// // iWeb - iWebImage.js // Copyright 2007 Apple Inc. // All rights reserved. // var IWAllImages={};var IWAllImageObjects={};function IWCreateImage(url) {var image=IWAllImages[url];if(image==null) {image=new IWImage(url);} return image;} var IWNamedImages={};function IWImageNamed(name) {var image=null;var url=IWNamedImages[name];if(url) {image=IWCreateImage(url);} return image;} function IWRegisterNamedImage(name,url) {IWNamedImages[name]=url;} function IWImage(url) {if(IWAllImages.hasOwnProperty(url)) {iWLog("warning -- use IWCreateImage rather than new IWImage and you'll get better performance");} this.mPreventUnloading=0;this.mLoading=false;this.mLoaded=false;this.mURL=url;this.mCallbacks=[];IWAllImages[url]=this;} IWImage.prototype.sourceURL=function() {return this.mURL;} IWImage.prototype.loaded=function() {return this.mLoaded;} IWImage.prototype.load=function(callback,delayCallbackIfLoaded) {if(this.mLoaded) {if(callback!=null) {delayCallbackIfLoaded?setTimeout(callback,0):callback();}} else {if(callback!=null) {this.mCallbacks.push(callback);} if(this.mLoading==false) {this.mLoading=true;var img=new Image();IWAllImageObjects[this.sourceURL()]=img;img.onload=this.p_onload.bind(this);img.src=this.mURL;}}} detectBrowser();var IWImageEnableUnload=isiPhone;IWImage.prototype.unload=function(evenIfNotEnabled) {if((evenIfNotEnabled||IWImageEnableUnload)&&this.mLoaded) {if(this.mPreventUnloading<=0) {this.mLoaded=false;this.mLoading=false;IWAllImageObjects[this.sourceURL()]=null;} else {this.mPreventedUnload=true;}}} IWImage.prototype.preventUnloading=function() {if(this.mPreventUnloading==0) {this.mPreventedUnload=false;} ++this.mPreventUnloading;} IWImage.prototype.allowUnloading=function() {--this.mPreventUnloading;if(this.mPreventUnloading<=0&&this.mPreventedUnload) {this.unload();}} IWImage.prototype.naturalSize=function() {(function(){return this.mNaturalSize!==undefined}).bind(this).assert();return this.mNaturalSize;} IWImage.prototype.imgObject=function() {return IWAllImageObjects[this.sourceURL()];} IWImage.prototype.p_onload=function() {this.preventUnloading();this.mLoaded=true;if(this.mNaturalSize===undefined) {var imgObject=this.imgObject();(function(){return imgObject!==undefined}).assert();this.mNaturalSize=new IWSize(imgObject.width,imgObject.height);} for(var i=0;i0) {var element=elements.shift();var children=$(element).select('.'+effectClass);if(children.length>0) {elements.minusArray(children);effectQueue=effectQueue.concat(this.p_generateQueueForEffectClass(effect,effectClass,children));} effectQueue.push({element:element,effect:effect});} return effectQueue;} var allStyleSheetsLoaded=false;var timeStyleSheetsAppearedInDOM=undefined;IWEffectRegistry.prototype.p_allStyleSheetsLoaded=function() {if(isCamino||isFirefox) {if(timeStyleSheetsAppearedInDOM!==undefined) {duration=(new Date().getTime())-timeStyleSheetsAppearedInDOM;if(duration>100) {allStyleSheetsLoaded=true;timeStyleSheetsAppearedInDOM=undefined;}} else if(!allStyleSheetsLoaded) {for(var i=0,sheetCount=document.styleSheets.length;i0&&duration<100&&readyToApplyEffects) {var queueEntry=queue.shift();if(queueEntry&&queueEntry.effect&&queueEntry.element) {queueEntry.effect.applyToElement(queueEntry.element);} duration=(new Date().getTime())-startTime;} if(queue.length>0) {setTimeout(this.p_applyEffectsFromQueue.bind(this,queue),0);} else {performPostEffectsFixups();}} function IWChildOffset(child,parent,positionedOnly) {var l=0;var t=0;if(parent) {var current=child;while(current&¤t!=parent) {if(!positionedOnly||(current.style.position=="absolute")||(current.style.position=="relative")) {l+=current.offsetLeft;t+=current.offsetTop;} current=current.parentNode;}} return new IWPoint(l,t);} function IWImageExtents(ancestor,images,left,top,right,bottom) {var unionedBounds=new IWRect(left,top,right-left,bottom-top);for(var e=0;e0)&&(imageClippedBounds.size.height>0)) {if((unionedBounds.size.width>0)&&(unionedBounds.size.height>0)) {unionedBounds=unionedBounds.union(imageClippedBounds);} else {unionedBounds=imageClippedBounds.clone();}}} var extents={left:unionedBounds.origin.x,top:unionedBounds.origin.y,right:unionedBounds.origin.x+unionedBounds.size.width,bottom:unionedBounds.origin.y+unionedBounds.size.height};return extents;} function IWImageChildren(element) {var allImgs=element.getElementsByTagName("img");var inlineRegex=new RegExp('\\b'+'inline-block'+'\\b');var badgeRegex=new RegExp('\\b'+'badge-overlay'+'\\b');var imgs=new Array();for(var e=0;e0);var divBounds=new IWRect(-leftOffset,-topOffset,frameSize.width,frameSize.height).round();if(fillBackground) {context.fillStyle='rgba(0,0,0,1)';divBounds.fill(context);} for(var k=0;k=4) {context.shadowColor="rgba("+parseInt(components[1],16)+", "+parseInt(components[2],16)+", "+parseInt(components[3],16)+", "+self.mOpacity+")";} else {components=self.mColor.match(/rgb\(([0-9\.]+),[ ]*([0-9\.]+),[ ]*([0-9\.]+)\)/);if(components&&components.length>=4) {context.shadowColor="rgba("+components[1]+", "+components[2]+", "+components[3]+", "+self.mOpacity+")";} else {iWLog("not using shadow alpha, failed to match "+self.mColor);usingShadowAlpha=false;}}} if(usingShadowAlpha==false) {context.globalAlpha*=self.mOpacity;context.shadowColor=self.mColor;} context.shadowBlur=self.mBlurRadius;context.shadowOffsetX=self.mOffset.x;context.shadowOffsetY=self.mOffset.y;context.drawImage(workingCanvas,0,0);context.restore();if(usingShadowAlpha==false) {drawImageUnshadowed=self.mOpacity<1.0;} else {drawImageUnshadowed=false;}} if(drawImageUnshadowed) {context.drawImage(workingCanvas,0,0);} if(fillBackground) {divBounds.clear(context);context.save();context.globalAlpha=opacity;context.rect(divBounds.origin.x,divBounds.origin.y,divBounds.size.width,divBounds.size.height);context.clip();for(var k=0;k0) {for(var j=0;j