Commit662dc23

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Backport PRmatplotlib#17995: Avoid using Bbox machinery in Path.get_extents; special case polylines.

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+13

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Lines changed: 13 additions & 7 deletions

Original file line number	Diff line number	Diff line change
`@@ -588,13 +588,19 @@ def get_extents(self, transform=None, **kwargs):`
`588`	`588`	`from .transformsimportBbox`
`589`	`589`	`iftransformisnotNone:`
`590`	`590`	`self=transform.transform_path(self)`
`591`		`-bbox=Bbox.null()`
`592`		`-forcurve,codeinself.iter_bezier(**kwargs):`
`593`		`-# places where the derivative is zero can be extrema`
`594`		`-_,dzeros=curve.axis_aligned_extrema()`
`595`		`-# as can the ends of the curve`
`596`		`-bbox.update_from_data_xy(curve([0,*dzeros,1]),ignore=False)`
`597`		`-returnbbox`
	`591`	`+ifself.codesisNone:`
	`592`	`+xys=self.vertices`
	`593`	`+eliflen(np.intersect1d(self.codes, [Path.CURVE3,Path.CURVE4]))==0:`
	`594`	`+xys=self.vertices[self.codes!=Path.CLOSEPOLY]`
	`595`	`+else:`
	`596`	`+xys= []`
	`597`	`+forcurve,codeinself.iter_bezier(**kwargs):`
	`598`	`+# places where the derivative is zero can be extrema`
	`599`	`+_,dzeros=curve.axis_aligned_extrema()`
	`600`	`+# as can the ends of the curve`
	`601`	`+xys.append(curve([0,*dzeros,1]))`
	`602`	`+xys=np.concatenate(xys)`
	`603`	`+returnBbox([xys.min(axis=0),xys.max(axis=0)])`
`598`	`604`
`599`	`605`	`defintersects_path(self,other,filled=True):`
`600`	`606`	`"""`

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