Function JM_matrix_from_py

src/__init__.py:20759–20771

(m)

def JM_matrix_from_py(m):
    a = [0, 0, 0, 0, 0, 0]
    if isinstance(m, mupdf.FzMatrix):
        return m
    if isinstance(m, Matrix):
        return mupdf.FzMatrix(m.a, m.b, m.c, m.d, m.e, m.f)
    if not m or not PySequence_Check(m) or PySequence_Size(m) != 6:
        return mupdf.FzMatrix()
    for i in range(6):
        a[i] = JM_FLOAT_ITEM(m, i)
        if a[i] is None:
            return mupdf.FzRect()
    return mupdf.FzMatrix(a[0], a[1], a[2], a[3], a[4], a[5])


def JM_mediabox(page_obj):