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         if(this.fireEvent('inspect', this, file) != false){
 406             this.prepare(file);
 407         }
 408
 409     },
 410
 411     trash : function(e)
 412     {
 413         this.fireEvent('trash', this);
 414     },
 415
 416     download : function(e)
 417     {
 418         this.fireEvent('download', this);
 419     },
 420
 421     center : function(e)
 422     {
 423         this.setCanvasPosition();
 424     },
 425
 426     loadCanvas : function(src)
 427     {
 428         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 429
 430             this.reset();
 431
 432             this.imageEl = document.createElement('img');
 433
 434             var _this = this;
 435
 436             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 437
 438             this.imageEl.src = src;
 439         }
 440     },
 441
 442     onLoadCanvas : function()
 443     {
 444         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 445         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 446
 447         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 448
 449             this.bodyEl.un('click', this.beforeSelectFile, this);
 450
 451             this.notifyEl.hide();
 452             this.thumbEl.show();
 453             this.footerEl.show();
 454
 455             this.baseRotateLevel();
 456
 457             if(this.isDocument){
 458                 this.setThumbBoxSize();
 459             }
 460
 461             this.setThumbBoxPosition();
 462
 463             this.baseScaleLevel();
 464
 465             this.draw();
 466
 467             this.resize();
 468
 469             this.canvasLoaded = true;
 470
 471         }
 472
 473         if(this.loadMask){
 474             this.maskEl.unmask();
 475         }
 476
 477     },
 478
 479     setCanvasPosition : function(center = true)
 480     {
 481         if(!this.canvasEl){
 482             return;
 483         }
 484
 485         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 486         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 487
 488         if(center) {
 489             this.previewEl.setLeft(newCenterLeft);
 490             this.previewEl.setTop(newCenterTop);
 491
 492             return;
 493         }
 494
 495         var oldScaleLevel = this.baseScale * Math.pow(1.02, this.startScale);
 496         var oldCanvasWidth = Math.floor(this.imageEl.OriginWidth * oldScaleLevel);
 497         var oldCanvasHeight = Math.floor(this.imageEl.OriginHeight * oldScaleLevel);
 498
 499         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - oldCanvasWidth) / 2);
 500         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - oldCanvasHeight) / 2);
 501
 502         var leftDiff = newCenterLeft - oldCenterLeft;
 503         var topDiff = newCenterTop - oldCenterTop;
 504
 505         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 506         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 507
 508         this.previewEl.setLeft(newPreviewLeft);
 509         this.previewEl.setTop(newPreviewTop);
 510
 511     },
 512
 513     onMouseDown : function(e)
 514     {
 515         e.stopEvent();
 516
 517         this.dragable = true;
 518         this.pinching = false;
 519
 520         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 521             this.dragable = false;
 522             return;
 523         }
 524
 525         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 526         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 527
 528     },
 529
 530     onMouseMove : function(e)
 531     {
 532         e.stopEvent();
 533
 534         if(!this.canvasLoaded){
 535             return;
 536         }
 537
 538         if (!this.dragable){
 539             return;
 540         }
 541
 542         var maxPaddingLeft = this.canvasEl.width / 0.9 * 0.05;
 543         var maxPaddingTop = maxPaddingLeft * this.minHeight / this.minWidth;
 544
 545         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 546             maxPaddingLeft = (this.canvasEl.height * this.minWidth / this.minHeight - this.canvasEl.width) / 2 + maxPaddingLeft;
 547         }
 548
 549         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 550             maxPaddingTop = (this.canvasEl.width * this.minHeight / this.minWidth - this.canvasEl.height) / 2 + maxPaddingTop;
 551         }
 552
 553         var minX = Math.ceil(this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - this.canvasEl.width - maxPaddingLeft);
 554         var minY = Math.ceil(this.thumbEl.getTop(true) + this.thumbEl.getHeight() - this.canvasEl.height - maxPaddingTop);
 555
 556         var maxX = Math.ceil(this.thumbEl.getLeft(true) + maxPaddingLeft);
 557         var maxY = Math.ceil(this.thumbEl.getTop(true) +  maxPaddingTop);
 558
 559         if(minX > maxX) {
 560             var tempX = minX;
 561             minX = maxX;
 562             maxX = tempX;
 563         }
 564
 565         if(minY > maxY) {
 566             var tempY = minY;
 567             minY = maxY;
 568             maxY = tempY;
 569         }
 570
 571         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 572         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 573
 574         x = x - this.mouseX;
 575         y = y - this.mouseY;
 576
 577         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 578         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 579
 580         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 581         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 582
 583         this.previewEl.setLeft(bgX);
 584         this.previewEl.setTop(bgY);
 585
 586         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 587         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 588     },
 589
 590     onMouseUp : function(e)
 591     {
 592         e.stopEvent();
 593
 594         this.dragable = false;
 595     },
 596
 597     onMouseWheel : function(e)
 598     {
 599         e.stopEvent();
 600
 601         this.startScale = this.scale;
 602         this.scale = (e.getWheelDelta() > 0) ? (this.scale + 1) : (this.scale - 1);
 603
 604         if(!this.zoomable()){
 605             this.scale = this.startScale;
 606             return;
 607         }
 608
 609
 610         this.draw();
 611
 612         return;
 613     },
 614
 615     zoomable : function()
 616     {
 617         var minScale = this.thumbEl.getWidth() / this.minWidth;
 618
 619         if(this.minWidth < this.minHeight){
 620             minScale = this.thumbEl.getHeight() / this.minHeight;
 621         }
 622
 623         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 624         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 625
 626         var maxWidth = this.imageEl.OriginWidth;
 627         var maxHeight = this.imageEl.OriginHeight;
 628
 629
 630         var newCanvasWidth = Math.floor(this.imageEl.OriginWidth * this.getScaleLevel());
 631         var newCanvasHeight = Math.floor(this.imageEl.OriginHeight * this.getScaleLevel());
 632
 633         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 634         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 635
 636         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - newCanvasWidth) / 2);
 637         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - newCanvasHeight) / 2);
 638
 639         var leftDiff = newCenterLeft - oldCenterLeft;
 640         var topDiff = newCenterTop - oldCenterTop;
 641
 642         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 643         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 644
 645         var paddingLeft = newPreviewLeft - this.thumbEl.getLeft(true);
 646         var paddingTop = newPreviewTop - this.thumbEl.getTop(true);
 647
 648         var paddingRight = this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - newCanvasWidth - newPreviewLeft;
 649         var paddingBottom = this.thumbEl.getTop(true) + this.thumbEl.getHeight() - newCanvasHeight - newPreviewTop;
 650
 651         var maxPaddingLeft = newCanvasWidth / 0.9 * 0.05;
 652         var maxPaddingTop = maxPaddingLeft * this.minHeight / this.minWidth;
 653
 654         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 655             maxPaddingLeft = (newCanvasHeight * this.minWidth / this.minHeight - newCanvasWidth) / 2 + maxPaddingLeft;
 656         }
 657
 658         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 659             maxPaddingTop = (newCanvasWidth * this.minHeight / this.minWidth - newCanvasHeight) / 2 + maxPaddingTop;
 660         }
 661
 662         if(
 663                 this.isDocument &&
 664                 (this.rotate == 0 || this.rotate == 180) &&
 665                 (
 666                     width > this.imageEl.OriginWidth ||
 667                     height > this.imageEl.OriginHeight ||
 668                     (width < this.minWidth && height < this.minHeight)
 669                 )
 670         ){
 671             return false;
 672         }
 673
 674         if(
 675                 this.isDocument &&
 676                 (this.rotate == 90 || this.rotate == 270) &&
 677                 (
 678                     width > this.imageEl.OriginWidth ||
 679                     height > this.imageEl.OriginHeight ||
 680                     (width < this.minHeight && height < this.minWidth)
 681                 )
 682         ){
 683             return false;
 684         }
 685
 686         if(
 687                 !this.isDocument &&
 688                 (this.rotate == 0 || this.rotate == 180) &&
 689                 (
 690                     // for zoom out
 691                     paddingLeft > maxPaddingLeft ||
 692                     paddingRight > maxPaddingLeft ||
 693                     paddingTop > maxPaddingTop ||
 694                     paddingBottom > maxPaddingTop ||
 695                     // for zoom in
 696                     width > maxWidth ||
 697                     height > maxHeight
 698                 )
 699         ){
 700             return false;
 701         }
 702
 703         if(
 704                 !this.isDocument &&
 705                 (this.rotate == 90 || this.rotate == 270) &&
 706                 (
 707                     width < this.minHeight ||
 708                     width > this.imageEl.OriginWidth ||
 709                     height < this.minWidth ||
 710                     height > this.imageEl.OriginHeight
 711                 )
 712         ){
 713             return false;
 714         }
 715
 716         return true;
 717
 718     },
 719
 720     onRotateLeft : function(e)
 721     {
 722         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 723
 724             var minScale = this.thumbEl.getWidth() / this.minWidth;
 725
 726             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 727             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 728
 729             this.startScale = this.scale;
 730
 731             while (this.getScaleLevel() < minScale){
 732
 733                 this.scale = this.scale + 1;
 734
 735                 if(!this.zoomable()){
 736                     break;
 737                 }
 738
 739                 if(
 740                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 741                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 742                 ){
 743                     continue;
 744                 }
 745
 746                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 747
 748                 this.draw();
 749
 750                 return;
 751             }
 752
 753             this.scale = this.startScale;
 754
 755             this.onRotateFail();
 756
 757             return false;
 758         }
 759
 760         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 761
 762         if(this.isDocument){
 763             this.setThumbBoxSize();
 764             this.setThumbBoxPosition();
 765             this.setCanvasPosition();
 766         }
 767
 768         this.draw();
 769
 770         this.fireEvent('rotate', this, 'left');
 771
 772     },
 773
 774     onRotateRight : function(e)
 775     {
 776         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 777
 778             var minScale = this.thumbEl.getWidth() / this.minWidth;
 779
 780             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 781             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 782
 783             this.startScale = this.scale;
 784
 785             while (this.getScaleLevel() < minScale){
 786
 787                 this.scale = this.scale + 1;
 788
 789                 if(!this.zoomable()){
 790                     break;
 791                 }
 792
 793                 if(
 794                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 795                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 796                 ){
 797                     continue;
 798                 }
 799
 800                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 801
 802                 this.draw();
 803
 804                 return;
 805             }
 806
 807             this.scale = this.startScale;
 808
 809             this.onRotateFail();
 810
 811             return false;
 812         }
 813
 814         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 815
 816         if(this.isDocument){
 817             this.setThumbBoxSize();
 818             this.setThumbBoxPosition();
 819             this.setCanvasPosition();
 820         }
 821
 822         this.draw();
 823
 824         this.fireEvent('rotate', this, 'right');
 825     },
 826
 827     onRotateFail : function()
 828     {
 829         this.errorEl.show(true);
 830
 831         var _this = this;
 832
 833         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 834     },
 835
 836     draw : function()
 837     {
 838         this.previewEl.dom.innerHTML = '';
 839
 840         var canvasEl = document.createElement("canvas");
 841
 842         var contextEl = canvasEl.getContext("2d");
 843
 844         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 845         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 846         var center = this.imageEl.OriginWidth / 2;
 847
 848         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 849             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 850             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 851             center = this.imageEl.OriginHeight / 2;
 852         }
 853
 854         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 855
 856         contextEl.translate(center, center);
 857         contextEl.rotate(this.rotate * Math.PI / 180);
 858
 859         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 860
 861         this.canvasEl = document.createElement("canvas");
 862
 863         this.contextEl = this.canvasEl.getContext("2d");
 864
 865         switch (this.rotate) {
 866             case 0 :
 867
 868                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 869                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 870
 871                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 872
 873                 break;
 874             case 90 :
 875
 876                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 877                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 878
 879                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 880                     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);
 881                     break;
 882                 }
 883
 884                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 885
 886                 break;
 887             case 180 :
 888
 889                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 890                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 891
 892                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 893                     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);
 894                     break;
 895                 }
 896
 897                 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);
 898
 899                 break;
 900             case 270 :
 901
 902                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 903                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 904
 905                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 906                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 907                     break;
 908                 }
 909
 910                 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);
 911
 912                 break;
 913             default :
 914                 break;
 915         }
 916
 917         this.previewEl.appendChild(this.canvasEl);
 918
 919         this.setCanvasPosition(false);
 920     },
 921
 922     crop : function()
 923     {
 924         if(!this.canvasLoaded){
 925             return;
 926         }
 927
 928         var imageCanvas = document.createElement("canvas");
 929
 930         var imageContext = imageCanvas.getContext("2d");
 931
 932         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 933         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 934
 935         var center = imageCanvas.width / 2;
 936
 937         imageContext.translate(center, center);
 938
 939         imageContext.rotate(this.rotate * Math.PI / 180);
 940
 941         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 942
 943         var canvas = document.createElement("canvas");
 944
 945         var context = canvas.getContext("2d");
 946
 947         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 948
 949         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 950
 951         switch (this.rotate) {
 952             case 0 :
 953
 954                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 955                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 956
 957                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 958                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 959
 960                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 961                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
 962
 963                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 964                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 965
 966                 if(canvas.width > this.outputMaxWidth) {
 967                     var scale = this.outputMaxWidth / canvas.width;
 968                     canvas.width = canvas.width * scale;
 969                     canvas.height = canvas.height * scale;
 970                     context.scale(scale, scale);
 971                 }
 972
 973                 context.fillStyle = 'white';
 974                 context.fillRect(0, 0, this.thumbEl.getWidth() / this.getScaleLevel(), this.thumbEl.getHeight() / this.getScaleLevel());
 975
 976
 977                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 978
 979                 break;
 980             case 90 :
 981
 982                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 983                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 984
 985                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 986                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 987
 988                 var targetWidth = this.minWidth - 2 * x;
 989                 var targetHeight = this.minHeight - 2 * y;
 990
 991                 var scale = 1;
 992
 993                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 994                     scale = targetWidth / width;
 995                 }
 996
 997                 if(x > 0 && y == 0){
 998                     scale = targetHeight / height;
 999                 }
1000
1001                 if(x > 0 && y > 0){
1002                     scale = targetWidth / width;
1003
1004                     if(width < height){
1005                         scale = targetHeight / height;
1006                     }
1007                 }
1008
1009                 context.scale(scale, scale);
1010
1011                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1012                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1013
1014                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1015                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1016
1017                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1018
1019                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1020
1021                 break;
1022             case 180 :
1023
1024                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
1025                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
1026
1027                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1028                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1029
1030                 var targetWidth = this.minWidth - 2 * x;
1031                 var targetHeight = this.minHeight - 2 * y;
1032
1033                 var scale = 1;
1034
1035                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1036                     scale = targetWidth / width;
1037                 }
1038
1039                 if(x > 0 && y == 0){
1040                     scale = targetHeight / height;
1041                 }
1042
1043                 if(x > 0 && y > 0){
1044                     scale = targetWidth / width;
1045
1046                     if(width < height){
1047                         scale = targetHeight / height;
1048                     }
1049                 }
1050
1051                 context.scale(scale, scale);
1052
1053                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1054                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1055
1056                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1057                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1058
1059                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1060                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1061
1062                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1063
1064                 break;
1065             case 270 :
1066
1067                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1068                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1069
1070                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1071                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1072
1073                 var targetWidth = this.minWidth - 2 * x;
1074                 var targetHeight = this.minHeight - 2 * y;
1075
1076                 var scale = 1;
1077
1078                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1079                     scale = targetWidth / width;
1080                 }
1081
1082                 if(x > 0 && y == 0){
1083                     scale = targetHeight / height;
1084                 }
1085
1086                 if(x > 0 && y > 0){
1087                     scale = targetWidth / width;
1088
1089                     if(width < height){
1090                         scale = targetHeight / height;
1091                     }
1092                 }
1093
1094                 context.scale(scale, scale);
1095                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1096                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1097
1098                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1099                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1100
1101                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1102
1103                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1104
1105                 break;
1106             default :
1107                 break;
1108         }
1109
1110         this.cropData = canvas.toDataURL(this.cropType);
1111
1112         if(this.fireEvent('crop', this, this.cropData) !== false){
1113             this.process(this.file, this.cropData);
1114         }
1115
1116         return;
1117
1118     },
1119
1120     setThumbBoxSize : function()
1121     {
1122         var width, height;
1123
1124         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1125             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1126             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1127
1128             this.minWidth = width;
1129             this.minHeight = height;
1130
1131             if(this.rotate == 90 || this.rotate == 270){
1132                 this.minWidth = height;
1133                 this.minHeight = width;
1134             }
1135         }
1136
1137         height = this.windowSize;
1138         width = Math.ceil(this.minWidth * height / this.minHeight);
1139
1140         if(this.minWidth > this.minHeight){
1141             width = this.windowSize;
1142             height = Math.ceil(this.minHeight * width / this.minWidth);
1143         }
1144
1145         this.thumbEl.setStyle({
1146             width : width + 'px',
1147             height : height + 'px'
1148         });
1149
1150         return;
1151
1152     },
1153
1154     setThumbBoxPosition : function()
1155     {
1156         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1157         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1158
1159         this.thumbEl.setLeft(x);
1160         this.thumbEl.setTop(y);
1161
1162     },
1163
1164     baseRotateLevel : function()
1165     {
1166         this.baseRotate = 1;
1167
1168         if(
1169                 typeof(this.exif) != 'undefined' &&
1170                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1171                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1172         ){
1173             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1174         }
1175
1176         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1177
1178     },
1179
1180     baseScaleLevel : function()
1181     {
1182         var width, height;
1183
1184         if(this.isDocument){
1185
1186             if(this.baseRotate == 6 || this.baseRotate == 8){
1187
1188                 height = this.thumbEl.getHeight();
1189                 this.baseScale = height / this.imageEl.OriginWidth;
1190
1191                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1192                     width = this.thumbEl.getWidth();
1193                     this.baseScale = width / this.imageEl.OriginHeight;
1194                 }
1195
1196                 return;
1197             }
1198
1199             height = this.thumbEl.getHeight();
1200             this.baseScale = height / this.imageEl.OriginHeight;
1201
1202             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1203                 width = this.thumbEl.getWidth();
1204                 this.baseScale = width / this.imageEl.OriginWidth;
1205             }
1206
1207             return;
1208         }
1209
1210         if(this.baseRotate == 6 || this.baseRotate == 8){
1211
1212             width = this.thumbEl.getHeight();
1213             this.baseScale = width / this.imageEl.OriginHeight;
1214
1215             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1216                 height = this.thumbEl.getWidth();
1217                 this.baseScale = height / this.imageEl.OriginHeight;
1218             }
1219
1220             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1221                 height = this.thumbEl.getWidth();
1222                 this.baseScale = height / this.imageEl.OriginHeight;
1223
1224                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1225                     width = this.thumbEl.getHeight();
1226                     this.baseScale = width / this.imageEl.OriginWidth;
1227                 }
1228             }
1229
1230             return;
1231         }
1232
1233         width = this.thumbEl.getWidth();
1234         this.baseScale = width / this.imageEl.OriginWidth;
1235
1236         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1237             height = this.thumbEl.getHeight();
1238             this.baseScale = height / this.imageEl.OriginHeight;
1239         }
1240
1241         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1242
1243             height = this.thumbEl.getHeight();
1244             this.baseScale = height / this.imageEl.OriginHeight;
1245
1246             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1247                 width = this.thumbEl.getWidth();
1248                 this.baseScale = width / this.imageEl.OriginWidth;
1249             }
1250
1251         }
1252
1253         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1254             this.baseScale = width / this.minWidth;
1255         }
1256
1257         return;
1258     },
1259
1260     getScaleLevel : function()
1261     {
1262         return this.baseScale * Math.pow(1.02, this.scale);
1263     },
1264
1265     onTouchStart : function(e)
1266     {
1267         if(!this.canvasLoaded){
1268             this.beforeSelectFile(e);
1269             return;
1270         }
1271
1272         var touches = e.browserEvent.touches;
1273
1274         if(!touches){
1275             return;
1276         }
1277
1278         if(touches.length == 1){
1279             this.onMouseDown(e);
1280             return;
1281         }
1282
1283         if(touches.length != 2){
1284             return;
1285         }
1286
1287         var coords = [];
1288
1289         for(var i = 0, finger; finger = touches[i]; i++){
1290             coords.push(finger.pageX, finger.pageY);
1291         }
1292
1293         var x = Math.pow(coords[0] - coords[2], 2);
1294         var y = Math.pow(coords[1] - coords[3], 2);
1295
1296         this.startDistance = Math.sqrt(x + y);
1297
1298         this.startScale = this.scale;
1299
1300         this.pinching = true;
1301         this.dragable = false;
1302
1303     },
1304
1305     onTouchMove : function(e)
1306     {
1307         if(!this.pinching && !this.dragable){
1308             return;
1309         }
1310
1311         var touches = e.browserEvent.touches;
1312
1313         if(!touches){
1314             return;
1315         }
1316
1317         if(this.dragable){
1318             this.onMouseMove(e);
1319             return;
1320         }
1321
1322         var coords = [];
1323
1324         for(var i = 0, finger; finger = touches[i]; i++){
1325             coords.push(finger.pageX, finger.pageY);
1326         }
1327
1328         var x = Math.pow(coords[0] - coords[2], 2);
1329         var y = Math.pow(coords[1] - coords[3], 2);
1330
1331         this.endDistance = Math.sqrt(x + y);
1332
1333         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1334
1335         if(!this.zoomable()){
1336             this.scale = this.startScale;
1337             return;
1338         }
1339
1340         this.draw();
1341
1342     },
1343
1344     onTouchEnd : function(e)
1345     {
1346         this.pinching = false;
1347         this.dragable = false;
1348
1349     },
1350
1351     process : function(file, crop)
1352     {
1353         if(this.loadMask){
1354             this.maskEl.mask(this.loadingText);
1355         }
1356
1357         this.xhr = new XMLHttpRequest();
1358
1359         file.xhr = this.xhr;
1360
1361         this.xhr.open(this.method, this.url, true);
1362
1363         var headers = {
1364             "Accept": "application/json",
1365             "Cache-Control": "no-cache",
1366             "X-Requested-With": "XMLHttpRequest"
1367         };
1368
1369         for (var headerName in headers) {
1370             var headerValue = headers[headerName];
1371             if (headerValue) {
1372                 this.xhr.setRequestHeader(headerName, headerValue);
1373             }
1374         }
1375
1376         var _this = this;
1377
1378         this.xhr.onload = function()
1379         {
1380             _this.xhrOnLoad(_this.xhr);
1381         }
1382
1383         this.xhr.onerror = function()
1384         {
1385             _this.xhrOnError(_this.xhr);
1386         }
1387
1388         var formData = new FormData();
1389
1390         formData.append('returnHTML', 'NO');
1391
1392         if(crop){
1393             formData.append('crop', crop);
1394             var blobBin = atob(crop.split(',')[1]);
1395             var array = [];
1396             for(var i = 0; i < blobBin.length; i++) {
1397                 array.push(blobBin.charCodeAt(i));
1398             }
1399             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1400             formData.append(this.paramName, croppedFile, file.name);
1401         }
1402
1403         if(typeof(file.filename) != 'undefined'){
1404             formData.append('filename', file.filename);
1405         }
1406
1407         if(typeof(file.mimetype) != 'undefined'){
1408             formData.append('mimetype', file.mimetype);
1409         }
1410
1411         if(this.fireEvent('arrange', this, formData) != false){
1412             this.xhr.send(formData);
1413         };
1414     },
1415
1416     xhrOnLoad : function(xhr)
1417     {
1418         if(this.loadMask){
1419             this.maskEl.unmask();
1420         }
1421
1422         if (xhr.readyState !== 4) {
1423             this.fireEvent('exception', this, xhr);
1424             return;
1425         }
1426
1427         var response = Roo.decode(xhr.responseText);
1428
1429         if(!response.success){
1430             this.fireEvent('exception', this, xhr);
1431             return;
1432         }
1433
1434         var response = Roo.decode(xhr.responseText);
1435
1436         this.fireEvent('upload', this, response);
1437
1438     },
1439
1440     xhrOnError : function()
1441     {
1442         if(this.loadMask){
1443             this.maskEl.unmask();
1444         }
1445
1446         Roo.log('xhr on error');
1447
1448         var response = Roo.decode(xhr.responseText);
1449
1450         Roo.log(response);
1451
1452     },
1453
1454     prepare : function(file)
1455     {
1456         if(this.loadMask){
1457             this.maskEl.mask(this.loadingText);
1458         }
1459
1460         this.file = false;
1461         this.exif = {};
1462
1463         if(typeof(file) === 'string'){
1464             this.loadCanvas(file);
1465             return;
1466         }
1467
1468         if(!file || !this.urlAPI){
1469             return;
1470         }
1471
1472         this.file = file;
1473         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1474             this.cropType = file.type;
1475         }
1476
1477         var _this = this;
1478
1479         if(this.fireEvent('prepare', this, this.file) != false){
1480
1481             var reader = new FileReader();
1482
1483             reader.onload = function (e) {
1484                 if (e.target.error) {
1485                     Roo.log(e.target.error);
1486                     return;
1487                 }
1488
1489                 var buffer = e.target.result,
1490                     dataView = new DataView(buffer),
1491                     offset = 2,
1492                     maxOffset = dataView.byteLength - 4,
1493                     markerBytes,
1494                     markerLength;
1495
1496                 if (dataView.getUint16(0) === 0xffd8) {
1497                     while (offset < maxOffset) {
1498                         markerBytes = dataView.getUint16(offset);
1499
1500                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1501                             markerLength = dataView.getUint16(offset + 2) + 2;
1502                             if (offset + markerLength > dataView.byteLength) {
1503                                 Roo.log('Invalid meta data: Invalid segment size.');
1504                                 break;
1505                             }
1506
1507                             if(markerBytes == 0xffe1){
1508                                 _this.parseExifData(
1509                                     dataView,
1510                                     offset,
1511                                     markerLength
1512                                 );
1513                             }
1514
1515                             offset += markerLength;
1516
1517                             continue;
1518                         }
1519
1520                         break;
1521                     }
1522
1523                 }
1524
1525                 var url = _this.urlAPI.createObjectURL(_this.file);
1526
1527                 _this.loadCanvas(url);
1528
1529                 return;
1530             }
1531
1532             reader.readAsArrayBuffer(this.file);
1533
1534         }
1535
1536     },
1537
1538     parseExifData : function(dataView, offset, length)
1539     {
1540         var tiffOffset = offset + 10,
1541             littleEndian,
1542             dirOffset;
1543
1544         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1545             // No Exif data, might be XMP data instead
1546             return;
1547         }
1548
1549         // Check for the ASCII code for "Exif" (0x45786966):
1550         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1551             // No Exif data, might be XMP data instead
1552             return;
1553         }
1554         if (tiffOffset + 8 > dataView.byteLength) {
1555             Roo.log('Invalid Exif data: Invalid segment size.');
1556             return;
1557         }
1558         // Check for the two null bytes:
1559         if (dataView.getUint16(offset + 8) !== 0x0000) {
1560             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1561             return;
1562         }
1563         // Check the byte alignment:
1564         switch (dataView.getUint16(tiffOffset)) {
1565         case 0x4949:
1566             littleEndian = true;
1567             break;
1568         case 0x4D4D:
1569             littleEndian = false;
1570             break;
1571         default:
1572             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1573             return;
1574         }
1575         // Check for the TIFF tag marker (0x002A):
1576         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1577             Roo.log('Invalid Exif data: Missing TIFF marker.');
1578             return;
1579         }
1580         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1581         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1582
1583         this.parseExifTags(
1584             dataView,
1585             tiffOffset,
1586             tiffOffset + dirOffset,
1587             littleEndian
1588         );
1589     },
1590
1591     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1592     {
1593         var tagsNumber,
1594             dirEndOffset,
1595             i;
1596         if (dirOffset + 6 > dataView.byteLength) {
1597             Roo.log('Invalid Exif data: Invalid directory offset.');
1598             return;
1599         }
1600         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1601         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1602         if (dirEndOffset + 4 > dataView.byteLength) {
1603             Roo.log('Invalid Exif data: Invalid directory size.');
1604             return;
1605         }
1606         for (i = 0; i < tagsNumber; i += 1) {
1607             this.parseExifTag(
1608                 dataView,
1609                 tiffOffset,
1610                 dirOffset + 2 + 12 * i, // tag offset
1611                 littleEndian
1612             );
1613         }
1614         // Return the offset to the next directory:
1615         return dataView.getUint32(dirEndOffset, littleEndian);
1616     },
1617
1618     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1619     {
1620         var tag = dataView.getUint16(offset, littleEndian);
1621
1622         this.exif[tag] = this.getExifValue(
1623             dataView,
1624             tiffOffset,
1625             offset,
1626             dataView.getUint16(offset + 2, littleEndian), // tag type
1627             dataView.getUint32(offset + 4, littleEndian), // tag length
1628             littleEndian
1629         );
1630     },
1631
1632     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1633     {
1634         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1635             tagSize,
1636             dataOffset,
1637             values,
1638             i,
1639             str,
1640             c;
1641
1642         if (!tagType) {
1643             Roo.log('Invalid Exif data: Invalid tag type.');
1644             return;
1645         }
1646
1647         tagSize = tagType.size * length;
1648         // Determine if the value is contained in the dataOffset bytes,
1649         // or if the value at the dataOffset is a pointer to the actual data:
1650         dataOffset = tagSize > 4 ?
1651                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1652         if (dataOffset + tagSize > dataView.byteLength) {
1653             Roo.log('Invalid Exif data: Invalid data offset.');
1654             return;
1655         }
1656         if (length === 1) {
1657             return tagType.getValue(dataView, dataOffset, littleEndian);
1658         }
1659         values = [];
1660         for (i = 0; i < length; i += 1) {
1661             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1662         }
1663
1664         if (tagType.ascii) {
1665             str = '';
1666             // Concatenate the chars:
1667             for (i = 0; i < values.length; i += 1) {
1668                 c = values[i];
1669                 // Ignore the terminating NULL byte(s):
1670                 if (c === '\u0000') {
1671                     break;
1672                 }
1673                 str += c;
1674             }
1675             return str;
1676         }
1677         return values;
1678     }
1679
1680 });
1681
1682 Roo.apply(Roo.dialog.UploadCropbox, {
1683     tags : {
1684         'Orientation': 0x0112
1685     },
1686
1687     Orientation: {
1688             1: 0, //'top-left',
1689 //            2: 'top-right',
1690             3: 180, //'bottom-right',
1691 //            4: 'bottom-left',
1692 //            5: 'left-top',
1693             6: 90, //'right-top',
1694 //            7: 'right-bottom',
1695             8: 270 //'left-bottom'
1696     },
1697
1698     exifTagTypes : {
1699         // byte, 8-bit unsigned int:
1700         1: {
1701             getValue: function (dataView, dataOffset) {
1702                 return dataView.getUint8(dataOffset);
1703             },
1704             size: 1
1705         },
1706         // ascii, 8-bit byte:
1707         2: {
1708             getValue: function (dataView, dataOffset) {
1709                 return String.fromCharCode(dataView.getUint8(dataOffset));
1710             },
1711             size: 1,
1712             ascii: true
1713         },
1714         // short, 16 bit int:
1715         3: {
1716             getValue: function (dataView, dataOffset, littleEndian) {
1717                 return dataView.getUint16(dataOffset, littleEndian);
1718             },
1719             size: 2
1720         },
1721         // long, 32 bit int:
1722         4: {
1723             getValue: function (dataView, dataOffset, littleEndian) {
1724                 return dataView.getUint32(dataOffset, littleEndian);
1725             },
1726             size: 4
1727         },
1728         // rational = two long values, first is numerator, second is denominator:
1729         5: {
1730             getValue: function (dataView, dataOffset, littleEndian) {
1731                 return dataView.getUint32(dataOffset, littleEndian) /
1732                     dataView.getUint32(dataOffset + 4, littleEndian);
1733             },
1734             size: 8
1735         },
1736         // slong, 32 bit signed int:
1737         9: {
1738             getValue: function (dataView, dataOffset, littleEndian) {
1739                 return dataView.getInt32(dataOffset, littleEndian);
1740             },
1741             size: 4
1742         },
1743         // srational, two slongs, first is numerator, second is denominator:
1744         10: {
1745             getValue: function (dataView, dataOffset, littleEndian) {
1746                 return dataView.getInt32(dataOffset, littleEndian) /
1747                     dataView.getInt32(dataOffset + 4, littleEndian);
1748             },
1749             size: 8
1750         }
1751     },
1752
1753     footer : {
1754         STANDARD : [
1755             {
1756                 tag : 'div',
1757                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1758                 action : 'rotate-left',
1759                 cn : [
1760                     {
1761                         tag : 'button',
1762                         cls : 'btn btn-default',
1763                         html : '<i class="fa fa-undo"></i>'
1764                     }
1765                 ]
1766             },
1767             {
1768                 tag : 'div',
1769                 cls : 'btn-group roo-upload-cropbox-picture',
1770                 action : 'picture',
1771                 cn : [
1772                     {
1773                         tag : 'button',
1774                         cls : 'btn btn-default',
1775                         html : '<i class="fa fa-picture-o"></i>'
1776                     }
1777                 ]
1778             },
1779             {
1780                 tag : 'div',
1781                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1782                 action : 'rotate-right',
1783                 cn : [
1784                     {
1785                         tag : 'button',
1786                         cls : 'btn btn-default',
1787                         html : '<i class="fa fa-repeat"></i>'
1788                     }
1789                 ]
1790             }
1791         ],
1792         DOCUMENT : [
1793             {
1794                 tag : 'div',
1795                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1796                 action : 'rotate-left',
1797                 cn : [
1798                     {
1799                         tag : 'button',
1800                         cls : 'btn btn-default',
1801                         html : '<i class="fa fa-undo"></i>'
1802                     }
1803                 ]
1804             },
1805             {
1806                 tag : 'div',
1807                 cls : 'btn-group roo-upload-cropbox-download',
1808                 action : 'download',
1809                 cn : [
1810                     {
1811                         tag : 'button',
1812                         cls : 'btn btn-default',
1813                         html : '<i class="fa fa-download"></i>'
1814                     }
1815                 ]
1816             },
1817             {
1818                 tag : 'div',
1819                 cls : 'btn-group roo-upload-cropbox-crop',
1820                 action : 'crop',
1821                 cn : [
1822                     {
1823                         tag : 'button',
1824                         cls : 'btn btn-default',
1825                         html : '<i class="fa fa-crop"></i>'
1826                     }
1827                 ]
1828             },
1829             {
1830                 tag : 'div',
1831                 cls : 'btn-group roo-upload-cropbox-trash',
1832                 action : 'trash',
1833                 cn : [
1834                     {
1835                         tag : 'button',
1836                         cls : 'btn btn-default',
1837                         html : '<i class="fa fa-trash"></i>'
1838                     }
1839                 ]
1840             },
1841             {
1842                 tag : 'div',
1843                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1844                 action : 'rotate-right',
1845                 cn : [
1846                     {
1847                         tag : 'button',
1848                         cls : 'btn btn-default',
1849                         html : '<i class="fa fa-repeat"></i>'
1850                     }
1851                 ]
1852             }
1853         ],
1854         ROTATOR : [
1855             {
1856                 tag : 'div',
1857                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1858                 action : 'rotate-left',
1859                 cn : [
1860                     {
1861                         tag : 'button',
1862                         cls : 'btn btn-default',
1863                         html : '<i class="fa fa-undo"></i>'
1864                     }
1865                 ]
1866             },
1867             {
1868                 tag : 'div',
1869                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1870                 action : 'rotate-right',
1871                 cn : [
1872                     {
1873                         tag : 'button',
1874                         cls : 'btn btn-default',
1875                         html : '<i class="fa fa-repeat"></i>'
1876                     }
1877                 ]
1878             }
1879         ],
1880         CENTER : [
1881             {
1882                 tag : 'div',
1883                 cls : 'btn-group roo-upload-cropbox-center',
1884                 action : 'center',
1885                 cn : [
1886                     {
1887                         tag : 'button',
1888                         cls : 'btn btn-default',
1889                         html : 'CENTER'
1890                     }
1891                 ]
1892             }
1893         ]
1894     }
1895 });