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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.
#include "third_party/blink/renderer/modules/xr/xr_image_tracking_result.h"
#include "third_party/blink/renderer/core/html/html_image_element.h"
#include "third_party/blink/renderer/modules/xr/xr_object_space.h"
#include "third_party/blink/renderer/modules/xr/xr_pose.h"
#include "third_party/blink/renderer/modules/xr/xr_session.h"
#include "third_party/blink/renderer/modules/xr/xr_space.h"
#include "ui/gfx/geometry/transform.h"
namespace blink {
XRImageTrackingResult::XRImageTrackingResult(
XRSession* session,
const device::mojom::blink::XRTrackedImageData& result)
: session_(session),
index_(result.index),
mojo_from_this_(result.mojo_from_image),
width_in_meters_(result.width_in_meters) {
DVLOG(2) << __func__ << ": image index=" << index_;
if (result.actively_tracked) {
tracking_state_ =
V8XRImageTrackingState(V8XRImageTrackingState::Enum::kTracked);
} else {
tracking_state_ =
V8XRImageTrackingState(V8XRImageTrackingState::Enum::kEmulated);
}
}
std::optional<gfx::Transform> XRImageTrackingResult::MojoFromObject() const {
if (!mojo_from_this_) {
return std::nullopt;
}
return mojo_from_this_->ToTransform();
}
XRSpace* XRImageTrackingResult::imageSpace() const {
if (!image_space_) {
image_space_ = MakeGarbageCollected<XRObjectSpace<XRImageTrackingResult>>(
session_, this);
}
return image_space_.Get();
}
device::mojom::blink::XRNativeOriginInformationPtr
XRImageTrackingResult::NativeOrigin() const {
return device::mojom::blink::XRNativeOriginInformation::NewImageIndex(index_);
}
void XRImageTrackingResult::Trace(Visitor* visitor) const {
visitor->Trace(session_);
visitor->Trace(image_space_);
ScriptWrappable::Trace(visitor);
}
} // namespace blink
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