Function compress_fixed_aspect

lib/matplotlib/_constrained_layout.py:268–302

(layoutgrids, fig)

def compress_fixed_aspect(layoutgrids, fig):
    gs = None
    for ax in fig.axes:
        if ax.get_subplotspec() is None:
            continue
        ax.apply_aspect()
        sub = ax.get_subplotspec()
        _gs = sub.get_gridspec()
        if gs is None:
            gs = _gs
            extraw = np.zeros(gs.ncols)
            extrah = np.zeros(gs.nrows)
        elif _gs != gs:
            raise ValueError('Cannot do compressed layout if Axes are not'
                             'all from the same gridspec')
        orig = ax.get_position(original=True)
        actual = ax.get_position(original=False)
        dw = orig.width - actual.width
        if dw > 0:
            extraw[sub.colspan] = np.maximum(extraw[sub.colspan], dw)
        dh = orig.height - actual.height
        if dh > 0:
            extrah[sub.rowspan] = np.maximum(extrah[sub.rowspan], dh)

    if gs is None:
        raise ValueError('Cannot do compressed layout if no Axes '
                         'are part of a gridspec.')
    w = np.sum(extraw) / 2
    layoutgrids[fig].edit_margin_min('left', w)
    layoutgrids[fig].edit_margin_min('right', w)

    h = np.sum(extrah) / 2
    layoutgrids[fig].edit_margin_min('top', h)
    layoutgrids[fig].edit_margin_min('bottom', h)
    return layoutgrids


def get_margin_from_padding(obj, *, w_pad=0, h_pad=0,