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

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