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Add watermark to PDF online using Java

This gist contains code snippets related to the feature of adding watermark to PDF files using Aspose.PDF Cloud SDK for Java. For more information on steps and related details, please visit

This Gist contains code snippets related to Adding watermarks to PDF file using Aspose.PDF Cloud SDK for Java
// For complete examples and source code, please visit https://github.com/aspose-pdf-cloud/aspose-pdf-cloud-java
// Get ClientID and ClientSecret from https://dashboard.aspose.cloud/
String clientId = "c235e685-1aab-4cda-a95b-54afd63eb87f";
String clientSecret = "b8da4ee37494f2ef8da3c727f3a0acb9";
// create an instance of PdfApii
PdfApi pdfApi = new PdfApi(clientSecret,clientId);
// input PDF document
String file = "PdfWithTable.pdf";
// Source image to be used for watermark
String image = "Koala.jpg";
// page number where watermark will be added
int pageNumber = 1;
// create an instance of ImageStamp object
ImageStamp stampObject = new ImageStamp()
.fileName(image)
.leftMargin(1.)
.rightMargin(2.)
.topMargin(3.)
.bottomMargin(214.)
.verticalAlignment(com.aspose.asposecloudpdf.model.VerticalAlignment.CENTER);
// add watermark behind page content
stampObject.background(true)
.horizontalAlignment(com.aspose.asposecloudpdf.model.HorizontalAlignment.CENTER)
.opacity(1.)
.rotate(com.aspose.asposecloudpdf.model.Rotation.NONE)
.rotateAngle(0.)
.xindent(0.)
.yindent(0.)
.zoom(0.2);
// create a list of ImageStamp object
List<com.aspose.asposecloudpdf.model.ImageStamp> stamps = new ArrayList<>();
// Add ImageStamp to List of ImageStamps
stamps.add(stampObject);
// call API method to add watermark image to PDF
AsposeResponse response = pdfApi.postPageImageStamps(file, pageNumber, stamps,null, null);
// For complete examples and source code, please visit https://github.com/aspose-pdf-cloud/aspose-pdf-cloud-java
// Get ClientID and ClientSecret from https://cloud.aspose.com
String clientId = "c235e685-1aab-4cda-a95b-54afd63eb87f";
String clientSecret = "b8da4ee37494f2ef8da3c727f3a0acb9";
// create PdfApi instance
PdfApi pdfApi = new PdfApi(clientSecret,clientId);
// input PDF document
String sourcePDF = "PdfWithAnnotations.pdf";
// Source PDF to be used for watermark
String stampPDF = "rusdoc.pdf";
// page number where watermark will be added
int pageNumber = 1;
// create an instance of PdfPageStamp object
PdfPageStamp stampObject = new PdfPageStamp()
// PDF file to be used as watermark
.fileName(stampPDF)
// specify the page index which you want to add as watermark
.pageIndex(1)
.leftMargin(150.)
.rightMargin(2.)
// we have set -ve top margin to move up the watermark PDF
.topMargin(-330.)
.bottomMargin(414.)
// set vertical alignment of watermark as Top
.verticalAlignment(com.aspose.asposecloudpdf.model.VerticalAlignment.TOP);
// bring the watermark to foreground/visible
stampObject.background(false)
.horizontalAlignment(com.aspose.asposecloudpdf.model.HorizontalAlignment.CENTER)
.opacity(1.)
.rotate(com.aspose.asposecloudpdf.model.Rotation.NONE)
.rotateAngle(0.)
.xindent(0.)
.yindent(0.)
// set zoom factor as 0.7 so that its squeezed rather it appears in 100%
.zoom(0.7);
// create a list of PdfPageStamp object
List<com.aspose.asposecloudpdf.model.PdfPageStamp> stamps = new ArrayList<>();
// Add PdfPageStamp to List of ImageStamps
stamps.add(stampObject);
// call API method to add PDF as watermark
AsposeResponse response = pdfApi.postPagePdfPageStamps(sourcePDF, pageNumber, stamps,null, null);
// For complete examples and source code, please visit https://github.com/aspose-pdf-cloud/aspose-pdf-cloud-java
// Get ClientID and ClientSecret from https://dashboard.aspose.cloud/
String clientId = "29ac1517-753f-4303-b755-7185e35cf939";
String clientSecret = "c537caf71eafc8a75a5ee7813b703276";
String sourceFileName = "PdfWithTable.pdf";
int pageNumber = 1;
String cloudStorage = "";
String folder = "";
// create an instance of PdfApi using Client ID and Client Secret details
com.aspose.asposecloudpdf.api.PdfApi pdfApi = new com.aspose.asposecloudpdf.api.PdfApi(clientSecret,clientId);
// create an object of TextState and specify font formatting details
com.aspose.asposecloudpdf.model.TextState textState = new com.aspose.asposecloudpdf.model.TextState().fontSize(24.).font("Arial");
com.aspose.asposecloudpdf.model.TextStamp stamp = new com.aspose.asposecloudpdf.model.TextStamp()
.textAlignment(com.aspose.asposecloudpdf.model.HorizontalAlignment.CENTER)
.value("Text Stamp")
.textState(textState)
.leftMargin(1.)
.rightMargin(2.)
.topMargin(3.)
.bottomMargin(4.)
.verticalAlignment(com.aspose.asposecloudpdf.model.VerticalAlignment.CENTER);
stamp.background(true)
.horizontalAlignment(com.aspose.asposecloudpdf.model.HorizontalAlignment.CENTER)
.opacity(1.)
.rotate(com.aspose.asposecloudpdf.model.Rotation.ON90)
.rotateAngle(45.)
.xindent(0.)
.yindent(0.)
.zoom(1.);
// create a List object with type TextStamp
List<com.aspose.asposecloudpdf.model.TextStamp> stamps = new ArrayList<>();
// add TextStamp instance to list of TextStamps
stamps.add(stamp);
// call method to postTextStamp to first page of PDF file
com.aspose.asposecloudpdf.model.AsposeResponse response = pdfApi.postPageTextStamps(sourceFileName, pageNumber, stamps,cloudStorage, folder);
// For complete examples and source code, please visit https://github.com/aspose-pdf-cloud/aspose-pdf-cloud-java
// Get ClientID and ClientSecret from https://dashboard.aspose.cloud/
String clientId = "c235e685-1aab-4cda-a95b-54afd63eb87f";
String clientSecret = "b8da4ee37494f2ef8da3c727f3a0acb9";
PdfApi pdfApi = new PdfApi(clientSecret,clientId);
// input PDF document
String sourcePDF = "PdfWithTable.pdf";
// create an instance of PdfPageStamp object
PageNumberStamp stampObject = new PageNumberStamp()
// Format for Page Number watermark
.value("Page #")
.leftMargin(1.)
.rightMargin(2.)
.topMargin(3.)
.bottomMargin(4.)
// set vertical alignment of watermark as Bottom
.verticalAlignment(com.aspose.asposecloudpdf.model.VerticalAlignment.BOTTOM);
// specify the starting number for counter
stampObject.setStartingNumber(3);
// bring the watermark to foreground/visible
stampObject.background(false)
.horizontalAlignment(com.aspose.asposecloudpdf.model.HorizontalAlignment.CENTER)
.opacity(1.)
.rotate(com.aspose.asposecloudpdf.model.Rotation.NONE)
.rotateAngle(0.)
.xindent(0.)
.yindent(0.)
.zoom(1.0);
// staring page form where to put watermark
int startPageNumber = 2;
// page index towards which watermark shall be placed
int endPageNumber = 3;
// call API method to add PDF as watermark
AsposeResponse response = pdfApi.postDocumentPageNumberStamps(sourcePDF, stampObject,startPageNumber, endPageNumber, null, null);
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