THotPDF.MeasureLayoutElement Method
Measures a reusable layout element against immutable page constraints without exposing a drawing surface
Declaration
function MeasureLayoutElement(Element: THPDFLayoutElement; AvailableWidth, AvailableHeight: Single): THPDFLayoutMeasurement;Unit
HPDFDoc
Parameters
| Name | Purpose |
|---|---|
Element | Caller-owned reusable layout element to measure |
AvailableWidth | Maximum width available in current document units |
AvailableHeight | Maximum height available in current document units |
Return value
Returns validated dimensions, split capability and the centrally computed fit result
Usage notes
- Measure receives only immutable constraints and cannot draw through a page or document parameter
- Negative dimensions returned by a custom element are rejected