def catch(exprs: Sequence[str]) -> bool:
"""Detection function for solution polygons."""
points, _ = self.solution_polygon(
exprs[0],
exprs[1:-1],
exprs[-1],
self.vpoints
)
if len(points) < 3:
points = convex_hull(
[(x + self.sr, y + self.sr) for x, y in points]
+ [(x - self.sr, y - self.sr) for x, y in points],
as_qpoint=True
)
else:
points = [QPointF(x, y) for x, y in points]
polygon = QPolygonF(points)
if rect:
return polygon.intersects(
QPolygonF(self.selector.to_rect(self.zoom)))
else:
return polygon.containsPoint(
QPointF(self.selector.x, -self.selector.y) * self.zoom,
Qt.WindingFill
)
def catch(exprs: Sequence[str]) -> bool:
"""Detection function for solution polygons."""
points, _ = self.solution_polygon(exprs[0], exprs[1:-1],
exprs[-1], self.vpoints)
polygon = QPolygonF(points)
if rect:
return polygon.intersects(
QPolygonF(self.selector.to_rect(self.zoom)))
else:
return polygon.containsPoint(
QPointF(self.selector.x, self.selector.y),
Qt.WindingFill)
def catch(link: VLink) -> bool:
"""Detection function for links.
+ Is polygon: Using Qt polygon geometry.
+ If just a line: Create a range for mouse detection.
"""
points = self.__points_pos(link)
if len(points) > 2:
polygon = QPolygonF(convex_hull(points, as_qpoint=True))
else:
polygon = QPolygonF(convex_hull(
[(x + self.sr, y + self.sr) for x, y in points]
+ [(x - self.sr, y - self.sr) for x, y in points],
as_qpoint=True
))
if rect:
return polygon.intersects(QPolygonF(self.selector.to_rect(self.zoom)))
else:
return polygon.containsPoint(
QPointF(self.selector.x, -self.selector.y) * self.zoom,
Qt.WindingFill
)
