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draw_polygon

draw_polygon

Polygon component for creating apertures.

Rasterized2DApertureDrawPolygon

Bases: DrawPolygon

Description of polygon aperture component.

Source code in src/pygerber/backend/rasterized_2d/draw_commands/draw_polygon.py 
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class Rasterized2DApertureDrawPolygon(DrawPolygon):
    """Description of polygon aperture component."""

    backend: Rasterized2DBackend

    def draw(self, target: DrawingTarget) -> None:
        """Apply aperture draw component to handle."""
        if not isinstance(target, Rasterized2DDrawingTarget):
            msg = f"Expected Rasterized2DDrawingTarget got {type(target)}"
            raise TypeError(msg)

        box = self.get_bounding_box()
        image_space_box = box - target.coordinate_origin
        center = image_space_box.center.as_pixels(self.backend.dpi)

        bounding_circle = (
            *center,
            (self.outer_diameter / 2).as_pixels(self.backend.dpi),
        )
        rotation = float(-self.rotation + Decimal("-90.0"))

        if self.number_of_vertices < NUMBER_OF_VERTICES_IN_TRIANGLE:
            logging.warning(
                "Drawing invalid polygon, number of vertices < 3 (%s)",
                self.number_of_vertices,
            )
            return

        (_, __, radius) = bounding_circle
        if radius == 0:
            logging.warning(
                "Drawing zero surface polygon. DPI may be too low. %s",
                bounding_circle,
            )
            return

        target.image_draw.regular_polygon(
            bounding_circle=bounding_circle,
            n_sides=self.number_of_vertices,
            rotation=int(rotation),
            fill=self.polarity.get_2d_rasterized_color(),
            outline=None,
            width=0,
        )
        logging.debug("Adding %s to %s", self.__class__.__qualname__, target)

draw 

draw(target: DrawingTarget) -> None

Apply aperture draw component to handle.

Source code in src/pygerber/backend/rasterized_2d/draw_commands/draw_polygon.py 
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def draw(self, target: DrawingTarget) -> None:
    """Apply aperture draw component to handle."""
    if not isinstance(target, Rasterized2DDrawingTarget):
        msg = f"Expected Rasterized2DDrawingTarget got {type(target)}"
        raise TypeError(msg)

    box = self.get_bounding_box()
    image_space_box = box - target.coordinate_origin
    center = image_space_box.center.as_pixels(self.backend.dpi)

    bounding_circle = (
        *center,
        (self.outer_diameter / 2).as_pixels(self.backend.dpi),
    )
    rotation = float(-self.rotation + Decimal("-90.0"))

    if self.number_of_vertices < NUMBER_OF_VERTICES_IN_TRIANGLE:
        logging.warning(
            "Drawing invalid polygon, number of vertices < 3 (%s)",
            self.number_of_vertices,
        )
        return

    (_, __, radius) = bounding_circle
    if radius == 0:
        logging.warning(
            "Drawing zero surface polygon. DPI may be too low. %s",
            bounding_circle,
        )
        return

    target.image_draw.regular_polygon(
        bounding_circle=bounding_circle,
        n_sides=self.number_of_vertices,
        rotation=int(rotation),
        fill=self.polarity.get_2d_rasterized_color(),
        outline=None,
        width=0,
    )
    logging.debug("Adding %s to %s", self.__class__.__qualname__, target)