Created
August 22, 2014 15:30
-
-
Save keithdevon/bfa223fd99a3ccee0a00 to your computer and use it in GitHub Desktop.
Full screen background images 2
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!-- background-size-polyfill v0.2.0 | (c) 2012-2013 Louis-Rémi Babé | MIT License --> | |
<PUBLIC:COMPONENT lightWeight="true"> | |
<PUBLIC:ATTACH EVENT="oncontentready" ONEVENT="o.init()" /> | |
<PUBLIC:ATTACH EVENT="ondocumentready" ONEVENT="o.init()" /> | |
<PUBLIC:ATTACH EVENT="onpropertychange" ONEVENT="o.handlePropertychange()" /> | |
<PUBLIC:ATTACH EVENT="ondetach" ONEVENT="o.restore()" /> | |
<PUBLIC:ATTACH EVENT="onresize" FOR="window" ONEVENT="o.handleResize()" /> | |
<PUBLIC:EVENT NAME="onbackgroundupdate" ID="updateEvent" /> | |
<script type="text/javascript"> | |
var o;!function(a,b){var c=/url\(["']?(.*?)["']?\)/,d=/^\s\s*/,e=/\s\s*$/,f=/\s\s*/g,g=/%$/,h={top:0,left:0,bottom:1,right:1,center:.5},i=a.document,j="data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==",k="background-size-polyfill",l=function(){},m=100,n,p,q,r;function s(){var b=i.createElement("div"),c=i.createElement("img"),d=b.style,e=a.style,f=a.currentStyle,g=a.bgsExpando,h=a.firstChild;g&&(g.restore&&(e.backgroundImage=g.restore.backgroundImage,e.position=g.restore.position,e.zIndex=g.restore.zIndex),h&&"DIV"===(h.nodeName||"").toUpperCase()&&h.className===k&&a.removeChild(h)),t(b),b.className=k,d.top=d.right=d.bottom=d.left=0,d.position="fixed",t(c),c.alt="",b.appendChild(c),a.insertBefore(b,a.firstChild),a.bgsExpando=g={wrapper:b,img:c,restore:{backgroundImage:e.backgroundImage,position:e.position,zIndex:e.zIndex},current:{},next:null,processing:!1,loadImg:null,display:!1,changed:!1,ignore:!1,canFixed:"BODY"===a.nodeName.toUpperCase()&&b.offsetHeight>0},d.position="absolute","auto"===f.zIndex&&(e.zIndex=0),"static"===f.position&&(e.position="relative"),o={init:l,handlePropertychange:D,restore:F,handleResize:E},D()}function t(a){var b=a.style;b.position="absolute",b.display="block",b.zIndex=-1,b.overflow="hidden",b.visibility="inherit",b.width=b.height=b.top=b.right=b.bottom=b.left=b.cursor="auto",b.margin=b.padding=b.border=b.outline=b.minWidth=b.minHeight=0,b.background=b.maxWidth=b.maxHeight="none",b.fontSize=b.lineHeight="1em"}function u(a,c,d){var e;c?(e=i.createElement("img"),e.onload=e.onerror=function(){var c=this.width,e=this.height;"error"===b.event.type&&(c=e=0),a.loadImg=this.onload=this.onerror=null,d(c,e)},e.src=c):e={callbackId:b.setTimeout(function(){a.loadImg=null,d(0,0)},0)},a.loadImg=e,e=null}function v(a){var b=o.handlePropertychange;o.handlePropertychange=l,a(),o.handlePropertychange=b}function w(a,b){var c=a.currentStyle.display;return c!==b.display&&(b.display=c,b.changed=!0),"none"!==c}function x(a,b){var d=a.style,e=a.currentStyle,f=b.restore,i=y(e["background-size"]),k=i.split(" "),l={innerWidth:a.offsetWidth-(parseFloat(e.borderLeftWidth)||0)-(parseFloat(e.borderRightWidth)||0),innerHeight:a.offsetHeight-(parseFloat(e.borderTopWidth)||0)-(parseFloat(e.borderBottomWidth)||0),size:i,sizeIsKeyword:"contain"===i||"cover"===i,sizeX:k[0],sizeY:k.length>1?k[1]:"auto",posX:e.backgroundPositionX,posY:e.backgroundPositionY,attachment:e.backgroundAttachment,src:"",imgWidth:0,imgHeight:0};return l.sizeIsKeyword||((parseFloat(l.sizeX)>=0||"auto"===l.sizeX)&&(parseFloat(l.sizeY)>=0||"auto"===l.sizeY)||(l.sizeX=l.sizeY="auto"),g.test(l.sizeX)&&(l.sizeX=(l.innerWidth*parseFloat(l.sizeX)/100||0)+"px"),g.test(l.sizeY)&&(l.sizeY=(l.innerHeight*parseFloat(l.sizeY)/100||0)+"px")),(l.posX in h||g.test(l.posX))&&(l.posX=h[l.posX]||parseFloat(l.posX)/100||0),(l.posY in h||g.test(l.posY))&&(l.posY=h[l.posY]||parseFloat(l.posY)/100||0),(c.exec(d.backgroundImage)||[])[1]===j?v(function(){d.backgroundImage=f.backgroundImage}):f.backgroundImage=d.backgroundImage,l.src=(c.exec(e.backgroundImage)||[])[1],v(function(){d.backgroundImage="url("+j+")"}),l}function y(a){return String(a).replace(d,"").replace(e,"").replace(f," ")}function z(a,c){var d=c.next;function e(){p=b.setTimeout(function(){c.processing=!1,z(a,c)},0)}!c.processing&&d&&(c.next=null,c.processing=!0,u(c,d.src,function(b,f){d.imgWidth=b,d.imgHeight=f,A(c,d)?B(a,c,d,e):e()}))}function A(a,b){var c=a.current,d=!1,e;if(a.changed)a.changed=!1,d=!0;else for(e in b)if(b[e]!==c[e]){d=!0;break}return d}function B(a,c,d,e){var f=c.img,g=f.style,h=d.size,i=d.innerWidth,j=d.innerHeight,k=d.imgWidth,l=d.imgHeight,m=d.posX,n=d.posY,o="number"==typeof m,p="number"==typeof n,s="none",t=0,u=0,v="auto",w="auto",x="px",y="100%",z,A;i&&j&&k&&l&&(c.wrapper.style.position="fixed"===d.attachment&&c.canFixed?"fixed":"absolute",f.src=d.src,d.sizeIsKeyword?(z=i/j,A=k/l,"contain"===h&&A>z||"cover"===h&&z>A?(u=C((j-i/A)*n)+x,v=y):(t=C((i-j*A)*m)+x,w=y),g.left=o?t:m,g.top=p?u:n,g.width=v,g.height=w,s="block"):(g.display="block",g.width=d.sizeX,g.height=d.sizeY,k=f.width,l=f.height,k&&l&&(g.left=o?C((i-k)*m)+x:m,g.top=p?C((j-l)*n)+x:n,s="block"))),g.display=s,c.current=d,q=b.setTimeout(function(){r=b.setTimeout(e,0),updateEvent.fire()},0)}function C(a){var b=0>a;return a=Math.floor(Math.abs(a)),b?-a:a}function D(){var c=a.bgsExpando,d=(b.event||{}).propertyName,e="style.backgroundImage";c.ignore&&(c.ignore=!1,d===e)||(d===e&&a.style.backgroundImage&&(c.ignore=!0),w(a,c)&&(c.next=x(a,c),z(a,c)))}function E(){b.clearTimeout(n),n=b.setTimeout(D,m)}function F(){var c=a.bgsExpando,d,e,f;o={init:l,handlePropertychange:l,restore:l,handleResize:l},b.clearTimeout(n),b.clearTimeout(p),b.clearTimeout(q),b.clearTimeout(r);try{c&&(d=c.loadImg,d&&(d.onload=d.onerror=null,b.clearTimeout(d.callbackId)),e=a.style,f=c.restore,e&&(e.backgroundImage=f.backgroundImage,e.position=f.position,e.zIndex=f.zIndex),a.removeChild(c.wrapper)),a.bgsExpando=null}catch(g){}a=b=i=l=null}o={init:"print"!==i.media?s:l,handlePropertychange:l,restore:l,handleResize:l},"complete"===a.readyState&&o.init()}(element,window);</script> | |
<script type="text/vbscript"></script> | |
</PUBLIC:COMPONENT> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
.hero-image { | |
background:fixed url('images/bg.jpg') center top no-repeat; | |
background-size: cover; | |
background-attachment: scroll; | |
position: fixed; | |
width: 100%; | |
height: 100%; | |
z-index: -1; | |
-ms-behavior: url('js/backgroundsize.min.htc'); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment