63 lines
3.8 KiB
C++
63 lines
3.8 KiB
C++
#pragma once
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#include "winrt/Windows.Graphics.Display.h"
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#include "CameraRotationHelper.g.h"
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// This is a Cpp/WinRT implementation of the Camera Rotation Helper class(C#) on MSDN:
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// https://docs.microsoft.com/en-us/windows/uwp/audio-video-camera/handle-device-orientation-with-mediacapture#camerarotationhelper-full-code-listing
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namespace winrt::ReactNativeCameraCPP::implementation
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{
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struct CameraRotationHelper : CameraRotationHelperT<CameraRotationHelper>
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{
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public:
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CameraRotationHelper(winrt::Windows::Devices::Enumeration::EnclosureLocation location);
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winrt::event_token OrientationChanged(Windows::Foundation::EventHandler<bool> const& handler);
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void OrientationChanged(winrt::event_token const& token) noexcept;
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winrt::Windows::Devices::Sensors::SimpleOrientation GetCameraCaptureOrientation();
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winrt::Windows::Storage::FileProperties::PhotoOrientation GetConvertedCameraCaptureOrientation();
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winrt::Windows::Devices::Sensors::SimpleOrientation GetCameraPreviewOrientation();
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int GetCameraPreviewClockwiseDegrees();
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private:
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bool IsEnclosureLocationExternal(winrt::Windows::Devices::Enumeration::EnclosureLocation enclosureLocation)
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{
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return (enclosureLocation == nullptr || enclosureLocation.Panel() == winrt::Windows::Devices::Enumeration::Panel::Unknown);
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}
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bool ShouldMirrorPreview();
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winrt::Windows::Devices::Sensors::SimpleOrientation GetCameraOrientationRelativeToNativeOrientation();
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winrt::Windows::Devices::Sensors::SimpleOrientation SubtractOrientations(
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winrt::Windows::Devices::Sensors::SimpleOrientation a,
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winrt::Windows::Devices::Sensors::SimpleOrientation b);
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winrt::Windows::Devices::Sensors::SimpleOrientation MirrorOrientation(winrt::Windows::Devices::Sensors::SimpleOrientation orientation);
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winrt::Windows::Devices::Sensors::SimpleOrientation AddOrientations(winrt::Windows::Devices::Sensors::SimpleOrientation a, winrt::Windows::Devices::Sensors::SimpleOrientation b);
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winrt::Windows::Devices::Sensors::SimpleOrientation ConvertDisplayOrientationToSimpleOrientation(Windows::Graphics::Display::DisplayOrientations orientation);
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static winrt::Windows::Storage::FileProperties::PhotoOrientation ConvertSimpleOrientationToPhotoOrientation(
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winrt::Windows::Devices::Sensors::SimpleOrientation orientation);
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static int ConvertSimpleOrientationToClockwiseDegrees(winrt::Windows::Devices::Sensors::SimpleOrientation orientation);
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static winrt::Windows::Devices::Sensors::SimpleOrientation ConvertClockwiseDegreesToSimpleOrientation(int orientation);
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void SimpleOrientationSensor_OrientationChanged(IInspectable const& sender, IInspectable const& args);
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void DisplayInformation_OrientationChanged(IInspectable const& sender, IInspectable const& args);
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winrt::Windows::Devices::Sensors::SimpleOrientationSensor::OrientationChanged_revoker m_sensorOrientationChanged_revoker{};
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winrt::Windows::Graphics::Display::DisplayInformation::OrientationChanged_revoker m_displayOrientationChanged_revoker{};
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winrt::Windows::Devices::Enumeration::EnclosureLocation m_cameraEnclosureLocation{nullptr};
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winrt::event<Windows::Foundation::EventHandler<bool>> m_orientationChangedEvent;
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winrt::Windows::Devices::Sensors::SimpleOrientationSensor m_orientationSensor{ winrt::Windows::Devices::Sensors::SimpleOrientationSensor::GetDefault() };
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winrt::Windows::Graphics::Display::DisplayInformation m_displayInformation{ winrt::Windows::Graphics::Display::DisplayInformation::GetForCurrentView() };
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};
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}
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namespace winrt::ReactNativeCameraCPP::factory_implementation
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{
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struct CameraRotationHelper : CameraRotationHelperT<CameraRotationHelper, implementation::CameraRotationHelper>
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{
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};
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}
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