AsposePdfAddStamp

Add stamp to PDF file.

function AsposePdfAddStamp(
    fileBlob,
    fileName,
    fileStamp,
    setBackground,
    setXIndent,
    setYIndent,
    setHeight,
    setWidth,
    rotation,
    setOpacity,
    fileNameResult 
)

Parameters:

• fileBlob Blob object
• fileName file name
• fileStamp stamp (image) file name
• setBackground background (1 or 0)
• setXIndent x indent stamp
• setYIndent y indent stamp
• setHeight height stamp
• setWidth width stamp
• rotation stamp rotation:
  • Module.Rotation.None
  • Module.Rotation.on90
  • Module.Rotation.on180
  • Module.Rotation.on270
• setOpacity opacity stamp (decimal)
• fileResultName result file name

Return:

JSON object

• errorCode - code error (0 no error)
• errorText - text error ("" no error)
• fileNameResult - result file name

Example:

  /*set the default stamp filename*/
  var fileStamp = "/Aspose.jpg";

  var ffileStamp = function (e) {
    const file_reader = new FileReader();
    /*set the stamp filename*/
    fileStamp = e.target.files[0].name;
    file_reader.onload = (event) => {
      /*prepare(save) the stamp file from BLOB*/
      AsposePdfPrepare(event.target.result, fileStamp);
    };
    file_reader.readAsArrayBuffer(e.target.files[0]);
  };

  var ffileAddStamp = function (e) {
    const file_reader = new FileReader();
    file_reader.onload = (event) => {
      /*insert the stamp file to a PDF-file and save the "ResultImage.pdf"*/
      const json = AsposePdfAddStamp(event.target.result, e.target.files[0].name, fileStamp, 0, 5, 5, 40, 40, Module.Rotation.on270, 0.5, "ResultStamp.pdf");
      if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
      else document.getElementById('output').textContent = json.errorText;
      /*make a link to download the result file*/
      DownloadFile(json.fileNameResult, "application/pdf");
    };
    file_reader.readAsArrayBuffer(e.target.files[0]);
  };