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// Copyright 2019 The Chromium Authors
// 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 "third_party/blink/renderer/core/typed_arrays/array_buffer_view_helpers.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 gfx {
class Transform;
}
namespace blink {
class DOMPointInit;
class DOMPointReadOnly;
class ExceptionState;
// 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 gfx::Transform&);
XRRigidTransform(DOMPointInit*, DOMPointInit*);
static XRRigidTransform* Create(DOMPointInit*,
DOMPointInit*,
ExceptionState&);
XRRigidTransform(const XRRigidTransform&) = delete;
XRRigidTransform& operator=(const XRRigidTransform&) = delete;
~XRRigidTransform() override = default;
DOMPointReadOnly* position() const { return position_.Get(); }
DOMPointReadOnly* orientation() const { return orientation_.Get(); }
NotShared<DOMFloat32Array> matrix();
XRRigidTransform* inverse();
gfx::Transform InverseTransformMatrix();
gfx::Transform TransformMatrix(); // copies matrix_
void Trace(Visitor*) const override;
private:
void DecomposeMatrix();
void EnsureMatrix();
void EnsureInverse();
Member<DOMPointReadOnly> position_;
Member<DOMPointReadOnly> orientation_;
Member<XRRigidTransform> inverse_;
NotShared<DOMFloat32Array> matrix_array_;
std::unique_ptr<gfx::Transform> matrix_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_RIGID_TRANSFORM_H_
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