AsposePSMergeToPdf

AsposePSMergeToPdf function

Merge the Postscript files to PDF.

function AsposePSMergePdf(
    fileNames, 
    fileNameResult, 
    supressErrors
)
ParameterTypeDescription
fileNamesstringThe names of files for merge.
fileNameResultstringThe name of result pdf file.
supressErrorsboolSpecifies whether errors must be suppressed or not.

Return Value

JSON object

FieldDescription
errorCodecode error (0 no error)
errorTexttext error ("" no error)
fileNameResultresult file name

Examples

  var fPsAsPdf = function (e) {
    const file_reader = new FileReader();
    file_reader.onload = (event) => {
      const json = AsposePSMergeToPdf(event.target.result, e.target.files[0].name, true);
      if (json.errorCode == 0) {
        DownloadFile(json.fileNameResult, "image/pdf");
      }
      else 
        document.getElementById('output').textContent = json.errorText;
    }
    file_reader.readAsArrayBuffer(e.target.files[0]);
  }

Web Worker example:


  /*Create Web Worker*/
  const AsposePageWebWorker = new Worker("AsposePageforJS.js");
  AsposePageWebWorker.onerror = evt => console.log(`Error from Web Worker: ${evt.message}`);
  AsposePageWebWorker.onmessage = evt => document.getElementById('output').textContent = 
    (evt.data == 'ready') ? 'library loaded!' :
      (evt.data.json.errorCode == 0) ? `Result:\n${DownloadFile(evt.data.json.fileNameResult, "application/image", evt.data.params[0])}` : `Error: ${evt.data.json.errorText}`;

  /*Event handler*/
  const fPsAsPdf = e => {
    const file_reader = new FileReader();
    file_reader.onload = event => {
      /*Convert a Postscript to PNG and save - Ask Web Worker*/
      AsposePageWebWorker.postMessage({ "operation": 'AsposePSMergeToPdf', "params": [event.target.result, e.target.files[0].name, true] }, [event.target.result]);
    };
    file_reader.readAsArrayBuffer(e.target.files[0]);
  };

  /*Make a link to download the result file*/
  const DownloadFile = function (filename, mime, content) {
      mime = mime || "application/octet-stream";
      var link = document.createElement("a"); 
      link.href = URL.createObjectURL(new Blob([content], {type: mime}));
      link.download = filename;
      link.textContent = filename;
      link.title = "Click here to download the file";
      document.getElementById('fileDownload').appendChild(link);
      document.getElementById('fileDownload').appendChild(document.createElement("br"));
  }

See Also