Image processing sample for WinRT added.

samples/winrt/OcvImageProcessing/OcvImageProcessing.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "OcvImageProcessing", "OcvImageProcessing\OcvImageProcessing.vcxproj", "{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}"
+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
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|ARM.ActiveCfg = Debug|ARM
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|ARM.Build.0 = Debug|ARM
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|ARM.Deploy.0 = Debug|ARM
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|Win32.ActiveCfg = Debug|Win32
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|Win32.Build.0 = Debug|Win32
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|Win32.Deploy.0 = Debug|Win32
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|x64.ActiveCfg = Debug|x64
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|x64.Build.0 = Debug|x64
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Debug|x64.Deploy.0 = Debug|x64
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|ARM.ActiveCfg = Release|ARM
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|ARM.Build.0 = Release|ARM
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|ARM.Deploy.0 = Release|ARM
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|Win32.ActiveCfg = Release|Win32
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|Win32.Build.0 = Release|Win32
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|Win32.Deploy.0 = Release|Win32
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|x64.ActiveCfg = Release|x64
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|x64.Build.0 = Release|x64
+		{A5555EA2-F9E8-4078-90F5-D428F2C0D6D1}.Release|x64.Deploy.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

samples/winrt/OcvImageProcessing/OcvImageProcessing/App.xaml

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+<Application
+    x:Class="OcvImageProcessing.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:OcvImageProcessing">
+
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+
+                <!-- 
+                    Styles that define common aspects of the platform look and feel
+                    Required by Visual Studio project and item templates
+                 -->
+                <ResourceDictionary Source="Common/StandardStyles.xaml"/>
+            </ResourceDictionary.MergedDictionaries>
+
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

samples/winrt/OcvImageProcessing/OcvImageProcessing/App.xaml.cpp

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+//
+// App.xaml.cpp
+// Implementation of the App class.
+//
+
+#include "pch.h"
+#include "MainPage.xaml.h"
+
+using namespace OcvImageProcessing;
+
+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 when the application is launched to open a specific file, to display
+/// search results, and so forth.
+/// </summary>
+/// <param name="args">Details about the launch request and process.</param>
+void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ args)
+{
+	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();
+
+		if (args->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
+			if (!rootFrame->Navigate(TypeName(MainPage::typeid), args->Arguments))
+			{
+				throw ref new FailureException("Failed to create initial page");
+			}
+		}
+		// 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
+			if (!rootFrame->Navigate(TypeName(MainPage::typeid), args->Arguments))
+			{
+				throw ref new FailureException("Failed to create initial page");
+			}
+		}
+		// 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
+}

samples/winrt/OcvImageProcessing/OcvImageProcessing/App.xaml.h

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

samples/winrt/OcvImageProcessing/OcvImageProcessing/MainPage.xaml

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+<Page
+    x:Class="OcvImageProcessing.MainPage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:OcvImageProcessing"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d">
+
+    <Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
+        <Image x:Name="PreviewWidget" HorizontalAlignment="Left" Height="748" Margin="10,10,0,0" VerticalAlignment="Top" Width="1146"/>
+        <Button Content="Button" HorizontalAlignment="Left" Margin="1161,10,0,0" VerticalAlignment="Top" Width="195" Height="63" Click="Button_Click"/>
+
+    </Grid>
+</Page>

samples/winrt/OcvImageProcessing/OcvImageProcessing/MainPage.xaml.cpp

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+//
+// MainPage.xaml.cpp
+// Implementation of the MainPage class.
+//
+
+#include "pch.h"
+#include "MainPage.xaml.h"
+#include <ppltasks.h>
+#include <wrl\client.h>
+#include <Robuffer.h>
+using namespace OcvImageProcessing;
+
+using namespace Microsoft::WRL;
+using namespace concurrency;
+using namespace Platform;
+using namespace Windows::Foundation;
+using namespace Windows::Storage::Streams;
+using namespace Windows::UI::Xaml::Media::Imaging;
+using namespace Windows::Graphics::Imaging;
+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;
+
+#include <opencv2\core\core.hpp>
+#include <opencv2\imgproc\imgproc.hpp>
+
+Uri^ InputImageUri = ref new Uri(L"ms-appx:///Assets/Lena.png");
+
+// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238
+
+MainPage::MainPage()
+{
+	InitializeComponent();
+}
+
+/// <summary>
+/// Invoked when this page is about to be displayed in a Frame.
+/// </summary>
+/// <param name="e">Event data that describes how this page was reached.  The Parameter
+/// property is typically used to configure the page.</param>
+void MainPage::OnNavigatedTo(NavigationEventArgs^ e)
+{
+	(void) e;	// Unused parameter
+}
+
+
+void OcvImageProcessing::MainPage::Button_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
+{
+	RandomAccessStreamReference^ streamRef = RandomAccessStreamReference::CreateFromUri(InputImageUri);
+
+    task<IRandomAccessStreamWithContentType^> (streamRef->OpenReadAsync()).
+	then([](task<IRandomAccessStreamWithContentType^> thisTask)
+    {
+        IRandomAccessStreamWithContentType^ fileStream = thisTask.get();
+        return BitmapDecoder::CreateAsync(fileStream);
+    }).
+    then([](task<BitmapDecoder^> thisTask)
+    {
+        BitmapDecoder^ decoder = thisTask.get();
+        return decoder->GetFrameAsync(0);
+    }).
+    then([this](task<BitmapFrame^> thisTask)
+    {
+        BitmapFrame^ frame = thisTask.get();   
+
+        // Save some information as fields
+        frameWidth = frame->PixelWidth;
+        frameHeight = frame->PixelHeight;
+
+        return frame->GetPixelDataAsync();
+    }).
+    then([this](task<PixelDataProvider^> thisTask)
+    {
+        PixelDataProvider^ pixelProvider = thisTask.get();
+		Platform::Array<byte>^ srcPixels = pixelProvider->DetachPixelData();
+		
+		cv::Mat inputImage(frameHeight, frameWidth, CV_8UC4, srcPixels->Data);
+		unsigned char* dstPixels;
+		
+        // Create the WriteableBitmap 
+        WriteableBitmap^ bitmap = ref new WriteableBitmap(frameWidth, frameHeight);
+
+		// Get access to the pixels
+		IBuffer^ buffer = bitmap->PixelBuffer;
+
+		// Obtain IBufferByteAccess
+		ComPtr<IBufferByteAccess> pBufferByteAccess;
+		ComPtr<IUnknown> pBuffer((IUnknown*)buffer);
+		pBuffer.As(&pBufferByteAccess);
+
+		// Get pointer to pixel bytes
+		pBufferByteAccess->Buffer(&dstPixels);
+		cv::Mat outputImage(frameHeight, frameWidth, CV_8UC4, dstPixels);
+
+		cv::Mat intermediateMat;
+		cv::Canny(inputImage, intermediateMat, 80, 90);
+		cv::cvtColor(intermediateMat, outputImage, CV_GRAY2BGRA);
+		//cv::blur(inputImage, outputImage, cv::Size(3,3));
+
+        // Set the bitmap to the Image element
+		PreviewWidget->Source = bitmap;       
+    });
+}

samples/winrt/OcvImageProcessing/OcvImageProcessing/MainPage.xaml.h

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+//
+// MainPage.xaml.h
+// Declaration of the MainPage class.
+//
+
+#pragma once
+
+#include "MainPage.g.h"
+
+namespace OcvImageProcessing
+{
+	/// <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();
+
+	protected:
+		virtual void OnNavigatedTo(Windows::UI::Xaml::Navigation::NavigationEventArgs^ e) override;
+	private:
+		void Button_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
+
+		unsigned int frameWidth, frameHeight;
+	};
+}

samples/winrt/OcvImageProcessing/OcvImageProcessing/OcvImageProcessing.vcxproj

@@ -0,0 +1,200 @@
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samples/winrt/OcvImageProcessing/OcvImageProcessing/OcvImageProcessing.vcxproj.filters

@@ -0,0 +1,55 @@
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+    </Filter>
+    <Filter Include="Assets">
+      <UniqueIdentifier>714bc2d8-fb65-4062-80fa-4d1822fe24e2</UniqueIdentifier>
+    </Filter>
+    <Page Include="Common\StandardStyles.xaml">
+      <Filter>Common</Filter>
+    </Page>
+    <Image Include="Assets\Logo.png">
+      <Filter>Assets</Filter>
+    </Image>
+    <Image Include="Assets\SmallLogo.png">
+      <Filter>Assets</Filter>
+    </Image>
+    <Image Include="Assets\StoreLogo.png">
+      <Filter>Assets</Filter>
+    </Image>
+    <Image Include="Assets\SplashScreen.png">
+      <Filter>Assets</Filter>
+    </Image>
+  </ItemGroup>
+  <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" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="OcvImageProcessing_TemporaryKey.pfx" />
+    <None Include="..\..\opencv\build\install\bin\opencv_core246.dll" />
+    <None Include="..\..\opencv\build\install\bin\opencv_imgproc246.dll" />
+  </ItemGroup>
+  <ItemGroup>
+    <Page Include="MainPage.xaml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="Assets\Lena.png">
+      <Filter>Assets</Filter>
+    </Image>
+  </ItemGroup>
+</Project>

samples/winrt/OcvImageProcessing/OcvImageProcessing/Package.appxmanifest

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Package xmlns="http://schemas.microsoft.com/appx/2010/manifest">
+
+  <Identity Name="96635370-3751-48a8-84a6-afd4229cf435"
+            Publisher="CN=asmorkalov"
+            Version="1.0.0.0" />
+
+  <Properties>
+    <DisplayName>OcvImageProcessing</DisplayName>
+    <PublisherDisplayName>asmorkalov</PublisherDisplayName>
+    <Logo>Assets\StoreLogo.png</Logo>
+  </Properties>
+
+  <Prerequisites>
+    <OSMinVersion>6.2.1</OSMinVersion>
+    <OSMaxVersionTested>6.2.1</OSMaxVersionTested>
+  </Prerequisites>
+
+  <Resources>
+    <Resource Language="x-generate"/>
+  </Resources>
+
+  <Applications>
+    <Application Id="App"
+        Executable="$targetnametoken$.exe"
+        EntryPoint="OcvImageProcessing.App">
+        <VisualElements
+            DisplayName="OcvImageProcessing"
+            Logo="Assets\Logo.png"
+            SmallLogo="Assets\SmallLogo.png"
+            Description="OcvImageProcessing"
+            ForegroundText="light"
+            BackgroundColor="#464646">
+            <DefaultTile ShowName="allLogos" />
+            <SplashScreen Image="Assets\SplashScreen.png" />
+        </VisualElements>
+    </Application>
+  </Applications>
+  <Capabilities>
+    <Capability Name="internetClient" />
+  </Capabilities>
+</Package>

samples/winrt/OcvImageProcessing/OcvImageProcessing/pch.cpp

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

samples/winrt/OcvImageProcessing/OcvImageProcessing/pch.h

@@ -0,0 +1,9 @@
+//
+// pch.h
+// Header for standard system include files.
+//
+
+#pragma once
+
+#include <collection.h>
+#include "App.xaml.h"