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Fix invert-color #1010

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merged 2 commits into from
Oct 22, 2020
Merged

Fix invert-color #1010

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4743b18
Fix invert-color
brongulus Oct 21, 2020
c9d2e1d
Added source information for bookmarklet
brongulus Oct 22, 2020
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3 changes: 2 additions & 1 deletion source/bookmarklets.lisp
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,7 @@
"Decrease the brightness of the web page."
"(function(){function RGBtoHSL(RGBColor){with(Math){var R,G,B;var cMax,cMin;var sum,diff;var Rdelta,Gdelta,Bdelta;var H,L,S;R=RGBColor[0];G=RGBColor[1];B=RGBColor[2];cMax=max(max(R,G),B);cMin=min(min(R,G),B);sum=cMax+cMin;diff=cMax-cMin;L=sum/2;if(cMax==cMin){S=0;H=0;}else{if(L<=(1/2))S=diff/sum;else S=diff/(2-sum);Rdelta=R/6/diff;Gdelta=G/6/diff;Bdelta=B/6/diff;if(R==cMax)H=Gdelta-Bdelta;else if(G==cMax)H=(1/3)+Bdelta-Rdelta;else H=(2/3)+Rdelta-Gdelta;if(H<0)H+=1;if(H>1)H-=1;}return[H,S,L];}}function getRGBColor(node,prop){var rgb=getComputedStyle(node,null).getPropertyValue(prop);var r,g,b;if(/rgb\((\d+),\s(\d+),\s(\d+)\)/.exec(rgb)){r=parseInt(RegExp.$1,10);g=parseInt(RegExp.$2,10);b=parseInt(RegExp.$3,10);return[r/255,g/255,b/255];}return rgb;}function hslToCSS(hsl){return \"hsl(\"+Math.round(hsl[0]*360)+\", \"+Math.round(hsl[1]*100)+\"%, \"+Math.round(hsl[2]*100)+\"%)\";}var props=[\"color\",\"background-color\",\"border-left-color\",\"border-right-color\",\"border-top-color\",\"border-bottom-color\"];var props2=[\"color\",\"backgroundColor\",\"borderLeftColor\",\"borderRightColor\",\"borderTopColor\",\"borderBottomColor\"];if(typeof getRGBColor(document.documentElement,\"background-color\")==\"string\")document.documentElement.style.backgroundColor=\"white\";revl(document.documentElement);function revl(n){var i,x,color,hsl;if(n.nodeType==Node.ELEMENT_NODE){for(i=0;x=n.childNodes[i];++i)revl(x);for(i=0;x=props[i];++i){color=getRGBColor(n,x);if(typeof(color)!=\"string\"){hsl=RGBtoHSL(color);hsl[2] = Math.pow(hsl[2], 6/5);n.style[props2[i]]=hslToCSS(hsl);}}}}})()")

;; This bookmarklet was sourced from 'https://github.com/frontdevops/darkthemeswitcher-inline' with permission under free license.
(define-bookmarklet-command invert-color
"Invert the color of the web page."
"(function(){function RGBtoHSL(RGBColor){with(Math){var R,G,B;var cMax,cMin;var sum,diff;var Rdelta,Gdelta,Bdelta;var H,L,S;R=RGBColor[0];G=RGBColor[1];B=RGBColor[2];cMax=max(max(R,G),B);cMin=min(min(R,G),B);sum=cMax+cMin;diff=cMax-cMin;L=sum/2;if(cMax==cMin){S=0;H=0;}else{if(L<=(1/2))S=diff/sum;else S=diff/(2-sum);Rdelta=R/6/diff;Gdelta=G/6/diff;Bdelta=B/6/diff;if(R==cMax)H=Gdelta-Bdelta;else if(G==cMax)H=(1/3)+Bdelta-Rdelta;else H=(2/3)+Rdelta-Gdelta;if(H<0)H+=1;if(H>1)H-=1;}return[H,S,L];}}function getRGBColor(node,prop){var rgb=getComputedStyle(node,null).getPropertyValue(prop);var r,g,b;if(/rgb\((\d+),\s(\d+),\s(\d+)\)/.exec(rgb)){r=parseInt(RegExp.$1,10);g=parseInt(RegExp.$2,10);b=parseInt(RegExp.$3,10);return[r/255,g/255,b/255];}return rgb;}function hslToCSS(hsl){return \"hsl(\"+Math.round(hsl[0]*360)+\", \"+Math.round(hsl[1]*100)+\"%, \"+Math.round(hsl[2]*100)+\"%)\";}var props=[\"color\",\"background-color\",\"border-left-color\",\"border-right-color\",\"border-top-color\",\"border-bottom-color\"];var props2=[\"color\",\"backgroundColor\",\"borderLeftColor\",\"borderRightColor\",\"borderTopColor\",\"borderBottomColor\"];if(typeof getRGBColor(document.documentElement,\"background-color\")==\"string\")document.documentElement.style.backgroundColor=\"white\";revl(document.documentElement);function revl(n){var i,x,color,hsl;if(n.nodeType==Node.ELEMENT_NODE){for(i=0;x=n.childNodes[i];++i)revl(x);for(i=0;x=props[i];++i){color=getRGBColor(n,x);if(typeof(color)!=\"string\"){hsl=RGBtoHSL(color);hsl[2]=1-hsl[2];n.style[props2[i]]=hslToCSS(hsl);}}}}})()")
"(d=>{var css=`:root{background-color:#fefefe;filter:invert(100%)}*{background-color:inherit}img:not([src*=\".svg\"]),video{filter: invert(100%)}`,style,id=\"dark-theme-snippet\",ee=d.getElementById(id);if(null!=ee)ee.parentNode.removeChild(ee);else {style = d.createElement('style');style.type=\"text/css\";style.id=id;if(style.styleSheet)style.styleSheet.cssText=css;else style.appendChild(d.createTextNode(css));(d.head||d.querySelector('head')).appendChild(style)}})(document)")