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             default :
 377                 break;
 378         }
 379
 380         this.fireEvent('footerbuttonclick', this, type);
 381     },
 382
 383     beforeSelectFile : function(e)
 384     {
 385         e.preventDefault();
 386
 387         if(this.fireEvent('beforeselectfile', this) != false){
 388             this.selectorEl.dom.click();
 389         }
 390     },
 391
 392     onFileSelected : function(e)
 393     {
 394         e.preventDefault();
 395
 396         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 397             return;
 398         }
 399
 400         var file = this.selectorEl.dom.files[0];
 401
 402         if(this.fireEvent('inspect', this, file) != false){
 403             this.prepare(file);
 404         }
 405
 406     },
 407
 408     trash : function(e)
 409     {
 410         this.fireEvent('trash', this);
 411     },
 412
 413     download : function(e)
 414     {
 415         this.fireEvent('download', this);
 416     },
 417
 418     loadCanvas : function(src)
 419     {
 420         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 421
 422             this.reset();
 423
 424             this.imageEl = document.createElement('img');
 425
 426             var _this = this;
 427
 428             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 429
 430             this.imageEl.src = src;
 431         }
 432     },
 433
 434     onLoadCanvas : function()
 435     {
 436         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 437         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 438
 439         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 440
 441             this.bodyEl.un('click', this.beforeSelectFile, this);
 442
 443             this.notifyEl.hide();
 444             this.thumbEl.show();
 445             this.footerEl.show();
 446
 447             this.baseRotateLevel();
 448
 449             if(this.isDocument){
 450                 this.setThumbBoxSize();
 451             }
 452
 453             this.setThumbBoxPosition();
 454
 455             this.baseScaleLevel();
 456
 457             this.draw();
 458
 459             this.resize();
 460
 461             this.canvasLoaded = true;
 462
 463         }
 464
 465         if(this.loadMask){
 466             this.maskEl.unmask();
 467         }
 468
 469     },
 470
 471     setCanvasPosition : function()
 472     {
 473         if(!this.canvasEl){
 474             return;
 475         }
 476
 477         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 478         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 479
 480         this.previewEl.setLeft(pw);
 481         this.previewEl.setTop(ph);
 482
 483     },
 484
 485     onMouseDown : function(e)
 486     {
 487         e.stopEvent();
 488
 489         this.dragable = true;
 490         this.pinching = false;
 491
 492         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 493             this.dragable = false;
 494             return;
 495         }
 496
 497         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 498         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 499
 500     },
 501
 502     onMouseMove : function(e)
 503     {
 504         e.stopEvent();
 505
 506         if(!this.canvasLoaded){
 507             return;
 508         }
 509
 510         if (!this.dragable){
 511             return;
 512         }
 513
 514         var minX = Math.ceil(this.thumbEl.getLeft(true));
 515         var minY = Math.ceil(this.thumbEl.getTop(true));
 516
 517         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 518         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 519
 520         if(minX > maxX) {
 521             var tempX = minX;
 522             minX = maxX;
 523             maxX = tempX;
 524         }
 525
 526         if(minY > maxY) {
 527             var tempY = minY;
 528             minY = maxY;
 529             maxY = tempY;
 530         }
 531
 532         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 533         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 534
 535         x = x - this.mouseX;
 536         y = y - this.mouseY;
 537
 538         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 539         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 540
 541         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 542         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 543
 544         this.previewEl.setLeft(bgX);
 545         this.previewEl.setTop(bgY);
 546
 547         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 548         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 549     },
 550
 551     onMouseUp : function(e)
 552     {
 553         e.stopEvent();
 554
 555         this.dragable = false;
 556     },
 557
 558     onMouseWheel : function(e)
 559     {
 560         e.stopEvent();
 561
 562         this.startScale = this.scale;
 563         this.scale = (e.getWheelDelta() > 0) ? (this.scale + 1) : (this.scale - 1);
 564
 565         console.log("START SCALE: " + this.startScale);
 566         console.log("TEST SCALE: " + this.scale);
 567
 568         if(!this.zoomable()){
 569             this.scale = this.startScale;
 570             return;
 571         }
 572
 573
 574         this.draw();
 575
 576         return;
 577     },
 578
 579     zoomable : function()
 580     {
 581         var minScale = this.thumbEl.getWidth() / this.minWidth;
 582
 583         if(this.minWidth < this.minHeight){
 584             minScale = this.thumbEl.getHeight() / this.minHeight;
 585         }
 586
 587         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 588         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 589
 590         console.log("IMAGE WIDTH: " + this.thumbEl.getWidth() * this.getScaleLevel());
 591         console.log("IMAGE HEIGHT: " + );
 592
 593         var maxWidth = this.imageEl.OriginWidth;
 594         var maxHeight = this.imageEl.OriginHeight;
 595
 596         if(
 597                 this.isDocument &&
 598                 (this.rotate == 0 || this.rotate == 180) &&
 599                 (
 600                     width > this.imageEl.OriginWidth ||
 601                     height > this.imageEl.OriginHeight ||
 602                     (width < this.minWidth && height < this.minHeight)
 603                 )
 604         ){
 605             return false;
 606         }
 607
 608         if(
 609                 this.isDocument &&
 610                 (this.rotate == 90 || this.rotate == 270) &&
 611                 (
 612                     width > this.imageEl.OriginWidth ||
 613                     height > this.imageEl.OriginHeight ||
 614                     (width < this.minHeight && height < this.minWidth)
 615                 )
 616         ){
 617             return false;
 618         }
 619
 620         if(
 621                 !this.isDocument &&
 622                 (this.rotate == 0 || this.rotate == 180) &&
 623                 (
 624                     (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
 625                     (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
 626                     width > maxWidth ||
 627                     height > maxHeight
 628                 )
 629         ){
 630             return false;
 631         }
 632
 633         if(
 634                 !this.isDocument &&
 635                 (this.rotate == 90 || this.rotate == 270) &&
 636                 (
 637                     width < this.minHeight ||
 638                     width > this.imageEl.OriginWidth ||
 639                     height < this.minWidth ||
 640                     height > this.imageEl.OriginHeight
 641                 )
 642         ){
 643             return false;
 644         }
 645
 646         return true;
 647
 648     },
 649
 650     onRotateLeft : function(e)
 651     {
 652         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 653
 654             var minScale = this.thumbEl.getWidth() / this.minWidth;
 655
 656             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 657             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 658
 659             this.startScale = this.scale;
 660
 661             while (this.getScaleLevel() < minScale){
 662
 663                 this.scale = this.scale + 1;
 664
 665                 if(!this.zoomable()){
 666                     break;
 667                 }
 668
 669                 if(
 670                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 671                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 672                 ){
 673                     continue;
 674                 }
 675
 676                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 677
 678                 this.draw();
 679
 680                 return;
 681             }
 682
 683             this.scale = this.startScale;
 684
 685             this.onRotateFail();
 686
 687             return false;
 688         }
 689
 690         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 691
 692         if(this.isDocument){
 693             this.setThumbBoxSize();
 694             this.setThumbBoxPosition();
 695             this.setCanvasPosition();
 696         }
 697
 698         this.draw();
 699
 700         this.fireEvent('rotate', this, 'left');
 701
 702     },
 703
 704     onRotateRight : function(e)
 705     {
 706         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 707
 708             var minScale = this.thumbEl.getWidth() / this.minWidth;
 709
 710             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 711             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 712
 713             this.startScale = this.scale;
 714
 715             while (this.getScaleLevel() < minScale){
 716
 717                 this.scale = this.scale + 1;
 718
 719                 if(!this.zoomable()){
 720                     break;
 721                 }
 722
 723                 if(
 724                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 725                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 726                 ){
 727                     continue;
 728                 }
 729
 730                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 731
 732                 this.draw();
 733
 734                 return;
 735             }
 736
 737             this.scale = this.startScale;
 738
 739             this.onRotateFail();
 740
 741             return false;
 742         }
 743
 744         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 745
 746         if(this.isDocument){
 747             this.setThumbBoxSize();
 748             this.setThumbBoxPosition();
 749             this.setCanvasPosition();
 750         }
 751
 752         this.draw();
 753
 754         this.fireEvent('rotate', this, 'right');
 755     },
 756
 757     onRotateFail : function()
 758     {
 759         this.errorEl.show(true);
 760
 761         var _this = this;
 762
 763         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 764     },
 765
 766     draw : function()
 767     {
 768         this.previewEl.dom.innerHTML = '';
 769
 770         var canvasEl = document.createElement("canvas");
 771
 772         var contextEl = canvasEl.getContext("2d");
 773
 774         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 775         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 776         var center = this.imageEl.OriginWidth / 2;
 777
 778         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 779             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 780             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 781             center = this.imageEl.OriginHeight / 2;
 782         }
 783
 784         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 785
 786         contextEl.translate(center, center);
 787         contextEl.rotate(this.rotate * Math.PI / 180);
 788
 789         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 790
 791         this.canvasEl = document.createElement("canvas");
 792
 793         this.contextEl = this.canvasEl.getContext("2d");
 794
 795         switch (this.rotate) {
 796             case 0 :
 797
 798                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 799                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 800
 801                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 802
 803                 break;
 804             case 90 :
 805
 806                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 807                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 808
 809                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 810                     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);
 811                     break;
 812                 }
 813
 814                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 815
 816                 break;
 817             case 180 :
 818
 819                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 820                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 821
 822                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 823                     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);
 824                     break;
 825                 }
 826
 827                 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);
 828
 829                 break;
 830             case 270 :
 831
 832                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 833                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 834
 835                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 836                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 837                     break;
 838                 }
 839
 840                 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);
 841
 842                 break;
 843             default :
 844                 break;
 845         }
 846
 847         this.previewEl.appendChild(this.canvasEl);
 848
 849         this.setCanvasPosition();
 850     },
 851
 852     crop : function()
 853     {
 854         if(!this.canvasLoaded){
 855             return;
 856         }
 857
 858         var imageCanvas = document.createElement("canvas");
 859
 860         var imageContext = imageCanvas.getContext("2d");
 861
 862         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 863         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 864
 865         var center = imageCanvas.width / 2;
 866
 867         imageContext.translate(center, center);
 868
 869         imageContext.rotate(this.rotate * Math.PI / 180);
 870
 871         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 872
 873         var canvas = document.createElement("canvas");
 874
 875         var context = canvas.getContext("2d");
 876
 877         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 878
 879         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 880
 881         switch (this.rotate) {
 882             case 0 :
 883
 884                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 885                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 886
 887                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 888                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 889
 890                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 891                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
 892
 893                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 894                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 895
 896                 if(canvas.width > this.outputMaxWidth) {
 897                     var scale = this.outputMaxWidth / canvas.width;
 898                     canvas.width = canvas.width * scale;
 899                     canvas.height = canvas.height * scale;
 900                     context.scale(scale, scale);
 901                 }
 902
 903                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 904
 905                 break;
 906             case 90 :
 907
 908                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 909                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 910
 911                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 912                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 913
 914                 var targetWidth = this.minWidth - 2 * x;
 915                 var targetHeight = this.minHeight - 2 * y;
 916
 917                 var scale = 1;
 918
 919                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 920                     scale = targetWidth / width;
 921                 }
 922
 923                 if(x > 0 && y == 0){
 924                     scale = targetHeight / height;
 925                 }
 926
 927                 if(x > 0 && y > 0){
 928                     scale = targetWidth / width;
 929
 930                     if(width < height){
 931                         scale = targetHeight / height;
 932                     }
 933                 }
 934
 935                 context.scale(scale, scale);
 936
 937                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 938                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 939
 940                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 941                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 942
 943                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 944
 945                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 946
 947                 break;
 948             case 180 :
 949
 950                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 951                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 952
 953                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 954                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 955
 956                 var targetWidth = this.minWidth - 2 * x;
 957                 var targetHeight = this.minHeight - 2 * y;
 958
 959                 var scale = 1;
 960
 961                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 962                     scale = targetWidth / width;
 963                 }
 964
 965                 if(x > 0 && y == 0){
 966                     scale = targetHeight / height;
 967                 }
 968
 969                 if(x > 0 && y > 0){
 970                     scale = targetWidth / width;
 971
 972                     if(width < height){
 973                         scale = targetHeight / height;
 974                     }
 975                 }
 976
 977                 context.scale(scale, scale);
 978
 979                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 980                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 981
 982                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 983                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 984
 985                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
 986                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 987
 988                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 989
 990                 break;
 991             case 270 :
 992
 993                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 994                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 995
 996                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 997                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 998
 999                 var targetWidth = this.minWidth - 2 * x;
1000                 var targetHeight = this.minHeight - 2 * y;
1001
1002                 var scale = 1;
1003
1004                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1005                     scale = targetWidth / width;
1006                 }
1007
1008                 if(x > 0 && y == 0){
1009                     scale = targetHeight / height;
1010                 }
1011
1012                 if(x > 0 && y > 0){
1013                     scale = targetWidth / width;
1014
1015                     if(width < height){
1016                         scale = targetHeight / height;
1017                     }
1018                 }
1019
1020                 context.scale(scale, scale);
1021                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1022                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1023
1024                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1025                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1026
1027                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1028
1029                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1030
1031                 break;
1032             default :
1033                 break;
1034         }
1035
1036         this.cropData = canvas.toDataURL(this.cropType);
1037
1038         if(this.fireEvent('crop', this, this.cropData) !== false){
1039             this.process(this.file, this.cropData);
1040         }
1041
1042         return;
1043
1044     },
1045
1046     setThumbBoxSize : function()
1047     {
1048         var width, height;
1049
1050         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1051             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1052             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1053
1054             this.minWidth = width;
1055             this.minHeight = height;
1056
1057             if(this.rotate == 90 || this.rotate == 270){
1058                 this.minWidth = height;
1059                 this.minHeight = width;
1060             }
1061         }
1062
1063         height = this.windowSize;
1064         width = Math.ceil(this.minWidth * height / this.minHeight);
1065
1066         if(this.minWidth > this.minHeight){
1067             width = this.windowSize;
1068             height = Math.ceil(this.minHeight * width / this.minWidth);
1069         }
1070
1071         this.thumbEl.setStyle({
1072             width : width + 'px',
1073             height : height + 'px'
1074         });
1075
1076         return;
1077
1078     },
1079
1080     setThumbBoxPosition : function()
1081     {
1082         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1083         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1084
1085         this.thumbEl.setLeft(x);
1086         this.thumbEl.setTop(y);
1087
1088     },
1089
1090     baseRotateLevel : function()
1091     {
1092         this.baseRotate = 1;
1093
1094         if(
1095                 typeof(this.exif) != 'undefined' &&
1096                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1097                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1098         ){
1099             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1100         }
1101
1102         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1103
1104     },
1105
1106     baseScaleLevel : function()
1107     {
1108         var width, height;
1109
1110         if(this.isDocument){
1111
1112             if(this.baseRotate == 6 || this.baseRotate == 8){
1113
1114                 height = this.thumbEl.getHeight();
1115                 this.baseScale = height / this.imageEl.OriginWidth;
1116
1117                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1118                     width = this.thumbEl.getWidth();
1119                     this.baseScale = width / this.imageEl.OriginHeight;
1120                 }
1121
1122                 return;
1123             }
1124
1125             height = this.thumbEl.getHeight();
1126             this.baseScale = height / this.imageEl.OriginHeight;
1127
1128             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1129                 width = this.thumbEl.getWidth();
1130                 this.baseScale = width / this.imageEl.OriginWidth;
1131             }
1132
1133             return;
1134         }
1135
1136         if(this.baseRotate == 6 || this.baseRotate == 8){
1137
1138             width = this.thumbEl.getHeight();
1139             this.baseScale = width / this.imageEl.OriginHeight;
1140
1141             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1142                 height = this.thumbEl.getWidth();
1143                 this.baseScale = height / this.imageEl.OriginHeight;
1144             }
1145
1146             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1147                 height = this.thumbEl.getWidth();
1148                 this.baseScale = height / this.imageEl.OriginHeight;
1149
1150                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1151                     width = this.thumbEl.getHeight();
1152                     this.baseScale = width / this.imageEl.OriginWidth;
1153                 }
1154             }
1155
1156             return;
1157         }
1158
1159         width = this.thumbEl.getWidth();
1160         this.baseScale = width / this.imageEl.OriginWidth;
1161
1162         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1163             height = this.thumbEl.getHeight();
1164             this.baseScale = height / this.imageEl.OriginHeight;
1165         }
1166
1167         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1168
1169             height = this.thumbEl.getHeight();
1170             this.baseScale = height / this.imageEl.OriginHeight;
1171
1172             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1173                 width = this.thumbEl.getWidth();
1174                 this.baseScale = width / this.imageEl.OriginWidth;
1175             }
1176
1177         }
1178
1179         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1180             this.baseScale = width / this.minWidth;
1181         }
1182
1183         return;
1184     },
1185
1186     getScaleLevel : function()
1187     {
1188         return this.baseScale * Math.pow(1.02, this.scale);
1189     },
1190
1191     onTouchStart : function(e)
1192     {
1193         if(!this.canvasLoaded){
1194             this.beforeSelectFile(e);
1195             return;
1196         }
1197
1198         var touches = e.browserEvent.touches;
1199
1200         if(!touches){
1201             return;
1202         }
1203
1204         if(touches.length == 1){
1205             this.onMouseDown(e);
1206             return;
1207         }
1208
1209         if(touches.length != 2){
1210             return;
1211         }
1212
1213         var coords = [];
1214
1215         for(var i = 0, finger; finger = touches[i]; i++){
1216             coords.push(finger.pageX, finger.pageY);
1217         }
1218
1219         var x = Math.pow(coords[0] - coords[2], 2);
1220         var y = Math.pow(coords[1] - coords[3], 2);
1221
1222         this.startDistance = Math.sqrt(x + y);
1223
1224         this.startScale = this.scale;
1225
1226         this.pinching = true;
1227         this.dragable = false;
1228
1229     },
1230
1231     onTouchMove : function(e)
1232     {
1233         if(!this.pinching && !this.dragable){
1234             return;
1235         }
1236
1237         var touches = e.browserEvent.touches;
1238
1239         if(!touches){
1240             return;
1241         }
1242
1243         if(this.dragable){
1244             this.onMouseMove(e);
1245             return;
1246         }
1247
1248         var coords = [];
1249
1250         for(var i = 0, finger; finger = touches[i]; i++){
1251             coords.push(finger.pageX, finger.pageY);
1252         }
1253
1254         var x = Math.pow(coords[0] - coords[2], 2);
1255         var y = Math.pow(coords[1] - coords[3], 2);
1256
1257         this.endDistance = Math.sqrt(x + y);
1258
1259         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1260
1261         if(!this.zoomable()){
1262             this.scale = this.startScale;
1263             return;
1264         }
1265
1266         this.draw();
1267
1268     },
1269
1270     onTouchEnd : function(e)
1271     {
1272         this.pinching = false;
1273         this.dragable = false;
1274
1275     },
1276
1277     process : function(file, crop)
1278     {
1279         if(this.loadMask){
1280             this.maskEl.mask(this.loadingText);
1281         }
1282
1283         this.xhr = new XMLHttpRequest();
1284
1285         file.xhr = this.xhr;
1286
1287         this.xhr.open(this.method, this.url, true);
1288
1289         var headers = {
1290             "Accept": "application/json",
1291             "Cache-Control": "no-cache",
1292             "X-Requested-With": "XMLHttpRequest"
1293         };
1294
1295         for (var headerName in headers) {
1296             var headerValue = headers[headerName];
1297             if (headerValue) {
1298                 this.xhr.setRequestHeader(headerName, headerValue);
1299             }
1300         }
1301
1302         var _this = this;
1303
1304         this.xhr.onload = function()
1305         {
1306             _this.xhrOnLoad(_this.xhr);
1307         }
1308
1309         this.xhr.onerror = function()
1310         {
1311             _this.xhrOnError(_this.xhr);
1312         }
1313
1314         var formData = new FormData();
1315
1316         formData.append('returnHTML', 'NO');
1317
1318         if(crop){
1319             formData.append('crop', crop);
1320             var blobBin = atob(crop.split(',')[1]);
1321             var array = [];
1322             for(var i = 0; i < blobBin.length; i++) {
1323                 array.push(blobBin.charCodeAt(i));
1324             }
1325             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1326             formData.append(this.paramName, croppedFile, file.name);
1327         }
1328
1329         if(typeof(file.filename) != 'undefined'){
1330             formData.append('filename', file.filename);
1331         }
1332
1333         if(typeof(file.mimetype) != 'undefined'){
1334             formData.append('mimetype', file.mimetype);
1335         }
1336
1337         if(this.fireEvent('arrange', this, formData) != false){
1338             this.xhr.send(formData);
1339         };
1340     },
1341
1342     xhrOnLoad : function(xhr)
1343     {
1344         if(this.loadMask){
1345             this.maskEl.unmask();
1346         }
1347
1348         if (xhr.readyState !== 4) {
1349             this.fireEvent('exception', this, xhr);
1350             return;
1351         }
1352
1353         var response = Roo.decode(xhr.responseText);
1354
1355         if(!response.success){
1356             this.fireEvent('exception', this, xhr);
1357             return;
1358         }
1359
1360         var response = Roo.decode(xhr.responseText);
1361
1362         this.fireEvent('upload', this, response);
1363
1364     },
1365
1366     xhrOnError : function()
1367     {
1368         if(this.loadMask){
1369             this.maskEl.unmask();
1370         }
1371
1372         Roo.log('xhr on error');
1373
1374         var response = Roo.decode(xhr.responseText);
1375
1376         Roo.log(response);
1377
1378     },
1379
1380     prepare : function(file)
1381     {
1382         if(this.loadMask){
1383             this.maskEl.mask(this.loadingText);
1384         }
1385
1386         this.file = false;
1387         this.exif = {};
1388
1389         if(typeof(file) === 'string'){
1390             this.loadCanvas(file);
1391             return;
1392         }
1393
1394         if(!file || !this.urlAPI){
1395             return;
1396         }
1397
1398         this.file = file;
1399         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1400             this.cropType = file.type;
1401         }
1402
1403         var _this = this;
1404
1405         if(this.fireEvent('prepare', this, this.file) != false){
1406
1407             var reader = new FileReader();
1408
1409             reader.onload = function (e) {
1410                 if (e.target.error) {
1411                     Roo.log(e.target.error);
1412                     return;
1413                 }
1414
1415                 var buffer = e.target.result,
1416                     dataView = new DataView(buffer),
1417                     offset = 2,
1418                     maxOffset = dataView.byteLength - 4,
1419                     markerBytes,
1420                     markerLength;
1421
1422                 if (dataView.getUint16(0) === 0xffd8) {
1423                     while (offset < maxOffset) {
1424                         markerBytes = dataView.getUint16(offset);
1425
1426                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1427                             markerLength = dataView.getUint16(offset + 2) + 2;
1428                             if (offset + markerLength > dataView.byteLength) {
1429                                 Roo.log('Invalid meta data: Invalid segment size.');
1430                                 break;
1431                             }
1432
1433                             if(markerBytes == 0xffe1){
1434                                 _this.parseExifData(
1435                                     dataView,
1436                                     offset,
1437                                     markerLength
1438                                 );
1439                             }
1440
1441                             offset += markerLength;
1442
1443                             continue;
1444                         }
1445
1446                         break;
1447                     }
1448
1449                 }
1450
1451                 var url = _this.urlAPI.createObjectURL(_this.file);
1452
1453                 _this.loadCanvas(url);
1454
1455                 return;
1456             }
1457
1458             reader.readAsArrayBuffer(this.file);
1459
1460         }
1461
1462     },
1463
1464     parseExifData : function(dataView, offset, length)
1465     {
1466         var tiffOffset = offset + 10,
1467             littleEndian,
1468             dirOffset;
1469
1470         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1471             // No Exif data, might be XMP data instead
1472             return;
1473         }
1474
1475         // Check for the ASCII code for "Exif" (0x45786966):
1476         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1477             // No Exif data, might be XMP data instead
1478             return;
1479         }
1480         if (tiffOffset + 8 > dataView.byteLength) {
1481             Roo.log('Invalid Exif data: Invalid segment size.');
1482             return;
1483         }
1484         // Check for the two null bytes:
1485         if (dataView.getUint16(offset + 8) !== 0x0000) {
1486             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1487             return;
1488         }
1489         // Check the byte alignment:
1490         switch (dataView.getUint16(tiffOffset)) {
1491         case 0x4949:
1492             littleEndian = true;
1493             break;
1494         case 0x4D4D:
1495             littleEndian = false;
1496             break;
1497         default:
1498             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1499             return;
1500         }
1501         // Check for the TIFF tag marker (0x002A):
1502         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1503             Roo.log('Invalid Exif data: Missing TIFF marker.');
1504             return;
1505         }
1506         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1507         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1508
1509         this.parseExifTags(
1510             dataView,
1511             tiffOffset,
1512             tiffOffset + dirOffset,
1513             littleEndian
1514         );
1515     },
1516
1517     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1518     {
1519         var tagsNumber,
1520             dirEndOffset,
1521             i;
1522         if (dirOffset + 6 > dataView.byteLength) {
1523             Roo.log('Invalid Exif data: Invalid directory offset.');
1524             return;
1525         }
1526         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1527         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1528         if (dirEndOffset + 4 > dataView.byteLength) {
1529             Roo.log('Invalid Exif data: Invalid directory size.');
1530             return;
1531         }
1532         for (i = 0; i < tagsNumber; i += 1) {
1533             this.parseExifTag(
1534                 dataView,
1535                 tiffOffset,
1536                 dirOffset + 2 + 12 * i, // tag offset
1537                 littleEndian
1538             );
1539         }
1540         // Return the offset to the next directory:
1541         return dataView.getUint32(dirEndOffset, littleEndian);
1542     },
1543
1544     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1545     {
1546         var tag = dataView.getUint16(offset, littleEndian);
1547
1548         this.exif[tag] = this.getExifValue(
1549             dataView,
1550             tiffOffset,
1551             offset,
1552             dataView.getUint16(offset + 2, littleEndian), // tag type
1553             dataView.getUint32(offset + 4, littleEndian), // tag length
1554             littleEndian
1555         );
1556     },
1557
1558     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1559     {
1560         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1561             tagSize,
1562             dataOffset,
1563             values,
1564             i,
1565             str,
1566             c;
1567
1568         if (!tagType) {
1569             Roo.log('Invalid Exif data: Invalid tag type.');
1570             return;
1571         }
1572
1573         tagSize = tagType.size * length;
1574         // Determine if the value is contained in the dataOffset bytes,
1575         // or if the value at the dataOffset is a pointer to the actual data:
1576         dataOffset = tagSize > 4 ?
1577                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1578         if (dataOffset + tagSize > dataView.byteLength) {
1579             Roo.log('Invalid Exif data: Invalid data offset.');
1580             return;
1581         }
1582         if (length === 1) {
1583             return tagType.getValue(dataView, dataOffset, littleEndian);
1584         }
1585         values = [];
1586         for (i = 0; i < length; i += 1) {
1587             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1588         }
1589
1590         if (tagType.ascii) {
1591             str = '';
1592             // Concatenate the chars:
1593             for (i = 0; i < values.length; i += 1) {
1594                 c = values[i];
1595                 // Ignore the terminating NULL byte(s):
1596                 if (c === '\u0000') {
1597                     break;
1598                 }
1599                 str += c;
1600             }
1601             return str;
1602         }
1603         return values;
1604     }
1605
1606 });
1607
1608 Roo.apply(Roo.dialog.UploadCropbox, {
1609     tags : {
1610         'Orientation': 0x0112
1611     },
1612
1613     Orientation: {
1614             1: 0, //'top-left',
1615 //            2: 'top-right',
1616             3: 180, //'bottom-right',
1617 //            4: 'bottom-left',
1618 //            5: 'left-top',
1619             6: 90, //'right-top',
1620 //            7: 'right-bottom',
1621             8: 270 //'left-bottom'
1622     },
1623
1624     exifTagTypes : {
1625         // byte, 8-bit unsigned int:
1626         1: {
1627             getValue: function (dataView, dataOffset) {
1628                 return dataView.getUint8(dataOffset);
1629             },
1630             size: 1
1631         },
1632         // ascii, 8-bit byte:
1633         2: {
1634             getValue: function (dataView, dataOffset) {
1635                 return String.fromCharCode(dataView.getUint8(dataOffset));
1636             },
1637             size: 1,
1638             ascii: true
1639         },
1640         // short, 16 bit int:
1641         3: {
1642             getValue: function (dataView, dataOffset, littleEndian) {
1643                 return dataView.getUint16(dataOffset, littleEndian);
1644             },
1645             size: 2
1646         },
1647         // long, 32 bit int:
1648         4: {
1649             getValue: function (dataView, dataOffset, littleEndian) {
1650                 return dataView.getUint32(dataOffset, littleEndian);
1651             },
1652             size: 4
1653         },
1654         // rational = two long values, first is numerator, second is denominator:
1655         5: {
1656             getValue: function (dataView, dataOffset, littleEndian) {
1657                 return dataView.getUint32(dataOffset, littleEndian) /
1658                     dataView.getUint32(dataOffset + 4, littleEndian);
1659             },
1660             size: 8
1661         },
1662         // slong, 32 bit signed int:
1663         9: {
1664             getValue: function (dataView, dataOffset, littleEndian) {
1665                 return dataView.getInt32(dataOffset, littleEndian);
1666             },
1667             size: 4
1668         },
1669         // srational, two slongs, first is numerator, second is denominator:
1670         10: {
1671             getValue: function (dataView, dataOffset, littleEndian) {
1672                 return dataView.getInt32(dataOffset, littleEndian) /
1673                     dataView.getInt32(dataOffset + 4, littleEndian);
1674             },
1675             size: 8
1676         }
1677     },
1678
1679     footer : {
1680         STANDARD : [
1681             {
1682                 tag : 'div',
1683                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1684                 action : 'rotate-left',
1685                 cn : [
1686                     {
1687                         tag : 'button',
1688                         cls : 'btn btn-default',
1689                         html : '<i class="fa fa-undo"></i>'
1690                     }
1691                 ]
1692             },
1693             {
1694                 tag : 'div',
1695                 cls : 'btn-group roo-upload-cropbox-picture',
1696                 action : 'picture',
1697                 cn : [
1698                     {
1699                         tag : 'button',
1700                         cls : 'btn btn-default',
1701                         html : '<i class="fa fa-picture-o"></i>'
1702                     }
1703                 ]
1704             },
1705             {
1706                 tag : 'div',
1707                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1708                 action : 'rotate-right',
1709                 cn : [
1710                     {
1711                         tag : 'button',
1712                         cls : 'btn btn-default',
1713                         html : '<i class="fa fa-repeat"></i>'
1714                     }
1715                 ]
1716             }
1717         ],
1718         DOCUMENT : [
1719             {
1720                 tag : 'div',
1721                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1722                 action : 'rotate-left',
1723                 cn : [
1724                     {
1725                         tag : 'button',
1726                         cls : 'btn btn-default',
1727                         html : '<i class="fa fa-undo"></i>'
1728                     }
1729                 ]
1730             },
1731             {
1732                 tag : 'div',
1733                 cls : 'btn-group roo-upload-cropbox-download',
1734                 action : 'download',
1735                 cn : [
1736                     {
1737                         tag : 'button',
1738                         cls : 'btn btn-default',
1739                         html : '<i class="fa fa-download"></i>'
1740                     }
1741                 ]
1742             },
1743             {
1744                 tag : 'div',
1745                 cls : 'btn-group roo-upload-cropbox-crop',
1746                 action : 'crop',
1747                 cn : [
1748                     {
1749                         tag : 'button',
1750                         cls : 'btn btn-default',
1751                         html : '<i class="fa fa-crop"></i>'
1752                     }
1753                 ]
1754             },
1755             {
1756                 tag : 'div',
1757                 cls : 'btn-group roo-upload-cropbox-trash',
1758                 action : 'trash',
1759                 cn : [
1760                     {
1761                         tag : 'button',
1762                         cls : 'btn btn-default',
1763                         html : '<i class="fa fa-trash"></i>'
1764                     }
1765                 ]
1766             },
1767             {
1768                 tag : 'div',
1769                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1770                 action : 'rotate-right',
1771                 cn : [
1772                     {
1773                         tag : 'button',
1774                         cls : 'btn btn-default',
1775                         html : '<i class="fa fa-repeat"></i>'
1776                     }
1777                 ]
1778             }
1779         ],
1780         ROTATOR : [
1781             {
1782                 tag : 'div',
1783                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1784                 action : 'rotate-left',
1785                 cn : [
1786                     {
1787                         tag : 'button',
1788                         cls : 'btn btn-default',
1789                         html : '<i class="fa fa-undo"></i>'
1790                     }
1791                 ]
1792             },
1793             {
1794                 tag : 'div',
1795                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1796                 action : 'rotate-right',
1797                 cn : [
1798                     {
1799                         tag : 'button',
1800                         cls : 'btn btn-default',
1801                         html : '<i class="fa fa-repeat"></i>'
1802                     }
1803                 ]
1804             }
1805         ]
1806     }
1807 });