nl_tokens: Image functionality ported from pdf . js
pl_tokens: function getImages ( ) { var images = this . internal . collections [ namespace + 'images' ] ; //first run, so initialise stuff if ( ! <mask> ) { this . internal . collections [ namespace + 'images' ] = images = { } ; this . internal . events . subscribe ( 'putResources' , putResourcesCallback ) ; this . internal . events . subscribe ( 'putXobjectDict' , putXObjectsDictCallback ) ; } return images ; }