AsposePSExtractText

AsposePSExtractText function

Extract text from PS file. The text can be extracted only if it is written with Type 42 (TrueType) font or Type 0 font with Type 42 fonts in its Vector Map.

function AsposePSExtractText(
    fileBlob,
    fileName, 
    start,
    end
)

Parameter	Type	Description
fileBlob	Blob object	Content of source file.
fileName	string	Source file name.
start	int	Specifies the page from which to begin to extract text. This parameter is usefull for multi-paged documents.
end	int	Specifies the page till which to finish to extract text. This parameter is usefull for multi-paged documents.

Return Value

JSON object

Field	Description
errorCode	code error (0 no error)
errorText	text error ("" no error)
text	the extracted text

Examples

  var fPSExtractText = function (e) {
    const file_reader = new FileReader();
    file_reader.onload = (event) => {
      const json = AsposePSExtractText(event.target.result, e.target.files[0].name);
      if (json.errorCode == 0) {
        document.getElementById('output').textContent = "Text:" + json.text;
      }
      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) ? 
        ((evt.data.operation == 'AsposePSExtractText') ? `Text: ${evt.data.json.text}` : `` ) : `Error: ${evt.data.json.errorText}`;

  /*Event handler*/
  const fPSExtractText = e => {
    const file_reader = new FileReader();
    file_reader.onload = event => {
      AsposePageWebWorker.postMessage({ "operation": 'AsposePSExtractText', "params": [event.target.result, e.target.files[0].name] }, [event.target.result]);
    };
    file_reader.readAsArrayBuffer(e.target.files[0]);
  };

See Also

• function AsposePSGetBoundingBox