+++ /dev/null
-/************************************************************************************************************<br>
-<br>
- @fileoverview
- Rounded corners class<br>
- (C) www.dhtmlgoodies.com, September 2006<br>
- <br>
- This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website. <br>
- <br>
- Terms of use:<br>
- Look at the terms of use at http://www.dhtmlgoodies.com/index.html?page=termsOfUse<br>
- <br>
- Thank you!<br>
- <br>
- www.dhtmlgoodies.com<br>
- Alf Magne Kalleland<br>
-<br>
-************************************************************************************************************/
-
-// {{{ Constructor
-function DHTMLgoodies_roundedCorners()
-{
- var roundedCornerTargets;
-
- this.roundedCornerTargets = new Array();
-
-}
- var string = '';
-// }}}
-DHTMLgoodies_roundedCorners.prototype = {
-
- // {{{ addTarget()
- /**
- *
- *
- * Add rounded corners to an element
- *
- * @param String divId = Id of element on page. Example "leftColumn" for <div id="leftColumn">
- * @param Int xRadius = Y radius of rounded corners, example 10
- * @param Int yRadius = Y radius of rounded corners, example 10
- * @param String color = Background color of element, example #FFF or #AABBCC
- * @param String color = backgroundColor color of element "behind", example #FFF or #AABBCC
- * @param Int padding = Padding of content - This will be added as left and right padding(not top and bottom)
- * @param String heightOfContent = Optional argument. You can specify a fixed height of your content. example "15" which means pixels, or "50%".
- * @param String whichCorners = Optional argument. Commaseparated list of corners, example "top_left,top_right,bottom_left"
- *
- * @public
- */
- addTarget : function(divId,xRadius,yRadius,color,backgroundColor,padding,heightOfContent,whichCorners)
- {
- var index = this.roundedCornerTargets.length;
- this.roundedCornerTargets[index] = new Array();
- this.roundedCornerTargets[index]['divId'] = divId;
- this.roundedCornerTargets[index]['xRadius'] = xRadius;
- this.roundedCornerTargets[index]['yRadius'] = yRadius;
- this.roundedCornerTargets[index]['color'] = color;
- this.roundedCornerTargets[index]['backgroundColor'] = backgroundColor;
- this.roundedCornerTargets[index]['padding'] = padding;
- this.roundedCornerTargets[index]['heightOfContent'] = heightOfContent;
- this.roundedCornerTargets[index]['whichCorners'] = whichCorners;
-
- }
- // }}}
- ,
- // {{{ init()
- /**
- *
- *
- * Initializes the script
- *
- *
- * @public
- */
- init : function()
- {
-
- for(var targetCounter=0;targetCounter < this.roundedCornerTargets.length;targetCounter++){
-
- // Creating local variables of each option
- whichCorners = this.roundedCornerTargets[targetCounter]['whichCorners'];
- divId = this.roundedCornerTargets[targetCounter]['divId'];
- xRadius = this.roundedCornerTargets[targetCounter]['xRadius'];
- yRadius = this.roundedCornerTargets[targetCounter]['yRadius'];
- color = this.roundedCornerTargets[targetCounter]['color'];
- backgroundColor = this.roundedCornerTargets[targetCounter]['backgroundColor'];
- padding = this.roundedCornerTargets[targetCounter]['padding'];
- heightOfContent = this.roundedCornerTargets[targetCounter]['heightOfContent'];
- whichCorners = this.roundedCornerTargets[targetCounter]['whichCorners'];
-
- // Which corners should we add rounded corners to?
- var cornerArray = new Array();
- if(!whichCorners || whichCorners=='all'){
- cornerArray['top_left'] = true;
- cornerArray['top_right'] = true;
- cornerArray['bottom_left'] = true;
- cornerArray['bottom_right'] = true;
- }else{
- cornerArray = whichCorners.split(/,/gi);
- for(var prop in cornerArray)cornerArray[cornerArray[prop]] = true;
- }
-
-
- var factorX = xRadius/yRadius; // How big is x radius compared to y radius
-
- var obj = document.getElementById(divId); // Creating reference to element
- obj.style.backgroundColor=null; // Setting background color blank
- obj.style.backgroundColor='transparent';
- var content = obj.innerHTML; // Saving HTML content of this element
- obj.innerHTML = ''; // Setting HTML content of element blank-
-
-
-
-
- // Adding top corner div.
-
- if(cornerArray['top_left'] || cornerArray['top_right']){
- var topBar_container = document.createElement('DIV');
- topBar_container.style.height = yRadius + 'px';
- topBar_container.style.overflow = 'hidden';
-
- obj.appendChild(topBar_container);
- var currentAntialiasSize = 0;
- var savedRestValue = 0;
-
- for(no=1;no<=yRadius;no++){
- var marginSize = (xRadius - (this.getY((yRadius - no),yRadius,factorX)));
- var marginSize_decimals = (xRadius - (this.getY_withDecimals((yRadius - no),yRadius,factorX)));
- var restValue = xRadius - marginSize_decimals;
- var antialiasSize = xRadius - marginSize - Math.floor(savedRestValue)
- var foregroundSize = xRadius - (marginSize + antialiasSize);
-
- var el = document.createElement('DIV');
- el.style.overflow='hidden';
- el.style.height = '1px';
- if(cornerArray['top_left'])el.style.marginLeft = marginSize + 'px';
- if(cornerArray['top_right'])el.style.marginRight = marginSize + 'px';
- topBar_container.appendChild(el);
- var y = topBar_container;
-
- for(var no2=1;no2<=antialiasSize;no2++){
- switch(no2){
- case 1:
- if (no2 == antialiasSize)
- blendMode = ((restValue + savedRestValue) /2) - foregroundSize;
- else {
- var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2),xRadius,1/factorX);
- blendMode = (restValue - foregroundSize - antialiasSize + 1) * (tmpValue - (yRadius - no)) /2;
- }
- break;
- case antialiasSize:
- var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2 + 1),xRadius,1/factorX);
- blendMode = 1 - (1 - (tmpValue - (yRadius - no))) * (1 - (savedRestValue - foregroundSize)) /2;
- break;
- default:
- var tmpValue2 = this.getY_withDecimals((xRadius - marginSize - no2),xRadius,1/factorX);
- var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2 + 1),xRadius,1/factorX);
- blendMode = ((tmpValue + tmpValue2) / 2) - (yRadius - no);
- }
-
- el.style.backgroundColor = this.__blendColors(backgroundColor,color,blendMode);
- y.appendChild(el);
- y = el;
- var el = document.createElement('DIV');
- el.style.height = '1px';
- el.style.overflow='hidden';
- if(cornerArray['top_left'])el.style.marginLeft = '1px';
- if(cornerArray['top_right'])el.style.marginRight = '1px';
- el.style.backgroundColor=color;
- }
-
- y.appendChild(el);
- savedRestValue = restValue;
- }
- }
-
- // Add content
- var contentDiv = document.createElement('DIV');
- contentDiv.className = obj.className;
- contentDiv.style.border='1px solid ' + color;
- contentDiv.innerHTML = content;
- contentDiv.style.backgroundColor=color;
- contentDiv.style.paddingLeft = padding + 'px';
- contentDiv.style.paddingRight = padding + 'px';
-
- if(!heightOfContent)heightOfContent = '';
- heightOfContent = heightOfContent + '';
- if(heightOfContent.length>0 && heightOfContent.indexOf('%')==-1)heightOfContent = heightOfContent + 'px';
- if(heightOfContent.length>0)contentDiv.style.height = heightOfContent;
-
- obj.appendChild(contentDiv);
-
-
- if(cornerArray['bottom_left'] || cornerArray['bottom_right']){
- var bottomBar_container = document.createElement('DIV');
- bottomBar_container.style.height = yRadius + 'px';
- bottomBar_container.style.overflow = 'hidden';
-
- obj.appendChild(bottomBar_container);
- var currentAntialiasSize = 0;
- var savedRestValue = 0;
-
- var errorOccured = false;
- var arrayOfDivs = new Array();
- for(no=1;no<=yRadius;no++){
-
- var marginSize = (xRadius - (this.getY((yRadius - no),yRadius,factorX)));
- var marginSize_decimals = (xRadius - (this.getY_withDecimals((yRadius - no),yRadius,factorX)));
-
- var restValue = (xRadius - marginSize_decimals);
- var antialiasSize = xRadius - marginSize - Math.floor(savedRestValue)
- var foregroundSize = xRadius - (marginSize + antialiasSize);
-
- var el = document.createElement('DIV');
- el.style.overflow='hidden';
- el.style.height = '1px';
- if(cornerArray['bottom_left'])el.style.marginLeft = marginSize + 'px';
- if(cornerArray['bottom_right'])el.style.marginRight = marginSize + 'px';
- bottomBar_container.insertBefore(el,bottomBar_container.firstChild);
-
- var y = bottomBar_container;
-
- for(var no2=1;no2<=antialiasSize;no2++){
- switch(no2){
- case 1:
- if (no2 == antialiasSize)
- blendMode = ((restValue + savedRestValue) /2) - foregroundSize;
- else {
- var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2),xRadius,1/factorX);
- blendMode = (restValue - foregroundSize - antialiasSize + 1) * (tmpValue - (yRadius - no)) /2;
- }
- break;
- case antialiasSize:
- var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2 + 1),xRadius,1/factorX);
- blendMode = 1 - (1 - (tmpValue - (yRadius - no))) * (1 - (savedRestValue - foregroundSize)) /2;
- break;
- default:
- var tmpValue2 = this.getY_withDecimals((xRadius - marginSize - no2),xRadius,1/factorX);
- var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2 + 1),xRadius,1/factorX);
- blendMode = ((tmpValue + tmpValue2) / 2) - (yRadius - no);
- }
-
- el.style.backgroundColor = this.__blendColors(backgroundColor,color,blendMode);
-
- if(y==bottomBar_container)arrayOfDivs[arrayOfDivs.length] = el;
-
- try{ // Need to look closer at this problem which occures in Opera.
- var firstChild = y.getElementsByTagName('DIV')[0];
- y.insertBefore(el,y.firstChild);
- }catch(e){
- y.appendChild(el);
- errorOccured = true;
- }
- y = el;
-
- var el = document.createElement('DIV');
- el.style.height = '1px';
- el.style.overflow='hidden';
- if(cornerArray['bottom_left'])el.style.marginLeft = '1px';
- if(cornerArray['bottom_right'])el.style.marginRight = '1px';
-
- }
-
- if(errorOccured){ // Opera fix
- for(var divCounter=arrayOfDivs.length-1;divCounter>=0;divCounter--){
- bottomBar_container.appendChild(arrayOfDivs[divCounter]);
- }
- }
-
- el.style.backgroundColor=color;
- y.appendChild(el);
- savedRestValue = restValue;
- }
-
- }
- }
- }
- // }}}
- ,
- // {{{ getY()
- /**
- *
- *
- * Add rounded corners to an element
- *
- * @param Int x = x Coordinate
- * @param Int maxX = Size of rounded corners
- *
- *
- * @private
- */
- getY : function(x,maxX,factorX){
- // y = sqrt(100 - x^2)
- // Y = 0.5 * ((100 - x^2)^0.5);
- return Math.max(0,Math.ceil(factorX * Math.sqrt( (maxX * maxX) - (x*x)) ));
-
- }
- // }}}
- ,
- // {{{ getY_withDecimals()
- /**
- *
- *
- * Add rounded corners to an element
- *
- * @param Int x = x Coordinate
- * @param Int maxX = Size of rounded corners
- *
- *
- * @private
- */
- getY_withDecimals : function(x,maxX,factorX){
- // y = sqrt(100 - x^2)
- // Y = 0.5 * ((100 - x^2)^0.5);
- return Math.max(0,factorX * Math.sqrt( (maxX * maxX) - (x*x)) );
-
- }
-
-
- ,
-
- // {{{ __blendColors()
- /**
- *
- *
- * Simply blending two colors by extracting red, green and blue and subtracting difference between colors from them.
- * Finally, we multiply it with the blendMode value
- *
- * @param String colorA = RGB color
- * @param String colorB = RGB color
- * @param Float blendMode
- *
- *
- * @private
- */
- __blendColors : function (colorA, colorB, blendMode) {
- if(colorA.length=='4'){ // In case we are dealing with colors like #FFF
- colorA = '#' + colorA.substring(1,1) + colorA.substring(1,1) + colorA.substring(2,1) + colorA.substring(2,1) + colorA.substring(3,1) + colorA.substring(3,1);
- }
- if(colorB.length=='4'){ // In case we are dealing with colors like #FFF
- colorB = '#' + colorB.substring(1,1) + colorB.substring(1,1) + colorB.substring(2,1) + colorB.substring(2,1) + colorB.substring(3,1) + colorB.substring(3,1);
- }
- var colorArrayA = [parseInt('0x' + colorA.substring(1,3)), parseInt('0x' + colorA.substring(3, 5)), parseInt('0x' + colorA.substring(5, 7))]; // Create array of Red, Green and Blue ( 0-255)
- var colorArrayB = [parseInt('0x' + colorB.substring(1,3)), parseInt('0x' + colorB.substring(3, 5)), parseInt('0x' + colorB.substring(5, 7))]; // Create array of Red, Green and Blue ( 0-255)
- var red = Math.round(colorArrayA[0] + (colorArrayB[0] - colorArrayA[0])*blendMode).toString(16); // Create new Red color ( Hex )
- var green = Math.round(colorArrayA[1] + (colorArrayB[1] - colorArrayA[1])*blendMode).toString(16); // Create new Green color ( Hex )
- var blue = Math.round(colorArrayA[2] + (colorArrayB[2] - colorArrayA[2])*blendMode).toString(16); // Create new Blue color ( Hex )
-
- if(red.length==1)red = '0' + red;
- if(green.length==1)green = '0' + green;
- if(blue.length==1)blue = '0' + blue;
-
- return '#' + red + green+ blue; // Return new RGB color
- }
-}
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