THotPDF.MeasureLayoutElement Method
Measures a reusable layout element against immutable page constraints without exposing a drawing surface
Déclaration
function MeasureLayoutElement(Element: THPDFLayoutElement; AvailableWidth, AvailableHeight: Single): THPDFLayoutMeasurement;
Unité
HPDFDoc
Paramètres
| Nom | Objectif |
|---|---|
Element | Caller-owned reusable layout element to measure |
AvailableWidth | Maximum width available in current document units |
AvailableHeight | Maximum height available in current document units |
Valeur de retour
Returns validated dimensions, split capability, and the centrally computed fit result
Notes d'utilisation
- Measure receives only immutable constraints and cannot draw through a page or document parameter
- Negative dimensions returned by a custom element are rejected