Adding WinRT face tracking sample. Works with asset images. Created by @ericmitt.

Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

samples/winrt/FaceDetection/FaceDetection.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2013
+VisualStudioVersion = 12.0.31101.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "FaceDetection", "FaceDetection\FaceDetection.vcxproj", "{0FAE44E0-6C15-4CCA-ABDA-29556B391390}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|ARM = Release|ARM
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|ARM.ActiveCfg = Debug|ARM
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|ARM.Build.0 = Debug|ARM
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|ARM.Deploy.0 = Debug|ARM
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|Win32.ActiveCfg = Debug|Win32
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|Win32.Build.0 = Debug|Win32
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|Win32.Deploy.0 = Debug|Win32
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|x64.ActiveCfg = Debug|x64
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|x64.Build.0 = Debug|x64
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Debug|x64.Deploy.0 = Debug|x64
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|ARM.ActiveCfg = Release|ARM
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|ARM.Build.0 = Release|ARM
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|ARM.Deploy.0 = Release|ARM
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|Win32.ActiveCfg = Release|Win32
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|Win32.Build.0 = Release|Win32
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|Win32.Deploy.0 = Release|Win32
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|x64.ActiveCfg = Release|x64
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|x64.Build.0 = Release|x64
+		{0FAE44E0-6C15-4CCA-ABDA-29556B391390}.Release|x64.Deploy.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

samples/winrt/FaceDetection/FaceDetection/App.xaml

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+<Application
+    x:Class="FaceDetection.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:FaceDetection">
+
+</Application>

samples/winrt/FaceDetection/FaceDetection/App.xaml.cpp

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+//
+// App.xaml.cpp
+// Implementation of the App class.
+//
+
+#include "pch.h"
+#include "MainPage.xaml.h"
+
+using namespace FaceDetection;
+
+using namespace Platform;
+using namespace Windows::ApplicationModel;
+using namespace Windows::ApplicationModel::Activation;
+using namespace Windows::Foundation;
+using namespace Windows::Foundation::Collections;
+using namespace Windows::UI::Xaml;
+using namespace Windows::UI::Xaml::Controls;
+using namespace Windows::UI::Xaml::Controls::Primitives;
+using namespace Windows::UI::Xaml::Data;
+using namespace Windows::UI::Xaml::Input;
+using namespace Windows::UI::Xaml::Interop;
+using namespace Windows::UI::Xaml::Media;
+using namespace Windows::UI::Xaml::Navigation;
+
+// The Blank Application template is documented at http://go.microsoft.com/fwlink/?LinkId=234227
+
+/// <summary>
+/// Initializes the singleton application object.  This is the first line of authored code
+/// executed, and as such is the logical equivalent of main() or WinMain().
+/// </summary>
+App::App()
+{
+    InitializeComponent();
+    Suspending += ref new SuspendingEventHandler(this, &App::OnSuspending);
+}
+
+/// <summary>
+/// Invoked when the application is launched normally by the end user.	Other entry points
+/// will be used such as when the application is launched to open a specific file.
+/// </summary>
+/// <param name="e">Details about the launch request and process.</param>
+void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ e)
+{
+
+#if _DEBUG
+        // Show graphics profiling information while debugging.
+        if (IsDebuggerPresent())
+        {
+            // Display the current frame rate counters
+             DebugSettings->EnableFrameRateCounter = true;
+        }
+#endif
+
+    auto rootFrame = dynamic_cast<Frame^>(Window::Current->Content);
+
+    // Do not repeat app initialization when the Window already has content,
+    // just ensure that the window is active
+    if (rootFrame == nullptr)
+    {
+        // Create a Frame to act as the navigation context and associate it with
+        // a SuspensionManager key
+        rootFrame = ref new Frame();
+
+        // Set the default language
+        rootFrame->Language = Windows::Globalization::ApplicationLanguages::Languages->GetAt(0);
+
+        rootFrame->NavigationFailed += ref new Windows::UI::Xaml::Navigation::NavigationFailedEventHandler(this, &App::OnNavigationFailed);
+
+        if (e->PreviousExecutionState == ApplicationExecutionState::Terminated)
+        {
+            // TODO: Restore the saved session state only when appropriate, scheduling the
+            // final launch steps after the restore is complete
+
+        }
+
+        if (rootFrame->Content == nullptr)
+        {
+            // When the navigation stack isn't restored navigate to the first page,
+            // configuring the new page by passing required information as a navigation
+            // parameter
+            rootFrame->Navigate(TypeName(MainPage::typeid), e->Arguments);
+        }
+        // Place the frame in the current Window
+        Window::Current->Content = rootFrame;
+        // Ensure the current window is active
+        Window::Current->Activate();
+    }
+    else
+    {
+        if (rootFrame->Content == nullptr)
+        {
+            // When the navigation stack isn't restored navigate to the first page,
+            // configuring the new page by passing required information as a navigation
+            // parameter
+            rootFrame->Navigate(TypeName(MainPage::typeid), e->Arguments);
+        }
+        // Ensure the current window is active
+        Window::Current->Activate();
+    }
+}
+
+/// <summary>
+/// Invoked when application execution is being suspended.	Application state is saved
+/// without knowing whether the application will be terminated or resumed with the contents
+/// of memory still intact.
+/// </summary>
+/// <param name="sender">The source of the suspend request.</param>
+/// <param name="e">Details about the suspend request.</param>
+void App::OnSuspending(Object^ sender, SuspendingEventArgs^ e)
+{
+    (void) sender;	// Unused parameter
+    (void) e;	// Unused parameter
+
+    //TODO: Save application state and stop any background activity
+}
+
+/// <summary>
+/// Invoked when Navigation to a certain page fails
+/// </summary>
+/// <param name="sender">The Frame which failed navigation</param>
+/// <param name="e">Details about the navigation failure</param>
+void App::OnNavigationFailed(Platform::Object ^sender, Windows::UI::Xaml::Navigation::NavigationFailedEventArgs ^e)
+{
+    throw ref new FailureException("Failed to load Page " + e->SourcePageType.Name);
+}

samples/winrt/FaceDetection/FaceDetection/App.xaml.h

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+//
+// App.xaml.h
+// Declaration of the App class.
+//
+
+#pragma once
+
+#include "App.g.h"
+
+namespace FaceDetection
+{
+    /// <summary>
+    /// Provides application-specific behavior to supplement the default Application class.
+    /// </summary>
+    ref class App sealed
+    {
+    protected:
+        virtual void OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ e) override;
+
+    internal:
+        App();
+
+    private:
+        void OnSuspending(Platform::Object^ sender, Windows::ApplicationModel::SuspendingEventArgs^ e);
+        void OnNavigationFailed(Platform::Object ^sender, Windows::UI::Xaml::Navigation::NavigationFailedEventArgs ^e);
+    };
+}

samples/winrt/FaceDetection/FaceDetection/FaceDetection.vcxproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|ARM">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM">
+      <Configuration>Release</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{0fae44e0-6c15-4cca-abda-29556b391390}</ProjectGuid>
+    <RootNamespace>FaceDetection</RootNamespace>
+    <DefaultLanguage>en-US</DefaultLanguage>
+    <MinimumVisualStudioVersion>12.0</MinimumVisualStudioVersion>
+    <AppContainerApplication>true</AppContainerApplication>
+    <ApplicationType>Windows Store</ApplicationType>
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+  <ItemGroup>
+    <ClInclude Include="pch.h" />
+    <ClInclude Include="App.xaml.h">
+      <DependentUpon>App.xaml</DependentUpon>
+    </ClInclude>
+    <ClInclude Include="MainPage.xaml.h">
+      <DependentUpon>MainPage.xaml</DependentUpon>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ApplicationDefinition Include="App.xaml">
+      <SubType>Designer</SubType>
+    </ApplicationDefinition>
+    <Page Include="MainPage.xaml">
+      <SubType>Designer</SubType>
+    </Page>
+  </ItemGroup>
+  <ItemGroup>
+    <AppxManifest Include="Package.appxmanifest">
+      <SubType>Designer</SubType>
+    </AppxManifest>
+    <None Include="FaceDetection_TemporaryKey.pfx" />
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="Assets\group1.jpg" />
+    <Image Include="Assets\group2.JPG" />
+    <Image Include="Assets\group3.jpg" />
+    <Image Include="Assets\Logo.scale-100.png" />
+    <Image Include="Assets\SmallLogo.scale-100.png" />
+    <Image Include="Assets\StoreLogo.scale-100.png" />
+    <Image Include="Assets\SplashScreen.scale-100.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="App.xaml.cpp">
+      <DependentUpon>App.xaml</DependentUpon>
+    </ClCompile>
+    <ClCompile Include="MainPage.xaml.cpp">
+      <DependentUpon>MainPage.xaml</DependentUpon>
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+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
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samples/winrt/FaceDetection/FaceDetection/FaceDetection.vcxproj.filters

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Common">
+      <UniqueIdentifier>0fae44e0-6c15-4cca-abda-29556b391390</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Assets">
+      <UniqueIdentifier>cee6a8fd-c14c-4eab-b410-54073b7fc217</UniqueIdentifier>
+      <Extensions>bmp;fbx;gif;jpg;jpeg;tga;tiff;tif;png</Extensions>
+    </Filter>
+    <Image Include="Assets\Logo.scale-100.png">
+      <Filter>Assets</Filter>
+    </Image>
+    <Image Include="Assets\SmallLogo.scale-100.png">
+      <Filter>Assets</Filter>
+    </Image>
+    <Image Include="Assets\StoreLogo.scale-100.png">
+      <Filter>Assets</Filter>
+    </Image>
+    <Image Include="Assets\SplashScreen.scale-100.png">
+      <Filter>Assets</Filter>
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+  <ItemGroup>
+    <ApplicationDefinition Include="App.xaml" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="App.xaml.cpp" />
+    <ClCompile Include="MainPage.xaml.cpp" />
+    <ClCompile Include="pch.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="pch.h" />
+    <ClInclude Include="App.xaml.h" />
+    <ClInclude Include="MainPage.xaml.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <AppxManifest Include="Package.appxmanifest" />
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+    <None Include="FaceDetection_TemporaryKey.pfx" />
+    <None Include="$(OpenCV_Bin)opencv_core300$(DebugSuffix).dll" />
+    <None Include="$(OpenCV_Bin)opencv_imgproc300$(DebugSuffix).dll" />
+    <None Include="$(OpenCV_Bin)opencv_features2d300$(DebugSuffix).dll" />
+    <None Include="$(OpenCV_Bin)opencv_flann300$(DebugSuffix).dll" />
+    <None Include="$(OpenCV_Bin)opencv_ml300$(DebugSuffix).dll" />
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+    <None Include="$(OpenCV_Bin)opencv_imgcodecs300$(DebugSuffix).dll" />
+  </ItemGroup>
+  <ItemGroup>
+    <Page Include="MainPage.xaml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="Assets\group1.jpg">
+      <Filter>Assets</Filter>
+    </Image>
+    <Image Include="Assets\group2.JPG">
+      <Filter>Assets</Filter>
+    </Image>
+    <Image Include="Assets\group3.jpg">
+      <Filter>Assets</Filter>
+    </Image>
+  </ItemGroup>
+  <ItemGroup>
+    <Xml Include="Assets\haarcascade_frontalface_alt.xml">
+      <Filter>Assets</Filter>
+    </Xml>
+  </ItemGroup>
+</Project>

samples/winrt/FaceDetection/FaceDetection/MainPage.xaml

@@ -0,0 +1,16 @@
+<Page
+    x:Class="FaceDetection.MainPage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:FaceDetection"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d">
+
+    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+        <Button x:Name="InitBtn" Content="Initialize" HorizontalAlignment="Left" Height="67" Margin="69,81,0,0" VerticalAlignment="Top" Width="218" Click="InitBtn_Click"/>
+        <Button x:Name="detectBtn" Content="Detect Faces" HorizontalAlignment="Left" Height="67" Margin="69,168,0,0" VerticalAlignment="Top" Width="218" Click="detectBtn_Click"/>
+        <Image x:Name="img1" HorizontalAlignment="Left" Height="446" Margin="354,84,0,0" VerticalAlignment="Top" Width="883"/>
+
+    </Grid>
+</Page>

samples/winrt/FaceDetection/FaceDetection/MainPage.xaml.cpp

@@ -0,0 +1,98 @@
+//
+// MainPage.xaml.cpp
+// Implementation of the MainPage class.
+//
+
+#include "pch.h"
+#include "MainPage.xaml.h"
+
+#include <opencv2\imgproc\types_c.h>
+#include <opencv2\imgcodecs\imgcodecs.hpp>
+#include <opencv2\core\core.hpp>
+#include <opencv2\imgproc\imgproc.hpp>
+
+#include <Robuffer.h>
+
+using namespace FaceDetection;
+
+using namespace Platform;
+using namespace Windows::Foundation;
+using namespace Windows::Foundation::Collections;
+using namespace Windows::UI::Xaml;
+using namespace Windows::UI::Xaml::Controls;
+using namespace Windows::UI::Xaml::Controls::Primitives;
+using namespace Windows::UI::Xaml::Data;
+using namespace Windows::UI::Xaml::Input;
+using namespace Windows::UI::Xaml::Media;
+using namespace Windows::UI::Xaml::Navigation;
+
+using namespace Windows::UI::Xaml::Media::Imaging;
+using namespace Windows::Storage::Streams;
+using namespace Microsoft::WRL;
+
+
+// Name of the resource classifier used to detect human faces (frontal)
+cv::String face_cascade_name = "Assets/haarcascade_frontalface_alt.xml";
+
+MainPage::MainPage()
+{
+    InitializeComponent();
+}
+
+void FaceDetection::MainPage::InitBtn_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
+{
+    // load Image and Init recognizer
+    cv::Mat image = cv::imread("Assets/group1.jpg");
+    groupFaces = cv::Mat(image.rows, image.cols, CV_8UC4);
+    cv::cvtColor(image, groupFaces, CV_BGR2BGRA);
+    UpdateImage(groupFaces);
+
+    if (!face_cascade.load(face_cascade_name)) {
+        Windows::UI::Popups::MessageDialog("Couldn't load face detector \n").ShowAsync();
+    }
+}
+
+
+void FaceDetection::MainPage::detectBtn_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
+{
+    if (!groupFaces.empty()) {
+        std::vector<cv::Rect> facesColl;
+        cv::Mat frame_gray;
+
+        cvtColor(groupFaces, frame_gray, CV_BGR2GRAY);
+        cv::equalizeHist(frame_gray, frame_gray);
+
+        // Detect faces
+        face_cascade.detectMultiScale(frame_gray, facesColl, 1.1, 2, 0 | CV_HAAR_SCALE_IMAGE, cv::Size(1, 1));
+        for (unsigned int i = 0; i < facesColl.size(); i++)
+        {
+            auto face = facesColl[i];
+            cv::rectangle(groupFaces, face, cv::Scalar(0, 255, 255), 5);
+        }
+
+        UpdateImage(groupFaces);
+    } else {
+        Windows::UI::Popups::MessageDialog("Initialize image before processing \n").ShowAsync();
+    }
+}
+
+void FaceDetection::MainPage::UpdateImage(const cv::Mat& image) {
+    // Create the WriteableBitmap
+    WriteableBitmap^ bitmap = ref new WriteableBitmap(image.cols, image.rows);
+
+    // Get access to the pixels
+    IBuffer^ buffer = bitmap->PixelBuffer;
+    unsigned char* dstPixels;
+
+    // Obtain IBufferByteAccess
+    ComPtr<IBufferByteAccess> pBufferByteAccess;
+    ComPtr<IInspectable> pBuffer((IInspectable*)buffer);
+    pBuffer.As(&pBufferByteAccess);
+
+    // Get pointer to pixel bytes
+    pBufferByteAccess->Buffer(&dstPixels);
+    memcpy(dstPixels, image.data, image.step.buf[1] * image.cols*image.rows);
+
+    // Set the bitmap to the Image element
+    img1->Source = bitmap;
+}

samples/winrt/FaceDetection/FaceDetection/MainPage.xaml.h

@@ -0,0 +1,32 @@
+//
+// MainPage.xaml.h
+// Declaration of the MainPage class.
+//
+
+#pragma once
+
+#include "MainPage.g.h"
+#include <opencv2\core\core.hpp>
+#include <opencv2\objdetect.hpp>
+
+
+namespace FaceDetection
+{
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public ref class MainPage sealed
+    {
+    public:
+        MainPage();
+
+    private:
+        void InitBtn_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
+        void detectBtn_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
+
+    private:
+        cv::Mat groupFaces;
+        void UpdateImage(const cv::Mat& image);
+        cv::CascadeClassifier face_cascade;
+    };
+}

samples/winrt/FaceDetection/FaceDetection/Package.appxmanifest

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Package xmlns="http://schemas.microsoft.com/appx/2010/manifest" xmlns:m2="http://schemas.microsoft.com/appx/2013/manifest">
+
+  <Identity Name="f8308285-aea6-41b1-a76e-9954cfd46c7e"
+            Publisher="CN=ericmitt"
+            Version="1.0.0.0" />
+
+  <Properties>
+    <DisplayName>FaceDetection</DisplayName>
+    <PublisherDisplayName>ericmitt</PublisherDisplayName>
+    <Logo>Assets\StoreLogo.png</Logo>
+  </Properties>
+
+  <Prerequisites>
+    <OSMinVersion>6.3.0</OSMinVersion>
+    <OSMaxVersionTested>6.3.0</OSMaxVersionTested>
+  </Prerequisites>
+
+  <Resources>
+    <Resource Language="x-generate"/>
+  </Resources>
+
+  <Applications>
+    <Application Id="App"
+        Executable="$targetnametoken$.exe"
+        EntryPoint="FaceDetection.App">
+        <m2:VisualElements
+            DisplayName="FaceDetection"
+            Square150x150Logo="Assets\Logo.png"
+            Square30x30Logo="Assets\SmallLogo.png"
+            Description="FaceDetection"
+            ForegroundText="light"
+            BackgroundColor="#464646">
+            <m2:SplashScreen Image="Assets\SplashScreen.png" />
+        </m2:VisualElements>
+    </Application>
+  </Applications>
+  <Capabilities>
+    <Capability Name="internetClient" />
+  </Capabilities>
+</Package>

samples/winrt/FaceDetection/FaceDetection/opencv.props

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Label="PropertySheets" />
+  <PropertyGroup Label="UserMacros">
+    <OpenCV_Bin>$(OPENCV_WINRT_INSTALL_DIR)WS\8.1\$(PlatformTarget)\$(PlatformTarget)\vc12\bin\</OpenCV_Bin>
+    <OpenCV_Lib>$(OPENCV_WINRT_INSTALL_DIR)WS\8.1\$(PlatformTarget)\$(PlatformTarget)\vc12\lib\</OpenCV_Lib>
+    <OpenCV_Include>$(OPENCV_WINRT_INSTALL_DIR)WS\8.1\$(PlatformTarget)\include\</OpenCV_Include>
+    <!--debug suffix for OpenCV dlls and libs -->
+    <DebugSuffix Condition="'$(Configuration)'=='Debug'">d</DebugSuffix>
+    <DebugSuffix Condition="'$(Configuration)'!='Debug'">
+    </DebugSuffix>
+  </PropertyGroup>
+  <ItemGroup>
+    <!--Add required OpenCV dlls here-->
+    <None Include="$(OpenCV_Bin)opencv_core300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+    <None Include="$(OpenCV_Bin)opencv_imgcodecs300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+    <None Include="$(OpenCV_Bin)opencv_imgproc300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+    <None Include="$(OpenCV_Bin)opencv_features2d300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+    <None Include="$(OpenCV_Bin)opencv_flann300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+    <None Include="$(OpenCV_Bin)opencv_ml300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+    <None Include="$(OpenCV_Bin)opencv_objdetect300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+  </ItemGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalIncludeDirectories>$(OpenCV_Include);$(ProjectDir);$(GeneratedFilesDir);$(IntDir);%(AdditionalIncludeDirectories);</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <!--Add required OpenCV libs here-->
+      <AdditionalDependencies>opencv_core300$(DebugSuffix).lib;opencv_imgcodecs300$(DebugSuffix).lib;opencv_imgproc300$(DebugSuffix).lib;opencv_features2d300$(DebugSuffix).lib;opencv_flann300$(DebugSuffix).lib;opencv_ml300$(DebugSuffix).lib;opencv_imgcodecs300$(DebugSuffix).lib;opencv_objdetect300$(DebugSuffix).lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(OpenCV_Lib);%(AdditionalLibraryDirectories);</AdditionalLibraryDirectories>
+    </Link>
+  </ItemDefinitionGroup>
+</Project>

samples/winrt/FaceDetection/FaceDetection/pch.cpp

@@ -0,0 +1,6 @@
+//
+// pch.cpp
+// Include the standard header and generate the precompiled header.
+//
+
+#include "pch.h"

samples/winrt/FaceDetection/FaceDetection/pch.h

@@ -0,0 +1,11 @@
+//
+// pch.h
+// Header for standard system include files.
+//
+
+#pragma once
+
+#include <collection.h>
+#include <ppltasks.h>
+
+#include "App.xaml.h"