Namespace: Utilities

Methods

---

<static> calculateAutoFontSize(freeTextSubset)

Calculates an automatic font size for a FreeText annotation using its smallest quad height

Parameters:

Name	Type	Description
freeTextSubset	Core.Annotations.Utilities.FreeTextSubset	Minimal FreeText data used for sizing

Returns:

Auto font size (string with "pt" suffix when adjusted)

Type

string | number

---

<static> setAnnotationSubjectHandler(func)

Overrides the internal annotation subject resolution logic

Parameters:

Name	Type	Description
func	Core.Annotations.Utilities.AnnotationSubjectHandler	Callback receiving a type and returning a subject string

Type Definitions

---

AnnotationSubjectHandler(type)

Callback used to resolve a user‑facing subject string for an annotation type

Parameters:

Name	Type	Description
type	string	Internal annotation type key (e.g. 'arrow', 'callout', 'freetext', 'polygon')

Returns:

Subject string to display (e.g. 'Arrow', 'FreeText', 'Polygon')

Type

string

---

FreeTextSubset

Type:

• Object

Properties:

Name	Type	Argument	Description
FontSize	string | number		Base font size for the annotation (e.g., 12 or "12pt")
Quads	Array.<{y1: number, y3: number}>	<optional>	Annotation quads; the smallest y1 - y3 is used to derive the max allowable font size