/// <summary>
        /// Attaches files to a PDF file.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFile">A stream of the PDF file input.</param>
        /// <param name="attachments">Streams of files to attach to the PDF.</param>
        /// <param name="page">The page to attach the given files, if null then files are attached to the document level.</param>
        /// <returns>A result with the files attached to the PDF.</returns>
        public static async Task <IPDFtkResult <byte[]> > AttachFiles(this IPDFtk pdftk, Stream pdfFile, IEnumerable <KeyValuePair <string, Stream> > attachments, int?page = null)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);

            using var attachmentFiles = await TempPDFtkFiles.FromAsync(attachments);

            return(await pdftk.AttachFiles(inputFile.TempFileName, attachmentFiles.FileNames, page));
        }
        /// <summary>
        /// Applies a stamp to a PDF file.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFile">A stream of the PDF file input.</param>
        /// <param name="stampPdfFile">A stream of the PDF stamp to apply.</param>
        /// <returns>A result with the stamped PDF file.</returns>
        public static async Task <IPDFtkResult <byte[]> > StampAsync(this IPDFtk pdftk, Stream pdfFile, Stream stampPdfFile)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);

            using var stampFile = await TempPDFtkFile.FromAsync(stampPdfFile);

            return(await pdftk.StampAsync(inputFile.TempFileName, stampFile.TempFileName));
        }
        /// <summary>
        /// Replaces a range of pages in a PDF with another PDF
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFile">A stream of the PDF file input.</param>
        /// <param name="startPage">The page to replace</param>
        /// <param name="endPage">The page to replace</param>
        /// <param name="replacementPdfFile">A stream of the PDF file to replace the page with.</param>
        /// <returns>A result with the PDF form filled as a byte array.</returns>
        public static async Task <IPDFtkResult <byte[]> > ReplacePage(this IPDFtk pdftk, Stream pdfFile, int startPage, int endPage, Stream replacementPdfFile)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);

            using var replacementFile = await TempPDFtkFile.FromAsync(replacementPdfFile);

            return(await pdftk.ReplacePages(inputFile.TempFileName, startPage, endPage, replacementFile.TempFileName));
        }
        /// <summary>
        /// Replaces a page in a PDF with another PDF
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="fileBytes">A byte array of the PDF file input.</param>
        /// <param name="page">The page to replace</param>
        /// <param name="replacementFileBytes">A byte array of the PDF file to replace the page with.</param>
        /// <returns>A result with the PDF form filled as a byte array.</returns>
        public static async Task <IPDFtkResult <byte[]> > ReplacePage(this IPDFtk pdftk, byte[] fileBytes, int page, byte[] replacementFileBytes)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(fileBytes);

            using var replacementFile = await TempPDFtkFile.FromAsync(replacementFileBytes);

            return(await pdftk.ReplacePage(inputFile.TempFileName, page, replacementFile.TempFileName));
        }
        /// <summary>
        /// Fill a PDF form with given data and returns the output PDF as a byte array.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFile">A stream of the PDF file input.</param>
        /// <param name="fieldData">A key value pair of form field name to value.</param>
        /// <param name="flatten">If the final PDF should be flattened.</param>
        /// <param name="dropXfa">If the XFA data should be omitted from final PDF.</param>
        /// <returns>A result with the PDF form filled as a byte array.</returns>
        public static async Task <IPDFtkResult <byte[]> > FillFormAsync(this IPDFtk pdftk, Stream pdfFile,
                                                                        IReadOnlyDictionary <string, string> fieldData,
                                                                        bool flatten,
                                                                        bool dropXfa)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);

            return(await pdftk.FillFormAsync(inputFile.TempFileName,
                                             fieldData,
                                             flatten,
                                             dropXfa));
        }
        /// <summary>
        /// Merges multiple PDFs into one single PDF and returns the output PDF as a byte array.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFiles">An enumeration of streams of the PDF files to merge.</param>
        /// <returns>A result with the PDF as a byte array of the merged PDFs.</returns>
        public static async Task <IPDFtkResult <byte[]> > ConcatAsync(this IPDFtk pdftk, IEnumerable <Stream> pdfFiles)
        {
            var inputFiles = await Task.WhenAll(
                pdfFiles.Select(async file => await TempPDFtkFile.FromAsync(file))
                .ToList());

            try
            {
                return(await pdftk.ConcatAsync(inputFiles.Select(x => x.TempFileName)));
            }
            finally
            {
                inputFiles.Dispose();
            }
        }
Beispiel #7
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 public IndexModel(IPDFtk pdFtk, ILogger <IndexModel> logger)
 {
     _pdFtk  = pdFtk;
     _logger = logger;
 }
        /// <summary>
        /// Splits a single PDF in many pages and return an enumeration of bytes representing each page a s single PDF.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFile">A stream of the PDF file input.</param>
        /// <returns>A result with an enumeration of key value pair where the key is the filename and the value is a byte arrays.</returns>
        public static async Task <IPDFtkResult <IReadOnlyCollection <KeyValuePair <string, byte[]> > > > SplitAsync(this IPDFtk pdftk, Stream pdfFile)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);

            return(await pdftk.SplitAsync(inputFile.TempFileName));
        }
        /// <summary>
        /// Reads the PDF and returns the form field statistics.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFile">A stream of the PDF file input.</param>
        /// <returns>A result with the form field statistics</returns>
        public static async Task <IPDFtkResult <IDataField[]> > GetDataFieldsAsync(this IPDFtk pdftk, Stream pdfFile)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);

            return(await pdftk.GetDataFieldsAsync(inputFile.TempFileName));
        }
        /// <summary>
        /// Concatenate a list of pages into one single file and returns the output PDF as a byte array.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFile">A stream of the PDF file input.</param>
        /// <param name="pages">The pages to concatenate.</param>
        /// <returns>A result with the PDF as a byte array with the concatenated pages.</returns>
        public static async Task <IPDFtkResult <byte[]> > GetPagesAsync(this IPDFtk pdftk, Stream pdfFile, params int[] pages)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);

            return(await pdftk.GetPagesAsync(inputFile.TempFileName, pages));
        }
        /// <summary>
        /// Return the number of pages for a given PDF.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="pdfFile">A stream containing the PDF file input.</param>
        /// <returns>A result with the number of pages.</returns>
        /// See <see cref="PDFtkByteArrayExtensions.GetNumberOfPagesAsync(IPDFtk, byte[])"/> to use a PDF input as a byte array or <see cref="IPDFtk.GetNumberOfPagesAsync(string)"/> to use a PDF file path.
        public static async Task <IPDFtkResult <int?> > GetNumberOfPagesAsync(this IPDFtk pdftk, Stream pdfFile)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);

            return(await pdftk.GetNumberOfPagesAsync(inputFile.TempFileName));
        }
        /// <summary>
        /// Extracts attachments from a PDF file.
        /// </summary>
        /// <param name="pdftk">The IPDFtk object.</param>
        /// <param name="fileBytes">A byte array of the PDF file input.</param>
        /// <returns>A result with the attachments.</returns>
        public static async Task <IPDFtkResult <IReadOnlyCollection <KeyValuePair <string, byte[]> > > > ExtractAttachments(this IPDFtk pdftk, byte[] fileBytes)
        {
            using var inputFile = await TempPDFtkFile.FromAsync(fileBytes);

            return(await pdftk.ExtractAttachments(inputFile.TempFileName));
        }