import type { HybridObject } from 'react-native-nitro-modules';
import type { Point } from '../common-types/Point';
import type { Size } from '../common-types/Size';
/**
 * Camera Calibration Data is per-frame data
 * used to counter-apply any transformations applied
 * by the Camera/ISP.
 *
 * It can be useful to undo any distortion correction,
 * or compute scenery in 3D space.
 *
 * @see {@linkcode Depth.cameraCalibrationData}
 * @see {@linkcode Photo.calibrationData}
 * @platform iOS
 */
export interface CameraCalibrationData extends HybridObject<{
    ios: 'swift';
    android: 'kotlin';
}> {
    /**
     * The size of one pixel at {@linkcode intrinsicMatrixReferenceDimensions} in millimeters.
     */
    readonly pixelSize: number;
    /**
     * The reference frame dimensions used in calculating a camera's principal point.
     */
    readonly intrinsicMatrixReferenceDimensions: Size;
    /**
     * A {@linkcode Point} describing the offset of the lens' distortion center
     * from the top left in {@linkcode intrinsicMatrixReferenceDimensions}.
     */
    readonly lensDistortionCenter: Point;
    /**
     * Gets the Camera intrinsic matrix, which maps 3D Camera coordinates
     * to 2D Pixel coordinates.
     *
     * The returned array is a 3x3 matrix with column-major ordering.
     * Its origin is the top-left of the Frame.
     *
     * ```
     * K = [ fx   0  cx ]
     *     [  0  fy  cy ]
     *     [  0   0   1 ]
     * ```
     * - `fx`, `fy`: focal length in pixels
     * - `cx`, `cy`: principal point in pixels
     *
     * @example
     * ```ts
     * const matrix = calibrationData.cameraIntrinsicMatrix
     * const fx = matrix[0]
     * const fy = matrix[4]
     * ```
     */
    readonly cameraIntrinsicMatrix: number[];
    /**
     * Gets the Camera extrinsic matrix, which maps world space
     * to camera space.
     *
     * The returned array is a 3x4 matrix with column-major ordering.
     *
     * ```
     * K = [ r11 r12 r13 tx ]
     *     [ r21 r22 r23 ty ]
     *     [ r31 r32 r33 tz ]
     * ```
     * - `r`: Rotation/orientation
     * - `t`: Translation/position (in millimeters)
     */
    readonly cameraExtrinsicsMatrix: number[];
}