Function JM_set_widget_properties

src/__init__.py:21667–21858

Update the PDF form field with the properties from a Python Widget object. Called by "Page.add_widget" and "Annot.update_widget".

(annot, Widget)

def JM_set_widget_properties(annot, Widget):
    '''
    Update the PDF form field with the properties from a Python Widget object.
    Called by "Page.add_widget" and "Annot.update_widget".
    '''
    if isinstance( annot, Annot):
        annot = annot.this
    assert isinstance( annot, mupdf.PdfAnnot), f'{type(annot)=} {type=}'
    page = _pdf_annot_page(annot)
    assert page.m_internal, 'Annot is not bound to a page'
    annot_obj = mupdf.pdf_annot_obj(annot)
    pdf = page.doc()
    def GETATTR(name):
        return getattr(Widget, name, None)

    value = GETATTR("field_type")
    field_type = value

    # rectangle --------------------------------------------------------------
    value = GETATTR("rect")
    rect = JM_rect_from_py(value)
    rot_mat = JM_rotate_page_matrix(page)
    rect = mupdf.fz_transform_rect(rect, rot_mat)
    mupdf.pdf_set_annot_rect(annot, rect)

    # fill color -------------------------------------------------------------
    value = GETATTR("fill_color")
    if value and PySequence_Check(value):
        n = len(value)
        fill_col = mupdf.pdf_new_array(pdf, n)
        col = 0
        for i in range(n):
            col = value[i]
            mupdf.pdf_array_push_real(fill_col, col)
        mupdf.pdf_field_set_fill_color(annot_obj, fill_col)

    # dashes -----------------------------------------------------------------
    value = GETATTR("border_dashes")
    if value and PySequence_Check(value):
        n = len(value)
        dashes = mupdf.pdf_new_array(pdf, n)
        for i in range(n):
            mupdf.pdf_array_push_int(dashes, value[i])
        mupdf.pdf_dict_putl(annot_obj, dashes, PDF_NAME('BS'), PDF_NAME('D'))

    # border color -----------------------------------------------------------
    value = GETATTR("border_color")
    if value and PySequence_Check(value):
        n = len(value)
        border_col = mupdf.pdf_new_array(pdf, n)
        col = 0
        for i in range(n):
            col = value[i]
            mupdf.pdf_array_push_real(border_col, col)
        mupdf.pdf_dict_putl(annot_obj, border_col, PDF_NAME('MK'), PDF_NAME('BC'))

    # entry ignored - may be used later
    #