add video option

chuni-hands/ChuniCanvas.cs

@@ -17,6 +17,14 @@ namespace chuni_hands {
         public static readonly DependencyProperty ImageProperty =
             DependencyProperty.Register("Image", typeof(ImageSource), typeof(ChuniCanvas), new PropertyMetadata(null));
 
+        public bool DrawImage {
+            get { return (bool)GetValue(DrawImageProperty); }
+            set { SetValue(DrawImageProperty, value); }
+        }
+
+        public static readonly DependencyProperty DrawImageProperty =
+            DependencyProperty.Register("DrawImage", typeof(bool), typeof(ChuniCanvas), new PropertyMetadata(false));
+
         protected override void OnRender(DrawingContext dc) {
             base.OnRender(dc);
 
@@ -29,8 +37,14 @@ namespace chuni_hands {
             factor = Math.Min(factor, ActualHeight / image.Height);
             var paddingX = (ActualWidth - image.Width * factor) / 2;
             var paddingY = (ActualHeight - image.Height * factor) / 2;
+            var imageRect = new Rect(paddingX, paddingY, image.Width * factor, image.Height * factor);
 
-            dc.DrawImage(image, new Rect(paddingX, paddingY, image.Width * factor, image.Height * factor));
+            if (DrawImage) {
+                dc.DrawImage(image, imageRect);
+            }
+            else {
+                dc.DrawRectangle(Brushes.LightGray, null, imageRect);
+            }
         }
     }
 }

chuni-hands/Config.cs

@@ -18,5 +18,6 @@
         public bool LogDiff { get; set; }
         public string SendKeyMode { get; set; } = "be";
         public string EndPoint { get; set; } = "http://10.233.3.22:4420/update_air";
+        public bool ShowVideo { get; set; } = true;
     }
 }

chuni-hands/MainWindow.xaml

@@ -7,18 +7,19 @@
         mc:Ignorable="d" x:Name="TheWindow"
         Title="chuni-hands" Height="720" Width="1280"
         Loaded="Window_Loaded" Closing="Window_Closing">
-    <Grid>
+    <Grid DataContext="{Binding ElementName=TheWindow, Path=Config}">
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="5*"></ColumnDefinition>
             <ColumnDefinition Width="*"></ColumnDefinition>
         </Grid.ColumnDefinitions>
 
         <Grid Grid.Column="0" Margin="12">
-            <local:ChuniCanvas x:Name="TheCanvas"></local:ChuniCanvas>
+            <local:ChuniCanvas x:Name="TheCanvas" DrawImage="{Binding Path=ShowVideo}"></local:ChuniCanvas>
         </Grid>
-        <DockPanel Grid.Column="1" LastChildFill="True" DataContext="{Binding ElementName=TheWindow, Path=Config}">
+        <DockPanel Grid.Column="1" LastChildFill="True">
             <StackPanel DockPanel.Dock="Top" Margin="12">
                 <Button x:Name="ResetButton" Click="ResetButton_Click">Reset</Button>
+                <CheckBox IsChecked="{Binding Path=ShowVideo, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">Video</CheckBox>
                 <DockPanel LastChildFill="True">
                     <TextBlock DockPanel.Dock="Left">Threshold</TextBlock>
                     <Button DockPanel.Dock="Right" x:Name="SetThresholdButton" Click="SetThresholdButton_Click">Set</Button>