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 = '#FF0000';
891 console.log(canvas.width);
892 console.log(canvas.height);
893 context.fillRect(0, 0, canvas.width, canvas.height);
895 if(canvas.width > this.outputMaxWidth) {
896 var scale = this.outputMaxWidth / canvas.width;
897 canvas.width = canvas.width * scale;
898 canvas.height = canvas.height * scale;
899 context.scale(scale, scale);
902 // context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
907 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
908 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
910 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
911 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
913 var targetWidth = this.minWidth - 2 * x;
914 var targetHeight = this.minHeight - 2 * y;
918 if((x == 0 && y == 0) || (x == 0 && y > 0)){
919 scale = targetWidth / width;
923 scale = targetHeight / height;
927 scale = targetWidth / width;
930 scale = targetHeight / height;
934 context.scale(scale, scale);
936 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
937 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
939 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
940 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
942 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
944 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
949 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
950 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
952 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
953 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
955 var targetWidth = this.minWidth - 2 * x;
956 var targetHeight = this.minHeight - 2 * y;
960 if((x == 0 && y == 0) || (x == 0 && y > 0)){
961 scale = targetWidth / width;
965 scale = targetHeight / height;
969 scale = targetWidth / width;
972 scale = targetHeight / height;
976 context.scale(scale, scale);
978 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
979 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
981 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
982 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
984 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
985 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
987 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
992 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
993 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
995 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
996 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
998 var targetWidth = this.minWidth - 2 * x;
999 var targetHeight = this.minHeight - 2 * y;
1003 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1004 scale = targetWidth / width;
1007 if(x > 0 && y == 0){
1008 scale = targetHeight / height;
1012 scale = targetWidth / width;
1015 scale = targetHeight / height;
1019 context.scale(scale, scale);
1020 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1021 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1023 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1024 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1026 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1028 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1035 this.cropData = canvas.toDataURL(this.cropType);
1037 if(this.fireEvent('crop', this, this.cropData) !== false){
1038 this.process(this.file, this.cropData);
1045 setThumbBoxSize : function()
1049 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1050 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1051 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1053 this.minWidth = width;
1054 this.minHeight = height;
1056 if(this.rotate == 90 || this.rotate == 270){
1057 this.minWidth = height;
1058 this.minHeight = width;
1062 height = this.windowSize;
1063 width = Math.ceil(this.minWidth * height / this.minHeight);
1065 if(this.minWidth > this.minHeight){
1066 width = this.windowSize;
1067 height = Math.ceil(this.minHeight * width / this.minWidth);
1070 this.thumbEl.setStyle({
1071 width : width + 'px',
1072 height : height + 'px'
1079 setThumbBoxPosition : function()
1081 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1082 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1084 this.thumbEl.setLeft(x);
1085 this.thumbEl.setTop(y);
1089 baseRotateLevel : function()
1091 this.baseRotate = 1;
1094 typeof(this.exif) != 'undefined' &&
1095 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1096 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1098 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1101 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1105 baseScaleLevel : function()
1109 if(this.isDocument){
1111 if(this.baseRotate == 6 || this.baseRotate == 8){
1113 height = this.thumbEl.getHeight();
1114 this.baseScale = height / this.imageEl.OriginWidth;
1116 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1117 width = this.thumbEl.getWidth();
1118 this.baseScale = width / this.imageEl.OriginHeight;
1124 height = this.thumbEl.getHeight();
1125 this.baseScale = height / this.imageEl.OriginHeight;
1127 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1128 width = this.thumbEl.getWidth();
1129 this.baseScale = width / this.imageEl.OriginWidth;
1135 if(this.baseRotate == 6 || this.baseRotate == 8){
1137 width = this.thumbEl.getHeight();
1138 this.baseScale = width / this.imageEl.OriginHeight;
1140 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1141 height = this.thumbEl.getWidth();
1142 this.baseScale = height / this.imageEl.OriginHeight;
1145 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1146 height = this.thumbEl.getWidth();
1147 this.baseScale = height / this.imageEl.OriginHeight;
1149 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1150 width = this.thumbEl.getHeight();
1151 this.baseScale = width / this.imageEl.OriginWidth;
1158 width = this.thumbEl.getWidth();
1159 this.baseScale = width / this.imageEl.OriginWidth;
1161 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1162 height = this.thumbEl.getHeight();
1163 this.baseScale = height / this.imageEl.OriginHeight;
1166 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1168 height = this.thumbEl.getHeight();
1169 this.baseScale = height / this.imageEl.OriginHeight;
1171 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1172 width = this.thumbEl.getWidth();
1173 this.baseScale = width / this.imageEl.OriginWidth;
1178 if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1179 this.baseScale = width / this.minWidth;
1185 getScaleLevel : function()
1187 return this.baseScale * Math.pow(1.02, this.scale);
1190 onTouchStart : function(e)
1192 if(!this.canvasLoaded){
1193 this.beforeSelectFile(e);
1197 var touches = e.browserEvent.touches;
1203 if(touches.length == 1){
1204 this.onMouseDown(e);
1208 if(touches.length != 2){
1214 for(var i = 0, finger; finger = touches[i]; i++){
1215 coords.push(finger.pageX, finger.pageY);
1218 var x = Math.pow(coords[0] - coords[2], 2);
1219 var y = Math.pow(coords[1] - coords[3], 2);
1221 this.startDistance = Math.sqrt(x + y);
1223 this.startScale = this.scale;
1225 this.pinching = true;
1226 this.dragable = false;
1230 onTouchMove : function(e)
1232 if(!this.pinching && !this.dragable){
1236 var touches = e.browserEvent.touches;
1243 this.onMouseMove(e);
1249 for(var i = 0, finger; finger = touches[i]; i++){
1250 coords.push(finger.pageX, finger.pageY);
1253 var x = Math.pow(coords[0] - coords[2], 2);
1254 var y = Math.pow(coords[1] - coords[3], 2);
1256 this.endDistance = Math.sqrt(x + y);
1258 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1260 if(!this.zoomable()){
1261 this.scale = this.startScale;
1269 onTouchEnd : function(e)
1271 this.pinching = false;
1272 this.dragable = false;
1276 process : function(file, crop)
1279 this.maskEl.mask(this.loadingText);
1282 this.xhr = new XMLHttpRequest();
1284 file.xhr = this.xhr;
1286 this.xhr.open(this.method, this.url, true);
1289 "Accept": "application/json",
1290 "Cache-Control": "no-cache",
1291 "X-Requested-With": "XMLHttpRequest"
1294 for (var headerName in headers) {
1295 var headerValue = headers[headerName];
1297 this.xhr.setRequestHeader(headerName, headerValue);
1303 this.xhr.onload = function()
1305 _this.xhrOnLoad(_this.xhr);
1308 this.xhr.onerror = function()
1310 _this.xhrOnError(_this.xhr);
1313 var formData = new FormData();
1315 formData.append('returnHTML', 'NO');
1318 formData.append('crop', crop);
1319 var blobBin = atob(crop.split(',')[1]);
1321 for(var i = 0; i < blobBin.length; i++) {
1322 array.push(blobBin.charCodeAt(i));
1324 var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1325 formData.append(this.paramName, croppedFile, file.name);
1328 if(typeof(file.filename) != 'undefined'){
1329 formData.append('filename', file.filename);
1332 if(typeof(file.mimetype) != 'undefined'){
1333 formData.append('mimetype', file.mimetype);
1336 if(this.fireEvent('arrange', this, formData) != false){
1337 this.xhr.send(formData);
1341 xhrOnLoad : function(xhr)
1344 this.maskEl.unmask();
1347 if (xhr.readyState !== 4) {
1348 this.fireEvent('exception', this, xhr);
1352 var response = Roo.decode(xhr.responseText);
1354 if(!response.success){
1355 this.fireEvent('exception', this, xhr);
1359 var response = Roo.decode(xhr.responseText);
1361 this.fireEvent('upload', this, response);
1365 xhrOnError : function()
1368 this.maskEl.unmask();
1371 Roo.log('xhr on error');
1373 var response = Roo.decode(xhr.responseText);
1379 prepare : function(file)
1382 this.maskEl.mask(this.loadingText);
1388 if(typeof(file) === 'string'){
1389 this.loadCanvas(file);
1393 if(!file || !this.urlAPI){
1398 if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1399 this.cropType = file.type;
1404 if(this.fireEvent('prepare', this, this.file) != false){
1406 var reader = new FileReader();
1408 reader.onload = function (e) {
1409 if (e.target.error) {
1410 Roo.log(e.target.error);
1414 var buffer = e.target.result,
1415 dataView = new DataView(buffer),
1417 maxOffset = dataView.byteLength - 4,
1421 if (dataView.getUint16(0) === 0xffd8) {
1422 while (offset < maxOffset) {
1423 markerBytes = dataView.getUint16(offset);
1425 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1426 markerLength = dataView.getUint16(offset + 2) + 2;
1427 if (offset + markerLength > dataView.byteLength) {
1428 Roo.log('Invalid meta data: Invalid segment size.');
1432 if(markerBytes == 0xffe1){
1433 _this.parseExifData(
1440 offset += markerLength;
1450 var url = _this.urlAPI.createObjectURL(_this.file);
1452 _this.loadCanvas(url);
1457 reader.readAsArrayBuffer(this.file);
1463 parseExifData : function(dataView, offset, length)
1465 var tiffOffset = offset + 10,
1469 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1470 // No Exif data, might be XMP data instead
1474 // Check for the ASCII code for "Exif" (0x45786966):
1475 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1476 // No Exif data, might be XMP data instead
1479 if (tiffOffset + 8 > dataView.byteLength) {
1480 Roo.log('Invalid Exif data: Invalid segment size.');
1483 // Check for the two null bytes:
1484 if (dataView.getUint16(offset + 8) !== 0x0000) {
1485 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1488 // Check the byte alignment:
1489 switch (dataView.getUint16(tiffOffset)) {
1491 littleEndian = true;
1494 littleEndian = false;
1497 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1500 // Check for the TIFF tag marker (0x002A):
1501 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1502 Roo.log('Invalid Exif data: Missing TIFF marker.');
1505 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1506 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1511 tiffOffset + dirOffset,
1516 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1521 if (dirOffset + 6 > dataView.byteLength) {
1522 Roo.log('Invalid Exif data: Invalid directory offset.');
1525 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1526 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1527 if (dirEndOffset + 4 > dataView.byteLength) {
1528 Roo.log('Invalid Exif data: Invalid directory size.');
1531 for (i = 0; i < tagsNumber; i += 1) {
1535 dirOffset + 2 + 12 * i, // tag offset
1539 // Return the offset to the next directory:
1540 return dataView.getUint32(dirEndOffset, littleEndian);
1543 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1545 var tag = dataView.getUint16(offset, littleEndian);
1547 this.exif[tag] = this.getExifValue(
1551 dataView.getUint16(offset + 2, littleEndian), // tag type
1552 dataView.getUint32(offset + 4, littleEndian), // tag length
1557 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1559 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1568 Roo.log('Invalid Exif data: Invalid tag type.');
1572 tagSize = tagType.size * length;
1573 // Determine if the value is contained in the dataOffset bytes,
1574 // or if the value at the dataOffset is a pointer to the actual data:
1575 dataOffset = tagSize > 4 ?
1576 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1577 if (dataOffset + tagSize > dataView.byteLength) {
1578 Roo.log('Invalid Exif data: Invalid data offset.');
1582 return tagType.getValue(dataView, dataOffset, littleEndian);
1585 for (i = 0; i < length; i += 1) {
1586 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1589 if (tagType.ascii) {
1591 // Concatenate the chars:
1592 for (i = 0; i < values.length; i += 1) {
1594 // Ignore the terminating NULL byte(s):
1595 if (c === '\u0000') {
1607 Roo.apply(Roo.dialog.UploadCropbox, {
1609 'Orientation': 0x0112
1615 3: 180, //'bottom-right',
1616 // 4: 'bottom-left',
1618 6: 90, //'right-top',
1619 // 7: 'right-bottom',
1620 8: 270 //'left-bottom'
1624 // byte, 8-bit unsigned int:
1626 getValue: function (dataView, dataOffset) {
1627 return dataView.getUint8(dataOffset);
1631 // ascii, 8-bit byte:
1633 getValue: function (dataView, dataOffset) {
1634 return String.fromCharCode(dataView.getUint8(dataOffset));
1639 // short, 16 bit int:
1641 getValue: function (dataView, dataOffset, littleEndian) {
1642 return dataView.getUint16(dataOffset, littleEndian);
1646 // long, 32 bit int:
1648 getValue: function (dataView, dataOffset, littleEndian) {
1649 return dataView.getUint32(dataOffset, littleEndian);
1653 // rational = two long values, first is numerator, second is denominator:
1655 getValue: function (dataView, dataOffset, littleEndian) {
1656 return dataView.getUint32(dataOffset, littleEndian) /
1657 dataView.getUint32(dataOffset + 4, littleEndian);
1661 // slong, 32 bit signed int:
1663 getValue: function (dataView, dataOffset, littleEndian) {
1664 return dataView.getInt32(dataOffset, littleEndian);
1668 // srational, two slongs, first is numerator, second is denominator:
1670 getValue: function (dataView, dataOffset, littleEndian) {
1671 return dataView.getInt32(dataOffset, littleEndian) /
1672 dataView.getInt32(dataOffset + 4, littleEndian);
1682 cls : 'btn-group roo-upload-cropbox-rotate-left',
1683 action : 'rotate-left',
1687 cls : 'btn btn-default',
1688 html : '<i class="fa fa-undo"></i>'
1694 cls : 'btn-group roo-upload-cropbox-picture',
1699 cls : 'btn btn-default',
1700 html : '<i class="fa fa-picture-o"></i>'
1706 cls : 'btn-group roo-upload-cropbox-rotate-right',
1707 action : 'rotate-right',
1711 cls : 'btn btn-default',
1712 html : '<i class="fa fa-repeat"></i>'
1720 cls : 'btn-group roo-upload-cropbox-rotate-left',
1721 action : 'rotate-left',
1725 cls : 'btn btn-default',
1726 html : '<i class="fa fa-undo"></i>'
1732 cls : 'btn-group roo-upload-cropbox-download',
1733 action : 'download',
1737 cls : 'btn btn-default',
1738 html : '<i class="fa fa-download"></i>'
1744 cls : 'btn-group roo-upload-cropbox-crop',
1749 cls : 'btn btn-default',
1750 html : '<i class="fa fa-crop"></i>'
1756 cls : 'btn-group roo-upload-cropbox-trash',
1761 cls : 'btn btn-default',
1762 html : '<i class="fa fa-trash"></i>'
1768 cls : 'btn-group roo-upload-cropbox-rotate-right',
1769 action : 'rotate-right',
1773 cls : 'btn btn-default',
1774 html : '<i class="fa fa-repeat"></i>'
1782 cls : 'btn-group roo-upload-cropbox-rotate-left',
1783 action : 'rotate-left',
1787 cls : 'btn btn-default',
1788 html : '<i class="fa fa-undo"></i>'
1794 cls : 'btn-group roo-upload-cropbox-rotate-right',
1795 action : 'rotate-right',
1799 cls : 'btn btn-default',
1800 html : '<i class="fa fa-repeat"></i>'