From 91d04c64771832a0b8815ffbe1f0f9920320d94d Mon Sep 17 00:00:00 2001 From: Pamela Dragosh Date: Tue, 14 Feb 2017 19:41:00 -0500 Subject: Initial OpenECOMP policy/engine commit Change-Id: I7dbff37733b661643dd4d1caefa3d7dccc361b6e Signed-off-by: Pamela Dragosh --- .../main/webapp/app/fusion/external/d3/js/cie.js | 155 +++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/cie.js (limited to 'ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/cie.js') diff --git a/ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/cie.js b/ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/cie.js new file mode 100644 index 000000000..45f013296 --- /dev/null +++ b/ecomp-sdk-app/src/main/webapp/app/fusion/external/d3/js/cie.js @@ -0,0 +1,155 @@ +(function(d3) { + var cie = d3.cie = {}; + + cie.lab = function(l, a, b) { + return arguments.length === 1 + ? (l instanceof Lab ? lab(l.l, l.a, l.b) + : (l instanceof Lch ? lch_lab(l.l, l.c, l.h) + : rgb_lab((l = d3.rgb(l)).r, l.g, l.b))) + : lab(+l, +a, +b); + }; + + cie.lch = function(l, c, h) { + return arguments.length === 1 + ? (l instanceof Lch ? lch(l.l, l.c, l.h) + : (l instanceof Lab ? lab_lch(l.l, l.a, l.b) + : lab_lch((l = rgb_lab((l = d3.rgb(l)).r, l.g, l.b)).l, l.a, l.b))) + : lch(+l, +c, +h); + }; + + cie.interpolateLab = function(a, b) { + a = cie.lab(a); + b = cie.lab(b); + var al = a.l, + aa = a.a, + ab = a.b, + bl = b.l - al, + ba = b.a - aa, + bb = b.b - ab; + return function(t) { + return lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + ""; + }; + }; + + cie.interpolateLch = function(a, b) { + a = cie.lch(a); + b = cie.lch(b); + var al = a.l, + ac = a.c, + ah = a.h, + bl = b.l - al, + bc = b.c - ac, + bh = b.h - ah; + if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; // shortest path + return function(t) { + return lch_lab(al + bl * t, ac + bc * t, ah + bh * t) + ""; + }; + }; + + function lab(l, a, b) { + return new Lab(l, a, b); + } + + function Lab(l, a, b) { + this.l = l; + this.a = a; + this.b = b; + } + + Lab.prototype.brighter = function(k) { + return lab(Math.min(100, this.l + K * (arguments.length ? k : 1)), this.a, this.b); + }; + + Lab.prototype.darker = function(k) { + return lab(Math.max(0, this.l - K * (arguments.length ? k : 1)), this.a, this.b); + }; + + Lab.prototype.rgb = function() { + return lab_rgb(this.l, this.a, this.b); + }; + + Lab.prototype.toString = function() { + return this.rgb() + ""; + }; + + function lch(l, c, h) { + return new Lch(l, c, h); + } + + function Lch(l, c, h) { + this.l = l; + this.c = c; + this.h = h; + } + + Lch.prototype.brighter = function(k) { + return lch(Math.min(100, this.l + K * (arguments.length ? k : 1)), this.c, this.h); + }; + + Lch.prototype.darker = function(k) { + return lch(Math.max(0, this.l - K * (arguments.length ? k : 1)), this.c, this.h); + }; + + Lch.prototype.rgb = function() { + return lch_lab(this.l, this.c, this.h).rgb(); + }; + + Lch.prototype.toString = function() { + return this.rgb() + ""; + }; + + // Corresponds roughly to RGB brighter/darker + var K = 18; + + // D65 standard referent + var X = 0.950470, Y = 1, Z = 1.088830; + + function lab_rgb(l, a, b) { + var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200; + x = lab_xyz(x) * X; + y = lab_xyz(y) * Y; + z = lab_xyz(z) * Z; + return d3.rgb( + xyz_rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), + xyz_rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), + xyz_rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z) + ); + } + + function rgb_lab(r, g, b) { + r = rgb_xyz(r); + g = rgb_xyz(g); + b = rgb_xyz(b); + var x = xyz_lab((0.4124564 * r + 0.3575761 * g + 0.1804375 * b) / X), + y = xyz_lab((0.2126729 * r + 0.7151522 * g + 0.0721750 * b) / Y), + z = xyz_lab((0.0193339 * r + 0.1191920 * g + 0.9503041 * b) / Z); + return lab(116 * y - 16, 500 * (x - y), 200 * (y - z)); + } + + function lab_lch(l, a, b) { + var c = Math.sqrt(a * a + b * b), + h = Math.atan2(b, a) / Math.PI * 180; + return lch(l, c, h); + } + + function lch_lab(l, c, h) { + h = h * Math.PI / 180; + return lab(l, Math.cos(h) * c, Math.sin(h) * c); + } + + function lab_xyz(x) { + return x > 0.206893034 ? x * x * x : (x - 4 / 29) / 7.787037; + } + + function xyz_lab(x) { + return x > 0.008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29; + } + + function xyz_rgb(r) { + return Math.round(255 * (r <= 0.00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - 0.055)); + } + + function rgb_xyz(r) { + return (r /= 255) <= 0.04045 ? r / 12.92 : Math.pow((r + 0.055) / 1.055, 2.4); + } +})(d3); -- cgit 1.2.3-korg