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added dashed hatch pattern #28072

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added dashed hatch pattern #28072

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9da6ad9
added dashed pattern
ShivamPathak99 Apr 13, 2024
2817fb2
checks if hatch is string
ShivamPathak99 Apr 14, 2024
af4629a
validate_hatch from hatch module
ShivamPathak99 Apr 14, 2024
f77da9f
change rcsetup.pyi , s:str
ShivamPathak99 Apr 14, 2024
34be979
Revert "change rcsetup.pyi , s:str"
ShivamPathak99 Apr 14, 2024
9bb18c4
Revert "validate_hatch from hatch module"
ShivamPathak99 Apr 14, 2024
d4a625c
Revert "checks if hatch is string"
ShivamPathak99 Apr 14, 2024
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16 changes: 14 additions & 2 deletions lib/matplotlib/hatch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,17 @@ def __init__(self, hatch, density):
self.shape_codes[0] = Path.MOVETO
super().__init__(hatch, density)


class Dashes(Shapes):
size = 0.35

def __init__(self, hatch, density):
self.num_rows = (hatch.count('_')) * density
path = Path([[0, 0], [1, 0]], [Path.MOVETO, Path.LINETO])
self.shape_vertices = path.vertices
self.shape_codes = path.codes
super().__init__(hatch, density)

_hatch_types = [
HorizontalHatch,
VerticalHatch,
Expand All @@ -175,12 +186,13 @@ def __init__(self, hatch, density):
SmallCircles,
LargeCircles,
SmallFilledCircles,
Stars
Stars,
Dashes
]


def _validate_hatch_pattern(hatch):
valid_hatch_patterns = set(r'-+|/\xXoO.*')
valid_hatch_patterns = set(r'_-+|/\xXoO.*')
if hatch is not None:
invalids = set(hatch).difference(valid_hatch_patterns)
if invalids:
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7 changes: 7 additions & 0 deletions lib/matplotlib/hatch.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -65,4 +65,11 @@ class Stars(Shapes):
shape_codes: np.ndarray
def __init__(self, hatch: str, density: int) -> None: ...

class Dashes(Shapes):
size: float
num_rows: int
shape_vertices: np.ndarray
shape_codes: np.ndarray
def __init__(self, hatch: str, density: int) -> None: ...

def get_path(hatchpattern: str, density: int = ...) -> Path: ...
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