TGIS_ControlScale class

Visual control for displaying map scale.

Syntax

// Java
public class TGIS_ControlScale extends JComponent implements IGIS_Subscribe, IGIS_PrintableControl {
};

// Oxygene
type
  TGIS_ControlScale = public class( JComponent, IGIS_Subscribe, IGIS_PrintableControl )
  end;

→ JComponent

Inherited Overrides Protected

	Name	Visibility	Description
	TGIS_ControlScale()	public	Create the control.

Inherited Overrides Protected

Name	Visibility	Description
CreateCopy	public	Prepare a copy of the control for printing. _{(Implements IGIS_PrintableControl.CreateCopy)}
doCreate	protected	Create form.
Draw	public	Draw scale.
DrawBmp	public	Draw control on a provided bitmap.
FreeCopy	public	Release the copy of the control. _{(Implements IGIS_PrintableControl.FreeCopy)}
paintComponent	protected
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.

Inherited Protected

Name	Visibility	Description
Bitmap	public	Bitmap. Valid only if control was created by Create with a parameter.
DividerColor1	public	Color of the first divider.
DividerColor2	public	Color of the second divider.
Dividers	public	Number of dividers.
GIS_Viewer	public	Attached viewer.
Glow	public	Draw "glowing" shadow around scale.
InternalName	public	Used for internal use of TatukGIS. _{(Implements IGIS_PrintableControl.InternalName)}
Transparent	public	If True then control will be drawn as transparent.
Units	public	Units used for scale output.
UnitsEPSG	public	Units EPSG code for scale output.
Visible	public	Turn control on/off.

Inherited Protected

	Name	Visibility	Description
	PrepareEvent	public	Event fired before calculating scale.

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.