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
19 * Create a new UploadCropbox
20 * @param {Object} config The config object
23 Roo.bootstrap.UploadCropbox = function(config){
24 Roo.bootstrap.UploadCropbox.superclass.constructor.call(this, config);
28 * @event beforeselectfile
29 * Fire before select file
30 * @param {Roo.bootstrap.UploadCropbox} this
32 "beforeselectfile" : true,
35 * Fire after initEvent
36 * @param {Roo.bootstrap.UploadCropbox} this
41 * Fire after initEvent
42 * @param {Roo.bootstrap.UploadCropbox} this
43 * @param {String} data
48 * Fire when preparing the file data
49 * @param {Roo.bootstrap.UploadCropbox} this
50 * @param {Object} file
55 * Fire when get exception
56 * @param {Roo.bootstrap.UploadCropbox} this
57 * @param {Object} options
61 * @event beforeloadcanvas
62 * Fire before load the canvas
63 * @param {Roo.bootstrap.UploadCropbox} this
66 "beforeloadcanvas" : true,
69 * Fire when trash image
70 * @param {Roo.bootstrap.UploadCropbox} this
75 * Fire when download the image
76 * @param {Roo.bootstrap.UploadCropbox} this
80 * @event footerbuttonclick
81 * Fire when footerbuttonclick
82 * @param {Roo.bootstrap.UploadCropbox} this
83 * @param {String} type
85 "footerbuttonclick" : true,
89 * @param {Roo.bootstrap.UploadCropbox} this
94 * Fire when rotate the image
95 * @param {Roo.bootstrap.UploadCropbox} this
101 this.buttons = this.buttons || Roo.bootstrap.UploadCropbox.footer.STANDARD;
104 Roo.extend(Roo.bootstrap.UploadCropbox, Roo.bootstrap.Component, {
106 emptyText : 'Click to upload image',
107 rotateNotify : 'Image is too small to rotate',
122 cropType : 'image/jpeg',
124 canvasLoaded : false,
127 getAutoCreate : function()
131 cls : 'roo-upload-cropbox',
135 cls : 'roo-upload-cropbox-body',
136 style : 'cursor:pointer',
140 cls : 'roo-upload-cropbox-preview'
144 cls : 'roo-upload-cropbox-thumb'
148 cls : 'roo-upload-cropbox-empty-notify',
149 html : this.emptyText
153 cls : 'roo-upload-cropbox-error-notify alert alert-danger',
154 html : this.rotateNotify
160 cls : 'roo-upload-cropbox-footer',
163 cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
173 onRender : function(ct, position)
175 Roo.bootstrap.UploadCropbox.superclass.onRender.call(this, ct, position);
177 if (this.buttons.length) {
179 Roo.each(this.buttons, function(bb) {
181 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
183 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
189 initEvents : function()
191 this.urlAPI = (window.createObjectURL && window) ||
192 (window.URL && URL.revokeObjectURL && URL) ||
193 (window.webkitURL && webkitURL);
195 this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
196 this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
198 this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
199 this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
201 this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
202 this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
205 this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
206 this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
208 this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
209 this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
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();
216 this.setThumbBoxSize();
222 this.fireEvent('initial', this);
229 window.addEventListener("resize", function() { _this.resize(); } );
231 this.bodyEl.on('click', this.beforeSelectFile, this);
234 this.bodyEl.on('touchstart', this.onTouchStart, this);
235 this.bodyEl.on('touchmove', this.onTouchMove, this);
236 this.bodyEl.on('touchend', this.onTouchEnd, this);
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);
254 this.dragable = false;
255 this.pinching = false;
258 this.cropData = false;
259 this.notifyEl.dom.innerHTML = this.emptyText;
265 if(this.fireEvent('resize', this) != false){
266 this.setThumbBoxPosition();
267 this.setCanvasPosition();
271 onFooterButtonClick : function(e, el, o, type)
275 this.onRotateLeft(e);
277 case 'rotate-right' :
278 this.onRotateRight(e);
281 this.beforeSelectFile(e);
296 this.fireEvent('footerbuttonclick', this, type);
299 beforeSelectFile : function(e)
301 this.fireEvent('beforeselectfile', this);
306 this.fireEvent('trash', this);
309 download : function(e)
311 this.fireEvent('download', this);
314 loadCanvas : function(src)
316 if(this.fireEvent('beforeloadcanvas', this, src) != false){
320 this.imageEl = document.createElement('img');
324 this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
326 this.imageEl.src = src;
330 onLoadCanvas : function()
332 this.bodyEl.un('click', this.beforeSelectFile, this);
334 this.notifyEl.hide();
336 this.footerEl.show();
338 this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
339 this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
341 this.baseRotateLevel();
344 this.setThumbBoxSize();
347 this.setThumbBoxPosition();
349 this.baseScaleLevel();
355 this.canvasLoaded = true;
359 setCanvasPosition : function()
365 var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
366 var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
368 this.previewEl.setLeft(pw);
369 this.previewEl.setTop(ph);
373 onMouseDown : function(e)
377 this.dragable = true;
378 this.pinching = false;
380 if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
381 this.dragable = false;
385 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
386 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
390 onMouseMove : function(e)
394 if(!this.canvasLoaded){
402 var minX = Math.ceil(this.thumbEl.getLeft(true));
403 var minY = Math.ceil(this.thumbEl.getTop(true));
405 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
406 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
408 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
409 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
414 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
415 var bgY = Math.ceil(y + this.previewEl.getTop(true));
417 bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
418 bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
420 this.previewEl.setLeft(bgX);
421 this.previewEl.setTop(bgY);
423 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
424 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
427 onMouseUp : function(e)
431 this.dragable = false;
434 onMouseWheel : function(e)
438 this.startScale = this.scale;
440 this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
442 if(!this.zoomable()){
443 this.scale = this.startScale;
452 zoomable : function()
454 var minScale = this.thumbEl.getWidth() / this.minWidth;
456 if(this.minWidth < this.minHeight){
457 minScale = this.thumbEl.getHeight() / this.minHeight;
460 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
461 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
465 (this.rotate == 0 || this.rotate == 180) &&
467 width > this.imageEl.OriginWidth ||
468 height > this.imageEl.OriginHeight ||
469 (width < this.minWidth && height < this.minHeight)
477 (this.rotate == 90 || this.rotate == 270) &&
479 width > this.imageEl.OriginWidth ||
480 height > this.imageEl.OriginHeight ||
481 (width < this.minHeight && height < this.minWidth)
489 (this.rotate == 0 || this.rotate == 180) &&
491 width < this.minWidth ||
492 width > this.imageEl.OriginWidth ||
493 height < this.minHeight ||
494 height > this.imageEl.OriginHeight
502 (this.rotate == 90 || this.rotate == 270) &&
504 width < this.minHeight ||
505 width > this.imageEl.OriginWidth ||
506 height < this.minWidth ||
507 height > this.imageEl.OriginHeight
517 onRotateLeft : function(e)
519 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
521 var minScale = this.thumbEl.getWidth() / this.minWidth;
523 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
524 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
526 this.startScale = this.scale;
528 while (this.getScaleLevel() < minScale){
530 this.scale = this.scale + 1;
532 if(!this.zoomable()){
537 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
538 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
543 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
550 this.scale = this.startScale;
557 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
560 this.setThumbBoxSize();
561 this.setThumbBoxPosition();
562 this.setCanvasPosition();
567 this.fireEvent('rotate', this, 'left');
571 onRotateRight : function(e)
573 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
575 var minScale = this.thumbEl.getWidth() / this.minWidth;
577 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
578 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
580 this.startScale = this.scale;
582 while (this.getScaleLevel() < minScale){
584 this.scale = this.scale + 1;
586 if(!this.zoomable()){
591 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
592 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
597 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
604 this.scale = this.startScale;
611 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
614 this.setThumbBoxSize();
615 this.setThumbBoxPosition();
616 this.setCanvasPosition();
621 this.fireEvent('rotate', this, 'right');
624 onRotateFail : function()
626 this.errorEl.show(true);
630 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
635 this.previewEl.dom.innerHTML = '';
637 var canvasEl = document.createElement("canvas");
639 var contextEl = canvasEl.getContext("2d");
641 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
642 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
643 var center = this.imageEl.OriginWidth / 2;
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;
651 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
653 contextEl.translate(center, center);
654 contextEl.rotate(this.rotate * Math.PI / 180);
656 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
658 this.canvasEl = document.createElement("canvas");
660 this.contextEl = this.canvasEl.getContext("2d");
662 switch (this.rotate) {
665 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
666 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
668 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
673 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
674 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
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);
681 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
686 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
687 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
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);
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);
699 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
700 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
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);
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);
714 this.previewEl.appendChild(this.canvasEl);
716 this.setCanvasPosition();
721 if(!this.canvasLoaded){
725 var imageCanvas = document.createElement("canvas");
727 var imageContext = imageCanvas.getContext("2d");
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;
732 var center = imageCanvas.width / 2;
734 imageContext.translate(center, center);
736 imageContext.rotate(this.rotate * Math.PI / 180);
738 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
740 var canvas = document.createElement("canvas");
742 var context = canvas.getContext("2d");
744 canvas.width = this.minWidth;
745 canvas.height = this.minHeight;
747 switch (this.rotate) {
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());
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());
756 var targetWidth = this.minWidth - 2 * x;
757 var targetHeight = this.minHeight - 2 * y;
761 if((x == 0 && y == 0) || (x == 0 && y > 0)){
762 scale = targetWidth / width;
766 scale = targetHeight / height;
770 scale = targetWidth / width;
773 scale = targetHeight / height;
777 context.scale(scale, scale);
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));
782 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
783 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
785 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
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());
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());
796 var targetWidth = this.minWidth - 2 * x;
797 var targetHeight = this.minHeight - 2 * y;
801 if((x == 0 && y == 0) || (x == 0 && y > 0)){
802 scale = targetWidth / width;
806 scale = targetHeight / height;
810 scale = targetWidth / width;
813 scale = targetHeight / height;
817 context.scale(scale, scale);
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));
822 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
823 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
825 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
827 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
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());
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());
838 var targetWidth = this.minWidth - 2 * x;
839 var targetHeight = this.minHeight - 2 * y;
843 if((x == 0 && y == 0) || (x == 0 && y > 0)){
844 scale = targetWidth / width;
848 scale = targetHeight / height;
852 scale = targetWidth / width;
855 scale = targetHeight / height;
859 context.scale(scale, scale);
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));
864 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
865 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
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;
870 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
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());
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());
881 var targetWidth = this.minWidth - 2 * x;
882 var targetHeight = this.minHeight - 2 * y;
886 if((x == 0 && y == 0) || (x == 0 && y > 0)){
887 scale = targetWidth / width;
891 scale = targetHeight / height;
895 scale = targetWidth / width;
898 scale = targetHeight / height;
902 context.scale(scale, scale);
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));
907 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
908 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
910 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
912 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
919 this.cropData = canvas.toDataURL(this.cropType);
921 this.fireEvent('crop', this, this.cropData);
925 setThumbBoxSize : function()
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);
933 this.minWidth = width;
934 this.minHeight = height;
936 if(this.rotate == 90 || this.rotate == 270){
937 this.minWidth = height;
938 this.minHeight = width;
943 width = Math.ceil(this.minWidth * height / this.minHeight);
945 if(this.minWidth > this.minHeight){
947 height = Math.ceil(this.minHeight * width / this.minWidth);
950 this.thumbEl.setStyle({
951 width : width + 'px',
952 height : height + 'px'
959 setThumbBoxPosition : function()
961 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
962 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
964 this.thumbEl.setLeft(x);
965 this.thumbEl.setTop(y);
969 baseRotateLevel : function()
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
978 this.baseRotate = this.exif[Roo.bootstrap.UploadCropbox['tags']['Orientation']];
981 this.rotate = Roo.bootstrap.UploadCropbox['Orientation'][this.baseRotate];
985 baseScaleLevel : function()
991 if(this.baseRotate == 6 || this.baseRotate == 8){
993 height = this.thumbEl.getHeight();
994 this.baseScale = height / this.imageEl.OriginWidth;
996 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
997 width = this.thumbEl.getWidth();
998 this.baseScale = width / this.imageEl.OriginHeight;
1004 height = this.thumbEl.getHeight();
1005 this.baseScale = height / this.imageEl.OriginHeight;
1007 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1008 width = this.thumbEl.getWidth();
1009 this.baseScale = width / this.imageEl.OriginWidth;
1015 if(this.baseRotate == 6 || this.baseRotate == 8){
1017 width = this.thumbEl.getHeight();
1018 this.baseScale = width / this.imageEl.OriginHeight;
1020 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1021 height = this.thumbEl.getWidth();
1022 this.baseScale = height / this.imageEl.OriginHeight;
1025 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1026 height = this.thumbEl.getWidth();
1027 this.baseScale = height / this.imageEl.OriginHeight;
1029 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1030 width = this.thumbEl.getHeight();
1031 this.baseScale = width / this.imageEl.OriginWidth;
1038 width = this.thumbEl.getWidth();
1039 this.baseScale = width / this.imageEl.OriginWidth;
1041 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1042 height = this.thumbEl.getHeight();
1043 this.baseScale = height / this.imageEl.OriginHeight;
1046 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1048 height = this.thumbEl.getHeight();
1049 this.baseScale = height / this.imageEl.OriginHeight;
1051 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1052 width = this.thumbEl.getWidth();
1053 this.baseScale = width / this.imageEl.OriginWidth;
1061 getScaleLevel : function()
1063 return this.baseScale * Math.pow(1.1, this.scale);
1066 onTouchStart : function(e)
1068 if(!this.canvasLoaded){
1069 this.beforeSelectFile(e);
1073 var touches = e.browserEvent.touches;
1079 if(touches.length == 1){
1080 this.onMouseDown(e);
1084 if(touches.length != 2){
1090 for(var i = 0, finger; finger = touches[i]; i++){
1091 coords.push(finger.pageX, finger.pageY);
1094 var x = Math.pow(coords[0] - coords[2], 2);
1095 var y = Math.pow(coords[1] - coords[3], 2);
1097 this.startDistance = Math.sqrt(x + y);
1099 this.startScale = this.scale;
1101 this.pinching = true;
1102 this.dragable = false;
1106 onTouchMove : function(e)
1108 if(!this.pinching && !this.dragable){
1112 var touches = e.browserEvent.touches;
1119 this.onMouseMove(e);
1125 for(var i = 0, finger; finger = touches[i]; i++){
1126 coords.push(finger.pageX, finger.pageY);
1129 var x = Math.pow(coords[0] - coords[2], 2);
1130 var y = Math.pow(coords[1] - coords[3], 2);
1132 this.endDistance = Math.sqrt(x + y);
1134 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1136 if(!this.zoomable()){
1137 this.scale = this.startScale;
1145 onTouchEnd : function(e)
1147 this.pinching = false;
1148 this.dragable = false;
1152 prepare : function(file)
1157 if(typeof(file) === 'string'){
1158 this.loadCanvas(file);
1162 if(!file || !this.urlAPI){
1167 this.cropType = file.type;
1171 if(this.fireEvent('prepare', this, this.file) != false){
1173 var reader = new FileReader();
1175 reader.onload = function (e) {
1176 if (e.target.error) {
1177 Roo.log(e.target.error);
1181 var buffer = e.target.result,
1182 dataView = new DataView(buffer),
1184 maxOffset = dataView.byteLength - 4,
1188 if (dataView.getUint16(0) === 0xffd8) {
1189 while (offset < maxOffset) {
1190 markerBytes = dataView.getUint16(offset);
1192 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1193 markerLength = dataView.getUint16(offset + 2) + 2;
1194 if (offset + markerLength > dataView.byteLength) {
1195 Roo.log('Invalid meta data: Invalid segment size.');
1199 if(markerBytes == 0xffe1){
1200 _this.parseExifData(
1207 offset += markerLength;
1217 var url = _this.urlAPI.createObjectURL(_this.file);
1219 _this.loadCanvas(url);
1224 reader.readAsArrayBuffer(this.file);
1230 parseExifData : function(dataView, offset, length)
1232 var tiffOffset = offset + 10,
1236 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1237 // No Exif data, might be XMP data instead
1241 // Check for the ASCII code for "Exif" (0x45786966):
1242 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1243 // No Exif data, might be XMP data instead
1246 if (tiffOffset + 8 > dataView.byteLength) {
1247 Roo.log('Invalid Exif data: Invalid segment size.');
1250 // Check for the two null bytes:
1251 if (dataView.getUint16(offset + 8) !== 0x0000) {
1252 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1255 // Check the byte alignment:
1256 switch (dataView.getUint16(tiffOffset)) {
1258 littleEndian = true;
1261 littleEndian = false;
1264 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1267 // Check for the TIFF tag marker (0x002A):
1268 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1269 Roo.log('Invalid Exif data: Missing TIFF marker.');
1272 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1273 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1278 tiffOffset + dirOffset,
1283 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1288 if (dirOffset + 6 > dataView.byteLength) {
1289 Roo.log('Invalid Exif data: Invalid directory offset.');
1292 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1293 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1294 if (dirEndOffset + 4 > dataView.byteLength) {
1295 Roo.log('Invalid Exif data: Invalid directory size.');
1298 for (i = 0; i < tagsNumber; i += 1) {
1302 dirOffset + 2 + 12 * i, // tag offset
1306 // Return the offset to the next directory:
1307 return dataView.getUint32(dirEndOffset, littleEndian);
1310 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1312 var tag = dataView.getUint16(offset, littleEndian);
1314 this.exif[tag] = this.getExifValue(
1318 dataView.getUint16(offset + 2, littleEndian), // tag type
1319 dataView.getUint32(offset + 4, littleEndian), // tag length
1324 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1326 var tagType = Roo.bootstrap.UploadCropbox.exifTagTypes[type],
1335 Roo.log('Invalid Exif data: Invalid tag type.');
1339 tagSize = tagType.size * length;
1340 // Determine if the value is contained in the dataOffset bytes,
1341 // or if the value at the dataOffset is a pointer to the actual data:
1342 dataOffset = tagSize > 4 ?
1343 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1344 if (dataOffset + tagSize > dataView.byteLength) {
1345 Roo.log('Invalid Exif data: Invalid data offset.');
1349 return tagType.getValue(dataView, dataOffset, littleEndian);
1352 for (i = 0; i < length; i += 1) {
1353 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1356 if (tagType.ascii) {
1358 // Concatenate the chars:
1359 for (i = 0; i < values.length; i += 1) {
1361 // Ignore the terminating NULL byte(s):
1362 if (c === '\u0000') {
1374 Roo.apply(Roo.bootstrap.UploadCropbox, {
1376 'Orientation': 0x0112
1382 3: 180, //'bottom-right',
1383 // 4: 'bottom-left',
1385 6: 90, //'right-top',
1386 // 7: 'right-bottom',
1387 8: 270 //'left-bottom'
1391 // byte, 8-bit unsigned int:
1393 getValue: function (dataView, dataOffset) {
1394 return dataView.getUint8(dataOffset);
1398 // ascii, 8-bit byte:
1400 getValue: function (dataView, dataOffset) {
1401 return String.fromCharCode(dataView.getUint8(dataOffset));
1406 // short, 16 bit int:
1408 getValue: function (dataView, dataOffset, littleEndian) {
1409 return dataView.getUint16(dataOffset, littleEndian);
1413 // long, 32 bit int:
1415 getValue: function (dataView, dataOffset, littleEndian) {
1416 return dataView.getUint32(dataOffset, littleEndian);
1420 // rational = two long values, first is numerator, second is denominator:
1422 getValue: function (dataView, dataOffset, littleEndian) {
1423 return dataView.getUint32(dataOffset, littleEndian) /
1424 dataView.getUint32(dataOffset + 4, littleEndian);
1428 // slong, 32 bit signed int:
1430 getValue: function (dataView, dataOffset, littleEndian) {
1431 return dataView.getInt32(dataOffset, littleEndian);
1435 // srational, two slongs, first is numerator, second is denominator:
1437 getValue: function (dataView, dataOffset, littleEndian) {
1438 return dataView.getInt32(dataOffset, littleEndian) /
1439 dataView.getInt32(dataOffset + 4, littleEndian);
1449 cls : 'btn-group roo-upload-cropbox-rotate-left',
1450 action : 'rotate-left',
1454 cls : 'btn btn-default',
1455 html : '<i class="fa fa-undo"></i>'
1461 cls : 'btn-group roo-upload-cropbox-picture',
1466 cls : 'btn btn-default',
1467 html : '<i class="fa fa-picture-o"></i>'
1473 cls : 'btn-group roo-upload-cropbox-rotate-right',
1474 action : 'rotate-right',
1478 cls : 'btn btn-default',
1479 html : '<i class="fa fa-repeat"></i>'
1487 cls : 'btn-group roo-upload-cropbox-rotate-left',
1488 action : 'rotate-left',
1492 cls : 'btn btn-default',
1493 html : '<i class="fa fa-undo"></i>'
1499 cls : 'btn-group roo-upload-cropbox-download',
1500 action : 'download',
1504 cls : 'btn btn-default',
1505 html : '<i class="fa fa-download"></i>'
1511 cls : 'btn-group roo-upload-cropbox-crop',
1516 cls : 'btn btn-default',
1517 html : '<i class="fa fa-crop"></i>'
1523 cls : 'btn-group roo-upload-cropbox-trash',
1528 cls : 'btn btn-default',
1529 html : '<i class="fa fa-trash"></i>'
1535 cls : 'btn-group roo-upload-cropbox-rotate-right',
1536 action : 'rotate-right',
1540 cls : 'btn btn-default',
1541 html : '<i class="fa fa-repeat"></i>'
1549 cls : 'btn-group roo-upload-cropbox-rotate-left',
1550 action : 'rotate-left',
1554 cls : 'btn btn-default',
1555 html : '<i class="fa fa-undo"></i>'
1561 cls : 'btn-group roo-upload-cropbox-rotate-right',
1562 action : 'rotate-right',
1566 cls : 'btn btn-default',
1567 html : '<i class="fa fa-repeat"></i>'