Packageorg.openzoom.flash.viewport.constraints
Classpublic final class ScaleConstraint
ImplementsIViewportConstraint

Provides a way to limit the minimum and maximum scale the scene can reach.


Public Properties
 PropertyDefined by
  maxScale : Number
Maximum scale the scene can reach.
ScaleConstraint
  minScale : Number
Minimum scale the scene can reach.
ScaleConstraint
Public Methods
 MethodDefined by
  
ScaleConstraint()
Constructor.
ScaleConstraint
  
validate(transform:IViewportTransform, target:IViewportTransform):IViewportTransform
Validate the viewport transform by performing transformations until it validates all constraints.
ScaleConstraint
Property detail
maxScaleproperty
maxScale:Number  [read-write]

Maximum scale the scene can reach.

Implementation
    public function get maxScale():Number
    public function set maxScale(value:Number):void
minScaleproperty 
minScale:Number  [read-write]

Minimum scale the scene can reach.

Implementation
    public function get minScale():Number
    public function set minScale(value:Number):void
Constructor detail
ScaleConstraint()constructor
public function ScaleConstraint()

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.