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✏️ Editing: darkroom.js

!function(){"use strict";var element=document.createElement("div");element.id="darkroom-icons",element.style.height=0,element.style.width=0,element.style.position="absolute",element.style.visibility="hidden",element.innerHTML='<svg xmlns="http://www.w3.org/2000/svg"><symbol id="close" viewBox="0 0 24 24"><path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/><path d="M0 0h24v24H0z" fill="none"/></symbol><symbol id="crop" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M17 15h2V7c0-1.1-.9-2-2-2H9v2h8v8zM7 17V1H5v4H1v2h4v10c0 1.1.9 2 2 2h10v4h2v-4h4v-2H7z"/></symbol><symbol id="done" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></symbol><symbol id="redo" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M18.4 10.6C16.55 8.99 14.15 8 11.5 8c-4.65 0-8.58 3.03-9.96 7.22L3.9 16a8.002 8.002 0 0 1 7.6-5.5c1.95 0 3.73.72 5.12 1.88L13 16h9V7l-3.6 3.6z"/></symbol><symbol id="rotate-left" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M7.11 8.53L5.7 7.11C4.8 8.27 4.24 9.61 4.07 11h2.02c.14-.87.49-1.72 1.02-2.47zM6.09 13H4.07c.17 1.39.72 2.73 1.62 3.89l1.41-1.42c-.52-.75-.87-1.59-1.01-2.47zm1.01 5.32c1.16.9 2.51 1.44 3.9 1.61V17.9c-.87-.15-1.71-.49-2.46-1.03L7.1 18.32zM13 4.07V1L8.45 5.55 13 10V6.09c2.84.48 5 2.94 5 5.91s-2.16 5.43-5 5.91v2.02c3.95-.49 7-3.85 7-7.93s-3.05-7.44-7-7.93z"/></symbol><symbol id="rotate-right" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M15.55 5.55L11 1v3.07C7.06 4.56 4 7.92 4 12s3.05 7.44 7 7.93v-2.02c-2.84-.48-5-2.94-5-5.91s2.16-5.43 5-5.91V10l4.55-4.45zM19.93 11a7.906 7.906 0 0 0-1.62-3.89l-1.42 1.42c.54.75.88 1.6 1.02 2.47h2.02zM13 17.9v2.02c1.39-.17 2.74-.71 3.9-1.61l-1.44-1.44c-.75.54-1.59.89-2.46 1.03zm3.89-2.42l1.42 1.41c.9-1.16 1.45-2.5 1.62-3.89h-2.02c-.14.87-.48 1.72-1.02 2.48z"/></symbol><symbol id="save" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M17 3H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14c1.1 0 2-.9 2-2V7l-4-4zm-5 16c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3zm3-10H5V5h10v4z"/></symbol><symbol id="undo" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M12.5 8c-2.65 0-5.05.99-6.9 2.6L2 7v9h9l-3.62-3.62c1.39-1.16 3.16-1.88 5.12-1.88 3.54 0 6.55 2.31 7.6 5.5l2.37-.78C21.08 11.03 17.15 8 12.5 8z"/></symbol></svg>',document.body.appendChild(element)}(),function(){"use strict";function Darkroom(element,options,plugins){return this.constructor(element,options,plugins)}window.Darkroom=Darkroom,Darkroom.plugins=[],Darkroom.prototype={containerElement:null,canvas:null,image:null,sourceCanvas:null,sourceImage:null,originalImageElement:null,transformations:[],defaults:{minWidth:null,minHeight:null,maxWidth:null,maxHeight:null,ratio:null,backgroundColor:"#fff",plugins:{},initialize:function(){}},plugins:{},options:{},constructor:function(element,options,plugins){if(this.options=Darkroom.Utils.extend(options,this.defaults),"string"==typeof element&&(element=document.querySelector(element)),null!==element){var image=new Image;image.onload=function(){this._initializeDOM(element),this._initializeImage(),this._initializePlugins(Darkroom.plugins),this.refresh(function(){this.options.initialize.bind(this).call()}.bind(this))}.bind(this),image.src=element.src}},selfDestroy:function(){var container=this.containerElement,image=new Image;image.onload=function(){container.parentNode.replaceChild(image,container)},image.src=this.sourceImage.toDataURL()},addEventListener:function(eventName,callback){var el=this.canvas.getElement();el.addEventListener?el.addEventListener(eventName,callback):el.attachEvent&&el.attachEvent("on"+eventName,callback)},dispatchEvent:function(eventName){var event=document.createEvent("Event");event.initEvent(eventName,!0,!0),this.canvas.getElement().dispatchEvent(event)},refresh:function(next){var clone=new Image;clone.onload=function(){this._replaceCurrentImage(new fabric.Image(clone)),next&&next()}.bind(this),clone.src=this.sourceImage.toDataURL()},_replaceCurrentImage:function(newImage){this.image&&this.image.remove(),this.image=newImage,this.image.selectable=!1;var viewport=Darkroom.Utils.computeImageViewPort(this.image),canvasWidth=viewport.width,canvasHeight=viewport.height;if(null!==this.options.ratio){var canvasRatio=+this.options.ratio,currentRatio=canvasWidth/canvasHeight;currentRatio>canvasRatio?canvasHeight=canvasWidth/canvasRatio:canvasRatio>currentRatio&&(canvasWidth=canvasHeight*canvasRatio)}var scaleMin=1,scaleMax=1,scaleX=1,scaleY=1;null!==this.options.maxWidth&&this.options.maxWidth<canvasWidth&&(scaleX=this.options.maxWidth/canvasWidth),null!==this.options.maxHeight&&this.options.maxHeight<canvasHeight&&(scaleY=this.options.maxHeight/canvasHeight),scaleMin=Math.min(scaleX,scaleY),scaleX=1,scaleY=1,null!==this.options.minWidth&&this.options.minWidth>canvasWidth&&(scaleX=this.options.minWidth/canvasWidth),null!==this.options.minHeight&&this.options.minHeight>canvasHeight&&(scaleY=this.options.minHeight/canvasHeight),scaleMax=Math.max(scaleX,scaleY);var scale=scaleMax*scaleMin;canvasWidth*=scale,canvasHeight*=scale,this.image.setScaleX(1*scale),this.image.setScaleY(1*scale),this.canvas.add(this.image),canvasWidth-=2,canvasHeight-=2,this.canvas.setWidth(canvasWidth),this.canvas.setHeight(canvasHeight),this.canvas.centerObject(this.image),this.image.setCoords()},applyTransformation:function(transformation){this.transformations.push(transformation),transformation.applyTransformation(this.sourceCanvas,this.sourceImage,this._postTransformation.bind(this))},_postTransformation:function(newImage){newImage&&(this.sourceImage=newImage),this.refresh(function(){this.dispatchEvent("core:transformation")}.bind(this))},reinitializeImage:function(){this.sourceImage.remove(),this._initializeImage(),this._popTransformation(this.transformations.slice())},_popTransformation:function(transformations){if(0===transformations.length)return this.dispatchEvent("core:reinitialized"),void this.refresh();var transformation=transformations.shift(),next=function(newImage){newImage&&(this.sourceImage=newImage),this._popTransformation(transformations)};transformation.applyTransformation(this.sourceCanvas,this.sourceImage,next.bind(this))},_initializeDOM:function(imageElement){var mainContainerElement=document.createElement("div");mainContainerElement.className="darkroom-container";var toolbarElement=document.createElement("div");toolbarElement.className="darkroom-toolbar",mainContainerElement.appendChild(toolbarElement);var canvasContainerElement=document.createElement("div");canvasContainerElement.className="darkroom-image-container";var canvasElement=document.createElement("canvas");canvasContainerElement.appendChild(canvasElement),mainContainerElement.appendChild(canvasContainerElement);var sourceCanvasContainerElement=document.createElement("div");sourceCanvasContainerElement.className="darkroom-source-container",sourceCanvasContainerElement.style.display="none";var sourceCanvasElement=document.createElement("canvas");sourceCanvasContainerElement.appendChild(sourceCanvasElement),mainContainerElement.appendChild(sourceCanvasContainerElement),imageElement.parentNode.replaceChild(mainContainerElement,imageElement),imageElement.style.display="none",mainContainerElement.appendChild(imageElement),this.containerElement=mainContainerElement,this.originalImageElement=imageElement,this.toolbar=new Darkroom.UI.Toolbar(toolbarElement),this.canvas=new fabric.Canvas(canvasElement,{selection:!1,backgroundColor:this.options.backgroundColor}),this.sourceCanvas=new fabric.Canvas(sourceCanvasElement,{selection:!1,backgroundColor:this.options.backgroundColor})},_initializeImage:function(){this.sourceImage=new fabric.Image(this.originalImageElement,{selectable:!1,evented:!1,lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0,hasControls:!1,hasBorders:!1}),this.sourceCanvas.add(this.sourceImage);var viewport=Darkroom.Utils.computeImageViewPort(this.sourceImage),canvasWidth=viewport.width,canvasHeight=viewport.height;this.sourceCanvas.setWidth(canvasWidth),this.sourceCanvas.setHeight(canvasHeight),this.sourceCanvas.centerObject(this.sourceImage),this.sourceImage.setCoords()},_initializePlugins:function(plugins){for(var name in plugins){var plugin=plugins[name],options=this.options.plugins[name];options!==!1&&plugins.hasOwnProperty(name)&&(this.plugins[name]=new plugin(this,options))}}}}(),function(){"use strict";function Plugin(darkroom,options){this.darkroom=darkroom,this.options=Darkroom.Utils.extend(options,this.defaults),this.initialize()}Darkroom.Plugin=Plugin,Plugin.prototype={defaults:{},initialize:function(){}},Plugin.extend=function(protoProps){var child,parent=this;child=protoProps&&protoProps.hasOwnProperty("constructor")?protoProps.constructor:function(){return parent.apply(this,arguments)},Darkroom.Utils.extend(child,parent);var Surrogate=function(){this.constructor=child};return Surrogate.prototype=parent.prototype,child.prototype=new Surrogate,protoProps&&Darkroom.Utils.extend(child.prototype,protoProps),child.__super__=parent.prototype,child}}(),function(){"use strict";function Transformation(options){this.options=options}Darkroom.Transformation=Transformation,Transformation.prototype={applyTransformation:function(image){}},Transformation.extend=function(protoProps){var child,parent=this;child=protoProps&&protoProps.hasOwnProperty("constructor")?protoProps.constructor:function(){return parent.apply(this,arguments)},Darkroom.Utils.extend(child,parent);var Surrogate=function(){this.constructor=child};return Surrogate.prototype=parent.prototype,child.prototype=new Surrogate,protoProps&&Darkroom.Utils.extend(child.prototype,protoProps),child.__super__=parent.prototype,child}}(),function(){"use strict";function Toolbar(element){this.element=element}function ButtonGroup(element){this.element=element}function Button(element){this.element=element}Darkroom.UI={Toolbar:Toolbar,ButtonGroup:ButtonGroup,Button:Button},Toolbar.prototype={createButtonGroup:function(options){var buttonGroup=document.createElement("div");return buttonGroup.className="darkroom-button-group",this.element.appendChild(buttonGroup),new ButtonGroup(buttonGroup)}},ButtonGroup.prototype={createButton:function(options){var defaults={image:"help",type:"default",group:"default",hide:!1,disabled:!1};options=Darkroom.Utils.extend(options,defaults);var buttonElement=document.createElement("button");buttonElement.type="button",buttonElement.className="darkroom-button darkroom-button-"+options.type,buttonElement.innerHTML='<svg class="darkroom-icon"><use xlink:href="#'+options.image+'" /></svg>',this.element.appendChild(buttonElement);var button=new Button(buttonElement);return button.hide(options.hide),button.disable(options.disabled),button}},Button.prototype={addEventListener:function(eventName,listener){this.element.addEventListener?this.element.addEventListener(eventName,listener):this.element.attachEvent&&this.element.attachEvent("on"+eventName,listener)},removeEventListener:function(eventName,listener){this.element.removeEventListener&&this.element.removeEventListener(eventName,listener)},active:function(value){value?this.element.classList.add("darkroom-button-active"):this.element.classList.remove("darkroom-button-active")},hide:function(value){value?this.element.classList.add("darkroom-button-hidden"):this.element.classList.remove("darkroom-button-hidden")},disable:function(value){this.element.disabled=!!value}}}(),function(){"use strict";function extend(b,a){var prop;if(void 0===b)return a;for(prop in a)a.hasOwnProperty(prop)&&b.hasOwnProperty(prop)===!1&&(b[prop]=a[prop]);return b}function computeImageViewPort(image){return{height:Math.abs(image.getWidth()*Math.sin(image.getAngle()*Math.PI/180))+Math.abs(image.getHeight()*Math.cos(image.getAngle()*Math.PI/180)),width:Math.abs(image.getHeight()*Math.sin(image.getAngle()*Math.PI/180))+Math.abs(image.getWidth()*Math.cos(image.getAngle()*Math.PI/180))}}Darkroom.Utils={extend:extend,computeImageViewPort:computeImageViewPort}}(),function(window,document,Darkroom,fabric){"use strict";Darkroom.plugins.history=Darkroom.Plugin.extend({undoTransformations:[],initialize:function(){this._initButtons(),this.darkroom.addEventListener("core:transformation",this._onTranformationApplied.bind(this))},undo:function(){if(0!==this.darkroom.transformations.length){var lastTransformation=this.darkroom.transformations.pop();this.undoTransformations.unshift(lastTransformation),this.darkroom.reinitializeImage(),this._updateButtons()}},redo:function(){if(0!==this.undoTransformations.length){var cancelTransformation=this.undoTransformations.shift();this.darkroom.transformations.push(cancelTransformation),this.darkroom.reinitializeImage(),this._updateButtons()}},_initButtons:function(){var buttonGroup=this.darkroom.toolbar.createButtonGroup();return this.backButton=buttonGroup.createButton({image:"undo",disabled:!0}),this.forwardButton=buttonGroup.createButton({image:"redo",disabled:!0}),this.backButton.addEventListener("click",this.undo.bind(this)),this.forwardButton.addEventListener("click",this.redo.bind(this)),this},_updateButtons:function(){this.backButton.disable(0===this.darkroom.transformations.length),this.forwardButton.disable(0===this.undoTransformations.length)},_onTranformationApplied:function(){this.undoTransformations=[],this._updateButtons()}})}(window,document,Darkroom,fabric),function(){"use strict";var Rotation=Darkroom.Transformation.extend({applyTransformation:function(canvas,image,next){var angle=(image.getAngle()+this.options.angle)%360;image.rotate(angle);var width,height;height=Math.abs(image.getWidth()*Math.sin(angle*Math.PI/180))+Math.abs(image.getHeight()*Math.cos(angle*Math.PI/180)),width=Math.abs(image.getHeight()*Math.sin(angle*Math.PI/180))+Math.abs(image.getWidth()*Math.cos(angle*Math.PI/180)),canvas.setWidth(width),canvas.setHeight(height),canvas.centerObject(image),image.setCoords(),canvas.renderAll(),next()}});Darkroom.plugins.rotate=Darkroom.Plugin.extend({initialize:function(){var buttonGroup=this.darkroom.toolbar.createButtonGroup(),leftButton=buttonGroup.createButton({image:"rotate-left"}),rightButton=buttonGroup.createButton({image:"rotate-right"});leftButton.addEventListener("click",this.rotateLeft.bind(this)),rightButton.addEventListener("click",this.rotateRight.bind(this))},rotateLeft:function(){this.rotate(-90)},rotateRight:function(){this.rotate(90)},rotate:function(angle){this.darkroom.applyTransformation(new Rotation({angle:angle}))}})}(),function(){"use strict";var Crop=Darkroom.Transformation.extend({applyTransformation:function(canvas,image,next){var snapshot=new Image;snapshot.onload=function(){if(!(1>height||1>width)){var imgInstance=new fabric.Image(this,{selectable:!1,evented:!1,lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0,hasControls:!1,hasBorders:!1}),width=this.width,height=this.height;canvas.setWidth(width),canvas.setHeight(height),image.remove(),canvas.add(imgInstance),next(imgInstance)}};var viewport=Darkroom.Utils.computeImageViewPort(image),imageWidth=viewport.width,imageHeight=viewport.height,left=this.options.left*imageWidth,top=this.options.top*imageHeight,width=Math.min(this.options.width*imageWidth,imageWidth-left),height=Math.min(this.options.height*imageHeight,imageHeight-top);snapshot.src=canvas.toDataURL({left:left,top:top,width:width,height:height})}}),CropZone=fabric.util.createClass(fabric.Rect,{_render:function(ctx){this.callSuper("_render",ctx);var dashWidth=(ctx.canvas,7),flipX=this.flipX?-1:1,flipY=this.flipY?-1:1,scaleX=flipX/this.scaleX,scaleY=flipY/this.scaleY;ctx.scale(scaleX,scaleY),ctx.fillStyle="rgba(0, 0, 0, 0.5)",this._renderOverlay(ctx),void 0!==ctx.setLineDash?ctx.setLineDash([dashWidth,dashWidth]):void 0!==ctx.mozDash&&(ctx.mozDash=[dashWidth,dashWidth]),ctx.strokeStyle="rgba(0, 0, 0, 0.2)",this._renderBorders(ctx),this._renderGrid(ctx),ctx.lineDashOffset=dashWidth,ctx.strokeStyle="rgba(255, 255, 255, 0.4)",this._renderBorders(ctx),this._renderGrid(ctx),ctx.scale(1/scaleX,1/scaleY)},_renderOverlay:function(ctx){var canvas=ctx.canvas,x0=Math.ceil(-this.getWidth()/2-this.getLeft()),x1=Math.ceil(-this.getWidth()/2),x2=Math.ceil(this.getWidth()/2),x3=Math.ceil(this.getWidth()/2+(canvas.width-this.getWidth()-this.getLeft())),y0=Math.ceil(-this.getHeight()/2-this.getTop()),y1=Math.ceil(-this.getHeight()/2),y2=Math.ceil(this.getHeight()/2),y3=Math.ceil(this.getHeight()/2+(canvas.height-this.getHeight()-this.getTop()));ctx.beginPath(),ctx.moveTo(x0-1,y0-1),ctx.lineTo(x3+1,y0-1),ctx.lineTo(x3+1,y3+1),ctx.lineTo(x0-1,y3-1),ctx.lineTo(x0-1,y0-1),ctx.closePath(),ctx.moveTo(x1,y1),ctx.lineTo(x1,y2),ctx.lineTo(x2,y2),ctx.lineTo(x2,y1),ctx.lineTo(x1,y1),ctx.closePath(),ctx.fill()},_renderBorders:function(ctx){ctx.beginPath(),ctx.moveTo(-this.getWidth()/2,-this.getHeight()/2),ctx.lineTo(this.getWidth()/2,-this.getHeight()/2),ctx.lineTo(this.getWidth()/2,this.getHeight()/2),ctx.lineTo(-this.getWidth()/2,this.getHeight()/2),ctx.lineTo(-this.getWidth()/2,-this.getHeight()/2),ctx.stroke()},_renderGrid:function(ctx){ctx.beginPath(),ctx.moveTo(-this.getWidth()/2+1/3*this.getWidth(),-this.getHeight()/2),ctx.lineTo(-this.getWidth()/2+1/3*this.getWidth(),this.getHeight()/2),ctx.stroke(),ctx.beginPath(),ctx.moveTo(-this.getWidth()/2+2/3*this.getWidth(),-this.getHeight()/2),ctx.lineTo(-this.getWidth()/2+2/3*this.getWidth(),this.getHeight()/2),ctx.stroke(),ctx.beginPath(),ctx.moveTo(-this.getWidth()/2,-this.getHeight()/2+1/3*this.getHeight()),ctx.lineTo(this.getWidth()/2,-this.getHeight()/2+1/3*this.getHeight()),ctx.stroke(),ctx.beginPath(),ctx.moveTo(-this.getWidth()/2,-this.getHeight()/2+2/3*this.getHeight()),ctx.lineTo(this.getWidth()/2,-this.getHeight()/2+2/3*this.getHeight()),ctx.stroke()}});Darkroom.plugins.crop=Darkroom.Plugin.extend({startX:null,startY:null,isKeyCroping:!1,isKeyLeft:!1,isKeyUp:!1,defaults:{minHeight:1,minWidth:1,ratio:null,quickCropKey:!1},initialize:function(){var buttonGroup=this.darkroom.toolbar.createButtonGroup();this.cropButton=buttonGroup.createButton({image:"crop"}),this.okButton=buttonGroup.createButton({image:"done",type:"success",hide:!0}),this.cancelButton=buttonGroup.createButton({image:"close",type:"danger",hide:!0}),this.cropButton.addEventListener("click",this.toggleCrop.bind(this)),this.okButton.addEventListener("click",this.cropCurrentZone.bind(this)),this.cancelButton.addEventListener("click",this.releaseFocus.bind(this)),this.darkroom.canvas.on("mouse:down",this.onMouseDown.bind(this)),this.darkroom.canvas.on("mouse:move",this.onMouseMove.bind(this)),this.darkroom.canvas.on("mouse:up",this.onMouseUp.bind(this)),this.darkroom.canvas.on("object:moving",this.onObjectMoving.bind(this)),this.darkroom.canvas.on("object:scaling",this.onObjectScaling.bind(this)),fabric.util.addListener(fabric.document,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(fabric.document,"keyup",this.onKeyUp.bind(this)),this.darkroom.addEventListener("core:transformation",this.releaseFocus.bind(this))},onObjectMoving:function(event){if(this.hasFocus()){var currentObject=event.target;if(currentObject===this.cropZone){var canvas=this.darkroom.canvas,x=currentObject.getLeft(),y=currentObject.getTop(),w=currentObject.getWidth(),h=currentObject.getHeight(),maxX=canvas.getWidth()-w,maxY=canvas.getHeight()-h;0>x&&currentObject.set("left",0),0>y&&currentObject.set("top",0),x>maxX&&currentObject.set("left",maxX),y>maxY&&currentObject.set("top",maxY),this.darkroom.dispatchEvent("crop:update")}}},onObjectScaling:function(event){if(this.hasFocus()){var preventScaling=!1,currentObject=event.target;if(currentObject===this.cropZone){var canvas=this.darkroom.canvas,pointer=canvas.getPointer(event.e),minX=(pointer.x,pointer.y,currentObject.getLeft()),minY=currentObject.getTop(),maxX=currentObject.getLeft()+currentObject.getWidth(),maxY=currentObject.getTop()+currentObject.getHeight();if(null!==this.options.ratio&&(0>minX||maxX>canvas.getWidth()||0>minY||maxY>canvas.getHeight())&&(preventScaling=!0),0>minX||maxX>canvas.getWidth()||preventScaling){var lastScaleX=this.lastScaleX||1;currentObject.setScaleX(lastScaleX)}if(0>minX&&currentObject.setLeft(0),0>minY||maxY>canvas.getHeight()||preventScaling){var lastScaleY=this.lastScaleY||1;currentObject.setScaleY(lastScaleY)}0>minY&&currentObject.setTop(0),currentObject.getWidth()<this.options.minWidth&&currentObject.scaleToWidth(this.options.minWidth),currentObject.getHeight()<this.options.minHeight&&currentObject.scaleToHeight(this.options.minHeight),this.lastScaleX=currentObject.getScaleX(),this.lastScaleY=currentObject.getScaleY(),this.darkroom.dispatchEvent("crop:update")}}},onMouseDown:function(event){if(this.hasFocus()){var canvas=this.darkroom.canvas;canvas.calcOffset();var pointer=canvas.getPointer(event.e),x=pointer.x,y=pointer.y,point=new fabric.Point(x,y),activeObject=canvas.getActiveObject();activeObject===this.cropZone||this.cropZone.containsPoint(point)||(canvas.discardActiveObject(),this.cropZone.setWidth(0),this.cropZone.setHeight(0),this.cropZone.setScaleX(1),this.cropZone.setScaleY(1),this.startX=x,this.startY=y)}},onMouseMove:function(event){if(this.isKeyCroping)return this.onMouseMoveKeyCrop(event);if(null!==this.startX&&null!==this.startY){var canvas=this.darkroom.canvas,pointer=canvas.getPointer(event.e),x=pointer.x,y=pointer.y;this._renderCropZone(this.startX,this.startY,x,y)}},onMouseMoveKeyCrop:function(event){var canvas=this.darkroom.canvas,zone=this.cropZone,pointer=canvas.getPointer(event.e),x=pointer.x,y=pointer.y;zone.left&&zone.top||(zone.setTop(y),zone.setLeft(x)),this.isKeyLeft=x<zone.left+zone.width/2,this.isKeyUp=y<zone.top+zone.height/2,this._renderCropZone(Math.min(zone.left,x),Math.min(zone.top,y),Math.max(zone.left+zone.width,x),Math.max(zone.top+zone.height,y))},onMouseUp:function(event){if(null!==this.startX&&null!==this.startY){var canvas=this.darkroom.canvas;this.cropZone.setCoords(),canvas.setActiveObject(this.cropZone),canvas.calcOffset(),this.startX=null,this.startY=null}},onKeyDown:function(event){!1===this.options.quickCropKey||event.keyCode!==this.options.quickCropKey||this.isKeyCroping||(this.isKeyCroping=!0,this.darkroom.canvas.discardActiveObject(),this.cropZone.setWidth(0),this.cropZone.setHeight(0),this.cropZone.setScaleX(1),this.cropZone.setScaleY(1),this.cropZone.setTop(0),this.cropZone.setLeft(0))},onKeyUp:function(event){!1!==this.options.quickCropKey&&event.keyCode===this.options.quickCropKey&&this.isKeyCroping&&(this.isKeyCroping=!1,this.startX=1,this.startY=1,this.onMouseUp())},selectZone:function(x,y,width,height,forceDimension){this.hasFocus()||this.requireFocus(),forceDimension?this.cropZone.set({left:x,top:y,width:width,height:height}):this._renderCropZone(x,y,x+width,y+height);var canvas=this.darkroom.canvas;canvas.bringToFront(this.cropZone),this.cropZone.setCoords(),canvas.setActiveObject(this.cropZone),canvas.calcOffset(),this.darkroom.dispatchEvent("crop:update")},toggleCrop:function(){this.hasFocus()?this.releaseFocus():this.requireFocus()},cropCurrentZone:function(){if(this.hasFocus()&&!(this.cropZone.width<1&&this.cropZone.height<1)){var image=this.darkroom.image,top=this.cropZone.getTop()-image.getTop(),left=this.cropZone.getLeft()-image.getLeft(),width=this.cropZone.getWidth(),height=this.cropZone.getHeight();0>top&&(height+=top,top=0),0>left&&(width+=left,left=0),this.darkroom.applyTransformation(new Crop({top:top/image.getHeight(),left:left/image.getWidth(),width:width/image.getWidth(),height:height/image.getHeight()}))}},hasFocus:function(){return void 0!==this.cropZone},requireFocus:function(){this.cropZone=new CropZone({fill:"transparent",hasBorders:!1,originX:"left",originY:"top",cornerColor:"#444",cornerSize:8,transparentCorners:!1,lockRotation:!0,hasRotatingPoint:!1}),null!==this.options.ratio&&this.cropZone.set("lockUniScaling",!0),this.darkroom.canvas.add(this.cropZone),this.darkroom.canvas.defaultCursor="crosshair",this.cropButton.active(!0),this.okButton.hide(!1),this.cancelButton.hide(!1)},releaseFocus:function(){void 0!==this.cropZone&&(this.cropZone.remove(),this.cropZone=void 0,this.cropButton.active(!1),this.okButton.hide(!0),this.cancelButton.hide(!0),this.darkroom.canvas.defaultCursor="default",this.darkroom.dispatchEvent("crop:update"))},_renderCropZone:function(fromX,fromY,toX,toY){var canvas=this.darkroom.canvas,isRight=toX>fromX,isLeft=!isRight,isDown=toY>fromY,isUp=!isDown,minWidth=Math.min(+this.options.minWidth,canvas.getWidth()),minHeight=Math.min(+this.options.minHeight,canvas.getHeight()),leftX=Math.min(fromX,toX),rightX=Math.max(fromX,toX),topY=Math.min(fromY,toY),bottomY=Math.max(fromY,toY);leftX=Math.max(0,leftX),rightX=Math.min(canvas.getWidth(),rightX),topY=Math.max(0,topY),bottomY=Math.min(canvas.getHeight(),bottomY),minWidth>rightX-leftX&&(isRight?rightX=leftX+minWidth:leftX=rightX-minWidth),minHeight>bottomY-topY&&(isDown?bottomY=topY+minHeight:topY=bottomY-minHeight),0>leftX&&(rightX+=Math.abs(leftX),leftX=0),rightX>canvas.getWidth()&&(leftX-=rightX-canvas.getWidth(),rightX=canvas.getWidth()),0>topY&&(bottomY+=Math.abs(topY),topY=0),bottomY>canvas.getHeight()&&(topY-=bottomY-canvas.getHeight(),bottomY=canvas.getHeight());var width=rightX-leftX,height=bottomY-topY,currentRatio=width/height;if(this.options.ratio&&+this.options.ratio!==currentRatio){var ratio=+this.options.ratio;if(this.isKeyCroping&&(isLeft=this.isKeyLeft,isUp=this.isKeyUp),ratio>currentRatio){var newWidth=height*ratio;isLeft&&(leftX-=newWidth-width),width=newWidth}else if(currentRatio>ratio){var newHeight=height/(ratio*height/width);isUp&&(topY-=newHeight-height),height=newHeight}if(0>leftX&&(leftX=0),0>topY&&(topY=0),leftX+width>canvas.getWidth()){var newWidth=canvas.getWidth()-leftX;height=newWidth*height/width,width=newWidth,isUp&&(topY=fromY-height)}if(topY+height>canvas.getHeight()){var newHeight=canvas.getHeight()-topY;width=width*newHeight/height,height=newHeight,isLeft&&(leftX=fromX-width)}}this.cropZone.left=leftX,this.cropZone.top=topY,this.cropZone.width=width,this.cropZone.height=height,this.darkroom.canvas.bringToFront(this.cropZone),this.darkroom.dispatchEvent("crop:update")}})}(),function(){"use strict";Darkroom.plugins.save=Darkroom.Plugin.extend({defaults:{callback:function(){this.darkroom.selfDestroy()}},initialize:function(){var buttonGroup=this.darkroom.toolbar.createButtonGroup();this.destroyButton=buttonGroup.createButton({image:"save"}),this.destroyButton.addEventListener("click",this.options.callback.bind(this))}})}();

❌ Cancel