pdfGetZoom

Get the current zoom factor.
double pdfGetZoom(PDFViewerHandle viewer)
This function returns the current zoom factor. The returned value will be same value last passed to pdfSetZoom, so it can be a percentage factor or one of the special values, pdfZoomPage or pdfZoomWidth.

To get the current zoom factor as a percent, see pdfGetZoomPercent.

C:
double zoom; zoom = pdfGetZoom(viewer);
pdfSetZoom
pdfGetZoomPercent
pdfZoomToRect2
pdfZoomCentered
pdfZoomToCurrentWidth