def get_glyphs_with_font(self,
font,
s,
glyph_map=None,
return_new_glyphs_only=False):
"""
Convert string *s* to vertices and codes using the provided ttf font.
"""
if glyph_map is None:
glyph_map = OrderedDict()
if return_new_glyphs_only:
glyph_map_new = OrderedDict()
else:
glyph_map_new = glyph_map
xpositions = []
glyph_ids = []
for item in _text_helpers.layout(s, font):
char_id = self._get_char_id(font, ord(item.char))
glyph_ids.append(char_id)
xpositions.append(item.x)
if char_id not in glyph_map:
glyph_map_new[char_id] = font.get_path()
ypositions = [0] * len(xpositions)
sizes = [1.] * len(xpositions)
rects = []
return (list(zip(glyph_ids, xpositions, ypositions,
sizes)), glyph_map_new, rects)
def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
# docstring inherited
if debugPS:
self._pswriter.write("% text\n")
if _is_transparent(gc.get_rgb()):
return # Special handling for fully transparent.
if ismath == 'TeX':
return self.draw_tex(gc, x, y, s, prop, angle)
if ismath:
return self.draw_mathtext(gc, x, y, s, prop, angle)
if mpl.rcParams['ps.useafm']:
font = self._get_font_afm(prop)
scale = 0.001 * prop.get_size_in_points()
thisx = 0
last_name = None # kerns returns 0 for None.
xs_names = []
for c in s:
name = uni2type1.get(ord(c), f"uni{ord(c):04X}")
try:
width = font.get_width_from_char_name(name)
except KeyError:
name = 'question'
width = font.get_width_char('?')
kern = font.get_kern_dist_from_name(last_name, name)
last_name = name
thisx += kern * scale
xs_names.append((thisx, name))
thisx += width * scale
else:
font = self._get_font_ttf(prop)
font.set_text(s, 0, flags=LOAD_NO_HINTING)
self._character_tracker.track(font, s)
xs_names = [(item.x, font.get_glyph_name(item.glyph_idx))
for item in _text_helpers.layout(s, font)]
self.set_color(*gc.get_rgb())
ps_name = (font.postscript_name.encode("ascii",
"replace").decode("ascii"))
self.set_font(ps_name, prop.get_size_in_points())
thetext = "\n".join(f"{x:f} 0 m /{name:s} glyphshow"
for x, name in xs_names)
self._pswriter.write(f"""\
gsave
{self._get_clip_cmd(gc)}
{x:f} {y:f} translate
{angle:f} rotate
{thetext}
grestore
""")
