rearranging and figuring out pseudocode for controls

Author: linnealovespie

Samples/FNSCandyStyleTransfer/UWP/cs/MainPage.xaml.cs

@@ -373,6 +373,7 @@ private async void UIButtonFilePick_Click(object sender, RoutedEventArgs e)
                 {
                     // Load image to VideoFrame
                     inputFrame = await ImageHelper.LoadVideoFrameFromFilePickedAsync();
+                    _inputFrame = inputFrame;
                 }
                 if (inputFrame == null)
                 {

Samples/StyleTransfer/AppModel.cs

@@ -7,13 +7,19 @@
 using System.Runtime.InteropServices.WindowsRuntime;
 using System.Text;
 using System.Threading.Tasks;
+using Windows.Media;
 using Windows.Media.Core;
 
 namespace StyleTransfer
 {
     class AppModel : INotifyPropertyChanged
     {
-        private string _modelSource; // Not initialized vs. have a default model to use? 
+        public AppModel()
+        {
+            this._useGPU = true;
+        }
+
+        private string _modelSource;
         public string ModelSource
         {
             get { return _modelSource; }
@@ -46,16 +52,22 @@ public bool UseGPU
             }
         }
 
-        public event PropertyChangedEventHandler PropertyChanged;
-        private void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        // In AppModel or in AppViewModel?
+        private VideoFrame _outputFrame;
+        public VideoFrame OutputFrame
         {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+            get { return _outputFrame; }
+            set
+            {
+                _outputFrame = value;
+                OnPropertyChanged();
+            }
         }
 
-        public AppModel()
+        public event PropertyChangedEventHandler PropertyChanged;
+        private void OnPropertyChanged([CallerMemberName] string propertyName = null)
         {
-            this._useGPU = true;
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }
-
     }
 }

Samples/StyleTransfer/AppViewModel.cs

@@ -12,6 +12,14 @@ namespace StyleTransfer
 {
     class AppViewModel : INotifyPropertyChanged
     {
+        public AppViewModel()
+        {
+            _appModel = new AppModel();
+            // TODO: Add a param to check if have an image to save. 
+            SaveCommand = new RelayCommand(this.SaveOutput);
+            MediaSourceCommand = new RelayCommand<string>(SetMediaSource);
+        }
+
         private AppModel _appModel;
         public AppModel CurrentApp
         {
@@ -31,22 +39,21 @@ public ICommand SaveCommand
         public ICommand MediaSourceCommand { get; set; }
 
         public event PropertyChangedEventHandler PropertyChanged;
-        public AppViewModel()
-        {
-            _appModel = new AppModel();
-            // TODO: Add a param to check if have an image to save
-            SaveCommand = new RelayCommand(this.SaveOutput);
-            MediaSourceCommand = new RelayCommand<string>(SetMediaSource);
-        }
 
         public void SaveOutput()
         {
+            // TODO: Take from UIButtonSaveImage_Click
             return;
         }
         public void SetMediaSource(object obj)
         {
-            // TODO: Convert to a better value for the appModel object here 
+            // TODO: Convert to a better value for the appModel object here. 
             _appModel.InputMediaSource = obj.ToString();
+
+            // If video source, whole different code flow
+
+            // If camera/image upload, gather input image then put to eval/render
+            // If source == upload --> HelperMethods::LoadVideoFrameFromFilePickedAsync
             return;
         }
     }

Samples/StyleTransfer/MainPage.xaml

@@ -175,13 +175,14 @@ Copyright (C) Microsoft Corporation. All rights reserved.
         </Viewbox>
 
         <!-- Camera preview -->
-        <MediaPlayerElement Name="UIMediaPlayerElement"
-                        Stretch="Uniform"
-                        AreTransportControlsEnabled="False"
-                        Canvas.ZIndex="-1"
-                        MaxWidth="720"
-                        MaxHeight="720"
-                        Grid.Column="0"/>
+        <MediaPlayerElement
+          Name="UIMediaPlayerElement"
+          Stretch="Uniform"
+          AreTransportControlsEnabled="False"
+          Canvas.ZIndex="-1"
+          MaxWidth="720"
+          MaxHeight="720"
+          Grid.Column="0"/>
 
         <!-- Input image preview -->
         <Image Name="UIInputImage"

Samples/StyleTransfer/RelayCommand.cs

@@ -121,7 +121,6 @@
     </Compile>
     <Compile Include="AppModel.cs" />
     <Compile Include="AppViewModel.cs" />
-    <Compile Include="RelayCommand.cs" />
     <Compile Include="MainPage.xaml.cs">
       <DependentUpon>MainPage.xaml</DependentUpon>
     </Compile>