Class SLLevelDisplay.TSLBasicLevelDisplayLevelView

Revision as of 17:19, 18 October 2012

This is a Beta Read Only version of this page. Please review and send recommendations to mitov@mitov.com. We will enable the editing as soon as we are happy with the overall Wiki site.

Package: SignalLabScopePkg

Unit: SLLevelDisplay

Inherits: TSLTrackingOptionalAxis

Syntax

Delphi:

type TSLBasicLevelDisplayLevelView = class( TSLTrackingOptionalAxis )

C++ Builder:

class TSLBasicLevelDisplayLevelView : public TSLTrackingOptionalAxis

Visual C++ (MFC):

class CTSLBasicLevelDisplayLevelView : public CTSLTrackingOptionalAxis

C# (.NET):

public ref class TSLBasicLevelDisplayLevelView : Mitov.PlotLab.TrackingOptionalAxis

Summary

Basic abstract class for level display views

Description

Defines a basic abstract class for level display views.

Properties

Published

• BarWidth - Specifies the width of the color bar.
• GrayScale - Specifies Gray scale or color data view.
• Colors - Collection of alternative colors to be used by the level axis.

Public

• Step

Methods

Public

• function GetOwner() : TPersistent
• function ValueToColor(AValue : Real; MaxValue : Real) : TLPControlColor
• function ValueToColorGBR(AValue : Real; MaxValue : Real) : TLPControlColor
• function GetTickText(AValue : Real) : String
• procedure MainViewScrolled(ForceInvalidate : Boolean)
• procedure Draw(ADrawPart : TSLDisplayDrawPart; Canvas : TLPCanvas; Vertical : Boolean; Printing : Boolean)
• procedure DrawEx(ADrawPart : TSLDisplayDrawPart; Canvas : TLPCanvas; Vertical : Boolean)
• procedure ButtonHitTest(X : Integer; Y : Integer; AForceInvalidate : Boolean)

From TSLTrackingOptionalAxis

Properties

Published

• TrackCursor - Enables/Disables the track hair in the axis.
• TrackColor - Specifies the color of the track hair in the axis.
• MinorTicks - Specifies the visual appearance of minor ticks in the axis scale.
• MajorTicks - Specifies the visual appearance of major ticks in the axis scale.

Events

• OnCustomStep - Occurs when a step(distance) is needed for plotting the next tick of the axis grid.

From TSLOptionalView

Properties

Published

• Visible - Specifies whether or not the viw is visible.

Methods

Public

• function IsVisible() : Boolean
• function IsVisibleForced() : Boolean

From TSLCustomSizeDisplayView

Properties

Published

• ViewSize - Specifies the way the view size will be calculated.
• Align - Specifies the desired alignment for the view (Left, Right, Top, Bottom etc.)

From TSLCustomColorDisplayView

Properties

Published

• Background - Specifies the background settings.

From TSLDisplayView

Properties

Public

• Height - Use this property to get the Height of the view in pixels.
• Width - Use this property to get the Width of the view in pixels.
• Top - Use this property to get the Top position of the view in pixels.
• Left - Use this property to get the Left position of the view in pixels.
• DefaultRect

Methods

Public

• function IsVisible() : Boolean
• function IsVisibleForced() : Boolean
• function GetIntValueAt(X : Integer; Y : Integer) : Real
• function GetMinValue() : Real
• function GetMaxValue() : Real
• procedure Draw(ADrawPart : TSLDisplayDrawPart; ACanvas : TLPCanvas; Vertical : Boolean; Printing : Boolean)
• procedure DrawEx(ADrawPart : TSLDisplayDrawPart; ACanvas : TLPCanvas; Vertical : Boolean)
• procedure DrawMouseSelction(ACanvas : TLPCanvas)

From TSLDisplayComponent

Properties

Public

• DrawRect

Methods

Public

• function IsVisible() : Boolean
• function GetOwner() : TPersistent

From TLPPersistent

Methods

Public

• function GetOwner() : TPersistent
• procedure OwnerNameChanged(AOldName : String; ANewName : String)