PDFDictionary Class Reference

Public Member Functions
	getAt (key)
	Get the value of the specified key in the pdf dictionary. More...
	hasKey (key)
	Check if the specified key is in the dictionary. More...
	setAt (key, value)
	Set key and value to the pdf dictionary. More...

Detailed Description

PDF Dictionary object

Member Function Documentation

getAt()

PDFDictionary::getAt (   key )

inline

Get the value of the specified key in the pdf dictionary.

Since

7.6.0

Parameters

key	string - Specifies the key of dictionary.

Returns

Promise<number|boolean|string> - If the specified key does not exist in the dictionary or the value type is unaccepted, an error will be raised.

Example:

function example (pdfDictionary) {
 try {
 let value = await pdfDictionary.getAt('CustKey');
 } catch(e) {
 console.warn(e);
 }
}

hasKey()

PDFDictionary::hasKey (   key )

inline

Check if the specified key is in the dictionary.

Since

7.6.0

Parameters

key	string - Specifies the key of dictionary.

Returns

Promise<boolean> - True if the key exists, otherwise false.

Example:

function example (pdfDictionary) {
 return await pdfDictionary.hasKey('Type');
}

setAt()

PDFDictionary::setAt (   key,   value  )

inline

Set key and value to the pdf dictionary.

Since

7.6.0

Parameters

key	string - Specifies the key of dictionary.
value	number|boolean|string - Specifies the value associated with the key.

Returns

Promise<boolean> - True if there set successfully, otherwise false.

Example:

async function example (pdfDictionary) {
 await pdfDictionary.setAt('CustString', 'Hello');
 await pdfDictionary.setAt('CustNubmer', 100);
 await pdfDictionary.setAt('CustBoolean', true);
}