victory-native/dist/cartesian/utils/getCartesianTouchCoordinates.js

A charting library for React Native with a focus on performance and customization.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCartesianTouchCoordinates = void 0;
const transform_1 = require("../../utils/transform");
const finiteOrFallback = (value, fallback) => {
    "worklet";
    if (typeof value === "number" && Number.isFinite(value))
        return value;
    if (typeof fallback === "number" && Number.isFinite(fallback)) {
        return fallback;
    }
    return 0;
};
const getCartesianTouchCoordinates = ({ touch, transform, }) => {
    "worklet";
    const { scaleX, scaleY, translateX, translateY } = (0, transform_1.getTransformComponents)(transform);
    const safeScaleX = scaleX === 0 || !Number.isFinite(scaleX) ? 1 : scaleX;
    const safeScaleY = scaleY === 0 || !Number.isFinite(scaleY) ? 1 : scaleY;
    // `handleTouch` compares against pre-transform canvas-space positions from
    // `tData`, while the gesture handler fills the visible chart container.
    // Invert the active chart transform so a press on transformed content still
    // maps back to the matching data point.
    return {
        x: (finiteOrFallback(touch.x, touch.absoluteX) - translateX) / safeScaleX,
        y: (finiteOrFallback(touch.y, touch.absoluteY) - translateY) / safeScaleY,
    };
};
exports.getCartesianTouchCoordinates = getCartesianTouchCoordinates;