Class VLThreshold.TVLThreshold

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Package: VideoLabPkg

Unit: VLThreshold

Inherits: TVLCommonFilter

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 1.4 C# (.NET): 2 Summary 3 Description 4 Properties 4.1 Published 5 From TVLCommonFilter 6 Properties 6.1 Public 7 Methods 7.1 Public 8 Pins 9 From TSLBasicThreadedEnableFilter 10 Properties 10.1 Published 11 From TSLBasicThreadedFilter 12 Properties 12.1 Published

Syntax

Delphi:

type TVLThreshold = class( TVLCommonFilter )

C++ Builder:

class TVLThreshold : public TVLCommonFilter

Visual C++ (MFC):

class CTVLThreshold : public CTVLCommonFilter

C# (.NET):

public ref class TVLThreshold : Mitov.VideoLab.CommonFilter

Summary

Sets the pixels above/bellow a threshold to a color.

Description

The threshold component changes pixel values depending on whether they are less or greater than the specified threshold. The values above the ThresholdTop are set to the ThresholdTop.Value and the values below the ThresholdBottom are set to ThresholdBottom Value. The values between them are left intact.

Diagram:

Properties

Published

• ThresholdTop - Top threshold level, value and other properties.
• ThresholdBottom - Bottom threshold level, value and other properties.

From TVLCommonFilter

Properties

Public

• InputVideoFormat

Methods

Public

• procedure ProcessFrame(Image : IVLImageBuffer)
• procedure ProcessFrame(InImage : IVLImageBuffer; var OutImage : IVLImageBuffer)
• procedure ProcessBitmap(InBitmap : TBitmap; OutBitmap : TBitmap)

Pins

• OutputPin
• InputPin

From TSLBasicThreadedEnableFilter

Properties

Published

• Enabled

From TSLBasicThreadedFilter

Properties

Published

• Threading