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pairs: allocate and manipulate dest polygon buffer directly

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KIU Shueng Chuan 2021-05-28 13:55:51 +08:00 committed by Ogi Moore
parent 8f4104a9ab
commit cabcf6cd29
1 changed files with 4 additions and 4 deletions
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8
pyqtgraph/functions.py
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@ -1757,10 +1757,10 @@ def arrayToQPath(x, y, connect='all', finiteCheck=True):
if qt6:
if n % 2 == 1:
arr = arr[:-1]
nans = np.broadcast_to(np.nan, (n // 2, 1))
xs = np.column_stack([arr['x'].reshape((-1, 2)), nans]).ravel()
ys = np.column_stack([arr['y'].reshape((-1, 2)), nans]).ravel()
polygon = arrayToQPolygonF(xs, ys)
polygon = create_qpolygonf(n // 2 * 3)
dst = ndarray_from_qpolygonf(polygon).reshape((-1, 6)) # x0, y0, x1, y1, nan, nan
dst[:, :4] = np.frombuffer(arr, dtype=np.double).reshape((-1, 4)) # x0, y0, x1, y1
dst[:, 4:] = np.nan
path.addPolygon(polygon)
return path
else: