AsposeFontGetInfo

AsposeFontGetInfo function

Get info (metadata) from a Font-file.

function AsposeFontGetInfo(
    fileBlob,
    fileName
)

Parameter	Type	Description
fileBlob	Blob object	Content of source font for convert.
fileName	string	File name.

Return Value

JSON object

Field	Description
errorCode	code error (0 no error)
errorText	text error ("" no error)
records	Array of JSON objects :
* NameId	name identifier
* PlatformId	platform identifier
* PlatformSpecificId	platform-specific identifier
* LanguageId	language identifier
* Info	content of name record

Examples

Web Worker example:

  /*Create Web Worker*/
  const AsposeFontWebWorker = new Worker("AsposeFontforJS.js");
  AsposeFontWebWorker.onerror = (evt) => console.log(`Error from Web Worker: ${evt.message}`);
  AsposeFontWebWorker.onmessage = (evt) => document.getElementById("output").textContent =
    evt.data == "ready"
      ? "loaded!"
      : evt.data.json.errorCode == 0
      ? "Name records count: " + evt.data.json.records.length + 
                                            evt.data.json.records.reduce((ret, a) => ret +
                                            "\nNameId : " + a.NameId
                                          + "; PlatformId : " + a.PlatformId
                                          + "; PlatformSpecificId : " + a.PlatformSpecificId
                                          + "; LanguageId : " + a.LanguageId
                                          + "; Info : " + a.Info,"")
      : `Error: ${evt.data.json.errorText}`;

  /*Event handler*/
  const ffileFontGetInfo = e => {
    const file_reader = new FileReader();
    file_reader.onload = event => {
      /*Get info (metadata) from a Font-file - Ask Web Worker*/
      AsposeFontWebWorker.postMessage({ "operation": 'AsposeFontGetInfo', "params": [event.target.result, e.target.files[0].name] }, [event.target.result]);
    };
    file_reader.readAsArrayBuffer(e.target.files[0]);
  };

Simple example:

  var ffileFontGetInfo = function (e) {
    const file_reader = new FileReader();
    file_reader.onload = (event) => {
      const json = AsposeFontGetInfo(event.target.result, e.target.files[0].name);
      if (json.errorCode == 0) {
        document.getElementById('output').textContent = "Name records count: " + json.records.length;
        for (let recordIndex = 0; recordIndex < json.records.length; recordIndex++) 
			document.getElementById('output').textContent += " " + "\n"
                                                         + "NameId : " + json.records[recordIndex].NameId
                                                         + ";  PlatformId : " + json.records[recordIndex].PlatformId
                                                         + ";  PlatformSpecificId : " + json.records[recordIndex].PlatformSpecificId
                                                         + ";  LanguageId : " + json.records[recordIndex].LanguageId
                                                         + ";  Info : " + json.records[recordIndex].Info;
      }
      else document.getElementById('output').textContent = json.errorText;
    }
    file_reader.readAsArrayBuffer(e.target.files[0]);
  }