1 line
7.6 KiB
JavaScript
1 line
7.6 KiB
JavaScript
|
(function(){var t,e=[].slice;t=function(){function t(){var e,n;for(e=[],n=1;n<=4;n++)e.push(new t.mutablecolor(60));this.col=e,this._scheme="mono",this._distance=.5,this._web_safe=!1,this._add_complement=!1}var n,r,o,a,i,u;for(i=Array.isArray||function(t){return"[object Array]"==={}.toString.call(t)},t.SCHEMES={},a="mono monochromatic contrast triade tetrade analogic".split(/\s+/),r=0,o=a.length;r<o;r++)u=a[r],t.SCHEMES[u]=!0;return t.PRESETS={default:[-1,-1,1,-.7,.25,1,.5,1],pastel:[.5,-.9,.5,.5,.1,.9,.75,.75],soft:[.3,-.8,.3,.5,.1,.9,.5,.75],light:[.25,1,.5,.75,.1,1,.5,1],hard:[1,-1,1,-.6,.1,1,.6,1],pale:[.1,-.85,.1,.5,.1,1,.1,.75]},t.COLOR_WHEEL={0:[255,0,0,100],15:[255,51,0,100],30:[255,102,0,100],45:[255,128,0,100],60:[255,153,0,100],75:[255,178,0,100],90:[255,204,0,100],105:[255,229,0,100],120:[255,255,0,100],135:[204,255,0,100],150:[153,255,0,100],165:[51,255,0,100],180:[0,204,0,80],195:[0,178,102,70],210:[0,153,153,60],225:[0,102,178,70],240:[0,51,204,80],255:[25,25,178,70],270:[51,0,153,60],285:[64,0,153,60],300:[102,0,153,60],315:[153,0,153,60],330:[204,0,153,80],345:[229,0,102,90]},t.prototype.colors=function(){var t,e,n,r,o,a,i,u,s;if(s=1,e=this.col[0].get_hue(),t={mono:function(t){return function(){}}(),contrast:function(t){return function(){return s=2,t.col[1].set_hue(e),t.col[1].rotate(180)}}(this),triade:function(t){return function(){var n;return s=3,n=60*t._distance,t.col[1].set_hue(e),t.col[1].rotate(180-n),t.col[2].set_hue(e),t.col[2].rotate(180+n)}}(this),tetrade:function(t){return function(){var n;return s=4,n=90*t._distance,t.col[1].set_hue(e),t.col[1].rotate(180),t.col[2].set_hue(e),t.col[2].rotate(180+n),t.col[3].set_hue(e),t.col[3].rotate(n)}}(this),analogic:function(t){return function(){var n;return s=t._add_complement?4:3,n=60*t._distance,t.col[1].set_hue(e),t.col[1].rotate(n),t.col[2].set_hue(e),t.col[2].rotate(360-n),t.col[3].set_hue(e),t.col[3].rotate(180)}}(this)},t.monochromatic=t.mono,null==t[this._scheme])throw"Unknown color scheme name: "+this._scheme;for(t[this._scheme](),i=[],n=o=0,u=s-1;0<=u?o<=u:o>=u;n=0<=u?++o:--o)for(r=a=0;a<=3;r=++a)i[4*n+r]=this.col[n].get_hex(this._web_safe,r);return i},t.prototype.colorset=function(){var t,e;for(t=n(this.colors()),e=[];t.length>0;)e.push(t.splice(0,4));return e},t.prototype.from_hue=function(t){if(null==t)throw"from_hue needs an argument";return this.col[0].set_hue(t),this},t.prototype.rgb2ryb=function(){var t,n,r,o,a,u,s,h,l;return s=1<=arguments.length?e.call(arguments,0):[],null!=s[0]&&i(s[0])&&(s=s[0]),u=s[0],n=s[1],t=s[2],h=Math.min(u,n,t),u-=h,n-=h,t-=h,o=Math.max(u,n,t),l=Math.min(u,n),u-=l,n-=l,t>0&&n>0&&(t/=2,n/=2),l+=n,t+=n,a=Math.max(u,l,t),a>0&&(r=o/a,u*=r,l*=r,t*=r),u+=h,l+=h,t+=h,[Math.floor(u),Math.floor(l),Math.floor(t)]},t.prototype.rgb2hsv=function(){var t,n,r,o,a,u,s,h,l,c;return h=1<=arguments.length?e.call(arguments,0):[],null!=h[0]&&i(h[0])&&(h=h[0]),s=h[0],r=h[1],t=h[2],s/=255,r/=255,t/=255,u=Math.min.apply(Math,[s,r,t]),a=Math.max.apply(Math,[s,r,t]),n=a-u,c=a,n>0?(l=n/a,o=s===a?(r-t)/n:r===a?2+(t-s)/n:4+(s-r)/n,o*=60,o%=360,[o,l,c]):[0,0,c]},t.prototype.rgbToHsv=function(){var t,n,r,o,a,u,s,h,l,c;if(h=1<=arguments.length?e.call(arguments,0):[],null!=h[0]&&i(h[0])&&(h=h[0]),s=h[0],r=h[1],t=h[2],s/=255,r/=255,t/=255,a=Math.max(s,r,t),u=Math.min(s,r,t),o=void 0,l=void 0,c=a,n=a-u,l=0===a?0:n/a,a===u)o=0;else{switch(a){case s:o=(r-t)/n+(r<t?6:0);break;case r:o=(t-s)/n+2;break;case t:o=(s-r)/n+4}o/=6}return[o,l,c]},t.prototype.from_hex=function(t){var e,n,r,o,a,i,u,s,h,l,c;if(null==t)throw"from_hex needs an argument";if(!/^([0-9A-F]{2}){3}$/im.test(t))throw"from_hex("+t+") - argument must be in the form of RRGGBB";return h=/(..)(..)(..)/.exec(t).slice(1,4),u=function(){var t,e,n;for(n=[],e=0,t=h.length;e<t;e++)a=h[e],n.push(parseInt(a,16));return n}(),i=u[0],n=u[1],e=u[2],s=this.rgb2ryb([i,n,e]),i=s[0],n=s[1],e=s[2],o=this.rgbToHsv(i,n,e),o[0],0,1e3,null,null,r=null,l=null,c=null,r=o[0],l=o[1],c=o[2],this.from_hue(360*r),this._set_variant_preset([l,c,l,.7*c,.25*l,1,.5*l,1]),this},t.prototype.add_complement=function(t){if(n
|