add freeze button

chuni-hands/Config.cs

@@ -1,4 +1,6 @@
-namespace chuni_hands {
+using Newtonsoft.Json;
+
+namespace chuni_hands {
     public sealed class Config : Helpers.PropertyChangedInvoker {
         static Config() {
             Helpers.PatchNotifyPropertyChanged<Config>();
@@ -19,5 +21,8 @@
         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;
+
+        [JsonIgnore]
+        public bool FreezeVideo { get; set; }
     }
 }

chuni-hands/MainWindow.xaml

@@ -39,6 +39,7 @@
                 </DockPanel>
                 <Button x:Name="CenterButton" Click="CenterButton_Click">Center</Button>
                 <CheckBox IsChecked="{Binding Path=LogDiff, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">Log diff</CheckBox>
+                <ToggleButton IsChecked="{Binding Path=FreezeVideo, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">Freeze</ToggleButton>
             </StackPanel>
             
             <RichTextBox DockPanel.Dock="Bottom" x:Name="LogBox">

chuni-hands/MainWindow.xaml.cs

@@ -118,11 +118,15 @@ namespace chuni_hands {
             var bootstrapFrames = _config.BootstrapSeconds * _config.Fps;
 
             while (!_closing) {
-                _capture.Read(_mat);
                 if (bootstrapFrames > 0) {
+                    _capture.Read(_mat);
                     --bootstrapFrames;
                 }
                 else {
+                    if (!_config.FreezeVideo) {
+                        _capture.Read(_mat);
+                    }
+
                     Dispatcher?.BeginInvoke(new Action(FrameUpdate));
                 }