Class SLScope.TSLBasicDisplayXAxis

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Package: SignalLabScopePkg

Unit: SLScope

Inherits: TSLDisplayAxis

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 Public 5 Methods 5.1 Public 6 From TSLDisplayAxis 7 Properties 7.1 Published 7.2 Public 8 Methods 8.1 Public 9 Pins 10 Events 11 From TSLTrackingOptionalAxis 12 Properties 12.1 Published 13 Events 14 From TSLOptionalView 15 Properties 15.1 Published 16 From TSLCustomSizeDisplayView 17 Properties 17.1 Published 18 From TSLCustomColorDisplayView 19 Properties 19.1 Published 20 From TSLDisplayView 21 Properties 21.1 Public 22 Methods 22.1 Public 23 From TSLDisplayComponent 24 Properties 24.1 Public 25 From TLPPersistent 26 Methods 26.1 Public

Syntax

Delphi:

type TSLBasicDisplayXAxis = class( TSLDisplayAxis )

C++ Builder:

class TSLBasicDisplayXAxis : public TSLDisplayAxis

Visual C++ (MFC):

class CTSLBasicDisplayXAxis : public CTSLDisplayAxis

C# (.NET):

public ref class TSLBasicDisplayXAxis : Mitov.PlotLab.DisplayAxis

Summary

Basic abstract class for visual data X axis.

Description

This is a base class for data view for visual data X axis in Scopes or Waterfall components. The Axes are created internally by the data displays. Do not make instances of this class or its descendants.

Properties

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)

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 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)

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.

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

• 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

From TLPPersistent

Methods

Public

• procedure OwnerNameChanged(AOldName : String; ANewName : String)