ImageFilter (ImageKit Control/ Scan Property)

This property sets the image filter. This property is only enabled when using a custom-built user interface.

[C++Builder] imagekitcontrolname->Scan->ImageFilter [ = short ]

[Delphi] imagekitcontrolname.Scan.ImageFilter [ = Smallint ]

Property Value

Value	Explanation
0	None
1	Automation
2	LOWPASS
3	BANDPASS
4	HIGHPASS

The following constants can be used: vikImageFilterNone = 0, vikImageFilterAuto = 1, vikImageFilterLowPass = 2, vikImageFilterBandPass = 3, vikImageFilterHiPass = 4

Explanation

This property sets the image filter, which can improve image quality. LOWPASS is recommended for haftone images, BANDPASS for images that include text, and HIGHPASS for images that include lines. The ImageFilter property is enabled whent the UiMode property is vikScanNONUI. Note that the ImageFilter property is disabled when using a digital camera or when the datasource does not support this functionality. To retrieve the values supported, please execute the GetCapEnumToFloat method.

Setting this value

This value can be set at runtime.

Retrieving this value

This value cannot be retrieved.

Differences between the ImageKit7/8/9/10

In VCL the constants contain a "v". In ActiveX, the constants are: ikImageFilterNone, ikImageFilterAuto, ikImageFilterLowPass, ikImageFilterBandPass, ikImageFilterHiPass