fglgallery: Image gallery module

Table 1. fglgallery user defined types (fglgallery.4gl)
Type Description 
PUBLIC TYPE t_struct_value RECORD
    current INTEGER,
    selected DYNAMIC ARRAY OF INTEGER
  END RECORD
 The t_struct_value type holds image selection data.
Table 2. fglgallery utility functions (fglgallery.4gl)
Constant Description 
addImage(
   id SMALLINT,
   path STRING,
   title STRING )
 Adds a picture resource to an fglgallery. 
clean( id SMALLINT )
 Removes all pictures from an fglgallery. 
create( name STRING )
  RETURNS SMALLINT
 Creates a new fglgallery handle. 
deleteImages(
   id SMALLINT,
   indexes DYNAMIC ARRAY OF INTEGER )
  RETURNS STRING
 Deletes pictures used in an fglgallery. 
destroy( id SMALLINT )
 Frees resources allocated for an fglgallery. 
display(
   id SMALLINT,
   type INTEGER,
   size INTEGER )
 Displays an fglgallery to the end user. 
finalize( )
 Releases the fglgallery library. 
flush( id SMALLINT )
 Displays new added images to the end user. 
getImageCount( id SMALLINT )
  RETURNS INTEGER
 Returns the number of pictures in an fglgallery. 
getPath(
   id SMALLINT,
   index STRING )
  RETURNS STRING
 Returns the URL of a picture in an fglgallery. 
getTitle(
   id SMALLINT,
   index STRING )
  RETURNS STRING
 Returns the description of a picture in an fglgallery. 
initialize( )
 Prepares the fglgallery library for use. 
setAspectRatio(
   id SMALLINT,
   ratio DECIMAL(5,2) )
 Prepares the fglgallery library for use. 
setMultipleSelection(
   id SMALLINT,
   on BOOLEAN )
 Prepares the fglgallery library for use.