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WIA_IPS_COLOR_DROP

The WIA_IPS_COLOR_DROP property is used to configure color filtering for the image data acquired from the hardware device. The WIA minidriver creates and maintains this property.

Property Type: VT_I4

Valid Values: WIA_PROP_LIST

Access Rights: Read/Write

Remarks

The following table describes the valid values for the WIA_IPS_COLOR_DROP property.

ValueDefinition

WIA_COLOR_DROP_DISABLED

Color drop is disabled. This is the required default value if the property is supported.

WIA_COLOR_DROP_RED

The Red channel is dropped in the amount described by WIA_IPS_COLOR_DROP_RED.

WIA_COLOR_DROP_GREEN

The Green channel is dropped in the amount described by WIA_IPS_COLOR_DROP_GREEN.

WIA_COLOR_DROP_BLUE

The Blue channel is dropped in the amount described by WIA_IPS_COLOR_DROP_BLUE.

WIA_COLOR_DROP_RGB

The Red, Green, and/or Blue channels are dropped in the amounts specified by WIA_IPS_COLOR_DROP_RED, WIA_IPS_COLOR_DROP_GREEN, and WIA_IPS_COLOR_DROP_BLUE.

 

This property is valid for all programmable image data source items, including Flatbed (WIA_CATEGORY_FLATBED) and Feeder (WIA_CATEGORY_FEEDER) and is optional. When the property is supported, WIA_COLOR_DROP_DISABLED is the required default value.

Requirements

Header

Wiadef.h (include Wiadef.h)

 

 

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