/*
* Update the HMI by recomputing it from the font.
*/
coord
pcl_updated_hmi(pcl_state_t * pcs)
{
coord hmi;
const pcl_font_selection_t *pfs =
&(pcs->font_selection[pcs->font_selected]);
int code = pcl_recompute_font(pcs, false);
const pl_font_t *plfont = pcs->font;
if (code < 0)
return pcs->hmi_cp; /* bad news; don't mark the HMI as valid. */
/* we check for typeface == 0 here (lineprinter) because we
frequently simulate lineprinter with a scalable truetype
font */
if (pl_font_is_scalable(plfont) && plfont->params.typeface_family != 0) {
if (plfont->params.proportional_spacing)
/* Scale the font's pitch by the requested height. */
hmi =
(coord) (pl_fp_pitch_cp(&plfont->params) / 10.0 *
pfs->params.height_4ths / 4);
else
hmi = (coord) pl_fp_pitch_cp(&(pfs->params));
} else
hmi = (coord) pl_fp_pitch_cp(&(plfont->params));
/*
* Round to a multiple of the unit of measure (see the "PCL 5 Printer
* LanguageTechnical Reference Manual", October 1992 ed., page 5-22.
*/
hmi = hmi + pcs->uom_cp / 2;
return pcs->hmi_cp = hmi - (hmi % pcs->uom_cp);
}
/* a font may be scalable but we want to treat it a bitmap for the
purpose of selection. The internal lineprinter is the only example
of this. */
static bool
font_is_scalable_selection_wise(const pl_font_t *fp)
{
if (INTERNAL_LPFONT)
return false;
else
return pl_font_is_scalable(fp);
}
