pdfSetPrintForceMono
Force printing in monochrome.
void pdfSetPrintForceMono(PDFViewerHandle viewer, BOOL mono)
If this function is called with
mono = true, XpdfViewer
will generate monochrome output, even if the printer appears to be
color.
This setting is only relevant for GDI printing, i.e., for
non-PostScript printers, or if pdfSetPrintForceGDI is in effect.
It is ignored when XpdfViewer generates PostScript code.
C:
pdfSetPrintForceMono(pdf, TRUE);