Twain: Always set ICAP_BITDEPTH

The spec recommends always setting ICAP_PIXELTYPE and ICAP_BITDEPTH as there is no guaranteed default value. (thanks Alec Skelly)
cyanfish · Mar 18, 2024 · b4dc656 · b4dc656
1 parent fc58f48
commit b4dc656
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/NAPS2.Sdk/Scan/Internal/Twain/TwainScanRunner.cs b/NAPS2.Sdk/Scan/Internal/Twain/TwainScanRunner.cs
@@ -379,9 +379,11 @@ private void ConfigureSource(DataSource source)
                 break;
             case BitDepth.Grayscale:
                 source.Capabilities.ICapPixelType.SetValue(PixelType.Gray);
+                source.Capabilities.ICapBitDepth.SetValue(8);
                 break;
             case BitDepth.BlackAndWhite:
                 source.Capabilities.ICapPixelType.SetValue(PixelType.BlackWhite);
+                source.Capabilities.ICapBitDepth.SetValue(1);
                 break;
         }