126 lines
4.1 KiB
C++
126 lines
4.1 KiB
C++
//
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// App.xaml.cpp
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// Implementation of the App class.
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//
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#include "pch.h"
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#include "DirectXPage.xaml.h"
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using namespace CameraRenderer_cpp;
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using namespace Platform;
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using namespace Windows::ApplicationModel;
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using namespace Windows::ApplicationModel::Activation;
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using namespace Windows::Foundation;
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using namespace Windows::Foundation::Collections;
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using namespace Windows::Storage;
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using namespace Windows::UI::Xaml;
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using namespace Windows::UI::Xaml::Controls;
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using namespace Windows::UI::Xaml::Controls::Primitives;
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using namespace Windows::UI::Xaml::Data;
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using namespace Windows::UI::Xaml::Input;
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using namespace Windows::UI::Xaml::Interop;
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using namespace Windows::UI::Xaml::Media;
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using namespace Windows::UI::Xaml::Navigation;
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/// <summary>
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/// Initializes the singleton application object. This is the first line of authored code
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/// executed, and as such is the logical equivalent of main() or WinMain().
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/// </summary>
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App::App()
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{
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InitializeComponent();
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Suspending += ref new SuspendingEventHandler(this, &App::OnSuspending);
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Resuming += ref new EventHandler<Object^>(this, &App::OnResuming);
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}
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/// <summary>
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/// Invoked when the application is launched normally by the end user. Other entry points
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/// will be used when the application is launched to open a specific file, to display
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/// search results, and so forth.
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/// </summary>
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/// <param name="e">Details about the launch request and process.</param>
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void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ e)
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{
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#if _DEBUG
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if (IsDebuggerPresent())
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{
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DebugSettings->EnableFrameRateCounter = true;
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}
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#endif
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auto rootFrame = dynamic_cast<Frame^>(Window::Current->Content);
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// Do not repeat app initialization when the Window already has content,
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// just ensure that the window is active
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if (rootFrame == nullptr)
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{
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// Create a Frame to act as the navigation context and associate it with
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// a SuspensionManager key
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rootFrame = ref new Frame();
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rootFrame->NavigationFailed += ref new Windows::UI::Xaml::Navigation::NavigationFailedEventHandler(this, &App::OnNavigationFailed);
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// Place the frame in the current Window
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Window::Current->Content = rootFrame;
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}
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if (rootFrame->Content == nullptr)
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{
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// When the navigation stack isn't restored navigate to the first page,
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// configuring the new page by passing required information as a navigation
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// parameter
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rootFrame->Navigate(TypeName(DirectXPage::typeid), e->Arguments);
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}
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if (m_directXPage == nullptr)
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{
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m_directXPage = dynamic_cast<DirectXPage^>(rootFrame->Content);
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}
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if (e->PreviousExecutionState == ApplicationExecutionState::Terminated)
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{
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m_directXPage->LoadInternalState(ApplicationData::Current->LocalSettings->Values);
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}
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// Ensure the current window is active
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Window::Current->Activate();
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}
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/// <summary>
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/// Invoked when application execution is being suspended. Application state is saved
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/// without knowing whether the application will be terminated or resumed with the contents
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/// of memory still intact.
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/// </summary>
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/// <param name="sender">The source of the suspend request.</param>
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/// <param name="e">Details about the suspend request.</param>
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void App::OnSuspending(Object^ sender, SuspendingEventArgs^ e)
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{
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(void) sender; // Unused parameter
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(void) e; // Unused parameter
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m_directXPage->SaveInternalState(ApplicationData::Current->LocalSettings->Values);
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}
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/// <summary>
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/// Invoked when application execution is being resumed.
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/// </summary>
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/// <param name="sender">The source of the resume request.</param>
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/// <param name="args">Details about the resume request.</param>
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void App::OnResuming(Object ^sender, Object ^args)
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{
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(void) sender; // Unused parameter
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(void) args; // Unused parameter
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m_directXPage->LoadInternalState(ApplicationData::Current->LocalSettings->Values);
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}
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/// <summary>
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/// Invoked when Navigation to a certain page fails
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/// </summary>
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/// <param name="sender">The Frame which failed navigation</param>
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/// <param name="e">Details about the navigation failure</param>
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void App::OnNavigationFailed(Platform::Object ^sender, Windows::UI::Xaml::Navigation::NavigationFailedEventArgs ^e)
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{
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throw ref new FailureException("Failed to load Page " + e->SourcePageType.Name);
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}
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