scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
349 lines (348 loc) • 12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.webColors = exports.parseTArgbToHtmlColor = exports.parseArgbToHtmlColor = exports.parseColorToTArgb = exports.toHex = exports.parseColorToUIntAbgr = exports.parseColorToUIntArgb = exports.parseColorToHexStringAbgr = exports.parseColorToHexStringArgb = void 0;
/**
* Parse colors and convert them to hex string to use in c++
* Examples: "#fff", "#ff0000", "rgba(255,255,0,1)", "#11333333"
* @param input
*/
function parseColorToHexStringArgb(input, opacityOverride) {
var res = parseColorToTArgb(input);
return "0x" + toHex(opacityOverride !== null && opacityOverride !== void 0 ? opacityOverride : res.opacity) + toHex(res.red) + toHex(res.green) + toHex(res.blue);
}
exports.parseColorToHexStringArgb = parseColorToHexStringArgb;
/**
* Parse colors and convert them to hex string in ABGR format to use in c++
* Examples: "#fff", "#ff0000", "rgba(255,255,0,1)", "#11333333"
* @param input
*/
function parseColorToHexStringAbgr(input, opacityOverride) {
var res = parseColorToTArgb(input);
return ("0x" +
toHex(opacityOverride ? opacityOverride : res.opacity) +
toHex(res.blue) +
toHex(res.green) +
toHex(res.red));
}
exports.parseColorToHexStringAbgr = parseColorToHexStringAbgr;
function parseColorToUIntArgb(input, opacity) {
return parseInt(parseColorToHexStringArgb(input, opacity), 16);
}
exports.parseColorToUIntArgb = parseColorToUIntArgb;
function parseColorToUIntAbgr(input, opacity) {
return parseInt(parseColorToHexStringAbgr(input, opacity), 16);
}
exports.parseColorToUIntAbgr = parseColorToUIntAbgr;
/**
* Converts a UINT color number to a 8-digit hex code e.g. #FFAABBCC
* @param value
*/
function toHex(value) {
var hex = value.toString(16);
return hex.length === 1 ? "0" + hex : hex;
}
exports.toHex = toHex;
/**
* Converts an HTML color code to TArgb
* @param input
*/
function parseColorToTArgb(input) {
if (!input || !input.length || input.length > 50) {
throw Error("'" + input + "' is not a valid color...");
}
// Obviously, the numeric values will be easier to parse than names.So we do those first.
// For three-digit format:
var matchFor3digitColor = input.match(/^#?([0-9a-f]{3})$/i);
if (matchFor3digitColor) {
var m = matchFor3digitColor[1];
// in three-character format, each value is multiplied by 0x11 to give an even scale from 0x00 to 0xff
var opacity = 0xff;
var red = parseInt(m.charAt(0), 16) * 0x11;
var green = parseInt(m.charAt(1), 16) * 0x11;
var blue = parseInt(m.charAt(2), 16) * 0x11;
validateColorValues([red, green, blue], ["red", "green", "blue"]);
return { opacity: opacity, red: red, green: green, blue: blue };
}
// That's one for the full six-digit format:
var matchFor6digitColor = input.match(/^#?([0-9a-f]{6})$/i);
if (matchFor6digitColor) {
var m = matchFor6digitColor[1];
var opacity = 0xff;
var red = parseInt(m.substr(0, 2), 16);
var green = parseInt(m.substr(2, 2), 16);
var blue = parseInt(m.substr(4, 2), 16);
validateColorValues([red, green, blue], ["red", "green", "blue"]);
return { opacity: opacity, red: red, green: green, blue: blue };
}
// That's for eight-digit format, where last two digits stand for opacity:
var matchFor8digitColor = input.match(/^#?([0-9a-f]{8})$/i);
if (matchFor8digitColor) {
var m = matchFor8digitColor[1];
var red = parseInt(m.substr(0, 2), 16);
var green = parseInt(m.substr(2, 2), 16);
var blue = parseInt(m.substr(4, 2), 16);
var opacity = parseInt(m.substr(6, 2), 16);
validateColorValues([opacity, red, green, blue], ["opacity", "red", "green", "blue"]);
return { opacity: opacity, red: red, green: green, blue: blue };
}
// And now for rgba() format:
var matchForRgbaColor = input.match(/^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d*\.?\d*)\s*\)$/i);
if (matchForRgbaColor) {
var opacity01 = parseFloat(matchForRgbaColor[4]);
validateOpacity(opacity01);
var opacity = convertOpacity(opacity01);
var red = parseInt(matchForRgbaColor[1], 10);
var green = parseInt(matchForRgbaColor[2], 10);
var blue = parseInt(matchForRgbaColor[3], 10);
validateColorValues([red, green, blue], ["red", "green", "blue"]);
return { opacity: opacity, red: red, green: green, blue: blue };
}
var wc = exports.webColors[input.toLowerCase()];
if (wc)
return parseColorToTArgb(wc);
throw Error("'" + input + "' is not a valid color...");
}
exports.parseColorToTArgb = parseColorToTArgb;
/**
* Converts color from ARGB number format into HTML string format #FFFFFFFF
* @param argbColor color in ARGB format
*/
var parseArgbToHtmlColor = function (argbColor) {
var res = argbColor.toString(16);
var length = res.length;
if (length > 8) {
throw new Error("HTML color length cannot be greater than 8");
}
var addLeadingZeros = function (str, len) {
var numLeadingZeros = len - str.length;
var zerosStr = new Array(numLeadingZeros + 1).join("0");
return zerosStr + str;
};
var rgb = addLeadingZeros(res.substr(-6), 6);
var a = addLeadingZeros(res.substring(0, res.length - 6), 2);
return "#" + rgb + a;
};
exports.parseArgbToHtmlColor = parseArgbToHtmlColor;
/**
* Useful for debugging purposes. Converts {@link TArgb} to HTML Color code e.g. '#FF112233'=RGBA
* @param targb
*/
var parseTArgbToHtmlColor = function (targb) {
var r = convertComponent(targb.red);
var g = convertComponent(targb.green);
var b = convertComponent(targb.blue);
var a = convertComponent(targb.opacity);
return ("#" + r + g + b + a).toUpperCase();
};
exports.parseTArgbToHtmlColor = parseTArgbToHtmlColor;
/** @ignore */
function validateColorValues(values, variableNames) {
values.forEach(function (value, index) {
var variableName = variableNames[index];
if (value === undefined) {
throw Error("parseColor error ".concat(variableName, " color should not be null"));
}
else if (Number.isNaN(value)) {
throw Error("parseColor error ".concat(variableName, " color should not be NaN"));
}
else if (value < 0 || value > 255) {
throw Error("parseColor error ".concat(variableName, " color should be within [0, 255] range"));
}
});
}
/** @ignore */
function validateOpacity(value) {
if (value === undefined) {
throw Error("parseColor error opacity should not be null");
}
else if (Number.isNaN(value)) {
throw Error("parseColor error opacity should not be NaN");
}
else if (value < 0 || value > 1) {
throw Error("parseColor error opacity should be within [0, 1] range");
}
}
/**
* @ignore
* Converts number from 0 to 1 to hex string. For example 1 -> "ff", 0.5 => "80"
* @param opacity
*/
var convertOpacity = function (opacity) {
if (opacity >= 1) {
return 0xff;
}
if (opacity <= 0) {
return 0;
}
return Math.floor(opacity * 256);
};
/**
* @ignore
* Converts number (color component) from 0 to 256 to hex string, with 0 padding
* @param component
*/
var convertComponent = function (component) {
if (component >= 256) {
return "ff";
}
if (component <= 0) {
return "00";
}
var hex = component.toString(16);
return hex.length === 1 ? "0" + hex : hex;
};
// https://www.w3schools.com/colors/colors_names.asp
// https://en.wikipedia.org/wiki/Web_colors
// http://www.colors.commutercreative.com/grid/
/** @ignore */
exports.webColors = {
transparent: "#00000000",
aliceblue: "#f0f8ff",
antiquewhite: "#faebd7",
aqua: "#00ffff",
aquamarine: "#7fffd4",
azure: "#f0ffff",
beige: "#f5f5dc",
bisque: "#ffe4c4",
black: "#000000",
blanchedalmond: "#ffebcd",
blue: "#0000ff",
blueviolet: "#8a2be2",
brown: "#a52a2a",
burlywood: "#deb887",
cadetblue: "#5f9ea0",
chartreuse: "#7fff00",
chocolate: "#d2691e",
coral: "#ff7f50",
cornflowerblue: "#6495ed",
cornsilk: "#fff8dc",
crimson: "#dc143c",
cyan: "#00ffff",
darkblue: "#00008b",
darkcyan: "#008b8b",
darkgoldenrod: "#b8860b",
darkgray: "#a9a9a9",
darkgrey: "#a9a9a9",
darkgreen: "#006400",
darkkhaki: "#bdb76b",
darkmagenta: "#8b008b",
darkolivegreen: "#556b2f",
darkorange: "#ff8c00",
darkorchid: "#9932cc",
darkred: "#8b0000",
darksalmon: "#e9967a",
darkseagreen: "#8fbc8f",
darkslateblue: "#483d8b",
darkslategray: "#2f4f4f",
darkslategrey: "#2f4f4f",
darkturquoise: "#00ced1",
darkviolet: "#9400d3",
deeppink: "#ff1493",
deepskyblue: "#00bfff",
dimgray: "#696969",
dimgrey: "#696969",
dodgerblue: "#1e90ff",
firebrick: "#b22222",
floralwhite: "#fffaf0",
forestgreen: "#228b22",
fuchsia: "#ff00ff",
gainsboro: "#dcdcdc",
ghostwhite: "#f8f8ff",
gold: "#ffd700",
goldenrod: "#daa520",
gray: "#808080",
grey: "#808080",
green: "#008000",
greenyellow: "#adff2f",
honeydew: "#f0fff0",
hotpink: "#ff69b4",
indianred: "#cd5c5c",
indigo: "#4b0082",
ivory: "#fffff0",
khaki: "#f0e68c",
lavender: "#e6e6fa",
lavenderblush: "#fff0f5",
lawngreen: "#7cfc00",
lemonchiffon: "#fffacd",
lightblue: "#add8e6",
lightcoral: "#f08080",
lightcyan: "#e0ffff",
lightgoldenrodyellow: "#fafad2",
lightgray: "#d3d3d3",
lightgrey: "#d3d3d3",
lightgreen: "#90ee90",
lightpink: "#ffb6c1",
lightsalmon: "#ffa07a",
lightseagreen: "#20b2aa",
lightskyblue: "#87cefa",
lightslategray: "#778899",
lightslategrey: "#778899",
lightsteelblue: "#b0c4de",
lightyellow: "#ffffe0",
lime: "#00ff00",
limegreen: "#32cd32",
linen: "#faf0e6",
magenta: "#ff00ff",
maroon: "#800000",
mediumaquamarine: "#66cdaa",
mediumblue: "#0000cd",
mediumorchid: "#ba55d3",
mediumpurple: "#9370db",
mediumseagreen: "#3cb371",
mediumslateblue: "#7b68ee",
mediumspringgreen: "#00fa9a",
mediumturquoise: "#48d1cc",
mediumvioletred: "#c71585",
midnightblue: "#191970",
mintcream: "#f5fffa",
mistyrose: "#ffe4e1",
moccasin: "#ffe4b5",
navajowhite: "#ffdead",
navy: "#000080",
oldlace: "#fdf5e6",
olive: "#808000",
olivedrab: "#6b8e23",
orange: "#ffa500",
orangered: "#ff4500",
orchid: "#da70d6",
palegoldenrod: "#eee8aa",
palegreen: "#98fb98",
paleturquoise: "#afeeee",
palevioletred: "#db7093",
papayawhip: "#ffefd5",
peachpuff: "#ffdab9",
peru: "#cd853f",
pink: "#ffc0cb",
plum: "#dda0dd",
powderblue: "#b0e0e6",
purple: "#800080",
rebeccapurple: "#663399",
red: "#ff0000",
rosybrown: "#bc8f8f",
royalblue: "#4169e1",
saddlebrown: "#8b4513",
salmon: "#fa8072",
sandybrown: "#f4a460",
seagreen: "#2e8b57",
seashell: "#fff5ee",
sienna: "#a0522d",
silver: "#c0c0c0",
skyblue: "#87ceeb",
slateblue: "#6a5acd",
slategray: "#708090",
slategrey: "#708090",
snow: "#fffafa",
springgreen: "#00ff7f",
steelblue: "#4682b4",
tan: "#d2b48c",
teal: "#008080",
thistle: "#d8bfd8",
tomato: "#ff6347",
turquoise: "#40e0d0",
violet: "#ee82ee",
wheat: "#f5deb3",
white: "#ffffff",
whitesmoke: "#f5f5f5",
yellow: "#ffff00",
yellowgreen: "#9acd32"
};