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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_RIGID_TRANSFORM_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_RIGID_TRANSFORM_H_
#include <memory>
#include "base/macros.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_typed_array.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
namespace blink {
class DOMPointInit;
class DOMPointReadOnly;
class ExceptionState;
class TransformationMatrix;
// MODULES_EXPORT is required for unit tests using XRRigidTransform (currently
// just xr_rigid_transform_test.cc) to build without linker errors.
class MODULES_EXPORT XRRigidTransform : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
explicit XRRigidTransform(const TransformationMatrix&);
XRRigidTransform(DOMPointInit*, DOMPointInit*);
static XRRigidTransform* Create(DOMPointInit*,
DOMPointInit*,
ExceptionState&);
~XRRigidTransform() override = default;
DOMPointReadOnly* position() const { return position_; }
DOMPointReadOnly* orientation() const { return orientation_; }
DOMFloat32Array* matrix();
XRRigidTransform* inverse();
TransformationMatrix InverseTransformMatrix();
TransformationMatrix TransformMatrix(); // copies matrix_
void Trace(Visitor*) const override;
private:
void DecomposeMatrix();
void EnsureMatrix();
void EnsureInverse();
Member<DOMPointReadOnly> position_;
Member<DOMPointReadOnly> orientation_;
Member<XRRigidTransform> inverse_;
Member<DOMFloat32Array> matrix_array_;
std::unique_ptr<TransformationMatrix> matrix_;
DISALLOW_COPY_AND_ASSIGN(XRRigidTransform);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_RIGID_TRANSFORM_H_
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