Untitled

def print_barcode(printer, barcode_image):
    # Get the printer DC
    printer_dc = win32ui.CreateDC()
    printer_dc.CreatePrinterDC(printer)
    # Get the page size and image size in pixels
    page_size_mm = (25.4, 54)
    dpi = 300  # Use a fixed DPI value (adjust it according to your printer's DPI)
    page_size_pixels = tuple(int(dpi * page_size_mm[i] / 25.4) for i in (0, 1))
    image = Image.open(barcode_image+".png")
    # Rotate the image by 90 degrees
    image = image.rotate(90, expand=True)
    image_width, image_height = image.size
    # Calculate the new size with 5 mm padding around the image
    padding_mm = 5
    padded_page_size_mm = (page_size_mm[0] - 2 * padding_mm, page_size_mm[1] - 2 * padding_mm)
    padded_page_size_pixels = tuple(int(dpi * padded_page_size_mm[i] / 25.4) for i in (0, 1))
    # Calculate the new size while maintaining the aspect ratio and expanding to fit the padded page size
    scaling_factor = max(padded_page_size_pixels[0] / image_width, padded_page_size_pixels[1] / image_height)
    new_size = (int(image_width * scaling_factor), int(image_height * scaling_factor))
    # Resize the image
    resized_image = image.resize(new_size, Image.LANCZOS)
    resized_width, resized_height = resized_image.size
    # Calculate the position to center the image on the page
    x_pos = int((page_size_pixels[0] - resized_width) / 2)
    y_pos = int((page_size_pixels[1] - resized_height) / 2)
    # Start the print job
    printer_dc.StartDoc(barcode_image+".png")
    printer_dc.StartPage()
    # Print the image
    dib = ImageWin.Dib(resized_image)
    dib.draw(printer_dc.GetSafeHdc(), (x_pos, y_pos, resized_width, resized_height))
    # End the print job
    printer_dc.EndPage()
    printer_dc.EndDoc()
    printer_dc.ClosePrinter()
    print('Barcode printed successfully')