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13 lines
32 KiB
13 lines
32 KiB
/*!
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Holder - client side image placeholders
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Version 2.9.4+cabil
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© 2016 Ivan Malopinsky - http://imsky.co
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Site: http://holderjs.com
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Issues: https://github.com/imsky/holder/issues
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License: MIT
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*/
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s.Rect("holderBg",{fill:e.theme.bg});if(h.resize(e.width,e.height),a.root.add(h),e.flags.outline){var u=new S(h.properties.fill);u=u.lighten(u.lighterThan("7f7f7f")?-.1:.1),h.properties.outline={fill:u.toHex(!0),width:2}}var c=e.theme.fg;if(e.flags.autoFg){var d=new S(h.properties.fill),f=new S("fff"),p=new S("000",{alpha:.285714});c=d.blendAlpha(d.lighterThan("7f7f7f")?p:f).toHex(!0)}var g=new s.Group("holderTextGroup",{text:e.text,align:e.align,font:e.font,fill:c});g.moveTo(null,null,1),a.root.add(g);var m=g.textPositionData=z(a);if(!m)throw"Holder: staging fallback not supported yet.";g.properties.leading=m.boundingBox.height;var v=null,w=null;if(m.lineCount>1){var b,x=0,A=0,C=0;w=new s.Group("line"+C),"left"!==e.align&&"right"!==e.align||(o=e.width*(1-2*(1-r)));for(var E=0;E<m.words.length;E++){var k=m.words[E];v=new s.Text(k.text);var T="\\n"==k.text;!e.noWrap&&(x+k.width>=o||T===!0)&&(t(g,w,x,g.properties.leading),g.add(w),x=0,A+=g.properties.leading,C+=1,w=new 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t;t=null==e||null==e.nodeType?O.vars.resizableImages:[e];for(var n=0,r=t.length;n<r;n++){var i=t[n];if(i.holderData){var o=i.holderData.flags,s=T(i);if(s){if(!i.holderData.resizeUpdate)continue;if(o.fluid&&o.auto){var l=i.holderData.fluidConfig;switch(l.mode){case"width":s.height=s.width/l.ratio;break;case"height":s.width=s.height*l.ratio}}var h={mode:"image",holderSettings:{dimensions:s,theme:o.theme,flags:o},el:i,engineSettings:i.holderData.engineSettings};"exact"==o.textmode&&(o.exactDimensions=s,h.holderSettings.dimensions=o.dimensions),a(h)}else f(i)}}}function u(e){if(e.holderData){var t=T(e);if(t){var n=e.holderData.flags,r={fluidHeight:"%"==n.dimensions.height.slice(-1),fluidWidth:"%"==n.dimensions.width.slice(-1),mode:null,initialDimensions:t};r.fluidWidth&&!r.fluidHeight?(r.mode="width",r.ratio=r.initialDimensions.width/parseFloat(n.dimensions.height)):!r.fluidWidth&&r.fluidHeight&&(r.mode="height",r.ratio=parseFloat(n.dimensions.width)/r.initialDimensions.height),e.holderData.fluidConfig=r}else f(e)}}function c(){var e,n=[],r=Object.keys(O.vars.invisibleImages);r.forEach(function(t){e=O.vars.invisibleImages[t],T(e)&&"img"==e.nodeName.toLowerCase()&&(n.push(e),delete O.vars.invisibleImages[t])}),n.length&&F.run({images:n}),setTimeout(function(){t.requestAnimationFrame(c)},10)}function d(){O.vars.visibilityCheckStarted||(t.requestAnimationFrame(c),O.vars.visibilityCheckStarted=!0)}function f(e){e.holderData.invisibleId||(O.vars.invisibleId+=1,O.vars.invisibleImages["i"+O.vars.invisibleId]=e,e.holderData.invisibleId=O.vars.invisibleId)}function 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d=l.substr(c).match(/([^\"]*)"?\)/);if(null!==d)h=d[1];else if(0===l.indexOf("url("))throw"Holder: unable to parse background URL: "+l}if(h){var f=i(h,a);f&&o({mode:"background",el:e,flags:f,engineSettings:n})}}}),u.forEach(function(e){var t={};try{t.data=e.getAttribute("data"),t.dataSrc=e.getAttribute(O.vars.dataAttr)}catch(i){}var o=null!=t.data&&0===t.data.indexOf(a.domain),s=null!=t.dataSrc&&0===t.dataSrc.indexOf(a.domain);o?r(a,n,t.data,e):s&&r(a,n,t.dataSrc,e)}),s.forEach(function(e){var t={};try{t.src=e.getAttribute("src"),t.dataSrc=e.getAttribute(O.vars.dataAttr),t.rendered=e.getAttribute("data-holder-rendered")}catch(i){}var o=null!=t.src,s=null!=t.dataSrc&&0===t.dataSrc.indexOf(a.domain),l=null!=t.rendered&&"true"==t.rendered;o?0===t.src.indexOf(a.domain)?r(a,n,t.src,e):s&&(l?r(a,n,t.dataSrc,e):!function(e,t,n,i,o){w.imageExists(e,function(e){e||r(t,n,i,o)})}(t.src,a,n,t.dataSrc,e)):s&&r(a,n,t.dataSrc,e)}),this}},O={settings:{domain:"holder.js",images:"img",objects:"object",bgnodes:"body .holderjs",stylenodes:"head link.holderjs",themes:{gray:{bg:"#EEEEEE",fg:"#AAAAAA"},social:{bg:"#3a5a97",fg:"#FFFFFF"},industrial:{bg:"#434A52",fg:"#C2F200"},sky:{bg:"#0D8FDB",fg:"#FFFFFF"},vine:{bg:"#39DBAC",fg:"#1E292C"},lava:{bg:"#F8591A",fg:"#1C2846"}}},defaults:{size:10,units:"pt",scale:1/16}},z=function(){var e=null,t=null,n=null;return function(r){var i=r.root;if(O.setup.supportsSVG){var o=!1,a=function(e){return 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