Function CheckColor

src/__init__.py:22024–22032

(c: OptSeq)

def CheckColor(c: OptSeq):
    if c:
        if (
            type(c) not in (list, tuple)
            or len(c) not in (1, 3, 4)
            or min(c) < 0
            or max(c) > 1
        ):
            raise ValueError("need 1, 3 or 4 color components in range 0 to 1")


def CheckFont(page: Page, fontname: str) -> tuple: