File size: 1,433 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | import { polarToCartesian } from '../PolarUtils';
import { ChartCoordinate, Coordinate, LayoutType, ChartOffsetInternal } from '../types';
import { RadialCursorPoints, getRadialCursorPoints } from './getRadialCursorPoints';
export function getCursorPoints(
layout: LayoutType,
activeCoordinate: ChartCoordinate,
offset: ChartOffsetInternal,
): [Coordinate, Coordinate] | RadialCursorPoints {
let x1, y1, x2, y2;
if (layout === 'horizontal') {
x1 = activeCoordinate.x;
x2 = x1;
y1 = offset.top;
y2 = offset.top + offset.height;
} else if (layout === 'vertical') {
y1 = activeCoordinate.y;
y2 = y1;
x1 = offset.left;
x2 = offset.left + offset.width;
} else if (activeCoordinate.cx != null && activeCoordinate.cy != null) {
if (layout === 'centric') {
const { cx, cy, innerRadius, outerRadius, angle } = activeCoordinate;
const innerPoint = polarToCartesian(cx, cy, innerRadius, angle);
const outerPoint = polarToCartesian(cx, cy, outerRadius, angle);
x1 = innerPoint.x;
y1 = innerPoint.y;
x2 = outerPoint.x;
y2 = outerPoint.y;
} else {
// @ts-expect-error TODO the state is marked as containing Coordinate but actually in polar charts it contains PolarCoordinate, we should keep the polar state separate
return getRadialCursorPoints(activeCoordinate);
}
}
return [
{ x: x1, y: y1 },
{ x: x2, y: y2 },
];
}
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