Class ZoomCommand

Zoom command.

Example

viewer.executeCommand(new ZoomCommand( { mode: 0, factor: 0.5 }, { mode: 0, factor: 1.0 } ));

Implements

UndoCommandSupport

Constructors

constructor

new ZoomCommand(
settings: ZoomSettings,
prevSettings?: ZoomSettings,
): ZoomCommand
Constructor
Parameters
- settings: ZoomSettings
  new zoom settings.
- OptionalprevSettings: ZoomSettings
  optional, previous zoom settings.
Returns ZoomCommand

Methods

execute

execute(viewer: ImageViewerAPI): Promise<void>
Action implementation.
Parameters
- viewer: ImageViewerAPI
Returns Promise<void>
Implementation of UndoCommandSupport.execute

undo

undo(viewer: ImageViewerAPI): Promise<void>
Undo action implementation.
Parameters
- viewer: ImageViewerAPI
Returns Promise<void>
Implementation of UndoCommandSupport.undo

Properties

name

name: "Zoom"

Optional. The unique name of the command. Used by the undo.skipCommands option setting.