- Author:
- David Nickerson <david.nickerson@gmail.com>
- Date:
- 2021-09-17 15:50:49+12:00
- Desc:
- tweak html formatting
- Permanent Source URI:
- https://staging.physiomeproject.org/workspace/a1/rawfile/1b3862589abf79ae9119ee0b5e99a8b785d762e1/dojo-presentation/js/dojo/dojo/colors.js
dojo.provide("dojo.colors");
//TODO: this module appears to break naming conventions
/*=====
dojo.colors = {
// summary: Color utilities
}
=====*/
(function(){
// this is a standard conversion prescribed by the CSS3 Color Module
var hue2rgb = function(m1, m2, h){
if(h < 0){ ++h; }
if(h > 1){ --h; }
var h6 = 6 * h;
if(h6 < 1){ return m1 + (m2 - m1) * h6; }
if(2 * h < 1){ return m2; }
if(3 * h < 2){ return m1 + (m2 - m1) * (2 / 3 - h) * 6; }
return m1;
};
dojo.colorFromRgb = function(/*String*/ color, /*dojo.Color?*/ obj){
// summary:
// get rgb(a) array from css-style color declarations
// description:
// this function can handle all 4 CSS3 Color Module formats: rgb,
// rgba, hsl, hsla, including rgb(a) with percentage values.
var m = color.toLowerCase().match(/^(rgba?|hsla?)\(([\s\.\-,%0-9]+)\)/);
if(m){
var c = m[2].split(/\s*,\s*/), l = c.length, t = m[1];
if((t == "rgb" && l == 3) || (t == "rgba" && l == 4)){
var r = c[0];
if(r.charAt(r.length - 1) == "%"){
// 3 rgb percentage values
var a = dojo.map(c, function(x){
return parseFloat(x) * 2.56;
});
if(l == 4){ a[3] = c[3]; }
return dojo.colorFromArray(a, obj); // dojo.Color
}
return dojo.colorFromArray(c, obj); // dojo.Color
}
if((t == "hsl" && l == 3) || (t == "hsla" && l == 4)){
// normalize hsl values
var H = ((parseFloat(c[0]) % 360) + 360) % 360 / 360,
S = parseFloat(c[1]) / 100,
L = parseFloat(c[2]) / 100,
// calculate rgb according to the algorithm
// recommended by the CSS3 Color Module
m2 = L <= 0.5 ? L * (S + 1) : L + S - L * S,
m1 = 2 * L - m2,
a = [hue2rgb(m1, m2, H + 1 / 3) * 256,
hue2rgb(m1, m2, H) * 256, hue2rgb(m1, m2, H - 1 / 3) * 256, 1];
if(l == 4){ a[3] = c[3]; }
return dojo.colorFromArray(a, obj); // dojo.Color
}
}
return null; // dojo.Color
};
var confine = function(c, low, high){
// summary:
// sanitize a color component by making sure it is a number,
// and clamping it to valid values
c = Number(c);
return isNaN(c) ? high : c < low ? low : c > high ? high : c; // Number
};
dojo.Color.prototype.sanitize = function(){
// summary: makes sure that the object has correct attributes
var t = this;
t.r = Math.round(confine(t.r, 0, 255));
t.g = Math.round(confine(t.g, 0, 255));
t.b = Math.round(confine(t.b, 0, 255));
t.a = confine(t.a, 0, 1);
return this; // dojo.Color
};
})();
dojo.colors.makeGrey = function(/*Number*/ g, /*Number?*/ a){
// summary: creates a greyscale color with an optional alpha
return dojo.colorFromArray([g, g, g, a]);
};
// mixin all CSS3 named colors not already in _base, along with SVG 1.0 variant spellings
dojo.Color.named = dojo.mixin({
aliceblue: [240,248,255],
antiquewhite: [250,235,215],
aquamarine: [127,255,212],
azure: [240,255,255],
beige: [245,245,220],
bisque: [255,228,196],
blanchedalmond: [255,235,205],
blueviolet: [138,43,226],
brown: [165,42,42],
burlywood: [222,184,135],
cadetblue: [95,158,160],
chartreuse: [127,255,0],
chocolate: [210,105,30],
coral: [255,127,80],
cornflowerblue: [100,149,237],
cornsilk: [255,248,220],
crimson: [220,20,60],
cyan: [0,255,255],
darkblue: [0,0,139],
darkcyan: [0,139,139],
darkgoldenrod: [184,134,11],
darkgray: [169,169,169],
darkgreen: [0,100,0],
darkgrey: [169,169,169],
darkkhaki: [189,183,107],
darkmagenta: [139,0,139],
darkolivegreen: [85,107,47],
darkorange: [255,140,0],
darkorchid: [153,50,204],
darkred: [139,0,0],
darksalmon: [233,150,122],
darkseagreen: [143,188,143],
darkslateblue: [72,61,139],
darkslategray: [47,79,79],
darkslategrey: [47,79,79],
darkturquoise: [0,206,209],
darkviolet: [148,0,211],
deeppink: [255,20,147],
deepskyblue: [0,191,255],
dimgray: [105,105,105],
dimgrey: [105,105,105],
dodgerblue: [30,144,255],
firebrick: [178,34,34],
floralwhite: [255,250,240],
forestgreen: [34,139,34],
gainsboro: [220,220,220],
ghostwhite: [248,248,255],
gold: [255,215,0],
goldenrod: [218,165,32],
greenyellow: [173,255,47],
grey: [128,128,128],
honeydew: [240,255,240],
hotpink: [255,105,180],
indianred: [205,92,92],
indigo: [75,0,130],
ivory: [255,255,240],
khaki: [240,230,140],
lavender: [230,230,250],
lavenderblush: [255,240,245],
lawngreen: [124,252,0],
lemonchiffon: [255,250,205],
lightblue: [173,216,230],
lightcoral: [240,128,128],
lightcyan: [224,255,255],
lightgoldenrodyellow: [250,250,210],
lightgray: [211,211,211],
lightgreen: [144,238,144],
lightgrey: [211,211,211],
lightpink: [255,182,193],
lightsalmon: [255,160,122],
lightseagreen: [32,178,170],
lightskyblue: [135,206,250],
lightslategray: [119,136,153],
lightslategrey: [119,136,153],
lightsteelblue: [176,196,222],
lightyellow: [255,255,224],
limegreen: [50,205,50],
linen: [250,240,230],
magenta: [255,0,255],
mediumaquamarine: [102,205,170],
mediumblue: [0,0,205],
mediumorchid: [186,85,211],
mediumpurple: [147,112,219],
mediumseagreen: [60,179,113],
mediumslateblue: [123,104,238],
mediumspringgreen: [0,250,154],
mediumturquoise: [72,209,204],
mediumvioletred: [199,21,133],
midnightblue: [25,25,112],
mintcream: [245,255,250],
mistyrose: [255,228,225],
moccasin: [255,228,181],
navajowhite: [255,222,173],
oldlace: [253,245,230],
olivedrab: [107,142,35],
orange: [255,165,0],
orangered: [255,69,0],
orchid: [218,112,214],
palegoldenrod: [238,232,170],
palegreen: [152,251,152],
paleturquoise: [175,238,238],
palevioletred: [219,112,147],
papayawhip: [255,239,213],
peachpuff: [255,218,185],
peru: [205,133,63],
pink: [255,192,203],
plum: [221,160,221],
powderblue: [176,224,230],
rosybrown: [188,143,143],
royalblue: [65,105,225],
saddlebrown: [139,69,19],
salmon: [250,128,114],
sandybrown: [244,164,96],
seagreen: [46,139,87],
seashell: [255,245,238],
sienna: [160,82,45],
skyblue: [135,206,235],
slateblue: [106,90,205],
slategray: [112,128,144],
slategrey: [112,128,144],
snow: [255,250,250],
springgreen: [0,255,127],
steelblue: [70,130,180],
tan: [210,180,140],
thistle: [216,191,216],
tomato: [255,99,71],
transparent: [0, 0, 0, 0],
turquoise: [64,224,208],
violet: [238,130,238],
wheat: [245,222,179],
whitesmoke: [245,245,245],
yellowgreen: [154,205,50]
}, dojo.Color.named);
