Untitled

def generate_barcode(product_code):
    Code128 = barcode.get_barcode_class('code128')
    writer = ImageWriter()
    
    dpi = 300  # Use a fixed DPI value (adjust it according to your printer's DPI)
    page_size_mm = (25.4, 54)
    page_size_pixels = tuple(int(dpi * page_size_mm[i] / 25.4) for i in (0, 1))
    
    writer.dpi = dpi
    writer.module_width = int(page_size_pixels[0] / 110)  # Adjust the value to fit the width
    writer.module_height = int(page_size_pixels[1] / 2.125)  # Adjust the value to fit the height
    writer.font_size = 12
    writer.text_distance = 0
    writer.quiet_zone = 6.5
    barcode_image = Code128(product_code, writer=writer)
    output_filename = 'temp_barcode'
    barcode_image.save(output_filename)
    return output_filename

def print_barcode(printer, barcode_image):
    # Get the printer DC
    printer_dc = win32ui.CreateDC()
    printer_dc.CreatePrinterDC(printer)
    
    dpi = 300  # Use a fixed DPI value (adjust it according to your printer's DPI)
    page_size_mm = (25.4, 54)
    page_size_pixels = tuple(int(dpi * page_size_mm[i] / 25.4) for i in (0, 1))
    
    image = Image.open(barcode_image+".png")
    image_width, image_height = image.size
    
    # Calculate the position to center the image on the page
    x_pos = int((page_size_pixels[0] - image_width) / 2)
    y_pos = int((page_size_pixels[1] - image_height) / 2) - 80
    
    # Start the print job
    printer_dc.StartDoc(barcode_image+".png")
    printer_dc.StartPage()
    
    # Print the image
    dib = ImageWin.Dib(image)
    dib.draw(printer_dc.GetSafeHdc(), (x_pos, y_pos, image_width, image_height))
    
    # End the print job
    printer_dc.EndPage()
    printer_dc.EndDoc()
    printer_dc.DeleteDC()