ByteScout Cloud API Server - Add Text And Images To PDF - Delphi - Add Text And Images To PDF - ByteScout

ByteScout Cloud API Server – Add Text And Images To PDF – Delphi – Add Text And Images To PDF

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How to add text and images to PDF in Delphi using ByteScout Cloud API Server

ByteScout Cloud API Server is API server that is ready to use and can be installed and deployed in less than 30 minutes on your own Windows server or server in a cloud. It can save data and files on your local server-based file storage or in Amazon AWS S3 storage. Data is processed solely on the API server and is powered by ByteScout engine, no cloud services or Internet connection is required for data processing..

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AddImagesToExistingPDF.dpr

      
program AddImagesToExistingPDF; //*******************************************************************************************// // // // Download Free Evaluation Version From: https://bytescout.com/download/web-installer // // // // Also available as Web API! Get Your Free API Key: https://app.pdf.co/signup // // // // Copyright (c) 2017-2020 ByteScout, Inc. All rights reserved. // // https://www.bytescout.com // // https://pdf.co // // // //*******************************************************************************************// {$APPTYPE CONSOLE} {$R *.res} uses System.SysUtils, Classes, IdURI, ByteScoutWebApiExec in 'ByteScoutWebApiExec.pas'; var query: string; file_name: string; waiting_any_key: char; const // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api API_KEY: string = '********************************************' // Direct URL of source PDF file. SOURCE_FILE_URL: string = 'https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-edit/sample.pdf'; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. PAGES: string = ''; // PDF document password. Leave empty for unprotected documents. PASSWORD: string = ''; // Destination PDF file name DESTINATION_FILE: string = 'result.pdf'; // Image params TYPE1: string = 'image'; X1: integer = 400; Y1: integer = 20; WIDTH1: integer = 119; HEIGHT1: integer = 32; IMAGE_URL: string = 'https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-edit/logo.png'; begin try // Prepare URL for `PDF Edit` API call query := TIdURI.URLEncode(Format('https://localhost/pdf/edit/add' + '?name=%s&password=%s&pages=%s' + '&url=%s&type=%s&x=%d&y=%d&width=%d&height=%d&urlimage=%s', [ExtractFileName(DESTINATION_FILE), PASSWORD, PAGES, SOURCE_FILE_URL, TYPE1, X1, Y1, WIDTH1, HEIGHT1, IMAGE_URL])); if (WebAPIExec(query, API_KEY, file_name)) then Writeln(Format('Generated file saved to "%s" file."', [file_name])); finally Writeln('Press any key to continue...'); Readln(waiting_any_key); end; end.

ByteScoutWebApiExec.pas

      
unit ByteScoutWebApiExec; interface function WebAPIExec(query, api_key: string; var file_name: string): boolean; implementation uses System.SysUtils, Classes, IdHTTP, IdURI, IdSSL, IdSSLOpenSSL, System.JSON; function WebAPIExec(query, api_key: string; var file_name: string): boolean; var http: TIdHTTP; http_file_downloader: TIdHTTP; response_stream: TStringStream; response: string; io_handler: TIdSSLIOHandlerSocketOpenSSL; response_json: TJSONObject; is_error: TJSONBool; file_url: string; file_stream: TFileStream; error_message: TJSONString; begin Result := false; file_name := ''; // Put the necessary libeay32.dll & ssleay32.dll library versions in the // program folder io_handler := TIdSSLIOHandlerSocketOpenSSL.Create(nil); io_handler.SSLOptions.Method := sslvSSLv23; io_handler.SSLOptions.SSLVersions := [sslvSSLv23]; http := TIdHTTP.Create(nil); http.HTTPOptions := http.HTTPOptions + [hoForceEncodeParams]; http.AllowCookies := true; http.HandleRedirects := true; http.Request.Connection := 'keep-alive'; http.Request.ContentType := 'application/json; charset=utf-8'; http.Request.UserAgent := 'User-Agent:Mozilla/5.0 (Windows NT 6.1; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36'; http.IOHandler := io_handler; response_stream := TStringStream.Create(); file_stream := nil; http_file_downloader := nil; try try // Set API Key http.Request.CustomHeaders.AddValue('x-api-key', api_key); // Execute request http.Get(query, response_stream); // Parse JSON response response_json := TJSONObject.ParseJSONValue(response_stream.DataString, false) as TJSONObject; is_error := response_json.Values['error'] as TJSONBool; if (not is_error.AsBoolean) then begin file_url := TJSONString(response_json.Values['url']).ToString(); file_url := StringReplace(file_url, '"', '', [rfReplaceAll]); file_name := ExtractFileName(StringReplace(file_url, '/', '\', [rfReplaceAll])); file_name := IncludeTrailingPathDelimiter(ExtractFilePath(ParamStr(0))) + file_name; http_file_downloader := TIdHTTP.Create(nil); // Download generated file file_stream := TFileStream.Create(file_name, fmCreate); http_file_downloader.Get(file_url, file_stream); Result := true; end else begin error_message := response_json.Values['message'] as TJSONString; raise Exception.Create(error_message.ToString); end; except on E: Exception do begin response := http.ResponseText; Writeln(E.ClassName, ': ', E.Message); end; end; finally response_stream.Free(); http.Free(); if (Assigned(file_stream)) then file_stream.Free(); if (Assigned(http_file_downloader)) then http_file_downloader.Free(); end; end; end.

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