def _split_into_lines(entity: AnyText, box_width: Optional[float],
get_text_width: Callable[[str], float]) -> List[str]:
if isinstance(entity, AttDef):
# ATTDEF outside of an Insert renders the tag rather than the value
text = plain_text(entity.dxf.tag)
else:
text = entity.plain_text()
if isinstance(entity, (Text, Attrib, AttDef)):
assert '\n' not in text
return [text]
else:
return text_wrap(text, box_width, get_text_width)
def get_content() -> List[str]:
text = mtext.plain_text(split=False)
return text_wrap(text, box_width, font.text_width)
def test_text_wrapping():
def get_text_width(s: str) -> float:
return len(s)
assert text_wrap('', 0, get_text_width) == []
assert text_wrap(' \n ', 1, get_text_width) == []
assert text_wrap('abc', 0, get_text_width) == ['abc']
assert text_wrap(' abc', 6,
get_text_width) == [' abc'], "preserve leading spaces"
assert text_wrap('abc ', 1,
get_text_width) == ['abc'], "do not wrap too long words"
assert text_wrap(' abc ', 6,
get_text_width) == [' abc'], "remove trailing spaces"
assert text_wrap('abc\ndef', 1,
get_text_width) == ['abc',
'def'], "do not wrap too long words"
assert text_wrap(' abc\ndef', 1,
get_text_width) == ['', 'abc', 'def'
], "leading spaces can cause wrapping"
assert text_wrap(' abc\ndef', 6, get_text_width) == [' abc', 'def']
assert text_wrap('abc \n def', 1, get_text_width) == ['abc', 'def']
assert text_wrap(' a ', 1, get_text_width) == ['', 'a']
assert text_wrap('\na ', 2, get_text_width) == ['', 'a']
assert text_wrap(' \na ', 1, get_text_width) == ['', 'a']
assert text_wrap(' \n \n ', 1, get_text_width) == []
assert text_wrap(' \n \n a', 1, get_text_width) == ['', '', 'a']
assert text_wrap(' abc', 6, get_text_width) == [' abc']
assert text_wrap(' abc def', 6, get_text_width) == [' abc', 'def']
assert text_wrap(' abc def ', 6, get_text_width) == [' abc', 'def']
assert text_wrap(' abc def', 1, get_text_width) == ['', 'abc', 'def']
assert text_wrap(' abc def', 6, get_text_width) == [' abc', 'def']
def test_text_wrapping():
def get_text_width(s: str) -> float:
return len(s)
assert text_wrap("", 0, get_text_width) == []
assert text_wrap(" \n ", 1, get_text_width) == []
assert text_wrap("abc", 0, get_text_width) == ["abc"]
assert text_wrap(" abc", 6, get_text_width) == [
" abc"
], "preserve leading spaces"
assert text_wrap("abc ", 1, get_text_width) == [
"abc"
], "do not wrap too long words"
assert text_wrap(" abc ", 6, get_text_width) == [
" abc"
], "remove trailing spaces"
assert text_wrap("abc\ndef", 1, get_text_width) == [
"abc",
"def",
], "do not wrap too long words"
assert text_wrap(" abc\ndef", 1, get_text_width) == [
"",
"abc",
"def",
], "leading spaces can cause wrapping"
assert text_wrap(" abc\ndef", 6, get_text_width) == [" abc", "def"]
assert text_wrap("abc \n def", 1, get_text_width) == ["abc", "def"]
assert text_wrap(" a ", 1, get_text_width) == ["", "a"]
assert text_wrap("\na ", 2, get_text_width) == ["", "a"]
assert text_wrap(" \na ", 1, get_text_width) == ["", "a"]
assert text_wrap(" \n \n ", 1, get_text_width) == []
assert text_wrap(" \n \n a", 1, get_text_width) == ["", "", "a"]
assert text_wrap(" abc", 6, get_text_width) == [" abc"]
assert text_wrap(" abc def", 6, get_text_width) == [" abc", "def"]
assert text_wrap(" abc def ", 6, get_text_width) == [" abc", "def"]
assert text_wrap(" abc def", 1, get_text_width) == ["", "abc", "def"]
assert text_wrap(" abc def", 6, get_text_width) == [" abc", "def"]