7 * @class Roo.dialog.UploadCropbox
8 * @extends Roo.BoxComponent
9 * Dialog UploadCropbox class
10 * @cfg {String} emptyText show when image has been loaded
11 * @cfg {String} rotateNotify show when image too small to rotate
12 * @cfg {Number} errorTimeout default 3000
13 * @cfg {Number} minWidth default 300
14 * @cfg {Number} minHeight default 300
15 * @cfg {Number} outputMaxWidth default 1200
16 * @cfg {Number} windowSize default 300
17 * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
18 * @cfg {Boolean} isDocument (true|false) default false
19 * @cfg {String} url action url
20 * @cfg {String} paramName default 'imageUpload'
21 * @cfg {String} method default POST
22 * @cfg {Boolean} loadMask (true|false) default true
23 * @cfg {Boolean} loadingText default 'Loading...'
26 * Create a new UploadCropbox
27 * @param {Object} config The config object
30 Roo.dialog.UploadCropbox = function(config){
31 Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
35 * @event beforeselectfile
36 * Fire before select file
37 * @param {Roo.dialog.UploadCropbox} this
39 "beforeselectfile" : true,
42 * Fire after initEvent
43 * @param {Roo.dialog.UploadCropbox} this
48 * Fire after initEvent
49 * @param {Roo.dialog.UploadCropbox} this
50 * @param {String} data
55 * Fire when preparing the file data
56 * @param {Roo.dialog.UploadCropbox} this
57 * @param {Object} file
62 * Fire when get exception
63 * @param {Roo.dialog.UploadCropbox} this
64 * @param {XMLHttpRequest} xhr
68 * @event beforeloadcanvas
69 * Fire before load the canvas
70 * @param {Roo.dialog.UploadCropbox} this
73 "beforeloadcanvas" : true,
76 * Fire when trash image
77 * @param {Roo.dialog.UploadCropbox} this
82 * Fire when download the image
83 * @param {Roo.dialog.UploadCropbox} this
87 * @event footerbuttonclick
88 * Fire when footerbuttonclick
89 * @param {Roo.dialog.UploadCropbox} this
90 * @param {String} type
92 "footerbuttonclick" : true,
96 * @param {Roo.dialog.UploadCropbox} this
101 * Fire when rotate the image
102 * @param {Roo.dialog.UploadCropbox} this
103 * @param {String} pos
108 * Fire when inspect the file
109 * @param {Roo.dialog.UploadCropbox} this
110 * @param {Object} file
115 * Fire when xhr upload the file
116 * @param {Roo.dialog.UploadCropbox} this
117 * @param {Object} data
122 * Fire when arrange the file data
123 * @param {Roo.dialog.UploadCropbox} this
124 * @param {Object} formData
129 * Fire after load the canvas
130 * @param {Roo.dialog.UploadCropbox}
131 * @param {Object} imgEl
136 this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
139 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component, {
141 emptyText : 'Click to upload image',
142 rotateNotify : 'Image is too small to rotate',
154 outputMaxWidth : 1200,
159 cropType : 'image/jpeg',
161 canvasLoaded : false,
164 paramName : 'imageUpload',
166 loadingText : 'Loading...',
169 getAutoCreate : function()
173 cls : 'roo-upload-cropbox',
177 cls : 'roo-upload-cropbox-selector',
182 cls : 'roo-upload-cropbox-body',
183 style : 'cursor:pointer',
187 cls : 'roo-upload-cropbox-preview'
191 cls : 'roo-upload-cropbox-thumb'
195 cls : 'roo-upload-cropbox-empty-notify',
196 html : this.emptyText
200 cls : 'roo-upload-cropbox-error-notify alert alert-danger',
201 html : this.rotateNotify
207 cls : 'roo-upload-cropbox-footer',
210 cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
220 onRender : function(ct, position)
222 Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
225 if (this.el.attr('xtype')) {
226 this.el.attr('xtypex', this.el.attr('xtype'));
227 this.el.dom.removeAttribute('xtype');
233 var cfg = Roo.apply({}, this.getAutoCreate());
235 cfg.id = this.id || Roo.id();
238 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
241 if (this.style) { // fixme needs to support more complex style data.
242 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
245 this.el = ct.createChild(cfg, position);
250 if (this.buttons.length) {
252 Roo.each(this.buttons, function(bb) {
254 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
256 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
262 this.maskEl = this.el;
266 initEvents : function()
268 this.urlAPI = (window.createObjectURL && window) ||
269 (window.URL && URL.revokeObjectURL && URL) ||
270 (window.webkitURL && webkitURL);
272 this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
273 this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
275 this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
276 this.selectorEl.hide();
278 this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
279 this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
281 this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
282 this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
285 this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
286 this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
288 this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
289 this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
292 this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
293 this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
294 this.footerEl.hide();
296 this.setThumbBoxSize();
302 this.fireEvent('initial', this);
309 window.addEventListener("resize", function() { _this.resize(); } );
311 this.bodyEl.on('click', this.beforeSelectFile, this);
314 this.bodyEl.on('touchstart', this.onTouchStart, this);
315 this.bodyEl.on('touchmove', this.onTouchMove, this);
316 this.bodyEl.on('touchend', this.onTouchEnd, this);
320 this.bodyEl.on('mousedown', this.onMouseDown, this);
321 this.bodyEl.on('mousemove', this.onMouseMove, this);
322 var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
323 this.bodyEl.on(mousewheel, this.onMouseWheel, this);
324 Roo.get(document).on('mouseup', this.onMouseUp, this);
327 this.selectorEl.on('change', this.onFileSelected, this);
336 this.dragable = false;
337 this.pinching = false;
340 this.cropData = false;
341 this.notifyEl.dom.innerHTML = this.emptyText;
343 // this.selectorEl.dom.value = '';
349 if(this.fireEvent('resize', this) != false){
350 this.setThumbBoxPosition();
351 this.setCanvasPosition();
355 onFooterButtonClick : function(e, el, o, type)
359 this.onRotateLeft(e);
361 case 'rotate-right' :
362 this.onRotateRight(e);
365 this.beforeSelectFile(e);
380 this.fireEvent('footerbuttonclick', this, type);
383 beforeSelectFile : function(e)
387 if(this.fireEvent('beforeselectfile', this) != false){
388 this.selectorEl.dom.click();
392 onFileSelected : function(e)
396 if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
400 var file = this.selectorEl.dom.files[0];
402 if(this.fireEvent('inspect', this, file) != false){
410 this.fireEvent('trash', this);
413 download : function(e)
415 this.fireEvent('download', this);
418 loadCanvas : function(src)
420 if(this.fireEvent('beforeloadcanvas', this, src) != false){
424 this.imageEl = document.createElement('img');
428 this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
430 this.imageEl.src = src;
434 onLoadCanvas : function()
436 this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
437 this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
439 if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
441 this.bodyEl.un('click', this.beforeSelectFile, this);
443 this.notifyEl.hide();
445 this.footerEl.show();
447 this.baseRotateLevel();
450 this.setThumbBoxSize();
453 this.setThumbBoxPosition();
455 this.baseScaleLevel();
461 this.canvasLoaded = true;
466 this.maskEl.unmask();
471 setCanvasPosition : function()
477 var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
478 var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
480 this.previewEl.setLeft(pw);
481 this.previewEl.setTop(ph);
485 onMouseDown : function(e)
489 this.dragable = true;
490 this.pinching = false;
492 if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
493 this.dragable = false;
497 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
498 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
502 onMouseMove : function(e)
506 if(!this.canvasLoaded){
514 var minX = Math.ceil(this.thumbEl.getLeft(true));
515 var minY = Math.ceil(this.thumbEl.getTop(true));
517 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
518 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
532 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
533 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
538 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
539 var bgY = Math.ceil(y + this.previewEl.getTop(true));
541 bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
542 bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
544 this.previewEl.setLeft(bgX);
545 this.previewEl.setTop(bgY);
547 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
548 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
551 onMouseUp : function(e)
555 this.dragable = false;
558 onMouseWheel : function(e)
562 this.startScale = this.scale;
563 this.scale = (e.getWheelDelta() > 0) ? (this.scale + 1) : (this.scale - 1);
565 if(!this.zoomable()){
566 this.scale = this.startScale;
576 zoomable : function()
578 var minScale = this.thumbEl.getWidth() / this.minWidth;
580 if(this.minWidth < this.minHeight){
581 minScale = this.thumbEl.getHeight() / this.minHeight;
584 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
585 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
588 var maxWidth = this.imageEl.OriginWidth;
589 var maxHeight = this.imageEl.OriginHeight;
593 (this.rotate == 0 || this.rotate == 180) &&
595 width > this.imageEl.OriginWidth ||
596 height > this.imageEl.OriginHeight ||
597 (width < this.minWidth && height < this.minHeight)
605 (this.rotate == 90 || this.rotate == 270) &&
607 width > this.imageEl.OriginWidth ||
608 height > this.imageEl.OriginHeight ||
609 (width < this.minHeight && height < this.minWidth)
617 (this.rotate == 0 || this.rotate == 180) &&
619 (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
620 (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
630 (this.rotate == 90 || this.rotate == 270) &&
632 width < this.minHeight ||
633 width > this.imageEl.OriginWidth ||
634 height < this.minWidth ||
635 height > this.imageEl.OriginHeight
645 onRotateLeft : function(e)
647 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
649 var minScale = this.thumbEl.getWidth() / this.minWidth;
651 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
652 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
654 this.startScale = this.scale;
656 while (this.getScaleLevel() < minScale){
658 this.scale = this.scale + 1;
660 if(!this.zoomable()){
665 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
666 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
671 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
678 this.scale = this.startScale;
685 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
688 this.setThumbBoxSize();
689 this.setThumbBoxPosition();
690 this.setCanvasPosition();
695 this.fireEvent('rotate', this, 'left');
699 onRotateRight : function(e)
701 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
703 var minScale = this.thumbEl.getWidth() / this.minWidth;
705 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
706 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
708 this.startScale = this.scale;
710 while (this.getScaleLevel() < minScale){
712 this.scale = this.scale + 1;
714 if(!this.zoomable()){
719 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
720 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
725 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
732 this.scale = this.startScale;
739 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
742 this.setThumbBoxSize();
743 this.setThumbBoxPosition();
744 this.setCanvasPosition();
749 this.fireEvent('rotate', this, 'right');
752 onRotateFail : function()
754 this.errorEl.show(true);
758 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
763 this.previewEl.dom.innerHTML = '';
765 var canvasEl = document.createElement("canvas");
767 var contextEl = canvasEl.getContext("2d");
769 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
770 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
771 var center = this.imageEl.OriginWidth / 2;
773 if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
774 canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
775 canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
776 center = this.imageEl.OriginHeight / 2;
779 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
781 contextEl.translate(center, center);
782 contextEl.rotate(this.rotate * Math.PI / 180);
784 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
786 this.canvasEl = document.createElement("canvas");
788 this.contextEl = this.canvasEl.getContext("2d");
790 switch (this.rotate) {
793 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
794 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
796 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
801 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
802 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
804 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
805 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);
809 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
814 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
815 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
817 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
818 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);
822 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);
827 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
828 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
830 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
831 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
835 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);
842 this.previewEl.appendChild(this.canvasEl);
844 this.setCanvasPosition();
849 if(!this.canvasLoaded){
853 var imageCanvas = document.createElement("canvas");
855 var imageContext = imageCanvas.getContext("2d");
857 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
858 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
860 var center = imageCanvas.width / 2;
862 imageContext.translate(center, center);
864 imageContext.rotate(this.rotate * Math.PI / 180);
866 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
868 var canvas = document.createElement("canvas");
870 var context = canvas.getContext("2d");
872 canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
874 canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
876 switch (this.rotate) {
879 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
880 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
882 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
883 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
885 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
886 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
888 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
889 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
891 if(canvas.width > this.outputMaxWidth) {
892 var scale = this.outputMaxWidth / canvas.width;
893 canvas.width = canvas.width * scale;
894 canvas.height = canvas.height * scale;
895 context.scale(scale, scale);
898 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
903 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
904 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
906 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
907 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
909 var targetWidth = this.minWidth - 2 * x;
910 var targetHeight = this.minHeight - 2 * y;
914 if((x == 0 && y == 0) || (x == 0 && y > 0)){
915 scale = targetWidth / width;
919 scale = targetHeight / height;
923 scale = targetWidth / width;
926 scale = targetHeight / height;
930 context.scale(scale, scale);
932 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
933 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
935 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
936 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
938 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
940 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
945 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
946 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
948 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
949 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
951 var targetWidth = this.minWidth - 2 * x;
952 var targetHeight = this.minHeight - 2 * y;
956 if((x == 0 && y == 0) || (x == 0 && y > 0)){
957 scale = targetWidth / width;
961 scale = targetHeight / height;
965 scale = targetWidth / width;
968 scale = targetHeight / height;
972 context.scale(scale, scale);
974 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
975 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
977 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
978 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
980 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
981 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
983 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
988 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
989 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
991 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
992 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
994 var targetWidth = this.minWidth - 2 * x;
995 var targetHeight = this.minHeight - 2 * y;
999 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1000 scale = targetWidth / width;
1003 if(x > 0 && y == 0){
1004 scale = targetHeight / height;
1008 scale = targetWidth / width;
1011 scale = targetHeight / height;
1015 context.scale(scale, scale);
1016 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1017 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1019 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1020 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1022 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1024 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1031 this.cropData = canvas.toDataURL(this.cropType);
1033 if(this.fireEvent('crop', this, this.cropData) !== false){
1034 this.process(this.file, this.cropData);
1041 setThumbBoxSize : function()
1045 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1046 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1047 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1049 this.minWidth = width;
1050 this.minHeight = height;
1052 if(this.rotate == 90 || this.rotate == 270){
1053 this.minWidth = height;
1054 this.minHeight = width;
1058 height = this.windowWidth;
1059 width = Math.ceil(this.minWidth * height / this.minHeight);
1061 if(this.minWidth > this.minHeight){
1062 width = this.windowWidth;
1063 height = Math.ceil(this.minHeight * width / this.minWidth);
1066 this.thumbEl.setStyle({
1067 width : width + 'px',
1068 height : height + 'px'
1075 setThumbBoxPosition : function()
1077 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1078 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1080 this.thumbEl.setLeft(x);
1081 this.thumbEl.setTop(y);
1085 baseRotateLevel : function()
1087 this.baseRotate = 1;
1090 typeof(this.exif) != 'undefined' &&
1091 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1092 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1094 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1097 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1101 baseScaleLevel : function()
1105 if(this.isDocument){
1107 if(this.baseRotate == 6 || this.baseRotate == 8){
1109 height = this.thumbEl.getHeight();
1110 this.baseScale = height / this.imageEl.OriginWidth;
1112 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1113 width = this.thumbEl.getWidth();
1114 this.baseScale = width / this.imageEl.OriginHeight;
1120 height = this.thumbEl.getHeight();
1121 this.baseScale = height / this.imageEl.OriginHeight;
1123 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1124 width = this.thumbEl.getWidth();
1125 this.baseScale = width / this.imageEl.OriginWidth;
1131 if(this.baseRotate == 6 || this.baseRotate == 8){
1133 width = this.thumbEl.getHeight();
1134 this.baseScale = width / this.imageEl.OriginHeight;
1136 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1137 height = this.thumbEl.getWidth();
1138 this.baseScale = height / this.imageEl.OriginHeight;
1141 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1142 height = this.thumbEl.getWidth();
1143 this.baseScale = height / this.imageEl.OriginHeight;
1145 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1146 width = this.thumbEl.getHeight();
1147 this.baseScale = width / this.imageEl.OriginWidth;
1154 width = this.thumbEl.getWidth();
1155 this.baseScale = width / this.imageEl.OriginWidth;
1157 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1158 height = this.thumbEl.getHeight();
1159 this.baseScale = height / this.imageEl.OriginHeight;
1162 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1164 height = this.thumbEl.getHeight();
1165 this.baseScale = height / this.imageEl.OriginHeight;
1167 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1168 width = this.thumbEl.getWidth();
1169 this.baseScale = width / this.imageEl.OriginWidth;
1174 if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1175 this.baseScale = width / this.minWidth;
1181 getScaleLevel : function()
1183 return this.baseScale * Math.pow(1.02, this.scale);
1186 onTouchStart : function(e)
1188 if(!this.canvasLoaded){
1189 this.beforeSelectFile(e);
1193 var touches = e.browserEvent.touches;
1199 if(touches.length == 1){
1200 this.onMouseDown(e);
1204 if(touches.length != 2){
1210 for(var i = 0, finger; finger = touches[i]; i++){
1211 coords.push(finger.pageX, finger.pageY);
1214 var x = Math.pow(coords[0] - coords[2], 2);
1215 var y = Math.pow(coords[1] - coords[3], 2);
1217 this.startDistance = Math.sqrt(x + y);
1219 this.startScale = this.scale;
1221 this.pinching = true;
1222 this.dragable = false;
1226 onTouchMove : function(e)
1228 if(!this.pinching && !this.dragable){
1232 var touches = e.browserEvent.touches;
1239 this.onMouseMove(e);
1245 for(var i = 0, finger; finger = touches[i]; i++){
1246 coords.push(finger.pageX, finger.pageY);
1249 var x = Math.pow(coords[0] - coords[2], 2);
1250 var y = Math.pow(coords[1] - coords[3], 2);
1252 this.endDistance = Math.sqrt(x + y);
1254 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1256 if(!this.zoomable()){
1257 this.scale = this.startScale;
1265 onTouchEnd : function(e)
1267 this.pinching = false;
1268 this.dragable = false;
1272 process : function(file, crop)
1275 this.maskEl.mask(this.loadingText);
1278 this.xhr = new XMLHttpRequest();
1280 file.xhr = this.xhr;
1282 this.xhr.open(this.method, this.url, true);
1285 "Accept": "application/json",
1286 "Cache-Control": "no-cache",
1287 "X-Requested-With": "XMLHttpRequest"
1290 for (var headerName in headers) {
1291 var headerValue = headers[headerName];
1293 this.xhr.setRequestHeader(headerName, headerValue);
1299 this.xhr.onload = function()
1301 _this.xhrOnLoad(_this.xhr);
1304 this.xhr.onerror = function()
1306 _this.xhrOnError(_this.xhr);
1309 var formData = new FormData();
1311 formData.append('returnHTML', 'NO');
1314 formData.append('crop', crop);
1315 var blobBin = atob(crop.split(',')[1]);
1317 for(var i = 0; i < blobBin.length; i++) {
1318 array.push(blobBin.charCodeAt(i));
1320 var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1321 formData.append(this.paramName, croppedFile, file.name);
1324 if(typeof(file.filename) != 'undefined'){
1325 formData.append('filename', file.filename);
1328 if(typeof(file.mimetype) != 'undefined'){
1329 formData.append('mimetype', file.mimetype);
1332 if(this.fireEvent('arrange', this, formData) != false){
1333 this.xhr.send(formData);
1337 xhrOnLoad : function(xhr)
1340 this.maskEl.unmask();
1343 if (xhr.readyState !== 4) {
1344 this.fireEvent('exception', this, xhr);
1348 var response = Roo.decode(xhr.responseText);
1350 if(!response.success){
1351 this.fireEvent('exception', this, xhr);
1355 var response = Roo.decode(xhr.responseText);
1357 this.fireEvent('upload', this, response);
1361 xhrOnError : function()
1364 this.maskEl.unmask();
1367 Roo.log('xhr on error');
1369 var response = Roo.decode(xhr.responseText);
1375 prepare : function(file)
1378 this.maskEl.mask(this.loadingText);
1384 if(typeof(file) === 'string'){
1385 this.loadCanvas(file);
1389 if(!file || !this.urlAPI){
1394 if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1395 this.cropType = file.type;
1400 if(this.fireEvent('prepare', this, this.file) != false){
1402 var reader = new FileReader();
1404 reader.onload = function (e) {
1405 if (e.target.error) {
1406 Roo.log(e.target.error);
1410 var buffer = e.target.result,
1411 dataView = new DataView(buffer),
1413 maxOffset = dataView.byteLength - 4,
1417 if (dataView.getUint16(0) === 0xffd8) {
1418 while (offset < maxOffset) {
1419 markerBytes = dataView.getUint16(offset);
1421 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1422 markerLength = dataView.getUint16(offset + 2) + 2;
1423 if (offset + markerLength > dataView.byteLength) {
1424 Roo.log('Invalid meta data: Invalid segment size.');
1428 if(markerBytes == 0xffe1){
1429 _this.parseExifData(
1436 offset += markerLength;
1446 var url = _this.urlAPI.createObjectURL(_this.file);
1448 _this.loadCanvas(url);
1453 reader.readAsArrayBuffer(this.file);
1459 parseExifData : function(dataView, offset, length)
1461 var tiffOffset = offset + 10,
1465 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1466 // No Exif data, might be XMP data instead
1470 // Check for the ASCII code for "Exif" (0x45786966):
1471 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1472 // No Exif data, might be XMP data instead
1475 if (tiffOffset + 8 > dataView.byteLength) {
1476 Roo.log('Invalid Exif data: Invalid segment size.');
1479 // Check for the two null bytes:
1480 if (dataView.getUint16(offset + 8) !== 0x0000) {
1481 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1484 // Check the byte alignment:
1485 switch (dataView.getUint16(tiffOffset)) {
1487 littleEndian = true;
1490 littleEndian = false;
1493 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1496 // Check for the TIFF tag marker (0x002A):
1497 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1498 Roo.log('Invalid Exif data: Missing TIFF marker.');
1501 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1502 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1507 tiffOffset + dirOffset,
1512 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1517 if (dirOffset + 6 > dataView.byteLength) {
1518 Roo.log('Invalid Exif data: Invalid directory offset.');
1521 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1522 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1523 if (dirEndOffset + 4 > dataView.byteLength) {
1524 Roo.log('Invalid Exif data: Invalid directory size.');
1527 for (i = 0; i < tagsNumber; i += 1) {
1531 dirOffset + 2 + 12 * i, // tag offset
1535 // Return the offset to the next directory:
1536 return dataView.getUint32(dirEndOffset, littleEndian);
1539 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1541 var tag = dataView.getUint16(offset, littleEndian);
1543 this.exif[tag] = this.getExifValue(
1547 dataView.getUint16(offset + 2, littleEndian), // tag type
1548 dataView.getUint32(offset + 4, littleEndian), // tag length
1553 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1555 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1564 Roo.log('Invalid Exif data: Invalid tag type.');
1568 tagSize = tagType.size * length;
1569 // Determine if the value is contained in the dataOffset bytes,
1570 // or if the value at the dataOffset is a pointer to the actual data:
1571 dataOffset = tagSize > 4 ?
1572 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1573 if (dataOffset + tagSize > dataView.byteLength) {
1574 Roo.log('Invalid Exif data: Invalid data offset.');
1578 return tagType.getValue(dataView, dataOffset, littleEndian);
1581 for (i = 0; i < length; i += 1) {
1582 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1585 if (tagType.ascii) {
1587 // Concatenate the chars:
1588 for (i = 0; i < values.length; i += 1) {
1590 // Ignore the terminating NULL byte(s):
1591 if (c === '\u0000') {
1603 Roo.apply(Roo.dialog.UploadCropbox, {
1605 'Orientation': 0x0112
1611 3: 180, //'bottom-right',
1612 // 4: 'bottom-left',
1614 6: 90, //'right-top',
1615 // 7: 'right-bottom',
1616 8: 270 //'left-bottom'
1620 // byte, 8-bit unsigned int:
1622 getValue: function (dataView, dataOffset) {
1623 return dataView.getUint8(dataOffset);
1627 // ascii, 8-bit byte:
1629 getValue: function (dataView, dataOffset) {
1630 return String.fromCharCode(dataView.getUint8(dataOffset));
1635 // short, 16 bit int:
1637 getValue: function (dataView, dataOffset, littleEndian) {
1638 return dataView.getUint16(dataOffset, littleEndian);
1642 // long, 32 bit int:
1644 getValue: function (dataView, dataOffset, littleEndian) {
1645 return dataView.getUint32(dataOffset, littleEndian);
1649 // rational = two long values, first is numerator, second is denominator:
1651 getValue: function (dataView, dataOffset, littleEndian) {
1652 return dataView.getUint32(dataOffset, littleEndian) /
1653 dataView.getUint32(dataOffset + 4, littleEndian);
1657 // slong, 32 bit signed int:
1659 getValue: function (dataView, dataOffset, littleEndian) {
1660 return dataView.getInt32(dataOffset, littleEndian);
1664 // srational, two slongs, first is numerator, second is denominator:
1666 getValue: function (dataView, dataOffset, littleEndian) {
1667 return dataView.getInt32(dataOffset, littleEndian) /
1668 dataView.getInt32(dataOffset + 4, littleEndian);
1678 cls : 'btn-group roo-upload-cropbox-rotate-left',
1679 action : 'rotate-left',
1683 cls : 'btn btn-default',
1684 html : '<i class="fa fa-undo"></i>'
1690 cls : 'btn-group roo-upload-cropbox-picture',
1695 cls : 'btn btn-default',
1696 html : '<i class="fa fa-picture-o"></i>'
1702 cls : 'btn-group roo-upload-cropbox-rotate-right',
1703 action : 'rotate-right',
1707 cls : 'btn btn-default',
1708 html : '<i class="fa fa-repeat"></i>'
1716 cls : 'btn-group roo-upload-cropbox-rotate-left',
1717 action : 'rotate-left',
1721 cls : 'btn btn-default',
1722 html : '<i class="fa fa-undo"></i>'
1728 cls : 'btn-group roo-upload-cropbox-download',
1729 action : 'download',
1733 cls : 'btn btn-default',
1734 html : '<i class="fa fa-download"></i>'
1740 cls : 'btn-group roo-upload-cropbox-crop',
1745 cls : 'btn btn-default',
1746 html : '<i class="fa fa-crop"></i>'
1752 cls : 'btn-group roo-upload-cropbox-trash',
1757 cls : 'btn btn-default',
1758 html : '<i class="fa fa-trash"></i>'
1764 cls : 'btn-group roo-upload-cropbox-rotate-right',
1765 action : 'rotate-right',
1769 cls : 'btn btn-default',
1770 html : '<i class="fa fa-repeat"></i>'
1778 cls : 'btn-group roo-upload-cropbox-rotate-left',
1779 action : 'rotate-left',
1783 cls : 'btn btn-default',
1784 html : '<i class="fa fa-undo"></i>'
1790 cls : 'btn-group roo-upload-cropbox-rotate-right',
1791 action : 'rotate-right',
1795 cls : 'btn btn-default',
1796 html : '<i class="fa fa-repeat"></i>'