def draw_path(self, path: Path, properties: Properties, z=0):
qt_path = qg.QPainterPath()
_extend_qt_path(qt_path, path)
return self.scene.addPath(
qt_path,
self.get_pen(properties),
self.no_fill,
)
def get_text_path(self, text: str, font: qg.QFont) -> qg.QPainterPath:
# None is the default font
key = font.key() if font is not None else None
cache = self._text_path_cache[key] # defaultdict(dict)
path = cache.get(text, None)
if path is None:
if font is None:
font = self._default_font
path = qg.QPainterPath()
path.addText(0, 0, font, text)
if self._use_cache:
cache[text] = path
return path
def draw_path(self, path, properties: Properties, z=0):
pattern = self.pattern(properties)
pen = self.get_pen(properties)
if len(pattern) < 2:
qt_path = qg.QPainterPath()
_extend_qt_path(qt_path, path)
return self.scene.addPath(qt_path, pen, self.no_fill)
else:
add_line = self.scene.addLine
renderer = EzdxfLineTypeRenderer(pattern)
segments = renderer.line_segments(
path.flattening(
self._config.max_flattening_distance, segments=16
)
)
return [
add_line(s.x, s.y, e.x, e.y, pen)
for s, e in segments
# PyQt has problems with very short lines:
if not s.isclose(e)
]
def draw_filled_paths(
self,
paths: Iterable[Path],
holes: Iterable[Path],
properties: Properties,
) -> None:
qt_path = qg.QPainterPath()
for path in paths:
try:
path = path.counter_clockwise()
except ValueError: # cannot detect path orientation
continue
_extend_qt_path(qt_path, path)
for path in holes:
try:
path = path.clockwise()
except ValueError: # cannot detect path orientation
continue
_extend_qt_path(qt_path, path)
item = _CosmeticPath(qt_path)
item.setPen(self._get_pen(properties))
item.setBrush(self._get_brush(properties))
self._scene.addItem(item)
self._set_item_data(item)