Bases: PrivateApertureHandle
Base class for creating Gerber X3 apertures.
Source code in src\pygerber\backend\rasterized_2d\aperture_handle.py
| class Rasterized2DPrivateApertureHandle(PrivateApertureHandle):
"""Base class for creating Gerber X3 apertures."""
backend: Rasterized2DBackend
drawing_target: Rasterized2DDrawingTarget
def _create_drawing_target(self) -> DrawingTarget:
"""Draw aperture and store result."""
bbox = self.bounding_box
size = bbox.get_size().as_pixels(self.backend.dpi)
# Image must be at least 1x1, otherwise Pillow crashes while saving.
x, y = size
size = (max(x, 0) + 1, max(y, 0) + 1)
return Rasterized2DDrawingTarget(
coordinate_origin=self.coordinate_origin,
bounding_box=self.bounding_box,
target_image=Image.new(
mode="L",
size=size,
color=Polarity.Background.get_2d_rasterized_color(),
),
)
def _post_drawing_hook(self) -> None:
dest = self.backend.options.dump_apertures
if dest is not None:
dest_aperture_subdir = dest / f"{self.aperture_id}_{self.private_id}"
dest_aperture_subdir.mkdir(0o777, parents=True, exist_ok=True)
self.drawing_target.target_image.save(
dest_aperture_subdir / "target.png",
)
self.drawing_target.mask_image.save(
dest_aperture_subdir / "mask.png",
)
self.drawing_target.image_polarity_clear.save(
dest_aperture_subdir / "clear.png",
)
self.drawing_target.image_polarity_dark.save(
dest_aperture_subdir / "dark.png",
)
self.drawing_target.image_polarity_region_clear.save(
dest_aperture_subdir / "clear_region.png",
)
self.drawing_target.image_polarity_region_dark.save(
dest_aperture_subdir / "dark_region.png",
)
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