Class HPacker

lib/matplotlib/offsetbox.py:475–506

HPacker packs its children horizontally, automatically adjusting their relative positions at draw time. .. code-block:: none +-------------------------------+ | Child 1 Child 2 Child 3 | +-------------------------------+

class HPacker(PackerBase):
    """
    HPacker packs its children horizontally, automatically adjusting their
    relative positions at draw time.

    .. code-block:: none

       +-------------------------------+
       | Child 1    Child 2    Child 3 |
       +-------------------------------+
    """

    def _get_bbox_and_child_offsets(self, renderer):
        # docstring inherited
        dpicor = renderer.points_to_pixels(1.)
        pad = self.pad * dpicor
        sep = self.sep * dpicor

        bboxes = [c.get_bbox(renderer) for c in self.get_visible_children()]
        if not bboxes:
            return Bbox.from_bounds(0, 0, 0, 0).padded(pad), []

        (y0, y1), yoffsets = _get_aligned_offsets(
            [bbox.intervaly for bbox in bboxes], self.height, self.align)
        width, xoffsets = _get_packed_offsets(
            [bbox.width for bbox in bboxes], self.width, sep, self.mode)

        x0 = bboxes[0].x0
        xoffsets -= ([bbox.x0 for bbox in bboxes] - x0)

        return (Bbox.from_bounds(x0, y0, width, y1 - y0).padded(pad),
                [*zip(xoffsets, yoffsets)])


class PaddedBox(OffsetBox):