Function cre_annot

src_classic/utils.py:1509–1553

Create annotation object string for a passed-in link.

(lnk, xref_dst, pno_src, ctm)

    # internal function to create the actual "/Annots" object string
    # --------------------------------------------------------------------------
    def cre_annot(lnk, xref_dst, pno_src, ctm):
        """Create annotation object string for a passed-in link."""

        r = lnk["from"] * ctm  # rect in PDF coordinates
        rect = "%g %g %g %g" % tuple(r)
        if lnk["kind"] == LINK_GOTO:
            txt = annot_skel["goto1"]  # annot_goto
            idx = pno_src.index(lnk["page"])
            p = lnk["to"] * ctm  # target point in PDF coordinates
            annot = txt % (xref_dst[idx], p.x, p.y, lnk["zoom"], rect)

        elif lnk["kind"] == LINK_GOTOR:
            if lnk["page"] >= 0:
                txt = annot_skel["gotor1"]  # annot_gotor
                pnt = lnk.get("to", Point(0, 0))  # destination point
                if type(pnt) is not Point:
                    pnt = Point(0, 0)
                annot = txt % (
                    lnk["page"],
                    pnt.x,
                    pnt.y,
                    lnk["zoom"],
                    lnk["file"],
                    lnk["file"],
                    rect,
                )
            else:
                txt = annot_skel["gotor2"]  # annot_gotor_n
                to = get_pdf_str(lnk["to"])
                to = to[1:-1]
                f = lnk["file"]
                annot = txt % (to, f, rect)

        elif lnk["kind"] == LINK_LAUNCH:
            txt = annot_skel["launch"]  # annot_launch
            annot = txt % (lnk["file"], lnk["file"], rect)

        elif lnk["kind"] == LINK_URI:
            txt = annot_skel["uri"]  # annot_uri
            annot = txt % (lnk["uri"], rect)

        else:
            annot = ""

        return annot

    # --------------------------------------------------------------------------