culori - npm Package Compare versions

Comparing version 0.2.68 to 0.2.69

build/culori.js

@@ -377,2 +377,33 @@ (function (global, factory) {
 
+	var M = [-0.14861, 1.78277, -0.29227, -0.90649, 1.97294, 0];
+
+	var degToRad = Math.PI / 180;
+
+	var interpolateCubehelix = (function () {
+		var startcolor = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0.5;
+		var turns = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : -1.5;
+		var chroma = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
+		var gamma = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1;
+		return function (t) {
+
+			var res = {
+				mode: 'rgb'
+			};
+
+			var l = Math.pow(t, gamma);
+
+			var theta = 360 * (startcolor / 3 + turns * t) * degToRad;
+			var amp = chroma / 2 * t * (1 - t);
+
+			var cosh = Math.cos(theta);
+			var sinh = Math.sin(theta);
+
+			res.r = l + amp * (M[0] * cosh + M[1] * sinh);
+			res.g = l + amp * (M[2] * cosh + M[3] * sinh);
+			res.b = l + amp * (M[4] * cosh + M[5] * sinh);
+
+			return res;
+		};
+	});
+
 	var samples = (function () {
@@ -1239,28 +1270,27 @@ var count = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 2;
 
-	// function displayable(c) {
-	// 	let color = convertLchToRgb(c);
-	// 	return color.r >= 0 && color.r <= 1 &&
-	// 		color.g >= 0 && color.g <=1 &&
-	// 		color.b >= 0 && color.b <=1;
-	// }
+	/* 
+		Dave Green's Cubehelix
+		----------------------
 
+		Green, D. A., 2011, "A colour scheme for the display of astronomical intensity images", 
+		Bulletin of the Astronomical Society of India, 39, 289. (2011BASI...39..289G at ADS.) 
 
-	// function search(start, end, testFn) {
-	// 	let middle = (end - start)/2;
-	// 	if (testFn(middle)) {
-	// 		// middle is displayable
-	// 		return search(middle, end, testFn);
-	// 	} else {
-	// 		return search(start, middle, testFn);
-	// 	}
-	// }
+		https://www.mrao.cam.ac.uk/%7Edag/CUBEHELIX/
+		https://arxiv.org/pdf/1108.5083.pdf
+	*/
 
-	// function clamp(color) {
-	// 	if (!displayable(color)) {
-	// 		let _color = Object.assign({}, color);
-	// 		let chroma = search(start, _color.c, chroma => (_color.c = chroma, displayable(_color)));
-	// 	} else {
-	// 		return color;
-	// 	}
-	// }
+	var cubehelixDef = {
+		mode: 'cubehelix',
+		channels: ['l', // lightness
+		's', // start color
+		'r', // rotations
+		'c' // chroma (defined as 'hue' in Green's paper)
+		],
+		input: {
+			rgb: function rgb() {}
+		},
+		output: {
+			rgb: function rgb() {}
+		}
+	};
 
@@ -1275,2 +1305,3 @@ defineMode(rgbDef);
 	defineMode(lchDef);
+	defineMode(cubehelixDef);
 
@@ -1285,2 +1316,3 @@ var rgb$1 = converter('rgb');
 	var lch$1 = converter('lch');
+	var cubehelix = converter('cubehelix');
 
@@ -1298,2 +1330,3 @@ var culori = rgb$1;
 		lrgb: lrgb,
+		cubehelix: cubehelix,
 		formatter: formatter,
@@ -1309,2 +1342,3 @@ converter: converter,
 		interpolateMethodLinear: interpolateMethodLinear,
+		interpolateCubehelix: interpolateCubehelix,
 		samples: samples,
@@ -1311,0 +1345,0 @@ defineMode: defineMode,

build/culori.min.js

@@ -1,1 +0,1 @@
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0!==r.alpha&&(a.alpha=r.alpha),a}}},channels:["h","w","b","alpha"],parsers:[function(e){if("string"==typeof e){var r=e.match(L);if(r){var a={mode:"hwb",h:void 0===r[3]?Q(r[1],r[2]):+r[3],w:r[4]/100,b:r[5]/100};if(a.w+a.b>1){var t=a.w+a.b;a.w/=t,a.b/=t}return void 0!==r[6]?a.alpha=r[6]/100:void 0!==r[7]&&(a.alpha=r[7]/255),a}}}],interpolate:{h:f(),w:v(),b:v(),alpha:m()}},Z=Math.pow(29,3)/Math.pow(3,3),_=Math.pow(6,3)/Math.pow(29,3),ee=function(e){return Math.pow(e,3)>_?Math.pow(e,3):(116*e-16)/Z},re=function(e){var r,a,t,n,o,i=function(e){var r=e.x,a=e.y,t=e.z;return J({r:3.1338561*r-1.6168667*a-.4906146*t,g:-.9787684*r+1.9161415*a+.033454*t,b:.0719453*r-.2289914*a+1.4052427*t})}((a=(r=e).l,t=r.a,o=(n=(a+16)/116)-r.b/200,{x:.96422*ee(t/500+n),y:1*ee(n),z:.82521*ee(o)}));return i.mode="rgb",void 0!==e.alpha&&(i.alpha=e.alpha),i},ae=function(e){return e>_?Math.cbrt(e):(Z*e+16)/116},te=function(e){var r,a,t,n,o,i,l=(r=function(e){var r=F(e),a=r.r,t=r.g,n=r.b;return{x:.4360747*a+.3850649*t+.1430804*n,y:.2225045*a+.7168786*t+.0606169*n,z:.0139322*a+.0971045*t+.7141733*n}}(e),a=r.x,t=r.y,n=r.z,o=ae(a/.96422),{mode:"lab",l:116*(i=ae(t/1))-16,a:500*(o-i),b:200*(i-ae(n/.82521))});return e.r===e.b===e.g&&(l.a=l.b=0),void 0!==e.alpha&&(l.alpha=e.alpha),l},ne={mode:"lab",output:{rgb:re},input:{rgb:te},channels:["l","a","b","alpha"],parsers:[function(e){var r=void 0,a=void 0;if(r=e.match(A))a={mode:"lab",l:+r[1],a:+r[2],b:+r[3]};else{if(!(r=e.match(H)))return;a={mode:"lab",l:+r[1],a:0,b:0}}return void 0!==r[4]?a.alpha=r[4]/100:void 0!==r[5]&&(a.alpha=+r[5]),a}],interpolate:{l:v(),a:v(),b:v(),alpha:m()}},oe=function(e){var r=e.l,a=e.a,t=e.b,n=e.alpha,o=Math.sqrt(a*a+t*t),i={mode:"lch",l:r,c:o};return o&&(i.h=c(180*Math.atan2(t,a)/Math.PI)),void 0!==n&&(i.alpha=n),i},ie=function(e){var r=e.l,a=e.c,t=e.h,n=e.alpha,o={mode:"lab",l:r,a:0===a?0:a*Math.cos(t/180*Math.PI),b:0===a?0:a*Math.sin(t/180*Math.PI)};return void 0!==n&&(o.alpha=n),o},le={mode:"lch",output:{lab:ie,rgb:function(e){return re(ie(e))}},input:{rgb:function(e){return oe(te(e))},lch:oe},channels:["l","c","h","alpha"],parsers:[function(e){var r=e.match(D);if(r){var a={mode:"lch",l:+r[1],c:Math.max(0,+r[2]),h:void 0===r[5]?Q(r[3],r[4]):+r[5]};return void 0!==r[6]?a.alpha=r[6]/100:void 0!==r[7]&&(a.alpha=+r[7]),a}}],interpolate:{h:f(),c:v(),l:v(),alpha:m()}};t(N),t(K),t(T),t(W),t(X),t(Y),t(ne),t(le),t({mode:"cubehelix",channels:["l","s","r","c"],input:{rgb:function(){}},output:{rgb:function(){}}});var he=h("rgb"),ue=h("lrgb"),de=h("hsl"),se=h("hsv"),be=h("hsi"),ge=h("hwb"),ce=h("lab"),pe=h("lch"),ve=h("cubehelix"),fe=he,me=Object.freeze({hsl:de,hsv:se,hsi:be,hwb:ge,rgb:he,lab:ce,lch:pe,lrgb:ue,cubehelix:ve,formatter:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"rgb";return function(r){var a=d(r);return a.r=b(a.r),a.b=b(a.b),a.g=b(a.g),"hex"===e?"#"+(1<<24|a.r<<16|a.g<<8|a.b).toString(16).slice(1):"rgb"===e?void 0===r.alpha||1===r.alpha?"rgb("+a.r+", "+a.g+", "+a.b+")":"rgba("+a.r+", "+a.g+", "+a.b+", "+s(a.alpha)+")":void 0}},converter:h,round:u,parse:o,named:g,interpolate:function(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"rgb",a=arguments[2],t=function(e){for(var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"rgb",a=n(r).channels,t={mode:r},o=function(r){t[a[r]]=e.map(function(e){return e[a[r]]})},i=0;i<a.length;i++)o(i);return t}(e.map(h(r)),r);a=a||n(r).interpolate;var o=Object.keys(a);return function(e){e=Math.min(Math.max(0,e),1);for(var n={mode:r},i=void 0,l=0;l<o.length;l++)void 0!==(i=a[o[l]](t[o[l]],e))&&(n[o[l]]=i);return n}},interpolateNumber:v,interpolateAlpha:m,interpolateHue:f,interpolateMethodLinear:p,interpolateCubehelix:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:.5,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:-1.5,a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1,t=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1;return function(n){var o={mode:"rgb"},i=Math.pow(n,t),l=360*(e/3+r*n)*w,h=a/2*n*(1-n),u=Math.cos(l),d=Math.sin(l);return o.r=i+h*(y[0]*u+y[1]*d),o.g=i+h*(y[2]*u+y[3]*d),o.b=i+h*(y[4]*u+y[5]*d),o}},samples:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:2;if(e<2)return e<1?[]:[.5];for(var r=[],a=0;a<e;a++)r.push(a/(e-1));return r},defineMode:t,getModeDefinition:n,default:fe});return Object.assign(fe,me),fe});

build/index.js

@@ -371,2 +371,33 @@ var converters = {};
 
+var M = [-0.14861, 1.78277, -0.29227, -0.90649, 1.97294, 0];
+
+var degToRad = Math.PI / 180;
+
+var interpolateCubehelix = (function () {
+	var startcolor = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0.5;
+	var turns = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : -1.5;
+	var chroma = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
+	var gamma = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1;
+	return function (t) {
+
+		var res = {
+			mode: 'rgb'
+		};
+
+		var l = Math.pow(t, gamma);
+
+		var theta = 360 * (startcolor / 3 + turns * t) * degToRad;
+		var amp = chroma / 2 * t * (1 - t);
+
+		var cosh = Math.cos(theta);
+		var sinh = Math.sin(theta);
+
+		res.r = l + amp * (M[0] * cosh + M[1] * sinh);
+		res.g = l + amp * (M[2] * cosh + M[3] * sinh);
+		res.b = l + amp * (M[4] * cosh + M[5] * sinh);
+
+		return res;
+	};
+});
+
 var samples = (function () {
@@ -1233,28 +1264,27 @@ var count = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 2;
 
-// function displayable(c) {
-// 	let color = convertLchToRgb(c);
-// 	return color.r >= 0 && color.r <= 1 &&
-// 		color.g >= 0 && color.g <=1 &&
-// 		color.b >= 0 && color.b <=1;
-// }
+/* 
+	Dave Green's Cubehelix
+	----------------------
 
+	Green, D. A., 2011, "A colour scheme for the display of astronomical intensity images", 
+	Bulletin of the Astronomical Society of India, 39, 289. (2011BASI...39..289G at ADS.) 
 
-// function search(start, end, testFn) {
-// 	let middle = (end - start)/2;
-// 	if (testFn(middle)) {
-// 		// middle is displayable
-// 		return search(middle, end, testFn);
-// 	} else {
-// 		return search(start, middle, testFn);
-// 	}
-// }
+	https://www.mrao.cam.ac.uk/%7Edag/CUBEHELIX/
+	https://arxiv.org/pdf/1108.5083.pdf
+*/
 
-// function clamp(color) {
-// 	if (!displayable(color)) {
-// 		let _color = Object.assign({}, color);
-// 		let chroma = search(start, _color.c, chroma => (_color.c = chroma, displayable(_color)));
-// 	} else {
-// 		return color;
-// 	}
-// }
+var cubehelixDef = {
+	mode: 'cubehelix',
+	channels: ['l', // lightness
+	's', // start color
+	'r', // rotations
+	'c' // chroma (defined as 'hue' in Green's paper)
+	],
+	input: {
+		rgb: function rgb() {}
+	},
+	output: {
+		rgb: function rgb() {}
+	}
+};
 
@@ -1269,2 +1299,3 @@ defineMode(rgbDef);
 defineMode(lchDef);
+defineMode(cubehelixDef);
 
@@ -1279,2 +1310,3 @@ var rgb$1 = converter('rgb');
 var lch$1 = converter('lch');
+var cubehelix = converter('cubehelix');
 
@@ -1284,2 +1316,2 @@ var culori = rgb$1;
 export default culori;
-export { hsl, hsv, hsi, hwb$1 as hwb, rgb$1 as rgb, lab$1 as lab, lch$1 as lch, lrgb, formatter, converter, round, parse, named, interpolate, interpolateNumber, interpolateAlpha, interpolateHue, interpolateMethodLinear, samples, defineMode, getModeDefinition };
+export { hsl, hsv, hsi, hwb$1 as hwb, rgb$1 as rgb, lab$1 as lab, lch$1 as lch, lrgb, cubehelix, formatter, converter, round, parse, named, interpolate, interpolateNumber, interpolateAlpha, interpolateHue, interpolateMethodLinear, interpolateCubehelix, samples, defineMode, getModeDefinition };

package.json

 {
   "name": "culori",
-  "version": "0.2.68",
+  "version": "0.2.69",
   "main": "build/culori.js",
@@ -5,0 +5,0 @@ "module": "build/index.js",

src/index.js

@@ -11,2 +11,3 @@ import formatter from './formatter';
 } from './interpolate';
+import interpolateCubehelix from './interpolateCubehelix';
 import samples from './samples';
@@ -27,2 +28,3 @@ import zip from './zip';
 import lchDef from './lch/definition';
+import cubehelixDef from './cubehelix/definition';
 
@@ -37,2 +39,3 @@ defineMode(rgbDef);
 defineMode(lchDef);
+defineMode(cubehelixDef);
 
@@ -47,2 +50,3 @@ let rgb = converter('rgb');
 let lch = converter('lch');
+let cubehelix = converter('cubehelix');
 
@@ -60,2 +64,3 @@ const culori = rgb;
 	lrgb,
+	cubehelix,
 	formatter,
@@ -71,4 +76,4 @@ converter,
 	interpolateMethodLinear,
+	interpolateCubehelix,
 	samples,
-
 	defineMode,
@@ -75,0 +80,0 @@ getModeDefinition

src/lch/definition.js

@@ -26,30 +26,2 @@ import convertLabToLch from './convertLabToLch';
 	}
-};
-
-// function displayable(c) {
-// 	let color = convertLchToRgb(c);
-// 	return color.r >= 0 && color.r <= 1 &&
-// 		color.g >= 0 && color.g <=1 &&
-// 		color.b >= 0 && color.b <=1;
-// }
-
-
-
-// function search(start, end, testFn) {
-// 	let middle = (end - start)/2;
-// 	if (testFn(middle)) {
-// 		// middle is displayable
-// 		return search(middle, end, testFn);
-// 	} else {
-// 		return search(start, middle, testFn);
-// 	}
-// }
-
-// function clamp(color) {
-// 	if (!displayable(color)) {
-// 		let _color = Object.assign({}, color);
-// 		let chroma = search(start, _color.c, chroma => (_color.c = chroma, displayable(_color)));
-// 	} else {
-// 		return color;
-// 	}
-// }
+};

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Number of package files

70

increased by2.94%

Lines of code

3706

increased by2.09%

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