/*
* XpGetResolution returns an integer representing the printer resolution
* in dots-per-inch for the specified print context.
*
* Note: This routine assumes the values found in the passed context's
* attributes pools have been validated.
*/
int
XpGetResolution(
XpContextPtr pContext)
{
unsigned long resolution;
resolution = XpGetCardAttr(pContext, XPPageAttr,
xpoid_att_default_printer_resolution,
(XpOidCardList*)NULL);
if(0 == resolution)
resolution = XpGetCardAttr(pContext, XPDocAttr,
xpoid_att_default_printer_resolution,
(XpOidCardList*)NULL);
if(0 == resolution)
{
XpOidCardList* resolutions_supported;
/*
* default-printer-resolution not specified; default to 1st entry
* in printer-resolutions-supported.
*/
resolutions_supported =
XpGetCardListAttr(pContext, XPPrinterAttr,
xpoid_att_printer_resolutions_supported,
(XpOidCardList*)NULL);
resolution = XpOidCardListGetCard(resolutions_supported, 0);
XpOidCardListDelete(resolutions_supported);
}
return (int)resolution;
}
void
XpValidateCardAttr(XpContextPtr pContext,
XPAttributes pool,
XpOid oid,
const XpOidCardList* valid_cards,
unsigned long default_card)
{
unsigned long value_card;
value_card = XpGetCardAttr(pContext, pool, oid, valid_cards);
XpPutCardAttr(pContext, pool, oid,
value_card == 0 ? default_card : value_card);
}
