New OC funtion to get list of installed fonts

Version: 2019

Type: Features

Category: Programming

Subcategory: Origin C

Jira: ORG-18839

Added following  OC function to get the name list of installed fonts:

int GetFontNames(vector<string>* pstrNames, BOOL bIncludeDefFont = TRUE);
  pstrNames[output]:font name list.
  bIncludeDefFont[input]:whether include origin default font.
  Count of font names