Class SLScope.TSLScopeXAxis

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Revision as of 00:11, 26 June 2013

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Package: SignalLabScopePkg

Unit: SLScope

Inherits: TSLBasicScopeXAxis

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 TSLBasicScopeXAxis 6 Properties 6.1 Published 7 Methods 7.1 Public 8 From TSLDisplayXAxis 9 Properties 9.1 Published 10 From TSLBasicDisplayXAxis 11 Properties 11.1 Published 11.2 Public 12 Methods 12.1 Public 13 From TSLDisplayAxis 14 Properties 14.1 Published 14.2 Public 15 Methods 15.1 Public 16 Pins 17 Events 18 From TSLTrackingOptionalAxis 19 Properties 19.1 Published 20 Events 21 From TSLOptionalView 22 Properties 22.1 Published 23 Methods 23.1 Public 24 From TSLCustomSizeDisplayView 25 Properties 25.1 Published 26 From TSLCustomColorDisplayView 27 Properties 27.1 Published 28 From TSLDisplayView 29 Properties 29.1 Public 30 Methods 30.1 Public 31 From TSLDisplayComponent 32 Properties 32.1 Public 33 Methods 33.1 Public 34 From TLPPersistent 35 Methods 35.1 Public

Syntax

Delphi:

type TSLScopeXAxis = class( TSLBasicScopeXAxis )

C++ Builder:

class TSLScopeXAxis : public TSLBasicScopeXAxis

Visual C++ (MFC):

class CTSLScopeXAxis : public CTSLBasicScopeXAxis

C# (.NET):

public ref class TSLScopeXAxis : Mitov.PlotLab.BasicScopeXAxis

Summary

Scope X Axis class.

Description

Defines visual X axis for the Scope components. The Axes are created internally by the data displays. Do not make instances of this class or its descendants.

Example:

Properties

Published

• AdditionalAxes - Collection of additional Axes.

From TSLBasicScopeXAxis

Properties

Published

• TicksMode - Specifies how the values for the ticks will be calculated.
• CursorSettings - Specifies the behavior of the cursors for the axis.
• UnitScale - Specifies the way the units scaling will be done - Hz, KHz, MHz etc.
• MaxSample - Specifies the way the Max sample of the axis will be calculated.
• DataView - Specifies the way the axis lines will be drawn in the data view.

Methods

Public

• function ScaleToSample(AValue : Real) : Real - Converts from axis scale to sample value.
• procedure IntZoom(AValue : Real; Operation : TSLZoomOperation)
• function GetAxisLabelText() : String

From TSLDisplayXAxis

Properties

Published

• ScaleMode - Specifies the scale mode - logarithmic or linear.

From TSLBasicDisplayXAxis

Properties

Published

• Align

Public

• Samples - Count of samples shown for each channel.

Methods

Public

• procedure Draw(ADrawPart : TSLDisplayDrawPart; ACanvas : TLPCanvas; Vertical : Boolean; Printing : Boolean)
• procedure DrawEx(ADrawPart : TSLDisplayDrawPart; ACanvas : TLPCanvas; Vertical : Boolean)
• function GetAxisLabelText() : String

From TSLDisplayAxis

Properties

Published

• Format - Specifies the format of the axis labels.
• Color - Specifies the color for the axis ticks.
• Font - Specifies the font for the axis values.
• ToolBar - Specifies the behavior of the axis toolbar.
• Button - Specifies the appearance and the behavior of the Axis button.
• Min - Specifies the Minimal value shown on the axis if the AutoScale is not set to true.
• Max - Specifies the Maximal value shown on the axis if the AutoScale is not set to true.
• Zooming - Specifies the behavior of the axis zooming.
• AxisLabel - Specifies the appearance of the axis label.

Public

• CurrentMax - Current Max value in the axis.
• CurrentMin - Current Min value in the axis.
• AssociatedChannels - List of channels associated with the axis.
• Step - Current Ticks Step value of the axis.

Methods

Public

• procedure ZoomBy(AValue : Real) - Zooms by Value.
• procedure ZoomBy(AValue : Real; SaveHistory : Boolean) - Zooms by Value. Allows optionally the zoom history to be saved for Undo.
• procedure ZoomTo(AMin : Real; AMax : Real) - Zooms to show the range between YMin and YMax.
• procedure ZoomTo(AMin : Real; AMax : Real; SaveHistory : Boolean) - Zooms to show the range between YMin and YMax. Allows optionally the zoom history to be saved for Undo.
• procedure ZoomToData(AMin : Real; AMax : Real) - Zooms to show the range between YMin and YMax based on the data scaling.
• procedure ZoomToData(AMin : Real; AMax : Real; SaveHistory : Boolean) - Zooms to show the range between YMin and YMax based on the data scaling. Allows optionally the zoom history to be saved for Undo.
• procedure SetTickText(AValue : PChar) - Provides a new TickText value( Visual C++ (MFC/Win32) only ).
• function GetAxisLabelText() : String
• function GetValueAt(X : Integer; Y : Integer; var AxisPos : Real) : Boolean - Returns the axis value at X, Y position.
• function ScaleToPixel(AValue : Real) : Integer - Converts a scale value to pixel position.
• function PixelToScale(APosition : Integer) : Real - Converts a pixel position to scale value.
• procedure IntZoom(AValue : Real; Operation : TSLZoomOperation)
• procedure Draw(ADrawPart : TSLDisplayDrawPart; ACanvas : TLPCanvas; Vertical : Boolean; Printing : Boolean)
• procedure ButtonHitTest(X : Integer; Y : Integer; AForceInvalidate : Boolean)
• function GetOwner() : TPersistent

Pins

• ZoomPin - Axis zooming state pin.

Events

• OnCustomLabel - Occurs when a label is in about to be painted.

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 QueryInterface(IID : TGUID; Obj : TObject) : HResult
• function GetOwner() : TPersistent
• procedure OwnerNameChanged(AOldName : String; ANewName : String)