افزودن تصویر محصول به فاکتور pdf

protected virtual async Task PrintProductsAsync(int vendorId, Language lang, Font titleFont, Document doc, Order order, Font font, Font attributesFont)
        {
            var productsHeader = new PdfPTable(1)
            {
                RunDirection = GetDirection(lang),
                WidthPercentage = 100f
            };
            var cellProducts = await GetPdfCellAsync("PDFInvoice.Product(s)", lang, titleFont);
            cellProducts.Border = Rectangle.NO_BORDER;
            productsHeader.AddCell(cellProducts);
            doc.Add(productsHeader);
            doc.Add(new Paragraph(" "));

            //a vendor should have access only to products
            var orderItems = await _orderService.GetOrderItemsAsync(order.Id, vendorId: vendorId);

            var count = 5 + (_catalogSettings.ShowSkuOnProductDetailsPage ? 1 : 0)
                        + (_vendorSettings.ShowVendorOnOrderDetailsPage ? 1 : 0);

            var productsTable = new PdfPTable(count)
            {
                RunDirection = GetDirection(lang),
                WidthPercentage = 100f
            };

            var widths = new Dictionary<int, int[]>
            {
                { 5, new[] { 20, 40, 15, 10, 15 } },
                { 6, new[] { 20, 35, 15, 10, 10, 10 } },
                { 7, new[] { 20, 30, 10, 10, 10, 10, 10 } }
            };

            productsTable.SetWidths(lang.Rtl ? widths[count].Reverse().ToArray() : widths[count]);

            //product image
            var cellProductItemPicture = await GetPdfCellAsync("PDFInvoice.ProductImage", lang, font);
            cellProductItemPicture.BackgroundColor = BaseColor.LightGray;
            cellProductItemPicture.HorizontalAlignment = Element.ALIGN_CENTER;
            productsTable.AddCell(cellProductItemPicture);

            //product name
            var cellProductItem = await GetPdfCellAsync("PDFInvoice.ProductName", lang, font);
            cellProductItem.BackgroundColor = BaseColor.LightGray;
            cellProductItem.HorizontalAlignment = Element.ALIGN_CENTER;
            productsTable.AddCell(cellProductItem);

            //SKU
            if (_catalogSettings.ShowSkuOnProductDetailsPage)
            {
                cellProductItem = await GetPdfCellAsync("PDFInvoice.SKU", lang, font);
                cellProductItem.BackgroundColor = BaseColor.LightGray;
                cellProductItem.HorizontalAlignment = Element.ALIGN_CENTER;
                productsTable.AddCell(cellProductItem);
            }

            //Vendor name
            if (_vendorSettings.ShowVendorOnOrderDetailsPage)
            {
                cellProductItem = await GetPdfCellAsync("PDFInvoice.VendorName", lang, font);
                cellProductItem.BackgroundColor = BaseColor.LightGray;
                cellProductItem.HorizontalAlignment = Element.ALIGN_CENTER;
                productsTable.AddCell(cellProductItem);
            }

            //price
            cellProductItem = await GetPdfCellAsync("PDFInvoice.ProductPrice", lang, font);
            cellProductItem.BackgroundColor = BaseColor.LightGray;
            cellProductItem.HorizontalAlignment = Element.ALIGN_CENTER;
            productsTable.AddCell(cellProductItem);

            //qty
            cellProductItem = await GetPdfCellAsync("PDFInvoice.ProductQuantity", lang, font);
            cellProductItem.BackgroundColor = BaseColor.LightGray;
            cellProductItem.HorizontalAlignment = Element.ALIGN_CENTER;
            productsTable.AddCell(cellProductItem);

            //total
            cellProductItem = await GetPdfCellAsync("PDFInvoice.ProductTotal", lang, font);
            cellProductItem.BackgroundColor = BaseColor.LightGray;
            cellProductItem.HorizontalAlignment = Element.ALIGN_CENTER;
            productsTable.AddCell(cellProductItem);

            var vendors = _vendorSettings.ShowVendorOnOrderDetailsPage ?

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