2 lines
1.5 KiB
JavaScript
Executable file
2 lines
1.5 KiB
JavaScript
Executable file
var r=function(r){return"string"==typeof r?r.length>0:"number"==typeof r},n=function(r,n,t){return void 0===n&&(n=0),void 0===t&&(t=Math.pow(10,n)),Math.round(t*r)/t+0},t=function(r,n,t){return void 0===n&&(n=0),void 0===t&&(t=1),r>t?t:r>n?r:n},u=function(r){var n=r/255;return n<.04045?n/12.92:Math.pow((n+.055)/1.055,2.4)},o=function(r){return 255*(r>.0031308?1.055*Math.pow(r,1/2.4)-.055:12.92*r)},a=96.422,e=100,y=82.521,x=function(r){return{x:t(r.x,0,a),y:t(r.y,0,e),z:t(r.z,0,y),a:t(r.a)}},z=function(n){var t=n.x,u=n.y,o=n.z,a=n.a,e=void 0===a?1:a;if(!r(t)||!r(u)||!r(o))return null;var y=x({x:Number(t),y:Number(u),z:Number(o),a:Number(e)});return i(y)},i=function(r){var n,u,a={x:.9555766*(n=r).x+-.0230393*n.y+.0631636*n.z,y:-.0282895*n.x+1.0099416*n.y+.0210077*n.z,z:.0122982*n.x+-.020483*n.y+1.3299098*n.z};return u={r:o(.032404542*a.x-.015371385*a.y-.004985314*a.z),g:o(-.00969266*a.x+.018760108*a.y+41556e-8*a.z),b:o(556434e-9*a.x-.002040259*a.y+.010572252*a.z),a:r.a},{r:t(u.r,0,255),g:t(u.g,0,255),b:t(u.b,0,255),a:t(u.a)}};module.exports=function(r,t){r.prototype.toXyz=function(){return function(r){return{x:n(r.x,2),y:n(r.y,2),z:n(r.z,2),a:n(r.a,3)}}((t=u((r=this.rgba).r),o=u(r.g),a=u(r.b),x({x:1.0478112*(e={x:100*(.4124564*t+.3575761*o+.1804375*a),y:100*(.2126729*t+.7151522*o+.072175*a),z:100*(.0193339*t+.119192*o+.9503041*a),a:r.a}).x+.0228866*e.y+-.050127*e.z,y:.0295424*e.x+.9904844*e.y+-.0170491*e.z,z:-.0092345*e.x+.0150436*e.y+.7521316*e.z,a:e.a})));var r,t,o,a,e},t.object.push([z,"xyz"])};
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