@visactor/vchart
Version:
charts lib based @visactor/VGrammar
36 lines (31 loc) • 2.23 kB
JavaScript
import { POLAR_END_ANGLE, POLAR_START_ANGLE } from "../../../../constant/polar";
import { calculateMaxRadius, isFunction, isNumber, isValid } from "@visactor/vutils";
import { ComponentTypeEnum } from "../../../interface";
export const getPolarAxisInfo = (spec, chartSpec) => {
var _a, _b, _c, _d, _e, _f;
const axisType = null !== (_a = spec.type) && void 0 !== _a ? _a : "angle" === spec.orient ? "band" : "linear", componentName = `${ComponentTypeEnum.polarAxis}-${axisType}`, startAngleFromSpec = null !== (_b = spec.startAngle) && void 0 !== _b ? _b : chartSpec.startAngle, endAngleFromSpec = null !== (_c = spec.endAngle) && void 0 !== _c ? _c : chartSpec.endAngle;
return {
axisType: axisType,
componentName: componentName,
startAngle: null != startAngleFromSpec ? startAngleFromSpec : POLAR_START_ANGLE,
endAngle: null != endAngleFromSpec ? endAngleFromSpec : isValid(startAngleFromSpec) ? startAngleFromSpec + 360 : POLAR_END_ANGLE,
center: isValid(chartSpec.center) ? chartSpec.center : isValid(null == chartSpec ? void 0 : chartSpec.centerX) || isValid(null == chartSpec ? void 0 : chartSpec.centerY) ? {
x: null == chartSpec ? void 0 : chartSpec.centerX,
y: null == chartSpec ? void 0 : chartSpec.centerY
} : void 0,
outerRadius: null !== (_f = null !== (_e = null !== (_d = spec.outerRadius) && void 0 !== _d ? _d : spec.radius) && void 0 !== _e ? _e : chartSpec.outerRadius) && void 0 !== _f ? _f : chartSpec.radius,
layoutRadius: chartSpec.layoutRadius
};
};
export const computeLayoutRadius = (getLayoutRadius, getLayoutRect, getCenter, getAngles) => {
const layoutRadius = getLayoutRadius();
if (isNumber(layoutRadius)) return layoutRadius;
if (isFunction(layoutRadius)) return layoutRadius(getLayoutRect(), getCenter());
const rect = getLayoutRect();
if ("auto" === layoutRadius && rect.width > 0 && rect.height > 0) {
const {startAngle: startAngle = 0, endAngle: endAngle = 2 * Math.PI} = getAngles();
return calculateMaxRadius(rect, getCenter(), startAngle, endAngle);
}
return Math.min(rect.width / 2, rect.height / 2);
};
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