TGIS_ControlScale class

Visual control for displaying map scale.

Available also on: Delphi FMX | .NET WinForms | Java | ActiveX | Python.

Syntax

// Delphi
type
  [ComponentPlatformsAttribute(pfidWindows)]
  TGIS_ControlScale = class( TCustomPanel, IGIS_Subscribe, IGIS_PrintableControl )
  end;

// C++ Builder
class PASCALIMPLEMENTATION TGIS_ControlScale : public TCustomPanel
{
};

Inheritance

→ TCustomPanel

Implements

IGIS_Subscribe IGIS_PrintableControl

Constructors

Inherited Overrides Protected

	Name	Visibility	Description
	Create	public	Create the control.
	Destroy	public	Destroy the control.

Methods

Inherited Overrides Protected

Name	Visibility	Description
CreateCopy	public	Prepare a copy of the control for printing. _{(Implements IGIS_PrintableControl.CreateCopy)}
Draw	public	Draw scale.
DrawBmp(TBitmap; Double; Integer)	public	Draw control on a provided bitmap.
DrawBmp(TGIS_Bitmap; Double; Integer)	public	Draw control on a provided bitmap.
FreeCopy	public	Release the copy of the control. _{(Implements IGIS_PrintableControl.FreeCopy)}
Invalidate	public	Invalidates contol.
Paint	protected	Paint the control.
PrintBmp	public	Print the control on the given bitmap. _{(Implements IGIS_PrintableControl.PrintBmp)}
PrintClipboard	public	Print control on the clipboard.
SubscribedEvent	public	Subscriber notification event. _{(Implements IGIS_Subscribe.SubscribedEvent)}
Update	public	Update the control.

Properties

Inherited Protected

Name	Visibility	Description
Align	published	Standard VCL property.
Anchors	published	Standard VCL property.
BevelInner	published	Standard VCL property.
BevelOuter	published	Standard VCL property.
BevelWidth	published	Standard VCL property.
Bitmap	public	Bitmap. Valid only if control was created by Create with a parameter.
BorderStyle	published	Standard VCL property.
Color	published	Standard VCL property.
Ctl3D	published	Standard VCL property.
DividerColor1	published	Color of the first divider.
DividerColor2	published	Color of the second divider.
Dividers	published	Number of dividers.
DragCursor	published	Standard VCL property.
DragKind	published	Standard VCL property.
DragMode	published	Standard VCL property.
Enabled	published	Standard VCL property.
Font	published	Standard VCL property.
FullRepaint	published	Standard VCL property.
GIS_Bitmap	public	Bitmap. Valid only if control was created by Create with a parameter.
GIS_Viewer	published	Attached viewer.
Glow	published	Draw "glowing" shadow around scale.
HelpContext	published	Standard VCL property.
Hint	published	Standard VCL property.
InternalName	public	Used for internal use of TatukGIS. _{(Implements IGIS_PrintableControl.InternalName)}
ParentColor	published	Standard VCL property.
ParentCtl3D	published	Standard VCL property.
ParentFont	published	Standard VCL property.
ParentShowHint	published	Standard VCL property.
PopupMenu	published	Standard VCL property.
ShowHint	published	Standard VCL property.
TabOrder	published	Standard VCL property.
TabStop	published	Standard VCL property.
Touch	published	Standard VCL property.
Transparent	published	If True then control will be drawn as transparent.
Units	public	Units used for scale output.
UnitsEPSG	published	Units EPSG code for scale output.
Visible	published	Control visibility.

Events

Inherited Protected

Name	Visibility	Description
OnCanResize	published	Standard VCL event.
OnClick	published	Standard VCL event.
OnContextPopup	published	Standard VCL event.
OnDblClick	published	Standard VCL event.
OnDragDrop	published	Standard VCL event.
OnDragOver	published	Standard VCL event.
OnEndDrag	published	Standard VCL event.
OnEnter	published	Standard VCL event.
OnExit	published	Standard VCL event.
OnGesture	published	Standard VCL event.
OnKeyDown	published	Standard VCL event.
OnKeyPress	published	Standard VCL event.
OnKeyUp	published	Standard VCL event.
OnMouseDown	published	Standard VCL event.
OnMouseMove	published	Standard VCL event.
OnMouseUp	published	Standard VCL event.
OnMouseWheel	published	Standard VCL event.
OnMouseWheelDown	published	Standard VCL event.
OnMouseWheelUp	published	Standard VCL event.
OnResize	published	Standard VCL event.
OnStartDrag	published	Standard VCL event.
PrepareEvent	published	Event fired before calculating scale.

Remarks

Place this component on a form and connect GIS_Viewer to TGIS_ViewerWnd.

Based on TGIS_Viewer.CS units settings the component will try to compute the scale.

TatukGIS Developer Kernel

Table of Contents

TGIS_ControlScale class

Syntax

Inheritance

Implements

Constructors

Methods

Properties

Events

Remarks

TatukGIS Developer Kernel

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Table of Contents

TGIS_ControlScale class

Syntax

Inheritance

Implements

Constructors

Methods

Properties

Events

Remarks

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