def font(runtime, fontname, fontsize, leading=None):
if fontname not in pdfmetrics._fonts and not fontname in pdfmetrics.standardFonts:
try:
font = TTFont(fontname, '{}.ttf'.format(fontname))
except:
font = TTFont(fontname, '{}.ttc'.format(fontname))
pdfmetrics.registerFont(font)
reportlab_mapping(font)
if font.face.fileKind == 'TTC':
for idx, _ in enumerate(font.face.subfontOffsets[1:]):
tt_font = TTFont(fontname, '{}.ttc'.format(fontname), subfontIndex=idx + 1)
tt_font.fontName = tt_font.face.name.decode('utf-8')
pdfmetrics.registerFont(tt_font)
reportlab_mapping(tt_font)
if leading is not None:
leading = float(leading)
runtime.state.set_font(fontname, fontsize, leading)
