hitTest Method (AnnPointerObject)
Summary
Performs hit-testing on this AnnPointerObject.
Syntax
JavaScript Syntax
AnnPointerObject.prototype.hitTest = function(point, hitTestBuffer)TypeScript Syntax
hitTest(point: LeadPointD, hitTestBuffer: number): boolean;Parameters
point
The LeadPointD to be tested.
hitTestBuffer
Threshold buffer value, in pixels.
Return Value
A value that represents the hit-test value; or null if the test point is not on top of this AnnObject.
Remarks
The point should be in physical coordinates.
The hitTestBuffer is used to make the test point "bigger" to compensate for errors and provide smoother hit-testing. For example, if buffer is 2, a square with a length of 4 pixels around testPoint will be used to perform the hit-testing.
By default, an annotation object will return true if hit-testing was satisfied. Derived objects can override this method to fine tune the return value.
Requirements
See Also
Reference
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Annotations.Core Assembly
