File: xr_image_tracking_result.idl

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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// PRELIMINARY draft explainer, this is still in ongoing discussions
// with the immersive-web group and likely to change:
//
//   https://github.com/klausw/webxr-image-tracking/blob/main/explainer.md

enum XRImageTrackingState {
  "tracked",
  "emulated",
};

[
    RuntimeEnabled=WebXRImageTracking,
    SecureContext,
    Exposed=Window
]
interface XRImageTrackingResult {
  [SameObject] readonly attribute XRSpace imageSpace;
  readonly attribute unsigned long index;
  readonly attribute XRImageTrackingState trackingState;
  readonly attribute float measuredWidthInMeters;
};