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RO: skip drawing arrow if start near end #63

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RO: skip drawing arrow if start near end #63

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e604aaa
RO: skip drawing arrow if start near end
Jun 28, 2023
df13965
PageView tooltip: also show TableCellRole attributes, if any
Jul 14, 2023
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3 changes: 3 additions & 0 deletions ocrd_browser/model/page_xml_renderer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -331,6 +331,9 @@ def paint(self, draw: ImageDraw.Draw, regions: RegionMap) -> None:
angle = radians(180.0 - 30) # 30 degrees
c, s = cos(angle), sin(angle)
d = self.p1[0] - self.p0[0], self.p1[1] - self.p0[1]
if np.isclose(d[0], 0) and np.isclose(d[1], 0):
# arrow start and end very close to each toerh
return
left = d[0] * c - d[1] * s, d[0] * s + d[1] * c
right = d[0] * c + d[1] * s, -d[0] * s + d[1] * c
lf = self.size / (d[0] ** 2 + d[1] ** 2) ** 0.5
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