Class VLDrawFilterLayers.TVLDrawFilterLayer

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Package: VideoLabBasicPkg

Unit: VLDrawFilterLayers

Inherits: TLPDrawLayer

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 Methods 5.1 Public 6 From TLPDrawLayer 7 Properties 7.1 Published 8 Methods 8.1 Public 9 From TSLComponentItem 10 Properties 10.1 Public 11 Methods 11.1 Public

Syntax

Delphi:

type TVLDrawFilterLayer = class( TLPDrawLayer, IVLDrawFilterItem )

C++ Builder:

class TVLDrawFilterLayer : public TLPDrawLayer

Visual C++ (MFC):

class CTVLDrawFilterLayer : public CTLPDrawLayer

C# (.NET):

public ref class DrawFilterLayer : Mitov.VideoLab.DrawLayer

Summary

Abstract base class for filtering drawing layers.

Description

This abstract filter class provides some basic support for filtering drawing layers. Do not use this class directly.

Properties

Published

• AssociatedLayers - Collection of associated layers to apply the effect on.

Methods

Public

• procedure DoSizeRate(AWidth : Integer; AHeight : Integer; AVideoFormat : TVLVideoFormat; AFrameDelay : Integer; AInterlaceFlags : Cardinal)
• procedure DoFilter(var OutValue : IVLImageBuffer)

From TLPDrawLayer

Properties

Published

• Visible

Methods

Public

• function GetHasEnable() : Boolean
• function GetCanDisable() : Boolean
• procedure DoLayerBegin(ACanvas : TLPCanvas; AWidth : Integer; AHeight : Integer; AXCoeff : Single; AYCoeff : Single)
• procedure DoLayerEnd()
• procedure DoLayerDraw(ACanvas : TLPCanvas; AWidth : Integer; AHeight : Integer; AXCoeff : Single; AYCoeff : Single; AContoursOnly : Boolean)
• procedure DoLayerMouseMove(AShift : TShiftState; AX : Integer; AY : Integer)
• procedure DoLayerMouseDown(Button : TMouseButton; Shift : TShiftState; X : Integer; Y : Integer)
• procedure DoLayerMouseUp(Button : TMouseButton; Shift : TShiftState; X : Integer; Y : Integer)
• procedure DoLayerMouseWheelDown(AShift : TShiftState; AX : Integer; AY : Integer)
• procedure DoLayerMouseWheelUp(AShift : TShiftState; AX : Integer; AY : Integer)
• procedure DoLayerMouseEnter()
• procedure DoLayerMouseLeave()
• function GetChachedData(ALink : TObject) : TObject
• procedure SetChachedData(ALink : TObject; AData : TObject)
• function GetOperations() : TLPDrawLayerOperations
• procedure AddLayerLink(ALink : TLPLayerCollectionItem)
• procedure RemoveLayerLink(ALink : TLPLayerCollectionItem)
• function GetName() : String
• function WriteLock() : IOWLockSection

From TSLComponentItem

Properties

Public

• Index
• ComponentList

Methods

Public

• function GetParentComponent() : TComponent
• function HasParent() : Boolean
• function GetOwnerList() : TSLComponentItems
• function GetHasEnable() : Boolean
• function GetCanDisable() : Boolean