scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
94 lines (93 loc) • 3.69 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.stripAutoColor = exports.ThemeProvider = exports.AUTO_COLOR = void 0;
var parseColor_1 = require("../../utils/parseColor");
var PaletteFactory_1 = require("../Model/PaletteFactory");
exports.AUTO_COLOR = "auto";
var ThemeProvider = /** @class */ (function () {
function ThemeProvider() {
this.strokePalette = [];
this.fillPalette = [];
}
ThemeProvider.prototype.getStrokeColor = function (index, max, wasmContext) {
return this.getPaletteColor(index, max, wasmContext, true);
};
ThemeProvider.prototype.getFillColor = function (index, max, wasmContext) {
return this.getPaletteColor(index, max, wasmContext, false);
};
ThemeProvider.prototype.applyOverrides = function (overrides) {
this.overrides = overrides;
Object.assign(this, overrides);
};
ThemeProvider.prototype.toJSON = function () {
return __assign({ type: this.type }, this.overrides);
};
ThemeProvider.prototype.getPaletteColor = function (index, max, wasmContext, isStroke) {
var palette = isStroke ? this.strokePalette : this.fillPalette;
if (!palette || palette.length === 0) {
throw new Error("".concat(isStroke ? "stroke" : "fill", "Palette must not be empty to use get").concat(isStroke ? "Stroke" : "Fill", "Color"));
}
if (palette.length < 2) {
return this.toColor(palette[0]);
}
if (index > max) {
throw new Error("index must be less than or equal to max");
}
if (max <= palette.length) {
return this.toColor(palette[index]);
}
var gradient = isStroke ? this.strokeGradient : this.fillGradient;
if (!gradient) {
var gradientStops = typeof palette[0] === "string"
? palette.map(function (color, i) {
return ({
color: color,
offset: i / palette.length - 1
});
})
: palette;
gradient = PaletteFactory_1.PaletteFactory.createColorMap(wasmContext, gradientStops);
if (isStroke) {
this.strokeGradient = gradient;
}
else {
this.fillGradient = gradient;
}
}
var lerpFactor = index / max;
var mapIndex = wasmContext.NumberUtil.Constrain(Math.round(lerpFactor * (gradient.length - 1)), 0, gradient.length - 1);
var result = gradient[mapIndex];
return (0, parseColor_1.parseArgbToHtmlColor)(result);
};
ThemeProvider.prototype.toColor = function (val) {
if (typeof val === "string") {
return val;
}
else {
return val.color;
}
};
return ThemeProvider;
}());
exports.ThemeProvider = ThemeProvider;
var stripAutoColor = function (val) {
if (val === exports.AUTO_COLOR) {
return "#00000000";
}
if (val && val.startsWith(exports.AUTO_COLOR)) {
return val.substring(exports.AUTO_COLOR.length);
}
return val;
};
exports.stripAutoColor = stripAutoColor;