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 {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
17 * @cfg {Boolean} isDocument (true|false) default false
18 * @cfg {String} url action url
19 * @cfg {String} paramName default 'imageUpload'
20 * @cfg {String} method default POST
21 * @cfg {Boolean} loadMask (true|false) default true
22 * @cfg {Boolean} loadingText default 'Loading...'
25 * Create a new UploadCropbox
26 * @param {Object} config The config object
29 Roo.dialog.UploadCropbox = function(config){
30 Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
34 * @event beforeselectfile
35 * Fire before select file
36 * @param {Roo.dialog.UploadCropbox} this
38 "beforeselectfile" : true,
41 * Fire after initEvent
42 * @param {Roo.dialog.UploadCropbox} this
47 * Fire after initEvent
48 * @param {Roo.dialog.UploadCropbox} this
49 * @param {String} data
54 * Fire when preparing the file data
55 * @param {Roo.dialog.UploadCropbox} this
56 * @param {Object} file
61 * Fire when get exception
62 * @param {Roo.dialog.UploadCropbox} this
63 * @param {XMLHttpRequest} xhr
67 * @event beforeloadcanvas
68 * Fire before load the canvas
69 * @param {Roo.dialog.UploadCropbox} this
72 "beforeloadcanvas" : true,
75 * Fire when trash image
76 * @param {Roo.dialog.UploadCropbox} this
81 * Fire when download the image
82 * @param {Roo.dialog.UploadCropbox} this
86 * @event footerbuttonclick
87 * Fire when footerbuttonclick
88 * @param {Roo.dialog.UploadCropbox} this
89 * @param {String} type
91 "footerbuttonclick" : true,
95 * @param {Roo.dialog.UploadCropbox} this
100 * Fire when rotate the image
101 * @param {Roo.dialog.UploadCropbox} this
102 * @param {String} pos
107 * Fire when inspect the file
108 * @param {Roo.dialog.UploadCropbox} this
109 * @param {Object} file
114 * Fire when xhr upload the file
115 * @param {Roo.dialog.UploadCropbox} this
116 * @param {Object} data
121 * Fire when arrange the file data
122 * @param {Roo.dialog.UploadCropbox} this
123 * @param {Object} formData
128 * Fire after load the canvas
129 * @param {Roo.dialog.UploadCropbox}
130 * @param {Object} imgEl
135 this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
138 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component, {
140 emptyText : 'Click to upload image',
141 rotateNotify : 'Image is too small to rotate',
153 outputMaxWidth : 1200,
157 cropType : 'image/jpeg',
159 canvasLoaded : false,
162 paramName : 'imageUpload',
164 loadingText : 'Loading...',
167 getAutoCreate : function()
171 cls : 'roo-upload-cropbox',
175 cls : 'roo-upload-cropbox-selector',
180 cls : 'roo-upload-cropbox-body',
181 style : 'cursor:pointer',
185 cls : 'roo-upload-cropbox-preview'
189 cls : 'roo-upload-cropbox-thumb'
193 cls : 'roo-upload-cropbox-empty-notify',
194 html : this.emptyText
198 cls : 'roo-upload-cropbox-error-notify alert alert-danger',
199 html : this.rotateNotify
205 cls : 'roo-upload-cropbox-footer',
208 cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
218 onRender : function(ct, position)
220 Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
223 if (this.el.attr('xtype')) {
224 this.el.attr('xtypex', this.el.attr('xtype'));
225 this.el.dom.removeAttribute('xtype');
231 var cfg = Roo.apply({}, this.getAutoCreate());
233 cfg.id = this.id || Roo.id();
236 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
239 if (this.style) { // fixme needs to support more complex style data.
240 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
243 this.el = ct.createChild(cfg, position);
248 if (this.buttons.length) {
250 Roo.each(this.buttons, function(bb) {
252 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
254 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
260 this.maskEl = this.el;
264 initEvents : function()
266 this.urlAPI = (window.createObjectURL && window) ||
267 (window.URL && URL.revokeObjectURL && URL) ||
268 (window.webkitURL && webkitURL);
270 this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
271 this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
273 this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
274 this.selectorEl.hide();
276 this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
277 this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
279 this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
280 this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
283 this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
284 this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
286 this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
287 this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
290 this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
291 this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
292 this.footerEl.hide();
294 this.setThumbBoxSize();
300 this.fireEvent('initial', this);
307 window.addEventListener("resize", function() { _this.resize(); } );
309 this.bodyEl.on('click', this.beforeSelectFile, this);
312 this.bodyEl.on('touchstart', this.onTouchStart, this);
313 this.bodyEl.on('touchmove', this.onTouchMove, this);
314 this.bodyEl.on('touchend', this.onTouchEnd, this);
318 this.bodyEl.on('mousedown', this.onMouseDown, this);
319 this.bodyEl.on('mousemove', this.onMouseMove, this);
320 var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
321 this.bodyEl.on(mousewheel, this.onMouseWheel, this);
322 Roo.get(document).on('mouseup', this.onMouseUp, this);
325 this.selectorEl.on('change', this.onFileSelected, this);
334 this.dragable = false;
335 this.pinching = false;
338 this.cropData = false;
339 this.notifyEl.dom.innerHTML = this.emptyText;
341 // this.selectorEl.dom.value = '';
347 if(this.fireEvent('resize', this) != false){
348 this.setThumbBoxPosition();
349 this.setCanvasPosition();
353 onFooterButtonClick : function(e, el, o, type)
357 this.onRotateLeft(e);
359 case 'rotate-right' :
360 this.onRotateRight(e);
363 this.beforeSelectFile(e);
378 this.fireEvent('footerbuttonclick', this, type);
381 beforeSelectFile : function(e)
385 if(this.fireEvent('beforeselectfile', this) != false){
386 this.selectorEl.dom.click();
390 onFileSelected : function(e)
394 if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
398 var file = this.selectorEl.dom.files[0];
400 if(this.fireEvent('inspect', this, file) != false){
408 this.fireEvent('trash', this);
411 download : function(e)
413 this.fireEvent('download', this);
416 loadCanvas : function(src)
418 if(this.fireEvent('beforeloadcanvas', this, src) != false){
422 this.imageEl = document.createElement('img');
426 this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
428 this.imageEl.src = src;
432 onLoadCanvas : function()
434 this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
435 this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
437 if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
439 this.bodyEl.un('click', this.beforeSelectFile, this);
441 this.notifyEl.hide();
443 this.footerEl.show();
445 this.baseRotateLevel();
448 this.setThumbBoxSize();
451 this.setThumbBoxPosition();
453 this.baseScaleLevel();
459 this.canvasLoaded = true;
464 this.maskEl.unmask();
469 setCanvasPosition : function()
475 var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
476 var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
478 this.previewEl.setLeft(pw);
479 this.previewEl.setTop(ph);
483 onMouseDown : function(e)
487 this.dragable = true;
488 this.pinching = false;
490 if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
491 this.dragable = false;
495 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
496 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
500 onMouseMove : function(e)
504 if(!this.canvasLoaded){
512 var minX = Math.ceil(this.thumbEl.getLeft(true));
513 var minY = Math.ceil(this.thumbEl.getTop(true));
515 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
516 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
530 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
531 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
536 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
537 var bgY = Math.ceil(y + this.previewEl.getTop(true));
539 bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
540 bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
542 this.previewEl.setLeft(bgX);
543 this.previewEl.setTop(bgY);
545 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
546 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
549 onMouseUp : function(e)
553 this.dragable = false;
556 onMouseWheel : function(e)
560 this.startScale = this.scale;
561 this.scale = (e.getWheelDelta() > 0) ? (this.scale + 1) : (this.scale - 1);
563 console.log('startScale: ' + this.startScale);
564 console.log('scale: ' + this.scale);
565 console.log('getWheelDelta: ' + e.getWheelDelta());
566 if(!this.zoomable()){
567 this.scale = this.startScale;
577 zoomable : function()
579 var minScale = this.thumbEl.getWidth() / this.minWidth;
581 if(this.minWidth < this.minHeight){
582 minScale = this.thumbEl.getHeight() / this.minHeight;
585 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
586 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
589 var maxWidth = this.imageEl.OriginWidth;
590 var maxHeight = this.imageEl.OriginHeight;
594 (this.rotate == 0 || this.rotate == 180) &&
596 width > this.imageEl.OriginWidth ||
597 height > this.imageEl.OriginHeight ||
598 (width < this.minWidth && height < this.minHeight)
606 (this.rotate == 90 || this.rotate == 270) &&
608 width > this.imageEl.OriginWidth ||
609 height > this.imageEl.OriginHeight ||
610 (width < this.minHeight && height < this.minWidth)
618 (this.rotate == 0 || this.rotate == 180) &&
620 (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
621 (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
631 (this.rotate == 90 || this.rotate == 270) &&
633 width < this.minHeight ||
634 width > this.imageEl.OriginWidth ||
635 height < this.minWidth ||
636 height > this.imageEl.OriginHeight
646 onRotateLeft : function(e)
648 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
650 var minScale = this.thumbEl.getWidth() / this.minWidth;
652 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
653 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
655 this.startScale = this.scale;
657 while (this.getScaleLevel() < minScale){
659 this.scale = this.scale + 1;
661 if(!this.zoomable()){
666 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
667 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
672 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
679 this.scale = this.startScale;
686 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
689 this.setThumbBoxSize();
690 this.setThumbBoxPosition();
691 this.setCanvasPosition();
696 this.fireEvent('rotate', this, 'left');
700 onRotateRight : function(e)
702 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
704 var minScale = this.thumbEl.getWidth() / this.minWidth;
706 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
707 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
709 this.startScale = this.scale;
711 while (this.getScaleLevel() < minScale){
713 this.scale = this.scale + 1;
715 if(!this.zoomable()){
720 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
721 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
726 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
733 this.scale = this.startScale;
740 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
743 this.setThumbBoxSize();
744 this.setThumbBoxPosition();
745 this.setCanvasPosition();
750 this.fireEvent('rotate', this, 'right');
753 onRotateFail : function()
755 this.errorEl.show(true);
759 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
764 this.previewEl.dom.innerHTML = '';
766 var canvasEl = document.createElement("canvas");
768 var contextEl = canvasEl.getContext("2d");
770 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
771 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
772 var center = this.imageEl.OriginWidth / 2;
774 if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
775 canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
776 canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
777 center = this.imageEl.OriginHeight / 2;
780 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
782 contextEl.translate(center, center);
783 contextEl.rotate(this.rotate * Math.PI / 180);
785 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
787 this.canvasEl = document.createElement("canvas");
789 this.contextEl = this.canvasEl.getContext("2d");
791 switch (this.rotate) {
794 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
795 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
797 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
802 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
803 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
805 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
806 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);
810 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
815 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
816 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
818 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
819 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);
823 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 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
829 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
831 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
832 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
836 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);
843 this.previewEl.appendChild(this.canvasEl);
845 this.setCanvasPosition();
850 if(!this.canvasLoaded){
854 var imageCanvas = document.createElement("canvas");
856 var imageContext = imageCanvas.getContext("2d");
858 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
859 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
861 var center = imageCanvas.width / 2;
863 imageContext.translate(center, center);
865 imageContext.rotate(this.rotate * Math.PI / 180);
867 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
869 var canvas = document.createElement("canvas");
871 var context = canvas.getContext("2d");
873 canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
875 canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
877 switch (this.rotate) {
880 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
881 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
883 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
884 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
886 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
887 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
889 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
890 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
892 if(canvas.width > this.outputMaxWidth) {
893 var scale = this.outputMaxWidth / canvas.width;
894 canvas.width = canvas.width * scale;
895 canvas.height = canvas.height * scale;
896 context.scale(scale, scale);
899 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
904 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
905 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
907 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
908 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
910 var targetWidth = this.minWidth - 2 * x;
911 var targetHeight = this.minHeight - 2 * y;
915 if((x == 0 && y == 0) || (x == 0 && y > 0)){
916 scale = targetWidth / width;
920 scale = targetHeight / height;
924 scale = targetWidth / width;
927 scale = targetHeight / height;
931 context.scale(scale, scale);
933 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
934 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
936 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
937 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
939 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
941 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
946 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
947 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
949 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
950 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
952 var targetWidth = this.minWidth - 2 * x;
953 var targetHeight = this.minHeight - 2 * y;
957 if((x == 0 && y == 0) || (x == 0 && y > 0)){
958 scale = targetWidth / width;
962 scale = targetHeight / height;
966 scale = targetWidth / width;
969 scale = targetHeight / height;
973 context.scale(scale, scale);
975 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
976 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
978 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
979 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
981 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
982 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
984 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
989 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
990 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
992 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
993 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
995 var targetWidth = this.minWidth - 2 * x;
996 var targetHeight = this.minHeight - 2 * y;
1000 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1001 scale = targetWidth / width;
1004 if(x > 0 && y == 0){
1005 scale = targetHeight / height;
1009 scale = targetWidth / width;
1012 scale = targetHeight / height;
1016 context.scale(scale, scale);
1017 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1018 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1020 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1021 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1023 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1025 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1032 this.cropData = canvas.toDataURL(this.cropType);
1034 if(this.fireEvent('crop', this, this.cropData) !== false){
1035 this.process(this.file, this.cropData);
1042 setThumbBoxSize : function()
1046 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1047 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1048 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1050 this.minWidth = width;
1051 this.minHeight = height;
1053 if(this.rotate == 90 || this.rotate == 270){
1054 this.minWidth = height;
1055 this.minHeight = width;
1060 width = Math.ceil(this.minWidth * height / this.minHeight);
1062 if(this.minWidth > this.minHeight){
1064 height = Math.ceil(this.minHeight * width / this.minWidth);
1067 this.thumbEl.setStyle({
1068 width : width + 'px',
1069 height : height + 'px'
1076 setThumbBoxPosition : function()
1078 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1079 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1081 this.thumbEl.setLeft(x);
1082 this.thumbEl.setTop(y);
1086 baseRotateLevel : function()
1088 this.baseRotate = 1;
1091 typeof(this.exif) != 'undefined' &&
1092 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1093 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1095 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1098 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1102 baseScaleLevel : function()
1106 if(this.isDocument){
1108 if(this.baseRotate == 6 || this.baseRotate == 8){
1110 height = this.thumbEl.getHeight();
1111 this.baseScale = height / this.imageEl.OriginWidth;
1113 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1114 width = this.thumbEl.getWidth();
1115 this.baseScale = width / this.imageEl.OriginHeight;
1121 height = this.thumbEl.getHeight();
1122 this.baseScale = height / this.imageEl.OriginHeight;
1124 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1125 width = this.thumbEl.getWidth();
1126 this.baseScale = width / this.imageEl.OriginWidth;
1132 if(this.baseRotate == 6 || this.baseRotate == 8){
1134 width = this.thumbEl.getHeight();
1135 this.baseScale = width / this.imageEl.OriginHeight;
1137 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1138 height = this.thumbEl.getWidth();
1139 this.baseScale = height / this.imageEl.OriginHeight;
1142 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1143 height = this.thumbEl.getWidth();
1144 this.baseScale = height / this.imageEl.OriginHeight;
1146 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1147 width = this.thumbEl.getHeight();
1148 this.baseScale = width / this.imageEl.OriginWidth;
1155 width = this.thumbEl.getWidth();
1156 this.baseScale = width / this.imageEl.OriginWidth;
1158 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1159 height = this.thumbEl.getHeight();
1160 this.baseScale = height / this.imageEl.OriginHeight;
1163 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1165 height = this.thumbEl.getHeight();
1166 this.baseScale = height / this.imageEl.OriginHeight;
1168 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1169 width = this.thumbEl.getWidth();
1170 this.baseScale = width / this.imageEl.OriginWidth;
1175 if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1176 this.baseScale = width / this.minWidth;
1182 getScaleLevel : function()
1184 return this.baseScale * Math.pow(1.02, this.scale);
1187 onTouchStart : function(e)
1189 if(!this.canvasLoaded){
1190 this.beforeSelectFile(e);
1194 var touches = e.browserEvent.touches;
1200 if(touches.length == 1){
1201 this.onMouseDown(e);
1205 if(touches.length != 2){
1211 for(var i = 0, finger; finger = touches[i]; i++){
1212 coords.push(finger.pageX, finger.pageY);
1215 var x = Math.pow(coords[0] - coords[2], 2);
1216 var y = Math.pow(coords[1] - coords[3], 2);
1218 this.startDistance = Math.sqrt(x + y);
1220 this.startScale = this.scale;
1222 this.pinching = true;
1223 this.dragable = false;
1227 onTouchMove : function(e)
1229 if(!this.pinching && !this.dragable){
1233 var touches = e.browserEvent.touches;
1240 this.onMouseMove(e);
1246 for(var i = 0, finger; finger = touches[i]; i++){
1247 coords.push(finger.pageX, finger.pageY);
1250 var x = Math.pow(coords[0] - coords[2], 2);
1251 var y = Math.pow(coords[1] - coords[3], 2);
1253 this.endDistance = Math.sqrt(x + y);
1255 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1257 if(!this.zoomable()){
1258 this.scale = this.startScale;
1266 onTouchEnd : function(e)
1268 this.pinching = false;
1269 this.dragable = false;
1273 process : function(file, crop)
1276 this.maskEl.mask(this.loadingText);
1279 this.xhr = new XMLHttpRequest();
1281 file.xhr = this.xhr;
1283 this.xhr.open(this.method, this.url, true);
1286 "Accept": "application/json",
1287 "Cache-Control": "no-cache",
1288 "X-Requested-With": "XMLHttpRequest"
1291 for (var headerName in headers) {
1292 var headerValue = headers[headerName];
1294 this.xhr.setRequestHeader(headerName, headerValue);
1300 this.xhr.onload = function()
1302 _this.xhrOnLoad(_this.xhr);
1305 this.xhr.onerror = function()
1307 _this.xhrOnError(_this.xhr);
1310 var formData = new FormData();
1312 formData.append('returnHTML', 'NO');
1315 formData.append('crop', crop);
1316 var blobBin = atob(crop.split(',')[1]);
1318 for(var i = 0; i < blobBin.length; i++) {
1319 array.push(blobBin.charCodeAt(i));
1321 var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1322 formData.append(this.paramName, croppedFile, file.name);
1325 if(typeof(file.filename) != 'undefined'){
1326 formData.append('filename', file.filename);
1329 if(typeof(file.mimetype) != 'undefined'){
1330 formData.append('mimetype', file.mimetype);
1333 if(this.fireEvent('arrange', this, formData) != false){
1334 this.xhr.send(formData);
1338 xhrOnLoad : function(xhr)
1341 this.maskEl.unmask();
1344 if (xhr.readyState !== 4) {
1345 this.fireEvent('exception', this, xhr);
1349 var response = Roo.decode(xhr.responseText);
1351 if(!response.success){
1352 this.fireEvent('exception', this, xhr);
1356 var response = Roo.decode(xhr.responseText);
1358 this.fireEvent('upload', this, response);
1362 xhrOnError : function()
1365 this.maskEl.unmask();
1368 Roo.log('xhr on error');
1370 var response = Roo.decode(xhr.responseText);
1376 prepare : function(file)
1379 this.maskEl.mask(this.loadingText);
1385 if(typeof(file) === 'string'){
1386 this.loadCanvas(file);
1390 if(!file || !this.urlAPI){
1395 if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1396 this.cropType = file.type;
1401 if(this.fireEvent('prepare', this, this.file) != false){
1403 var reader = new FileReader();
1405 reader.onload = function (e) {
1406 if (e.target.error) {
1407 Roo.log(e.target.error);
1411 var buffer = e.target.result,
1412 dataView = new DataView(buffer),
1414 maxOffset = dataView.byteLength - 4,
1418 if (dataView.getUint16(0) === 0xffd8) {
1419 while (offset < maxOffset) {
1420 markerBytes = dataView.getUint16(offset);
1422 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1423 markerLength = dataView.getUint16(offset + 2) + 2;
1424 if (offset + markerLength > dataView.byteLength) {
1425 Roo.log('Invalid meta data: Invalid segment size.');
1429 if(markerBytes == 0xffe1){
1430 _this.parseExifData(
1437 offset += markerLength;
1447 var url = _this.urlAPI.createObjectURL(_this.file);
1449 _this.loadCanvas(url);
1454 reader.readAsArrayBuffer(this.file);
1460 parseExifData : function(dataView, offset, length)
1462 var tiffOffset = offset + 10,
1466 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1467 // No Exif data, might be XMP data instead
1471 // Check for the ASCII code for "Exif" (0x45786966):
1472 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1473 // No Exif data, might be XMP data instead
1476 if (tiffOffset + 8 > dataView.byteLength) {
1477 Roo.log('Invalid Exif data: Invalid segment size.');
1480 // Check for the two null bytes:
1481 if (dataView.getUint16(offset + 8) !== 0x0000) {
1482 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1485 // Check the byte alignment:
1486 switch (dataView.getUint16(tiffOffset)) {
1488 littleEndian = true;
1491 littleEndian = false;
1494 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1497 // Check for the TIFF tag marker (0x002A):
1498 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1499 Roo.log('Invalid Exif data: Missing TIFF marker.');
1502 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1503 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1508 tiffOffset + dirOffset,
1513 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1518 if (dirOffset + 6 > dataView.byteLength) {
1519 Roo.log('Invalid Exif data: Invalid directory offset.');
1522 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1523 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1524 if (dirEndOffset + 4 > dataView.byteLength) {
1525 Roo.log('Invalid Exif data: Invalid directory size.');
1528 for (i = 0; i < tagsNumber; i += 1) {
1532 dirOffset + 2 + 12 * i, // tag offset
1536 // Return the offset to the next directory:
1537 return dataView.getUint32(dirEndOffset, littleEndian);
1540 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1542 var tag = dataView.getUint16(offset, littleEndian);
1544 this.exif[tag] = this.getExifValue(
1548 dataView.getUint16(offset + 2, littleEndian), // tag type
1549 dataView.getUint32(offset + 4, littleEndian), // tag length
1554 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1556 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1565 Roo.log('Invalid Exif data: Invalid tag type.');
1569 tagSize = tagType.size * length;
1570 // Determine if the value is contained in the dataOffset bytes,
1571 // or if the value at the dataOffset is a pointer to the actual data:
1572 dataOffset = tagSize > 4 ?
1573 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1574 if (dataOffset + tagSize > dataView.byteLength) {
1575 Roo.log('Invalid Exif data: Invalid data offset.');
1579 return tagType.getValue(dataView, dataOffset, littleEndian);
1582 for (i = 0; i < length; i += 1) {
1583 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1586 if (tagType.ascii) {
1588 // Concatenate the chars:
1589 for (i = 0; i < values.length; i += 1) {
1591 // Ignore the terminating NULL byte(s):
1592 if (c === '\u0000') {
1604 Roo.apply(Roo.dialog.UploadCropbox, {
1606 'Orientation': 0x0112
1612 3: 180, //'bottom-right',
1613 // 4: 'bottom-left',
1615 6: 90, //'right-top',
1616 // 7: 'right-bottom',
1617 8: 270 //'left-bottom'
1621 // byte, 8-bit unsigned int:
1623 getValue: function (dataView, dataOffset) {
1624 return dataView.getUint8(dataOffset);
1628 // ascii, 8-bit byte:
1630 getValue: function (dataView, dataOffset) {
1631 return String.fromCharCode(dataView.getUint8(dataOffset));
1636 // short, 16 bit int:
1638 getValue: function (dataView, dataOffset, littleEndian) {
1639 return dataView.getUint16(dataOffset, littleEndian);
1643 // long, 32 bit int:
1645 getValue: function (dataView, dataOffset, littleEndian) {
1646 return dataView.getUint32(dataOffset, littleEndian);
1650 // rational = two long values, first is numerator, second is denominator:
1652 getValue: function (dataView, dataOffset, littleEndian) {
1653 return dataView.getUint32(dataOffset, littleEndian) /
1654 dataView.getUint32(dataOffset + 4, littleEndian);
1658 // slong, 32 bit signed int:
1660 getValue: function (dataView, dataOffset, littleEndian) {
1661 return dataView.getInt32(dataOffset, littleEndian);
1665 // srational, two slongs, first is numerator, second is denominator:
1667 getValue: function (dataView, dataOffset, littleEndian) {
1668 return dataView.getInt32(dataOffset, littleEndian) /
1669 dataView.getInt32(dataOffset + 4, littleEndian);
1679 cls : 'btn-group roo-upload-cropbox-rotate-left',
1680 action : 'rotate-left',
1684 cls : 'btn btn-default',
1685 html : '<i class="fa fa-undo"></i>'
1691 cls : 'btn-group roo-upload-cropbox-picture',
1696 cls : 'btn btn-default',
1697 html : '<i class="fa fa-picture-o"></i>'
1703 cls : 'btn-group roo-upload-cropbox-rotate-right',
1704 action : 'rotate-right',
1708 cls : 'btn btn-default',
1709 html : '<i class="fa fa-repeat"></i>'
1717 cls : 'btn-group roo-upload-cropbox-rotate-left',
1718 action : 'rotate-left',
1722 cls : 'btn btn-default',
1723 html : '<i class="fa fa-undo"></i>'
1729 cls : 'btn-group roo-upload-cropbox-download',
1730 action : 'download',
1734 cls : 'btn btn-default',
1735 html : '<i class="fa fa-download"></i>'
1741 cls : 'btn-group roo-upload-cropbox-crop',
1746 cls : 'btn btn-default',
1747 html : '<i class="fa fa-crop"></i>'
1753 cls : 'btn-group roo-upload-cropbox-trash',
1758 cls : 'btn btn-default',
1759 html : '<i class="fa fa-trash"></i>'
1765 cls : 'btn-group roo-upload-cropbox-rotate-right',
1766 action : 'rotate-right',
1770 cls : 'btn btn-default',
1771 html : '<i class="fa fa-repeat"></i>'
1779 cls : 'btn-group roo-upload-cropbox-rotate-left',
1780 action : 'rotate-left',
1784 cls : 'btn btn-default',
1785 html : '<i class="fa fa-undo"></i>'
1791 cls : 'btn-group roo-upload-cropbox-rotate-right',
1792 action : 'rotate-right',
1796 cls : 'btn btn-default',
1797 html : '<i class="fa fa-repeat"></i>'