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author | jaseg <git@jaseg.de> | 2023-04-23 23:22:56 +0200 |
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committer | jaseg <git@jaseg.de> | 2023-04-23 23:22:56 +0200 |
commit | aaaf96e8d91b38ca8bd2ca488e4ded729417f8e3 (patch) | |
tree | 8a820cefcb06a013f0bd0cd323205005faf8efb6 | |
parent | a93d118773818fbd47af4965d7b37e1b10bdf9b6 (diff) | |
download | gerbonara-aaaf96e8d91b38ca8bd2ca488e4ded729417f8e3.tar.gz gerbonara-aaaf96e8d91b38ca8bd2ca488e4ded729417f8e3.tar.bz2 gerbonara-aaaf96e8d91b38ca8bd2ca488e4ded729417f8e3.zip |
Simplify stroked arc bounding box calculation
-rw-r--r-- | gerbonara/graphic_primitives.py | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/gerbonara/graphic_primitives.py b/gerbonara/graphic_primitives.py index ca3783f..7f0ddfa 100644 --- a/gerbonara/graphic_primitives.py +++ b/gerbonara/graphic_primitives.py @@ -218,23 +218,8 @@ class Arc(GraphicPrimitive): def bounding_box(self): r = self.width/2 - endpoints = add_bounds(Circle(self.x1, self.y1, r).bounding_box(), Circle(self.x2, self.y2, r).bounding_box()) - - arc_r = math.dist((self.cx, self.cy), (self.x1, self.y1)) - - # extend C -> P1 line by line width / 2 along radius - dx, dy = self.x1 - self.cx, self.y1 - self.cy - x1 = self.x1 + dx/arc_r * r - y1 = self.y1 + dy/arc_r * r - - # same for C -> P2 - dx, dy = self.x2 - self.cx, self.y2 - self.cy - x2 = self.x2 + dx/arc_r * r - y2 = self.y2 + dy/arc_r * r - - arc = arc_bounds(x1, y1, x2, y2, self.cx, self.cy, self.clockwise) - - return add_bounds(endpoints, arc) # FIXME add "include_center" switch + (min_x, min_y), (max_x, max_y) = arc_bounds(self.x1, self.y1, self.x2, self.y2, self.cx, self.cy, self.clockwise) + return (min_x-r, min_y-r), (max_x+r, max_y+r) def to_svg(self, fg='black', bg='white', tag=Tag): color = fg if self.polarity_dark else bg |