Class VLBasicDrawLayers.TVLDrawTextLayer

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Package: VideoLabAdditionalPkg

Unit: VLBasicDrawLayers

Inherits: TVLDrawXYLayer

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 TVLDrawXYLayer 7 Properties 7.1 Published 8 From TLPDrawLayer 9 Properties 9.1 Published 10 Methods 10.1 Public 11 From TSLComponentItem 12 Properties 12.1 Public 13 Methods 13.1 Public

Syntax

Delphi:

type TVLDrawTextLayer = class( TVLDrawXYLayer )

C++ Builder:

class TVLDrawTextLayer : public TVLDrawXYLayer

Visual C++ (MFC):

class CTVLDrawTextLayer : public CTVLDrawXYLayer

C# (.NET):

public ref class DrawTextLayer : Mitov.VideoLab.DrawXYLayer

Summary

Layer drawing text labels.

Description

Add this layer to draw text over the frames.

Example:

Properties

Published

• Font - Specifies the font of the label.
• Background - Specifies the background of the label.
• Text - Specifies the text of the label.

Methods

Public

• procedure DoLayerBegin(ACanvas : TLPCanvas; AWidth : Integer; AHeight : Integer; AXCoeff : Single; AYCoeff : Single)

From TVLDrawXYLayer

Properties

Published

• X - Specifies the X coordinate offset.
• Y - Specifies the Y coordinate offset.
• CoordinateMode - Specifies the coordinate mode.

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