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Class ZoomConstraint
 
Packageorg.openzoom.flash.viewport.constraints
Classpublic final class ZoomConstraint
ImplementsIViewportConstraint

Provides a way to limit the minimum and maximum zoom the viewport can reach.


Public Properties
 PropertyDefined by
  maxZoom : Number
Maximum zoom the viewport can reach.
ZoomConstraint
  minZoom : Number
Minimum zoom the viewport can reach.
ZoomConstraint
Public Methods
 MethodDefined by
  
ZoomConstraint()
Constructor.
ZoomConstraint
  
validate(transform:IViewportTransform, target:IViewportTransform):IViewportTransform
Validate the viewport transform by performing transformations until it validates all constraints.
ZoomConstraint
Property detail
maxZoomproperty
maxZoom:Number  [read-write]

Maximum zoom the viewport can reach.

Implementation
    public function get maxZoom():Number
    public function set maxZoom(value:Number):void
minZoomproperty 
minZoom:Number  [read-write]

Minimum zoom the viewport can reach.

Implementation
    public function get minZoom():Number
    public function set minZoom(value:Number):void
Constructor detail
ZoomConstraint()constructor
public function ZoomConstraint()

Constructor.

Method detail
validate()method
public function validate(transform:IViewportTransform, target:IViewportTransform):IViewportTransform

Validate the viewport transform by performing transformations until it validates all constraints.

Parameters
transform:IViewportTransform — IViewportTransform object to be validated.
 
target:IViewportTransform — IViewportTransform object that represents the last validated transform.

Returns
IViewportTransform — Validated IViewportTransform object.