pdfGetPageHeight
Get the height of the specified page.
double pdfGetPageHeight(PDFHandle pdf, int page)
This function returns the height of the specified page.
The units for the returned value are points, where 1 point = 1/72 inch.
This function is equivalent to:
pdfGetPageBoxYMax(pdf, page, "crop") - pdfGetPageBoxYMin(pdf, page, "crop")
C:
double w, h;
w = pdfGetPageWidth(pdf, pageNum);
h = pdfGetPageHeight(pdf, pageNum);