Tambah teks utawa gambar watermark menyang PDF dokumen nggunakake Dart. Muat PDF dokumen lan lebokake tandha banyu sing dibutuhake. Banjur simpen asil ing format sing trep kayata DOCX, PDF, MD, HTML, TXT, DOC, RTF, EPUB, XPS lan liya-liyane, lan nuduhake dokumen sing diwenehi tandha banyu karo wong liya. Uga mbusak tandha banyu saka PDF dokumen yen tandha banyu sadurunge ditambahake menyang dokumen, lan alasan kanggo nambah ora relevan maneh.
Kanthi API Dart/Flutter iki, pangembang bisa nambah tandha banyu menyang PDF online. Mung nggawe watermark nggunakake teks utawa gambar banjur lebokake watermark menyang PDF dokumen ing Dart.
Cathetan: ora perlu nginstal aplikasi utawa perpustakaan pihak katelu. Mulane, solusi piranti lunak Dart/Flutter kita gampang banget digunakake.
SDK Dart/Flutter sing diwenehake uga mbiyantu mbusak tandha banyu saka PDF. Mbusak tandha banyu ing PDF tegese sampeyan bisa mbukak PDF dokumen sing dipengini kanthi prangko teks utawa gambar, mbusak tandha banyu iki saka PDF nggunakake Dart, banjur simpen file output ing format sing trep - DOC, DOCX, PDF, JPEG, PNG, TIFF lan liya-liyane.
Kanggo ngevaluasi carane nambah utawa mbusak tandha banyu ing PDF nganggo API Dart/Flutter, muat PDF lan tandha banyu minangka gambar utawa teks. Banjur pilih format file ekspor sing trep - DOC, DOCX, PDF, HTML, RTF, XPS lan liya-liyane.
Gunakake conto ing ngisor iki kanggo ndeleng cara kerjane:
import 'package:aspose_words_cloud/aspose_words_cloud.dart';
final config = Configuration("####-####-####-####-####", "##################");
final wordsApi = WordsApi(config);
final requestDocument = (await File('Input1.pdf').readAsBytes()).buffer.asByteData();
final requestImageStream = (await File('Input2.jpg').readAsBytes()).buffer.asByteData();
final requestWatermarkData = WatermarkDataImage();
requestWatermarkData.image = FileReference.fromLocalFile(requestImageStream);
final insertWatermarkRequest = InsertWatermarkOnlineRequest(
requestDocument, requestWatermarkData);
final insertWatermarkResult = await wordsApi.InsertWatermarkOnline(
insertWatermarkRequest);
final convertRequest = ConvertDocumentRequest(
insertWatermarkResult.document.values.first, 'pdf');
await wordsApi.convertDocument(convertRequest);import 'package:aspose_words_cloud/aspose_words_cloud.dart';
final config = Configuration("####-####-####-####-####", "##################");
final wordsApi = WordsApi(config);
final requestDocument = (await File('Input.pdf').readAsBytes()).buffer.asByteData();
final requestWatermarkData = WatermarkDataText();
requestWatermarkData.text = 'This is the watermark text';
requestWatermarkData.layout = WatermarkDataText_LayoutEnum.diagonal;
final insertWatermarkRequest = InsertWatermarkOnlineRequest(
requestDocument, requestWatermarkData);
final insertWatermarkResult =
await wordsApi.InsertWatermarkOnline(insertWatermarkRequest);
final convertRequest = ConvertDocumentRequest(
insertWatermarkResult.document.values.first, 'pdf');
await wordsApi.convertDocument(convertRequest);import 'package:aspose_words_cloud/aspose_words_cloud.dart';
final config = Configuration("####-####-####-####-####", "##################");
final wordsApi = WordsApi(config);
final requestDocument = (await File('Input.pdf').readAsBytes()).buffer.asByteData();
final deleteWatermarkOnline = DeleteWatermarkOnlineRequest(requestDocument);
final deletedWatermark = await wordsApi.deleteWatermarkOnline(deleteWatermarkOnline);
final convertDocument = ConvertDocumentRequest(deletedWatermark.document.values.first, 'pdf');
await wordsApi.convertDocument(convertDocument);Klone Aspose.Words Cloud SDK for Dart saka GitHub lan gunakake ing proyek sampeyan. Tambah dependensi iki menyang pubspec.yaml: dependencies: aspose_words_cloud: 22.4.0
Tututi Instructions iki supaya cepet entuk kredensial keamanan sing dibutuhake lan ngakses REST API kita.
Deleng Repository Documentation kanggo ndeleng rincian.
Sampeyan bisa nambah watermark menyang dokumen ing format liyane: