Several transforms added to sample IMFTransform.

samples/winrt/ImageManipulations/C++/AdvancedCapture.xaml

@@ -40,7 +40,8 @@
                 <Button x:Name="btnTakePhoto2" Click="btnTakePhoto_Click" IsEnabled="false"  Margin="0,0,10,0">TakePhoto</Button>
             </StackPanel>
             <StackPanel Orientation="Horizontal" Grid.Row="2" Margin="0,10,0,0">
-                <CheckBox x:Name="chkAddRemoveEffect" Margin="0,0,10,0" Content="Grayscale Effect"  IsEnabled="False" Checked="chkAddRemoveEffect_Checked" Unchecked="chkAddRemoveEffect_Unchecked"/>
+                <CheckBox x:Name="chkAddRemoveEffect" Margin="0,0,10,0" Content="Add Effect"  IsEnabled="False" Checked="chkAddRemoveEffect_Checked" Unchecked="chkAddRemoveEffect_Unchecked"/>
+                <ComboBox Width="120"/>
             </StackPanel>
         </Grid>
 

samples/winrt/ImageManipulations/C++/AdvancedCapture.xaml.cpp

@@ -596,7 +596,7 @@ void AdvancedCapture::AddEffectToImageStream()
             Windows::Foundation::Collections::IVectorView<Windows::Media::MediaProperties::IMediaEncodingProperties^>^ supportedPropsList = mediaCapture->VideoDeviceController->GetAvailableMediaStreamProperties(Windows::Media::Capture::MediaStreamType::Photo);
             {
                 unsigned int i = 0;
-                while (i<  supportedPropsList->Size)
+                while (i < supportedPropsList->Size)
                 {
                     Windows::Media::MediaProperties::IMediaEncodingProperties^ props = supportedPropsList->GetAt(i);
 
@@ -634,7 +634,6 @@ void AdvancedCapture::AddEffectToImageStream()
                                 ShowExceptionMessage(e);
                                 chkAddRemoveEffect->IsEnabled = true;
                                 chkAddRemoveEffect->IsChecked = false;
-
                             }
 
                         });
@@ -1032,3 +1031,9 @@ Windows::Media::Capture::VideoRotation AdvancedCapture::VideoRotationLookup(
     }
 }
 
+
+
+void SDKSample::MediaCapture::AdvancedCapture::EffectType_SelectionChanged(Platform::Object^ sender, Windows::UI::Xaml::Controls::SelectionChangedEventArgs^ e)
+{
+
+}

samples/winrt/ImageManipulations/C++/AdvancedCapture.xaml.h

@@ -98,6 +98,7 @@ namespace SDKSample
             bool m_bRotateVideoOnOrientationChange;
             bool m_bReversePreviewRotation;
             Windows::Foundation::EventRegistrationToken m_orientationChangedEventToken;
+            void EffectType_SelectionChanged(Platform::Object^ sender, Windows::UI::Xaml::Controls::SelectionChangedEventArgs^ e);
         };
     }
 }

samples/winrt/ImageManipulations/C++/MainPage.xaml

@@ -116,17 +116,7 @@
                     <ColumnDefinition Width="Auto"/>
                     <ColumnDefinition Width="*"/>
                 </Grid.ColumnDefinitions>
-                <Image Grid.Row="0"  Source="Assets/microsoft-sdk.png" AutomationProperties.Name="Microsoft Logo" Stretch="None" HorizontalAlignment="Left"/>
+                <StackPanel x:Name="FooterPanel" Orientation="Horizontal" Grid.Row="1" Grid.Column="1" HorizontalAlignment="Right"/>
-                <TextBlock Style="{StaticResource FooterStyle}" Text="© Microsoft Corporation. All rights reserved." TextWrapping="Wrap" Grid.Row="1" HorizontalAlignment="Left"/>
-                <StackPanel x:Name="FooterPanel" Orientation="Horizontal" Grid.Row="1" Grid.Column="1" HorizontalAlignment="Right">
-                    <HyperlinkButton Content="Terms of use" Tag="http://www.microsoft.com/About/Legal/EN/US/IntellectualProperty/Copyright/default.aspx"
-                        Click="Footer_Click" FontSize="12" Style="{StaticResource HyperlinkStyle}"/>
-                    <TextBlock Text="|" Style="{StaticResource SeparatorStyle}" VerticalAlignment="Center"/>
-                    <HyperlinkButton Content="Trademarks" Tag="http://www.microsoft.com/About/Legal/EN/US/IntellectualProperty/Trademarks/EN-US.aspx"
-                        Click="Footer_Click" FontSize="12" Style="{StaticResource HyperlinkStyle}"/>
-                    <TextBlock Text="|"  Style="{StaticResource SeparatorStyle}" VerticalAlignment="Center"/>
-                    <HyperlinkButton Content="Privacy Statement" Tag="http://privacy.microsoft.com" Click="Footer_Click" FontSize="12" Style="{StaticResource HyperlinkStyle}"/>
-                </StackPanel>
             </Grid>
 
 

samples/winrt/ImageManipulations/C++/MediaExtensions/Grayscale/Grayscale.cpp

@@ -1350,10 +1350,13 @@ HRESULT CGrayscale::BeginStreaming()
             goto done;
         }
 
-        // Get the chroma transformations.
+        // Get the effect type
+        UINT32 effect = MFGetAttributeUINT32(m_pAttributes, MFT_IMAGE_EFFECT, 1);
 
-        // float scale = (float)MFGetAttributeDouble(m_pAttributes, MFT_GRAYSCALE_SATURATION, 0.0f);
+        if ((effect >= 0) && (effect < InvalidEffect))
-        // float angle = (float)MFGetAttributeDouble(m_pAttributes, MFT_GRAYSCALE_CHROMA_ROTATION, 0.0f);
+        {
+            m_TransformType = (ProcessingType)effect;
+        }
 
         m_bStreamingInitialized = true;
     }
@@ -1414,16 +1417,72 @@ HRESULT CGrayscale::OnProcessOutput(IMFMediaBuffer *pIn, IMFMediaBuffer *pOut)
         return hr;
     }
 
-     //(*m_pTransformFn)(m_transform, m_rcDest, pDest, lDestStride, pSrc, lSrcStride,
-     //       m_imageWidthInPixels, m_imageHeightInPixels);
-
     cv::Mat InputFrame(m_imageHeightInPixels + m_imageHeightInPixels/2, m_imageWidthInPixels, CV_8UC1, pSrc, lSrcStride);
     cv::Mat InputGreyScale(InputFrame, cv::Range(0, m_imageHeightInPixels), cv::Range(0, m_imageWidthInPixels));
     cv::Mat OutputFrame(m_imageHeightInPixels + m_imageHeightInPixels/2, m_imageWidthInPixels, CV_8UC1, pDest, lDestStride);
+
+    switch (m_TransformType)
+    {
+    case Preview:
+        {
+            InputFrame.copyTo(OutputFrame);
+        } break;
+    case GrayScale:
+        {
+            OutputFrame.setTo(cv::Scalar(128));
+            cv::Mat OutputGreyScale(OutputFrame, cv::Range(0, m_imageHeightInPixels), cv::Range(0, m_imageWidthInPixels));
+            InputGreyScale.copyTo(OutputGreyScale);
+        } break;
+    case Canny:
+        {
             OutputFrame.setTo(cv::Scalar(128));
             cv::Mat OutputGreyScale(OutputFrame, cv::Range(0, m_imageHeightInPixels), cv::Range(0, m_imageWidthInPixels));
             cv::Canny(InputGreyScale, OutputGreyScale, 80, 90);
 
+        } break;
+    case Sobel:
+        {
+            OutputFrame.setTo(cv::Scalar(128));
+            cv::Mat OutputGreyScale(OutputFrame, cv::Range(0, m_imageHeightInPixels), cv::Range(0, m_imageWidthInPixels));
+            cv::Sobel(InputGreyScale, OutputGreyScale, CV_8U, 1, 1);
+        } break;
+    case Histogram:
+        {
+            const int mHistSizeNum = 25;
+            const int channels[3][1] = {{0}, {1}, {2}};
+            const int mHistSize[] = {25};
+            const float baseRabge[] = {0.f,256.f};
+            const float* ranges[] = {baseRabge};
+            const cv::Scalar mColorsRGB[] = { cv::Scalar(200, 0, 0, 255), cv::Scalar(0, 200, 0, 255),
+                                        cv::Scalar(0, 0, 200, 255) };
+
+            cv::Mat BgrFrame;
+            cv::cvtColor(InputFrame, BgrFrame, cv::COLOR_YUV420sp2BGR);
+            int thikness = (int) (BgrFrame.cols / (mHistSizeNum + 10) / 5);
+            if(thikness > 5) thikness = 5;
+            int offset = (int) ((BgrFrame.cols - (5*mHistSizeNum + 4*10)*thikness)/2);
+
+            // RGB
+            for (int c=0; c<3; c++)
+            {
+                std::vector<int> hist;
+                cv::calcHist(&BgrFrame, 1, channels[c], cv::Mat(), hist, 1, mHistSize, ranges);
+                cv::normalize(hist, hist, BgrFrame.rows/2, 0, cv::NORM_INF);
+                for(int h=0; h<mHistSizeNum; h++) {
+                    cv::Point mP1, mP2;
+                    mP1.x = mP2.x = offset + (c * (mHistSizeNum + 10) + h) * thikness;
+                    mP1.y = BgrFrame.rows-1;
+                    mP2.y = mP1.y - 2 - (int)hist[h];
+                    cv::line(BgrFrame, mP1, mP2, mColorsRGB[c], thikness);
+                }
+            }
+
+            cv::cvtColor(BgrFrame, OutputFrame, cv::COLOR_BGR2YUV_I420);
+        } break;
+    default:
+        break;
+    }
+
     // Set the data size on the output buffer.
     hr = pOut->SetCurrentLength(m_cbImageSize);
 

samples/winrt/ImageManipulations/C++/MediaExtensions/Grayscale/Grayscale.h

@@ -37,18 +37,18 @@ DEFINE_GUID(CLSID_GrayscaleMFT,
 
 
 // Configuration attributes
+// {698649BE-8EAE-4551-A4CB-3EC98FBD3D86}
+DEFINE_GUID(MFT_IMAGE_EFFECT,
+0x698649be, 0x8eae, 0x4551, 0xa4, 0xcb, 0x3e, 0xc9, 0x8f, 0xbd, 0x3d, 0x86);
 
-// {7BBBB051-133B-41F5-B6AA-5AFF9B33A2CB}
-DEFINE_GUID(MFT_GRAYSCALE_DESTINATION_RECT, 
-0x7bbbb051, 0x133b, 0x41f5, 0xb6, 0xaa, 0x5a, 0xff, 0x9b, 0x33, 0xa2, 0xcb);
 
 enum ProcessingType
 {
-	Preview,
     GrayScale,
     Canny,
-	Zoom,
+    Sobel,
-	Sepia
+    Histogram,
+    InvalidEffect
 };
 
 template <class T> void SafeRelease(T **ppT)