8.30 PDF_define_layer( )                           

pageelement            

HF           

/                    

FG                          

BG               

L                                   

printsubtype             

subtype

Trapping   

PrintersMarks    Watermark                                    

printstate    boolean   true         

Acrobat                                  

zoom

float       

1.0   

100                                                                 

maxzoom                                                                        

C++  Java void set_layer_dependency(String type, String optlist)

Perl  PHP PDF_set_layer_dependency(resource p, string type, string optlist)

C void PDF_set_layer_dependency(PDF *p, const char *type, const char *optlist)

type

> GroupAllOn   group                                                                 

depend

> GroupAnyOn    group                                                                     

depend                                                      

> GroupAllOff    group                                                        

depend     

> GroupAnyOff    group                                                            

depend

> Parent    parent                                       

children                               

> Radiobtn   group                                                                            

> Title   parent                                                                             

children                                                                             

optlist

document    page  

8.31 PDF_set_layer_dependency( )                          

parent

   type=Parent    Title             

children                                       

children

   type=Parent    Title                                                         

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:  PDFlib    PDI    PPS API