger = touches[i]; i++){
1292             coords.push(finger.pageX, finger.pageY);
1293         }
1294
1295         var x = Math.pow(coords[0] - coords[2], 2);
1296         var y = Math.pow(coords[1] - coords[3], 2);
1297
1298         this.startDistance = Math.sqrt(x + y);
1299
1300         this.startScale = this.scale;
1301
1302         this.pinching = true;
1303         this.dragable = false;
1304
1305     },
1306
1307     onTouchMove : function(e)
1308     {
1309         if(!this.pinching && !this.dragable){
1310             return;
1311         }
1312
1313         var touches = e.browserEvent.touches;
1314
1315         if(!touches){
1316             return;
1317         }
1318
1319         if(this.dragable){
1320             this.onMouseMove(e);
1321             return;
1322         }
1323
1324         var coords = [];
1325
1326         for(var i = 0, finger; finger = touches[i]; i++){
1327             coords.push(finger.pageX, finger.pageY);
1328         }
1329
1330         var x = Math.pow(coords[0] - coords[2], 2);
1331         var y = Math.pow(coords[1] - coords[3], 2);
1332
1333         this.endDistance = Math.sqrt(x + y);
1334
1335         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1336
1337         if(!this.zoomable()){
1338             this.scale = this.startScale;
1339             return;
1340         }
1341
1342         this.draw();
1343
1344     },
1345
1346     onTouchEnd : function(e)
1347     {
1348         this.pinching = false;
1349         this.dragable = false;
1350
1351     },
1352
1353     process : function(file, crop)
1354     {
1355         if(this.loadMask){
1356             this.maskEl.mask(this.loadingText);
1357         }
1358
1359         this.xhr = new XMLHttpRequest();
1360
1361         file.xhr = this.xhr;
1362
1363         this.xhr.open(this.method, this.url, true);
1364
1365         var headers = {
1366             "Accept": "application/json",
1367             "Cache-Control": "no-cache",
1368             "X-Requested-With": "XMLHttpRequest"
1369         };
1370
1371         for (var headerName in headers) {
1372             var headerValue = headers[headerName];
1373             if (headerValue) {
1374                 this.xhr.setRequestHeader(headerName, headerValue);
1375             }
1376         }
1377
1378         var _this = this;
1379
1380         this.xhr.onload = function()
1381         {
1382             _this.xhrOnLoad(_this.xhr);
1383         }
1384
1385         this.xhr.onerror = function()
1386         {
1387             _this.xhrOnError(_this.xhr);
1388         }
1389
1390         var formData = new FormData();
1391
1392         formData.append('returnHTML', 'NO');
1393
1394         if(crop){
1395             formData.append('crop', crop);
1396             var blobBin = atob(crop.split(',')[1]);
1397             var array = [];
1398             for(var i = 0; i < blobBin.length; i++) {
1399                 array.push(blobBin.charCodeAt(i));
1400             }
1401             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1402             formData.append(this.paramName, croppedFile, file.name);
1403         }
1404
1405         if(typeof(file.filename) != 'undefined'){
1406             formData.append('filename', file.filename);
1407         }
1408
1409         if(typeof(file.mimetype) != 'undefined'){
1410             formData.append('mimetype', file.mimetype);
1411         }
1412
1413         if(this.fireEvent('arrange', this, formData) != false){
1414             this.xhr.send(formData);
1415         };
1416     },
1417
1418     xhrOnLoad : function(xhr)
1419     {
1420         if(this.loadMask){
1421             this.maskEl.unmask();
1422         }
1423
1424         if (xhr.readyState !== 4) {
1425             this.fireEvent('exception', this, xhr);
1426             return;
1427         }
1428
1429         var response = Roo.decode(xhr.responseText);
1430
1431         if(!response.success){
1432             this.fireEvent('exception', this, xhr);
1433             return;
1434         }
1435
1436         var response = Roo.decode(xhr.responseText);
1437
1438         this.fireEvent('upload', this, response);
1439
1440     },
1441
1442     xhrOnError : function()
1443     {
1444         if(this.loadMask){
1445             this.maskEl.unmask();
1446         }
1447
1448         Roo.log('xhr on error');
1449
1450         var response = Roo.decode(xhr.responseText);
1451
1452         Roo.log(response);
1453
1454     },
1455
1456     prepare : function(file)
1457     {
1458         if(this.loadMask){
1459             this.maskEl.mask(this.loadingText);
1460         }
1461
1462         this.file = false;
1463         this.exif = {};
1464
1465         if(typeof(file) === 'string'){
1466             this.loadCanvas(file);
1467             return;
1468         }
1469
1470         if(!file || !this.urlAPI){
1471             return;
1472         }
1473
1474         this.file = file;
1475         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1476             this.cropType = file.type;
1477         }
1478
1479         var _this = this;
1480
1481         if(this.fireEvent('prepare', this, this.file) != false){
1482
1483             var reader = new FileReader();
1484
1485             reader.onload = function (e) {
1486                 if (e.target.error) {
1487                     Roo.log(e.target.error);
1488                     return;
1489                 }
1490
1491                 var buffer = e.target.result,
1492                     dataView = new DataView(buffer),
1493                     offset = 2,
1494                     maxOffset = dataView.byteLength - 4,
1495                     markerBytes,
1496                     markerLength;
1497
1498                 if (dataView.getUint16(0) === 0xffd8) {
1499                     while (offset < maxOffset) {
1500                         markerBytes = dataView.getUint16(offset);
1501
1502                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1503                             markerLength = dataView.getUint16(offset + 2) + 2;
1504                             if (offset + markerLength > dataView.byteLength) {
1505                                 Roo.log('Invalid meta data: Invalid segment size.');
1506                                 break;
1507                             }
1508
1509                             if(markerBytes == 0xffe1){
1510                                 _this.parseExifData(
1511                                     dataView,
1512                                     offset,
1513                                     markerLength
1514                                 );
1515                             }
1516
1517                             offset += markerLength;
1518
1519                             continue;
1520                         }
1521
1522                         break;
1523                     }
1524
1525                 }
1526
1527                 var url = _this.urlAPI.createObjectURL(_this.file);
1528
1529                 _this.loadCanvas(url);
1530
1531                 return;
1532             }
1533
1534             reader.readAsArrayBuffer(this.file);
1535
1536         }
1537
1538     },
1539
1540     parseExifData : function(dataView, offset, length)
1541     {
1542         var tiffOffset = offset + 10,
1543             littleEndian,
1544             dirOffset;
1545
1546         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1547             // No Exif data, might be XMP data instead
1548             return;
1549         }
1550
1551         // Check for the ASCII code for "Exif" (0x45786966):
1552         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1553             // No Exif data, might be XMP data instead
1554             return;
1555         }
1556         if (tiffOffset + 8 > dataView.byteLength) {
1557             Roo.log('Invalid Exif data: Invalid segment size.');
1558             return;
1559         }
1560         // Check for the two null bytes:
1561         if (dataView.getUint16(offset + 8) !== 0x0000) {
1562             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1563             return;
1564         }
1565         // Check the byte alignment:
1566         switch (dataView.getUint16(tiffOffset)) {
1567         case 0x4949:
1568             littleEndian = true;
1569             break;
1570         case 0x4D4D:
1571             littleEndian = false;
1572             break;
1573         default:
1574             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1575             return;
1576         }
1577         // Check for the TIFF tag marker (0x002A):
1578         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1579             Roo.log('Invalid Exif data: Missing TIFF marker.');
1580             return;
1581         }
1582         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1583         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1584
1585         this.parseExifTags(
1586             dataView,
1587             tiffOffset,
1588             tiffOffset + dirOffset,
1589             littleEndian
1590         );
1591     },
1592
1593     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1594     {
1595         var tagsNumber,
1596             dirEndOffset,
1597             i;
1598         if (dirOffset + 6 > dataView.byteLength) {
1599             Roo.log('Invalid Exif data: Invalid directory offset.');
1600             return;
1601         }
1602         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1603         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1604         if (dirEndOffset + 4 > dataView.byteLength) {
1605             Roo.log('Invalid Exif data: Invalid directory size.');
1606             return;
1607         }
1608         for (i = 0; i < tagsNumber; i += 1) {
1609             this.parseExifTag(
1610                 dataView,
1611                 tiffOffset,
1612                 dirOffset + 2 + 12 * i, // tag offset
1613                 littleEndian
1614             );
1615         }
1616         // Return the offset to the next directory:
1617         return dataView.getUint32(dirEndOffset, littleEndian);
1618     },
1619
1620     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1621     {
1622         var tag = dataView.getUint16(offset, littleEndian);
1623
1624         this.exif[tag] = this.getExifValue(
1625             dataView,
1626             tiffOffset,
1627             offset,
1628             dataView.getUint16(offset + 2, littleEndian), // tag type
1629             dataView.getUint32(offset + 4, littleEndian), // tag length
1630             littleEndian
1631         );
1632     },
1633
1634     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1635     {
1636         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1637             tagSize,
1638             dataOffset,
1639             values,
1640             i,
1641             str,
1642             c;
1643
1644         if (!tagType) {
1645             Roo.log('Invalid Exif data: Invalid tag type.');
1646             return;
1647         }
1648
1649         tagSize = tagType.size * length;
1650         // Determine if the value is contained in the dataOffset bytes,
1651         // or if the value at the dataOffset is a pointer to the actual data:
1652         dataOffset = tagSize > 4 ?
1653                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1654         if (dataOffset + tagSize > dataView.byteLength) {
1655             Roo.log('Invalid Exif data: Invalid data offset.');
1656             return;
1657         }
1658         if (length === 1) {
1659             return tagType.getValue(dataView, dataOffset, littleEndian);
1660         }
1661         values = [];
1662         for (i = 0; i < length; i += 1) {
1663             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1664         }
1665
1666         if (tagType.ascii) {
1667             str = '';
1668             // Concatenate the chars:
1669             for (i = 0; i < values.length; i += 1) {
1670                 c = values[i];
1671                 // Ignore the terminating NULL byte(s):
1672                 if (c === '\u0000') {
1673                     break;
1674                 }
1675                 str += c;
1676             }
1677             return str;
1678         }
1679         return values;
1680     }
1681
1682 });
1683
1684 Roo.apply(Roo.dialog.UploadCropbox, {
1685     tags : {
1686         'Orientation': 0x0112
1687     },
1688
1689     Orientation: {
1690             1: 0, //'top-left',
1691 //            2: 'top-right',
1692             3: 180, //'bottom-right',
1693 //            4: 'bottom-left',
1694 //            5: 'left-top',
1695             6: 90, //'right-top',
1696 //            7: 'right-bottom',
1697             8: 270 //'left-bottom'
1698     },
1699
1700     exifTagTypes : {
1701         // byte, 8-bit unsigned int:
1702         1: {
1703             getValue: function (dataView, dataOffset) {
1704                 return dataView.getUint8(dataOffset);
1705             },
1706             size: 1
1707         },
1708         // ascii, 8-bit byte:
1709         2: {
1710             getValue: function (dataView, dataOffset) {
1711                 return String.fromCharCode(dataView.getUint8(dataOffset));
1712             },
1713             size: 1,
1714             ascii: true
1715         },
1716         // short, 16 bit int:
1717         3: {
1718             getValue: function (dataView, dataOffset, littleEndian) {
1719                 return dataView.getUint16(dataOffset, littleEndian);
1720             },
1721             size: 2
1722         },
1723         // long, 32 bit int:
1724         4: {
1725             getValue: function (dataView, dataOffset, littleEndian) {
1726                 return dataView.getUint32(dataOffset, littleEndian);
1727             },
1728             size: 4
1729         },
1730         // rational = two long values, first is numerator, second is denominator:
1731         5: {
1732             getValue: function (dataView, dataOffset, littleEndian) {
1733                 return dataView.getUint32(dataOffset, littleEndian) /
1734                     dataView.getUint32(dataOffset + 4, littleEndian);
1735             },
1736             size: 8
1737         },
1738         // slong, 32 bit signed int:
1739         9: {
1740             getValue: function (dataView, dataOffset, littleEndian) {
1741                 return dataView.getInt32(dataOffset, littleEndian);
1742             },
1743             size: 4
1744         },
1745         // srational, two slongs, first is numerator, second is denominator:
1746         10: {
1747             getValue: function (dataView, dataOffset, littleEndian) {
1748                 return dataView.getInt32(dataOffset, littleEndian) /
1749                     dataView.getInt32(dataOffset + 4, littleEndian);
1750             },
1751             size: 8
1752         }
1753     },
1754
1755     footer : {
1756         STANDARD : [
1757             {
1758                 tag : 'div',
1759                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1760                 action : 'rotate-left',
1761                 cn : [
1762                     {
1763                         tag : 'button',
1764                         cls : 'btn btn-default',
1765                         html : '<i class="fa fa-undo"></i>'
1766                     }
1767                 ]
1768             },
1769             {
1770                 tag : 'div',
1771                 cls : 'btn-group roo-upload-cropbox-picture',
1772                 action : 'picture',
1773                 cn : [
1774                     {
1775                         tag : 'button',
1776                         cls : 'btn btn-default',
1777                         html : '<i class="fa fa-picture-o"></i>'
1778                     }
1779                 ]
1780             },
1781             {
1782                 tag : 'div',
1783                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1784                 action : 'rotate-right',
1785                 cn : [
1786                     {
1787                         tag : 'button',
1788                         cls : 'btn btn-default',
1789                         html : '<i class="fa fa-repeat"></i>'
1790                     }
1791                 ]
1792             }
1793         ],
1794         DOCUMENT : [
1795             {
1796                 tag : 'div',
1797                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1798                 action : 'rotate-left',
1799                 cn : [
1800                     {
1801                         tag : 'button',
1802                         cls : 'btn btn-default',
1803                         html : '<i class="fa fa-undo"></i>'
1804                     }
1805                 ]
1806             },
1807             {
1808                 tag : 'div',
1809                 cls : 'btn-group roo-upload-cropbox-download',
1810                 action : 'download',
1811                 cn : [
1812                     {
1813                         tag : 'button',
1814                         cls : 'btn btn-default',
1815                         html : '<i class="fa fa-download"></i>'
1816                     }
1817                 ]
1818             },
1819             {
1820                 tag : 'div',
1821                 cls : 'btn-group roo-upload-cropbox-crop',
1822                 action : 'crop',
1823                 cn : [
1824                     {
1825                         tag : 'button',
1826                         cls : 'btn btn-default',
1827                         html : '<i class="fa fa-crop"></i>'
1828                     }
1829                 ]
1830             },
1831             {
1832                 tag : 'div',
1833                 cls : 'btn-group roo-upload-cropbox-trash',
1834                 action : 'trash',
1835                 cn : [
1836                     {
1837                         tag : 'button',
1838                         cls : 'btn btn-default',
1839                         html : '<i class="fa fa-trash"></i>'
1840                     }
1841                 ]
1842             },
1843             {
1844                 tag : 'div',
1845                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1846                 action : 'rotate-right',
1847                 cn : [
1848                     {
1849                         tag : 'button',
1850                         cls : 'btn btn-default',
1851                         html : '<i class="fa fa-repeat"></i>'
1852                     }
1853                 ]
1854             }
1855         ],
1856         ROTATOR : [
1857             {
1858                 tag : 'div',
1859                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1860                 action : 'rotate-left',
1861                 cn : [
1862                     {
1863                         tag : 'button',
1864                         cls : 'btn btn-default',
1865                         html : '<i class="fa fa-undo"></i>'
1866                     }
1867                 ]
1868             },
1869             {
1870                 tag : 'div',
1871                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1872                 action : 'rotate-right',
1873                 cn : [
1874                     {
1875                         tag : 'button',
1876                         cls : 'btn btn-default',
1877                         html : '<i class="fa fa-repeat"></i>'
1878                     }
1879                 ]
1880             }
1881         ],
1882         CENTER : [
1883             {
1884                 tag : 'div',
1885                 cls : 'btn-group roo-upload-cropbox-center',
1886                 action : 'center',
1887                 cn : [
1888                     {
1889                         tag : 'button',
1890                         cls : 'btn btn-default',
1891                         html : 'CENTER'
1892                     }
1893                 ]
1894             }
1895         ]
1896     }
1897 });