Twain.GetShadow
---------------

Queries which value in an image should be interpreted as the darkest shadow.

| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
|---|---|---|---|---|---|---|
| [Twain](component_Twain.md) | [3.5](newinversion35.md) | ✅ Yes | ✅ Yes | ❌ No | ❌ No | ❌ No |

MBS( "Twain.GetShadow" ) ### Parameters

none

### Result

Returns the value.

### Description

Queries which value in an image should be interpreted as the darkest shadow.   
All values darker then this value will be clipped to this value.  
  
Whether darker values are smaller or larger can be determined by examining the Current value of PixelFlavor.  
Source  
  
If more or less than 8 bits are used to describe the image, the actual data values should be normalized to fit within the 0-255 range. The normalization need not result in a homogeneous distribution if the original distribution was not homogeneous.  
Plugin uses value -10000 for undefined/default.  
### See also

- [Twain.SetShadow](TwainSetShadow.md)

This function is free to use.

Created 18th August 2014 , last changed 3th April 2021

  
[Twain.GetResolutionY](TwainGetResolutionY.md) - [Twain.GetUIVisible](TwainGetUIVisible.md)

[HTML Version](TwainGetShadow.shtml)