//vwd ver0.0.2 var gCurvyCorners=[]; /**************************************************************** * * * curvyCorners * * ------------ * * * * This script generates rounded corners for your divs. * * * * Version 1.3 * * Copyright (c) 2006 Cameron Cooke * * By: Cameron Cooke and Tim Hutchison. * * * * * * Website: http://www.curvycorners.net * * Email: info@totalinfinity.com * * Forum: http://www.curvycorners.net/forum/ * * * * * * This library is free software; you can redistribute * * it and/or modify it under the terms of the GNU * * Lesser General Public License as published by the * * Free Software Foundation; either version 2.1 of the * * License, or (at your option) any later version. * * * * This library is distributed in the hope that it will * * be useful, but WITHOUT ANY WARRANTY; without even the * * implied warranty of MERCHANTABILITY or FITNESS FOR A * * PARTICULAR PURPOSE. See the GNU Lesser General Public * * License for more details. * * * * You should have received a copy of the GNU Lesser * * General Public License along with this library; * * Inc., 59 Temple Place, Suite 330, Boston, * * MA 02111-1307 USA * * * ****************************************************************/ // Browser detection var isIE = navigator.userAgent.toLowerCase().indexOf("msie") > -1; var isMoz = document.implementation && document.implementation.createDocument; var isSafari = ((navigator.userAgent.toLowerCase().indexOf('safari')!=-1)&&(navigator.userAgent.toLowerCase().indexOf('mac')!=-1))?true:false; /* Usage: newCornersObj = new curvyCorners(settingsObj, "classNameStr"); newCornersObj = new curvyCorners(settingsObj, divObj1[, divObj2[, divObj3[, . . . [, divObjN]]]]); */ function curvyCorners() { // Check parameters if(typeof(arguments[0]) != "object") throw newCurvyError("First parameter of curvyCorners() must be an object."); if(typeof(arguments[1]) != "object" && typeof(arguments[1]) != "string") throw newCurvyError("Second parameter of curvyCorners() must be an object or a class name."); // Get object(s) if(typeof(arguments[1]) == "string") { // Get elements by class name var startIndex = 0; var boxCol = getElementsByClass(arguments[1]); } else { // Get objects var startIndex = 1; var boxCol = arguments; } // Create return collection/object var curvyCornersCol = new Array(); // Create array of html elements that can have rounded corners if(arguments[0].validTags) var validElements = arguments[0].validTags; else var validElements = ["div"]; // Default // Loop through each argument for(var i = startIndex, j = boxCol.length; i < j; i++) { // Current element tag name var currentTag = boxCol[i].tagName.toLowerCase(); if(inArray(validElements, currentTag) !== false) { curvyCornersCol[curvyCornersCol.length] = new curvyObject(arguments[0], boxCol[i]); } } this.objects = curvyCornersCol; // Applys the curvyCorners to all objects this.applyCornersToAll = function() { for(var x = 0, k = this.objects.length; x < k; x++) { this.objects[x].applyCorners(); } } } // curvyCorners object (can be called directly) function curvyObject() { // Setup Globals this.box = arguments[1]; this.settings = arguments[0]; this.topContainer = null; this.bottomContainer = null; this.masterCorners = new Array(); this.contentDIV = null; this.fragment = null; // Get box formatting details var boxHeight = get_style(this.box, "height", "height"); var boxWidth = get_style(this.box, "width", "width"); var borderWidth = get_style(this.box, "borderTopWidth", "border-top-width"); var borderColour = get_style(this.box, "borderTopColor", "border-top-color"); var boxColour = get_style(this.box, "backgroundColor", "background-color"); var backgroundImage = get_style(this.box, "backgroundImage", "background-image"); var boxPosition = get_style(this.box, "position", "position"); var boxPadding = get_style(this.box, "paddingTop", "padding-top"); // Set formatting propertes this.boxHeight = parseInt(((boxHeight != "" && boxHeight != "auto" && boxHeight.indexOf("%") == -1)? boxHeight.substring(0, boxHeight.indexOf("px")) : this.box.scrollHeight)); this.boxWidth = parseInt(((boxWidth != "" && boxWidth != "auto" && boxWidth.indexOf("%") == -1)? boxWidth.substring(0, boxWidth.indexOf("px")) : this.box.scrollWidth)); this.borderWidth = parseInt(((borderWidth != "" && borderWidth.indexOf("px") !== -1)? borderWidth.slice(0, borderWidth.indexOf("px")) : 0)); this.boxColour = format_colour(boxColour); this.boxPadding = parseInt(((boxPadding != "" && boxPadding.indexOf("px") !== -1)? boxPadding.slice(0, boxPadding.indexOf("px")) : 0)); this.borderColour = format_colour(borderColour); this.borderString = this.borderWidth + "px" + " solid " + this.borderColour; this.backgroundImage = ((backgroundImage != "none")? backgroundImage : ""); this.boxContent = this.box.innerHTML; // Make box relative if not already absolute and remove any padding if(boxPosition != "absolute") this.box.style.position = "relative"; this.box.style.padding = "0px"; // If IE and height and width are not set, we need to set width so that we get positioning if(isIE && boxWidth == "auto" && boxHeight == "auto") this.box.style.width = "100%"; // Resize box so that it stays to the orignal height // Remove content if box is using autoPad if(this.settings.autoPad == true && this.boxPadding > 0) this.box.innerHTML = ""; /* This method creates the corners and applies them to the div element. */ this.applyCorners = function() { /* Create top and bottom containers. These will be used as a parent for the corners and bars. */ for(var t = 0; t < 2; t++) { switch(t) { // Top case 0: // Only build top bar if a top corner is to be draw if(this.settings.tl || this.settings.tr) { var newMainContainer = document.createElement("DIV"); newMainContainer.style.width = "100%"; newMainContainer.style.fontSize = "1px"; newMainContainer.style.overflow = "hidden"; newMainContainer.style.position = "absolute"; newMainContainer.style.paddingLeft = this.borderWidth + "px"; newMainContainer.style.paddingRight = this.borderWidth + "px"; var topMaxRadius = Math.max(this.settings.tl ? this.settings.tl.radius : 0, this.settings.tr ? this.settings.tr.radius : 0); newMainContainer.style.height = topMaxRadius + "px"; newMainContainer.style.top = 0 - topMaxRadius + "px"; newMainContainer.style.left = 0 - this.borderWidth + "px"; this.topContainer = this.box.appendChild(newMainContainer); } break; // Bottom case 1: // Only build bottom bar if a top corner is to be draw if(this.settings.bl || this.settings.br) { var newMainContainer = document.createElement("DIV"); newMainContainer.style.width = "100%"; newMainContainer.style.fontSize = "1px"; newMainContainer.style.overflow = "hidden"; newMainContainer.style.position = "absolute"; newMainContainer.style.paddingLeft = this.borderWidth + "px"; newMainContainer.style.paddingRight = this.borderWidth + "px"; var botMaxRadius = Math.max(this.settings.bl ? this.settings.bl.radius : 0, this.settings.br ? this.settings.br.radius : 0); newMainContainer.style.height = botMaxRadius + "px"; newMainContainer.style.bottom = 0 - botMaxRadius + "px"; newMainContainer.style.left = 0 - this.borderWidth + "px"; this.bottomContainer = this.box.appendChild(newMainContainer); } break; } } // Turn off current borders if(this.topContainer) this.box.style.borderTopWidth = "0px"; if(this.bottomContainer) this.box.style.borderBottomWidth = "0px"; // Create array of available corners var corners = ["tr", "tl", "br", "bl"]; /* Loop for each corner */ for(var i in corners) { this.fragment = document.createDocumentFragment(); // FIX for prototype lib if(i > -1 < 4) { // Get current corner type from array var cc = corners[i]; // Has the user requested the currentCorner be round? if(!this.settings[cc]) { // No if(((cc == "tr" || cc == "tl") && this.topContainer != null) || ((cc == "br" || cc == "bl") && this.bottomContainer != null)) { // We need to create a filler div to fill the space upto the next horzontal corner. var newCorner = document.createElement("DIV"); // Setup corners properties newCorner.style.position = "relative"; newCorner.style.fontSize = "1px"; newCorner.style.overflow = "hidden"; // Add background image? if(this.backgroundImage == "") newCorner.style.backgroundColor = this.boxColour; else newCorner.style.backgroundImage = this.backgroundImage; switch(cc) { case "tl": newCorner.style.height = topMaxRadius - this.borderWidth + "px"; newCorner.style.marginRight = this.settings.tr.radius - (this.borderWidth*2) + "px"; newCorner.style.borderLeft = this.borderString; newCorner.style.borderTop = this.borderString; newCorner.style.left = -this.borderWidth + "px"; break; case "tr": newCorner.style.height = topMaxRadius - this.borderWidth + "px"; newCorner.style.marginLeft = this.settings.tl.radius - (this.borderWidth*2) + "px"; newCorner.style.borderRight = this.borderString; newCorner.style.borderTop = this.borderString; newCorner.style.backgroundPosition = "-" + (topMaxRadius + this.borderWidth) + "px 0px"; newCorner.style.left = this.borderWidth + "px"; break; case "bl": newCorner.style.height = botMaxRadius - this.borderWidth + "px"; newCorner.style.marginRight = this.settings.br.radius - (this.borderWidth*2) + "px"; newCorner.style.borderLeft = this.borderString; newCorner.style.borderBottom = this.borderString; newCorner.style.left = -this.borderWidth + "px"; newCorner.style.backgroundPosition = "-" + (this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px"; break; case "br": newCorner.style.height = botMaxRadius - this.borderWidth + "px"; newCorner.style.marginLeft = this.settings.bl.radius - (this.borderWidth*2) + "px"; newCorner.style.borderRight = this.borderString; newCorner.style.borderBottom = this.borderString; newCorner.style.left = this.borderWidth + "px" newCorner.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px"; break; } } } else { /* PERFORMANCE NOTE: If more than one corner is requested and a corner has been already created for the same radius then that corner will be used as a master and cloned. The pixel bars will then be repositioned to form the new corner type. All new corners start as a bottom right corner. */ if(this.masterCorners[this.settings[cc].radius]) { // Create clone of the master corner var newCorner = this.masterCorners[this.settings[cc].radius].cloneNode(true); } else { // Yes, we need to create a new corner var newCorner = document.createElement("DIV"); newCorner.style.height = this.settings[cc].radius + "px"; newCorner.style.width = this.settings[cc].radius + "px"; newCorner.style.position = "absolute"; newCorner.style.fontSize = "1px"; newCorner.style.overflow = "hidden"; // THE FOLLOWING BLOCK OF CODE CREATES A ROUNDED CORNER // ---------------------------------------------------- TOP // Get border radius var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth); // Cycle the x-axis for(var intx = 0, j = this.settings[cc].radius; intx < j; intx++) { // Calculate the value of y1 which identifies the pixels inside the border if((intx +1) >= borderRadius) var y1 = -1; else var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx+1), 2))) - 1); // Only calculate y2 and y3 if there is a border defined if(borderRadius != j) { if((intx) >= borderRadius) var y2 = -1; else var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius,2) - Math.pow(intx, 2))); if((intx+1) >= j) var y3 = -1; else var y3 = (Math.floor(Math.sqrt(Math.pow(j ,2) - Math.pow((intx+1), 2))) - 1); } // Calculate y4 if((intx) >= j) var y4 = -1; else var y4 = Math.ceil(Math.sqrt(Math.pow(j ,2) - Math.pow(intx, 2))); // Draw bar on inside of the border with foreground colour if(y1 > -1) this.drawPixel(intx, 0, this.boxColour, 100, (y1+1), newCorner, -1, this.settings[cc].radius); // Only draw border/foreground antialiased pixels and border if there is a border defined if(borderRadius != j) { // Cycle the y-axis for(var inty = (y1 + 1); inty < y2; inty++) { // Draw anti-alias pixels if(this.settings.antiAlias) { // For each of the pixels that need anti aliasing between the foreground and border colour draw single pixel divs if(this.backgroundImage != "") { var borderFract = (pixelFraction(intx, inty, borderRadius) * 100); if(borderFract < 30) { this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius); } else { this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius); } } else { var pixelcolour = BlendColour(this.boxColour, this.borderColour, pixelFraction(intx, inty, borderRadius)); this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius, cc); } } } // Draw bar for the border if(this.settings.antiAlias) { if(y3 >= y2) { if (y2 == -1) y2 = 0; this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, 0); } } else { if(y3 >= y1) { this.drawPixel(intx, (y1 + 1), this.borderColour, 100, (y3 - y1), newCorner, 0, 0); } } // Set the colour for the outside curve var outsideColour = this.borderColour; } else { // Set the coour for the outside curve var outsideColour = this.boxColour; var y3 = y1; } // Draw aa pixels? if(this.settings.antiAlias) { // Cycle the y-axis and draw the anti aliased pixels on the outside of the curve for(var inty = (y3 + 1); inty < y4; inty++) { // For each of the pixels that need anti aliasing between the foreground/border colour & background draw single pixel divs this.drawPixel(intx, inty, outsideColour, (pixelFraction(intx, inty , j) * 100), 1, newCorner, ((this.borderWidth > 0)? 0 : -1), this.settings[cc].radius); } } } // END OF CORNER CREATION // ---------------------------------------------------- END // Append fragment newCorner.appendChild(this.fragment); // We now need to store the current corner in the masterConers array this.masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true); } /* Now we have a new corner we need to reposition all the pixels unless the current corner is the bottom right. */ if(cc != "br") { // Loop through all children (pixel bars) for(var t = 0, k = newCorner.childNodes.length; t < k; t++) { // Get current pixel bar var pixelBar = newCorner.childNodes[t]; // Get current top and left properties var pixelBarTop = parseInt(pixelBar.style.top.substring(0, pixelBar.style.top.indexOf("px"))); var pixelBarLeft = parseInt(pixelBar.style.left.substring(0, pixelBar.style.left.indexOf("px"))); var pixelBarHeight = parseInt(pixelBar.style.height.substring(0, pixelBar.style.height.indexOf("px"))); // Reposition pixels if(cc == "tl" || cc == "bl"){ pixelBar.style.left = this.settings[cc].radius -pixelBarLeft -1 + "px"; // Left } if(cc == "tr" || cc == "tl"){ pixelBar.style.top = this.settings[cc].radius -pixelBarHeight -pixelBarTop + "px"; // Top } switch(cc) { case "tr": pixelBar.style.backgroundPosition = "-" + Math.abs((this.boxWidth - this.settings[cc].radius + this.borderWidth) + pixelBarLeft) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px"; break; case "tl": pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px"; break; case "bl": pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs((this.boxHeight + this.settings[cc].radius + pixelBarTop) -this.borderWidth) + "px"; break; } } } } if(newCorner) { // Position the container switch(cc) { case "tl": if(newCorner.style.position == "absolute") newCorner.style.top = "0px"; if(newCorner.style.position == "absolute") newCorner.style.left = "0px"; if(this.topContainer) this.topContainer.appendChild(newCorner); break; case "tr": if(newCorner.style.position == "absolute") newCorner.style.top = "0px"; if(newCorner.style.position == "absolute") newCorner.style.right = "0px"; if(this.topContainer) this.topContainer.appendChild(newCorner); break; case "bl": if(newCorner.style.position == "absolute") newCorner.style.bottom = "0px"; if(newCorner.style.position == "absolute") newCorner.style.left = "0px"; if(this.bottomContainer) this.bottomContainer.appendChild(newCorner); break; case "br": if(newCorner.style.position == "absolute") newCorner.style.bottom = "0px"; if(newCorner.style.position == "absolute") newCorner