def set_djvu_text(ctx, filename, text):
doc = ctx.new_document(decode.FileUri(filename))
doc.decoding_job.wait()
page = doc.pages[0]
w, h = page.width, page.height
data = sexpr.Expression([sexpr.Symbol('page'), 0, 0, w - 1, h - 1, text])
script = 'select 1; set-txt; ' + data.as_string()
ret = subprocess.run(['djvused', '-s', '-e', script, filename])
if ret.returncode != 0:
raise ChildProcessError('Failed to create DJVU text layer')
def sexpr(self):
children = [
child.sexpr if isinstance(child, Zone) else child
for child in self.children if not isinstance(child, Space)
] or ['']
x0, y0, x1, y1 = self.bbox
if x0 > x1:
x0, x1 = x1, x0
elif x0 == x1:
x1 += 1
if y0 > y1:
y0, y1 = y1, y0
elif y0 == y1:
y1 += 1
assert x0 < x1
assert y0 < y1
return sexpr.Expression([self.type, x0, y0, x1, y1] + children)
for k in range(i, j):
bbox.update(zones[k].bbox)
last_word = Zone(type=const.TEXT_ZONE_WORD, bbox=bbox)
words += [last_word]
if details > TEXT_DETAILS_CHARACTER:
last_word += [subtext]
else:
last_word += [
Zone(type=const.TEXT_ZONE_CHARACTER,
bbox=(x0, y0, x1, y1),
children=[ch]) for k in range(i, j)
for (x0, y0, x1, y1), ch in [(zones[k].bbox, text[k])]
]
i = j
return words
try:
sexpr.Expression(0).as_string(escape_unicode=True)
except TypeError:
# python-djvulibre << 0.4
def print_sexpr(expr, file, width=None):
return expr.print_into(file, width=width)
else:
# python-djvulibre >= 0.4
def print_sexpr(expr, file, width=None):
return expr.print_into(file, width=width, escape_unicode=False)
# vim:ts=4 sts=4 sw=4 et
def sexpr(self):
children = [
child.sexpr if isinstance(child, Zone) else child
for child in self.children if not isinstance(child, Space)
] or ['']
return sexpr.Expression([self.type] + list(self.bbox) + children)