UWP: Add disable autofocus support

Redth · Oct 24, 2017 · 1c7dacf · 1c7dacf
1 parent c37890c
commit 1c7dacf
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/Source/ZXing.Net.Mobile.WindowsUniversal/ZXingScannerControl.xaml.cs b/Source/ZXing.Net.Mobile.WindowsUniversal/ZXingScannerControl.xaml.cs
@@ -379,6 +379,15 @@ private async Task SetupAutoFocus()
                 var focusControl = mediaCapture.VideoDeviceController.FocusControl;
 
                 var focusSettings = new FocusSettings();
+
+                if (ScanningOptions.DisableAutofocus)
+                {
+                    focusSettings.Mode = FocusMode.Manual;
+                    focusSettings.Distance = ManualFocusDistance.Nearest;
+                    focusControl.Configure(focusSettings);
+                    return;
+                }
+
                 focusSettings.AutoFocusRange = focusControl.SupportedFocusRanges.Contains(AutoFocusRange.FullRange)
                     ? AutoFocusRange.FullRange
                     : focusControl.SupportedFocusRanges.FirstOrDefault();
@@ -437,6 +446,9 @@ public async void AutoFocus (int x, int y)
 
         public async Task AutoFocusAsync(int x, int y, bool useCoordinates)
         {
+            if (ScanningOptions.DisableAutofocus)
+                return;
+
             if (IsFocusSupported)
             {
                 var focusControl = mediaCapture.VideoDeviceController.FocusControl;