Bottom and left edge of the outter box disappears after transformation.translate.

[hmertakyatan]

def paginate_labels_same_dimension(input_pdf_path, output_pdf_path, output_page_width_mm, output_page_height_mm):
    reader = PdfReader(input_pdf_path)
    writer = PdfWriter()
    outer_bbox = pageinfo.get_outer_bbox(input_pdf_path, 0)
    bbox_width = converter.pt_to_mm(outer_bbox.width)
    bbox_height = converter.pt_to_mm(outer_bbox.height)

    print(f"Page  Bounding Box Width (mm): {bbox_width}, Bounding Box Height (mm): {bbox_height}")


    output_page_width_pts = converter.mm_to_pt(output_page_width_mm)
    output_page_height_pts = converter.mm_to_pt(output_page_height_mm)

    rows = int(output_page_height_mm // bbox_height)
    columns = int(output_page_width_mm // bbox_width)
    rows -=1
    labels_per_page = rows * columns
    num_labels = len(reader.pages)
    num_pages = math.ceil(num_labels / labels_per_page)
    label_index = 0
    i = 0

    for _ in range(num_pages):
        new_pdf_page = PageObject.create_blank_page(width=output_page_width_pts, height=output_page_height_pts)
        print("Blank page created.")
        
        horizontal_margin = (output_page_width_pts - (columns * outer_bbox.width)) / 2
        vertical_margin = (output_page_height_pts - (rows * outer_bbox.height)) / 2
        
        for row in range(rows):
            for column in range(columns):
                if label_index < num_labels:
                    label_page = reader.pages[label_index]
                    x_position = horizontal_margin + column * outer_bbox.width -1
                    y_position = vertical_margin + (rows - row - 1) * outer_bbox.height -1
                    op = Transformation().translate(tx=x_position, ty=y_position)
                    temp_page = PageObject.create_blank_page(width=output_page_width_pts, height=output_page_height_pts)
                    temp_page.merge_page(label_page)
                    temp_page.add_transformation(op)
                    
                    new_pdf_page.merge_page(temp_page)
                  
                    label_index += 1
        writer.add_page(new_pdf_page)
        i += 1
        print(i, ".page done.")

    with open(output_pdf_path, "wb") as output_pdf:
        writer.write(output_pdf)

[stefan6419846]

Could you please make your code standalone and provide a corresponding example documentation to simplify analysis?