IE6- neumí zobrazit průhlednost u PNG obrázků. Můžete jej to ovšem naučit :)
Pokud webový prohlížeč neumí zobrazit PNG průhlednost, zobrazí místo ní barvu nastavenou jako barvu pozadí při ukládání obrázku.
/* Correctly handle PNG transparency in Win IE 5.5 & 6. http://homepage.ntlworld.com/bobosola */ var arVersion = navigator.appVersion.split("MSIE") var version = parseFloat(arVersion[1]) if ((version >= 5.5) && (document.body.filters)) { for(var i=0; i<document.images.length; i++) { var img = document.images[i] var imgName = img.src.toUpperCase() if (imgName.substring(imgName.length-3, imgName.length) == "PNG") { var imgID = (img.id) ? "id='" + img.id + "' " : "" var imgClass = (img.className) ? "class='" + img.className + "' " : "" var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' " var imgStyle = "display:inline-block;" + img.style.cssText if (img.align == "left") imgStyle = "float:left;" + imgStyle if (img.align == "right") imgStyle = "float:right;" + imgStyle if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle var strNewHTML = "<span " + imgID + imgClass + imgTitle + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" img.outerHTML = strNewHTML i = i-1 } } }
<meta http-equiv="content-script-type" content="text/javascript" /> <!--[if (lte IE 7)&(gte IE 5)]> <script defer type="text/javascript" src="scripts/fix-png.js"> </script> <![endif]-->
IE5- nepodporuje žádný JavaSript.
/* Correctly handle PNG transparency in Win IE 5.5 & 6. http://homepage.ntlworld.com/bobosola/imagemap.htm */ var strGif = "scripts/transparentpixel.gif" var strFilter = "progid:DXImageTransform.Microsoft.AlphaImageLoader" var arVersion = navigator.appVersion.split("MSIE") var version = parseFloat(arVersion[1]) if ((version >= 5.5) && (document.body.filters)) { for(var i=0; i<document.images.length; i++) { var img = document.images[i] var imgName = img.src.toUpperCase() if (imgName.substring(imgName.length-3, imgName.length) == "PNG") { var imgID = (img.id) ? "id='" + img.id + "' " : "" var imgClass = (img.className) ? "class='" + img.className + "' " : "" var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' " var imgStyle = "display:inline-block;" + img.style.cssText if (img.align == "left") imgStyle = "float:left;" + imgStyle if (img.align == "right") imgStyle = "float:right;" + imgStyle if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle if (img.useMap) { var strAddMap = "<img style=\"position:relative; left:-" + 0 + "px; top:" + 0 +"px;" + "height:" + img.height + "px;width:" + img.width +"\" " + "src=\"" + strGif + "\" usemap=\"" + img.useMap + "\" border=\"" + img.border + "\"></span>" var strNewHTML = "<span " + imgID + imgClass + imgTitle + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" + "filter:" + strFilter + "(src=\'" + img.src + "\', sizingMethod='scale');\">" strNewHTML += strAddMap } else { var strNewHTML = "<span " + imgID + imgClass + imgTitle + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" + "filter:" + strFilter + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" } img.outerHTML = strNewHTML i = i-1 } } for(i=0; i < document.forms.length; i++) findImgInputs(document.forms(i)) } function findImgInputs(oParent) { var oChildren = oParent.children if (oChildren) { for (var i=0; i < oChildren.length; i++) { var oChild = oChildren(i) if ((oChild.type == 'image') && (oChild.src)) { var origSrc = oChild.src oChild.src = strGif oChild.style.filter = strFilter + "(src='" + origSrc + "')" } findImgInputs(oChild) } } }
strGif
.<meta http-equiv="content-script-type" content="text/javascript" /> <!--[if (lte IE 7)&(gte IE 5)]> <script defer type="text/javascript" src="scripts/fix-png-map.js"> </script> <![endif]-->
IE5- nepodporuje žádný JavaSript.
Příloha | Velikost |
---|---|
transparentpixel.gif | 43 bajtů |
fix-png.js.txt | 1.48 KB |
fix-png-map.js.txt | 2.63 KB |