Class: BoxControlHandle

Core.Annotations. BoxControlHandle

A control handle based on the bounding box of the annotation used for resizing.

new BoxControlHandle(width, height, horizontalAlignment, verticalAlignment)

Creates a new box control handle
Parameters:
Name Type Description
width number the width of the handle
height number the height of the handle
horizontalAlignment number the horizontal position of the handle
verticalAlignment number the vertical position of the handle

Extends

Methods


draw(ctx, annotation, selectionBox, zoom)

Draws the control handle's appearance on the provided canvas context
Parameters:
Name Type Description
ctx CanvasRenderingContext2D the annotation canvas context
annotation Core.Annotations.Annotation the annotation to modify
selectionBox Core.Math.Rect the selection rect
zoom number the current zoom level of the document
Inherited From:

testSelection(annotation, selectionBox, zoom, x, y)

Determines if the provided point is a hit on the control handle. See Core.Annotations.SelectionAlgorithm for usuable selection algorithms.
Parameters:
Name Type Description
annotation Core.Annotations.Annotation the annotation
selectionBox Core.Math.Rect the selection rect
zoom number the current zoom level of the document
x number the x-coordinate of the point to test, in page coordinates
y number the y-coordinate of the point to test, in page coordinates
Inherited From:
Returns:
true if the provided point is a hit
Type
boolean