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);
587 var maxWidth = this.imageEl.OriginWidth;
588 var maxHeight = this.imageEl.OriginHeight;
592 (this.rotate == 0 || this.rotate == 180) &&
594 width > this.imageEl.OriginWidth ||
595 height > this.imageEl.OriginHeight ||
596 (width < this.minWidth && height < this.minHeight)
604 (this.rotate == 90 || this.rotate == 270) &&
606 width > this.imageEl.OriginWidth ||
607 height > this.imageEl.OriginHeight ||
608 (width < this.minHeight && height < this.minWidth)
616 (this.rotate == 0 || this.rotate == 180) &&
618 (this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight) && width < this.minWidth ||
619 (this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight) && height < this.minHeight ||
629 (this.rotate == 90 || this.rotate == 270) &&
631 width < this.minHeight ||
632 width > this.imageEl.OriginWidth ||
633 height < this.minWidth ||
634 height > this.imageEl.OriginHeight
644 onRotateLeft : function(e)
646 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
648 var minScale = this.thumbEl.getWidth() / this.minWidth;
650 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
651 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
653 this.startScale = this.scale;
655 while (this.getScaleLevel() < minScale){
657 this.scale = this.scale + 1;
659 if(!this.zoomable()){
664 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
665 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
670 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
677 this.scale = this.startScale;
684 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
687 this.setThumbBoxSize();
688 this.setThumbBoxPosition();
689 this.setCanvasPosition();
694 this.fireEvent('rotate', this, 'left');
698 onRotateRight : function(e)
700 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
702 var minScale = this.thumbEl.getWidth() / this.minWidth;
704 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
705 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
707 this.startScale = this.scale;
709 while (this.getScaleLevel() < minScale){
711 this.scale = this.scale + 1;
713 if(!this.zoomable()){
718 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
719 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
724 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
731 this.scale = this.startScale;
738 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
741 this.setThumbBoxSize();
742 this.setThumbBoxPosition();
743 this.setCanvasPosition();
748 this.fireEvent('rotate', this, 'right');
751 onRotateFail : function()
753 this.errorEl.show(true);
757 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
762 this.previewEl.dom.innerHTML = '';
764 var canvasEl = document.createElement("canvas");
766 var contextEl = canvasEl.getContext("2d");
768 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
769 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
770 var center = this.imageEl.OriginWidth / 2;
772 if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
773 canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
774 canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
775 center = this.imageEl.OriginHeight / 2;
778 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
780 contextEl.translate(center, center);
781 contextEl.rotate(this.rotate * Math.PI / 180);
783 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
785 this.canvasEl = document.createElement("canvas");
787 this.contextEl = this.canvasEl.getContext("2d");
789 switch (this.rotate) {
792 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
793 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
795 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
800 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
801 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
803 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
804 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);
808 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
813 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
814 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
816 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
817 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);
821 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);
826 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
827 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
829 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
830 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
834 this.contextEl.drawImage(canvasEl, 0, Math.abs(this.canvasEl.width - this.canvasEl.height), this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
841 this.previewEl.appendChild(this.canvasEl);
843 this.setCanvasPosition();
848 if(!this.canvasLoaded){
852 var imageCanvas = document.createElement("canvas");
854 var imageContext = imageCanvas.getContext("2d");
856 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
857 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
859 var center = imageCanvas.width / 2;
861 imageContext.translate(center, center);
863 imageContext.rotate(this.rotate * Math.PI / 180);
865 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
867 var canvas = document.createElement("canvas");
869 var context = canvas.getContext("2d");
871 canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
873 canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
875 switch (this.rotate) {
878 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
879 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
881 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
882 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
884 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
885 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
887 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
888 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
890 context.fillStyle = 'white';
891 context.fillRect(0, 0, canvas.width, canvas.height);
893 if(canvas.width > this.outputMaxWidth) {
894 var scale = this.outputMaxWidth / canvas.width;
895 canvas.width = canvas.width * scale;
896 canvas.height = canvas.height * scale;
897 context.scale(scale, scale);
900 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
905 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
906 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
908 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
909 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
911 var targetWidth = this.minWidth - 2 * x;
912 var targetHeight = this.minHeight - 2 * y;
916 if((x == 0 && y == 0) || (x == 0 && y > 0)){
917 scale = targetWidth / width;
921 scale = targetHeight / height;
925 scale = targetWidth / width;
928 scale = targetHeight / height;
932 context.scale(scale, scale);
934 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
935 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
937 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
938 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
940 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
942 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
947 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
948 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
950 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
951 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
953 var targetWidth = this.minWidth - 2 * x;
954 var targetHeight = this.minHeight - 2 * y;
958 if((x == 0 && y == 0) || (x == 0 && y > 0)){
959 scale = targetWidth / width;
963 scale = targetHeight / height;
967 scale = targetWidth / width;
970 scale = targetHeight / height;
974 context.scale(scale, scale);
976 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
977 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
979 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
980 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
982 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
983 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
985 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
990 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
991 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
993 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
994 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
996 var targetWidth = this.minWidth - 2 * x;
997 var targetHeight = this.minHeight - 2 * y;
1001 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1002 scale = targetWidth / width;
1005 if(x > 0 && y == 0){
1006 scale = targetHeight / height;
1010 scale = targetWidth / width;
1013 scale = targetHeight / height;
1017 context.scale(scale, scale);
1018 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1019 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1021 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1022 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1024 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1026 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1033 this.cropData = canvas.toDataURL(this.cropType);
1035 if(this.fireEvent('crop', this, this.cropData) !== false){
1036 this.process(this.file, this.cropData);
1043 setThumbBoxSize : function()
1047 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1048 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1049 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1051 this.minWidth = width;
1052 this.minHeight = height;
1054 if(this.rotate == 90 || this.rotate == 270){
1055 this.minWidth = height;
1056 this.minHeight = width;
1060 height = this.windowSize;
1061 width = Math.ceil(this.minWidth * height / this.minHeight);
1063 if(this.minWidth > this.minHeight){
1064 width = this.windowSize;
1065 height = Math.ceil(this.minHeight * width / this.minWidth);
1068 this.thumbEl.setStyle({
1069 width : width + 'px',
1070 height : height + 'px'
1077 setThumbBoxPosition : function()
1079 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1080 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1082 this.thumbEl.setLeft(x);
1083 this.thumbEl.setTop(y);
1087 baseRotateLevel : function()
1089 this.baseRotate = 1;
1092 typeof(this.exif) != 'undefined' &&
1093 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1094 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1096 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1099 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1103 baseScaleLevel : function()
1107 if(this.isDocument){
1109 if(this.baseRotate == 6 || this.baseRotate == 8){
1111 height = this.thumbEl.getHeight();
1112 this.baseScale = height / this.imageEl.OriginWidth;
1114 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1115 width = this.thumbEl.getWidth();
1116 this.baseScale = width / this.imageEl.OriginHeight;
1122 height = this.thumbEl.getHeight();
1123 this.baseScale = height / this.imageEl.OriginHeight;
1125 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1126 width = this.thumbEl.getWidth();
1127 this.baseScale = width / this.imageEl.OriginWidth;
1133 if(this.baseRotate == 6 || this.baseRotate == 8){
1135 width = this.thumbEl.getHeight();
1136 this.baseScale = width / this.imageEl.OriginHeight;
1138 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1139 height = this.thumbEl.getWidth();
1140 this.baseScale = height / this.imageEl.OriginHeight;
1143 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1144 height = this.thumbEl.getWidth();
1145 this.baseScale = height / this.imageEl.OriginHeight;
1147 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1148 width = this.thumbEl.getHeight();
1149 this.baseScale = width / this.imageEl.OriginWidth;
1156 width = this.thumbEl.getWidth();
1157 this.baseScale = width / this.imageEl.OriginWidth;
1159 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1160 height = this.thumbEl.getHeight();
1161 this.baseScale = height / this.imageEl.OriginHeight;
1164 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1166 height = this.thumbEl.getHeight();
1167 this.baseScale = height / this.imageEl.OriginHeight;
1169 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1170 width = this.thumbEl.getWidth();
1171 this.baseScale = width / this.imageEl.OriginWidth;
1176 if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1177 this.baseScale = width / this.minWidth;
1183 getScaleLevel : function()
1185 return this.baseScale * Math.pow(1.02, this.scale);
1188 onTouchStart : function(e)
1190 if(!this.canvasLoaded){
1191 this.beforeSelectFile(e);
1195 var touches = e.browserEvent.touches;
1201 if(touches.length == 1){
1202 this.onMouseDown(e);
1206 if(touches.length != 2){
1212 for(var i = 0, finger; finger = touches[i]; i++){
1213 coords.push(finger.pageX, finger.pageY);
1216 var x = Math.pow(coords[0] - coords[2], 2);
1217 var y = Math.pow(coords[1] - coords[3], 2);
1219 this.startDistance = Math.sqrt(x + y);
1221 this.startScale = this.scale;
1223 this.pinching = true;
1224 this.dragable = false;
1228 onTouchMove : function(e)
1230 if(!this.pinching && !this.dragable){
1234 var touches = e.browserEvent.touches;
1241 this.onMouseMove(e);
1247 for(var i = 0, finger; finger = touches[i]; i++){
1248 coords.push(finger.pageX, finger.pageY);
1251 var x = Math.pow(coords[0] - coords[2], 2);
1252 var y = Math.pow(coords[1] - coords[3], 2);
1254 this.endDistance = Math.sqrt(x + y);
1256 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1258 if(!this.zoomable()){
1259 this.scale = this.startScale;
1267 onTouchEnd : function(e)
1269 this.pinching = false;
1270 this.dragable = false;
1274 process : function(file, crop)
1277 this.maskEl.mask(this.loadingText);
1280 this.xhr = new XMLHttpRequest();
1282 file.xhr = this.xhr;
1284 this.xhr.open(this.method, this.url, true);
1287 "Accept": "application/json",
1288 "Cache-Control": "no-cache",
1289 "X-Requested-With": "XMLHttpRequest"
1292 for (var headerName in headers) {
1293 var headerValue = headers[headerName];
1295 this.xhr.setRequestHeader(headerName, headerValue);
1301 this.xhr.onload = function()
1303 _this.xhrOnLoad(_this.xhr);
1306 this.xhr.onerror = function()
1308 _this.xhrOnError(_this.xhr);
1311 var formData = new FormData();
1313 formData.append('returnHTML', 'NO');
1316 formData.append('crop', crop);
1317 var blobBin = atob(crop.split(',')[1]);
1319 for(var i = 0; i < blobBin.length; i++) {
1320 array.push(blobBin.charCodeAt(i));
1322 var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1323 formData.append(this.paramName, croppedFile, file.name);
1326 if(typeof(file.filename) != 'undefined'){
1327 formData.append('filename', file.filename);
1330 if(typeof(file.mimetype) != 'undefined'){
1331 formData.append('mimetype', file.mimetype);
1334 if(this.fireEvent('arrange', this, formData) != false){
1335 this.xhr.send(formData);
1339 xhrOnLoad : function(xhr)
1342 this.maskEl.unmask();
1345 if (xhr.readyState !== 4) {
1346 this.fireEvent('exception', this, xhr);
1350 var response = Roo.decode(xhr.responseText);
1352 if(!response.success){
1353 this.fireEvent('exception', this, xhr);
1357 var response = Roo.decode(xhr.responseText);
1359 this.fireEvent('upload', this, response);
1363 xhrOnError : function()
1366 this.maskEl.unmask();
1369 Roo.log('xhr on error');
1371 var response = Roo.decode(xhr.responseText);
1377 prepare : function(file)
1380 this.maskEl.mask(this.loadingText);
1386 if(typeof(file) === 'string'){
1387 this.loadCanvas(file);
1391 if(!file || !this.urlAPI){
1396 if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1397 this.cropType = file.type;
1402 if(this.fireEvent('prepare', this, this.file) != false){
1404 var reader = new FileReader();
1406 reader.onload = function (e) {
1407 if (e.target.error) {
1408 Roo.log(e.target.error);
1412 var buffer = e.target.result,
1413 dataView = new DataView(buffer),
1415 maxOffset = dataView.byteLength - 4,
1419 if (dataView.getUint16(0) === 0xffd8) {
1420 while (offset < maxOffset) {
1421 markerBytes = dataView.getUint16(offset);
1423 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1424 markerLength = dataView.getUint16(offset + 2) + 2;
1425 if (offset + markerLength > dataView.byteLength) {
1426 Roo.log('Invalid meta data: Invalid segment size.');
1430 if(markerBytes == 0xffe1){
1431 _this.parseExifData(
1438 offset += markerLength;
1448 var url = _this.urlAPI.createObjectURL(_this.file);
1450 _this.loadCanvas(url);
1455 reader.readAsArrayBuffer(this.file);
1461 parseExifData : function(dataView, offset, length)
1463 var tiffOffset = offset + 10,
1467 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1468 // No Exif data, might be XMP data instead
1472 // Check for the ASCII code for "Exif" (0x45786966):
1473 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1474 // No Exif data, might be XMP data instead
1477 if (tiffOffset + 8 > dataView.byteLength) {
1478 Roo.log('Invalid Exif data: Invalid segment size.');
1481 // Check for the two null bytes:
1482 if (dataView.getUint16(offset + 8) !== 0x0000) {
1483 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1486 // Check the byte alignment:
1487 switch (dataView.getUint16(tiffOffset)) {
1489 littleEndian = true;
1492 littleEndian = false;
1495 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1498 // Check for the TIFF tag marker (0x002A):
1499 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1500 Roo.log('Invalid Exif data: Missing TIFF marker.');
1503 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1504 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1509 tiffOffset + dirOffset,
1514 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1519 if (dirOffset + 6 > dataView.byteLength) {
1520 Roo.log('Invalid Exif data: Invalid directory offset.');
1523 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1524 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1525 if (dirEndOffset + 4 > dataView.byteLength) {
1526 Roo.log('Invalid Exif data: Invalid directory size.');
1529 for (i = 0; i < tagsNumber; i += 1) {
1533 dirOffset + 2 + 12 * i, // tag offset
1537 // Return the offset to the next directory:
1538 return dataView.getUint32(dirEndOffset, littleEndian);
1541 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1543 var tag = dataView.getUint16(offset, littleEndian);
1545 this.exif[tag] = this.getExifValue(
1549 dataView.getUint16(offset + 2, littleEndian), // tag type
1550 dataView.getUint32(offset + 4, littleEndian), // tag length
1555 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1557 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1566 Roo.log('Invalid Exif data: Invalid tag type.');
1570 tagSize = tagType.size * length;
1571 // Determine if the value is contained in the dataOffset bytes,
1572 // or if the value at the dataOffset is a pointer to the actual data:
1573 dataOffset = tagSize > 4 ?
1574 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1575 if (dataOffset + tagSize > dataView.byteLength) {
1576 Roo.log('Invalid Exif data: Invalid data offset.');
1580 return tagType.getValue(dataView, dataOffset, littleEndian);
1583 for (i = 0; i < length; i += 1) {
1584 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1587 if (tagType.ascii) {
1589 // Concatenate the chars:
1590 for (i = 0; i < values.length; i += 1) {
1592 // Ignore the terminating NULL byte(s):
1593 if (c === '\u0000') {
1605 Roo.apply(Roo.dialog.UploadCropbox, {
1607 'Orientation': 0x0112
1613 3: 180, //'bottom-right',
1614 // 4: 'bottom-left',
1616 6: 90, //'right-top',
1617 // 7: 'right-bottom',
1618 8: 270 //'left-bottom'
1622 // byte, 8-bit unsigned int:
1624 getValue: function (dataView, dataOffset) {
1625 return dataView.getUint8(dataOffset);
1629 // ascii, 8-bit byte:
1631 getValue: function (dataView, dataOffset) {
1632 return String.fromCharCode(dataView.getUint8(dataOffset));
1637 // short, 16 bit int:
1639 getValue: function (dataView, dataOffset, littleEndian) {
1640 return dataView.getUint16(dataOffset, littleEndian);
1644 // long, 32 bit int:
1646 getValue: function (dataView, dataOffset, littleEndian) {
1647 return dataView.getUint32(dataOffset, littleEndian);
1651 // rational = two long values, first is numerator, second is denominator:
1653 getValue: function (dataView, dataOffset, littleEndian) {
1654 return dataView.getUint32(dataOffset, littleEndian) /
1655 dataView.getUint32(dataOffset + 4, littleEndian);
1659 // slong, 32 bit signed int:
1661 getValue: function (dataView, dataOffset, littleEndian) {
1662 return dataView.getInt32(dataOffset, littleEndian);
1666 // srational, two slongs, first is numerator, second is denominator:
1668 getValue: function (dataView, dataOffset, littleEndian) {
1669 return dataView.getInt32(dataOffset, littleEndian) /
1670 dataView.getInt32(dataOffset + 4, littleEndian);
1680 cls : 'btn-group roo-upload-cropbox-rotate-left',
1681 action : 'rotate-left',
1685 cls : 'btn btn-default',
1686 html : '<i class="fa fa-undo"></i>'
1692 cls : 'btn-group roo-upload-cropbox-picture',
1697 cls : 'btn btn-default',
1698 html : '<i class="fa fa-picture-o"></i>'
1704 cls : 'btn-group roo-upload-cropbox-rotate-right',
1705 action : 'rotate-right',
1709 cls : 'btn btn-default',
1710 html : '<i class="fa fa-repeat"></i>'
1718 cls : 'btn-group roo-upload-cropbox-rotate-left',
1719 action : 'rotate-left',
1723 cls : 'btn btn-default',
1724 html : '<i class="fa fa-undo"></i>'
1730 cls : 'btn-group roo-upload-cropbox-download',
1731 action : 'download',
1735 cls : 'btn btn-default',
1736 html : '<i class="fa fa-download"></i>'
1742 cls : 'btn-group roo-upload-cropbox-crop',
1747 cls : 'btn btn-default',
1748 html : '<i class="fa fa-crop"></i>'
1754 cls : 'btn-group roo-upload-cropbox-trash',
1759 cls : 'btn btn-default',
1760 html : '<i class="fa fa-trash"></i>'
1766 cls : 'btn-group roo-upload-cropbox-rotate-right',
1767 action : 'rotate-right',
1771 cls : 'btn btn-default',
1772 html : '<i class="fa fa-repeat"></i>'
1780 cls : 'btn-group roo-upload-cropbox-rotate-left',
1781 action : 'rotate-left',
1785 cls : 'btn btn-default',
1786 html : '<i class="fa fa-undo"></i>'
1792 cls : 'btn-group roo-upload-cropbox-rotate-right',
1793 action : 'rotate-right',
1797 cls : 'btn btn-default',
1798 html : '<i class="fa fa-repeat"></i>'