AsposePdfAddStamp
Add stamp to a PDF-file.
function AsposePdfAddStamp(
    fileName,
    fileStamp,
    setBackground,
    setXIndent,
    setYIndent,
    setHeight,
    setWidth,
    rotation,
    setOpacity,
    fileNameResult 
)
Parameters:
- 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)
 - fileNameResult result file name
 
Return:
JSON object
- errorCode - code error (0 no error)
 - errorText - text error ("" no error)
 - fileNameResult - result file name
 
CommonJS:
const AsposePdf = require('asposepdfnodejs');
const pdf_file = 'Aspose.pdf';
const stamp_file = 'Aspose.jpg';
AsposePdf().then(AsposePdfModule => {
    /*Add stamp to a PDF-file and save the "ResultAddStamp.pdf"*/
    const json = AsposePdfModule.AsposePdfAddStamp(pdf_file, stamp_file, 0, 5, 5, 40, 40, AsposePdfModule.Rotation.on270, 0.5, "ResultAddStamp.pdf");
    console.log("AsposePdfAddStamp => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);
});
ECMAScript/ES6:
import AsposePdf from 'asposepdfnodejs';
const AsposePdfModule = await AsposePdf();
const pdf_file = 'Aspose.pdf';
const stamp_file = 'Aspose.jpg';
/*Add stamp to a PDF-file and save the "ResultAddStamp.pdf"*/
const json = AsposePdfModule.AsposePdfAddStamp(pdf_file, stamp_file, 0, 5, 5, 40, 40, AsposePdfModule.Rotation.on270, 0.5, "ResultAddStamp.pdf");
console.log("AsposePdfAddStamp => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);