Function ippAddResolution

cups/ipp.c:723–759

 */

ipp_attribute_t *			/* O - New attribute */
ippAddResolution(ipp_t      *ipp,	/* I - IPP message */
        	 ipp_tag_t  group,	/* I - IPP group */
		 const char *name,	/* I - Name of attribute */
		 ipp_res_t  units,	/* I - Units for resolution */
		 int        xres,	/* I - X resolution */
		 int        yres)	/* I - Y resolution */
{
  ipp_attribute_t	*attr;		/* New attribute */


  DEBUG_printf(("ippAddResolution(ipp=%p, group=%02x(%s), name=\"%s\", units=%d, xres=%d, yres=%d)", (void *)ipp, group,
		ippTagString(group), name, units, xres, yres));

 /*
  * Range check input...
  */

  if (!ipp || !name || group < IPP_TAG_ZERO ||
      group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
      units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM ||
      xres < 0 || yres < 0)
    return (NULL);

 /*
  * Create the attribute...
  */

  if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, 1)) == NULL)
    return (NULL);

  attr->values[0].resolution.xres  = xres;
  attr->values[0].resolution.yres  = yres;
  attr->values[0].resolution.units = units;

  return (attr);
}


/*