unipdf/model/internal/docutil/docutil.go

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// DO NOT EDIT: generated by unitwist Go source code obfuscator.
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package docutil ;import (_cg "errors";_ca "fmt";_a "github.com/unidoc/unipdf/v3/common";_b "github.com/unidoc/unipdf/v3/core";);type OutputIntents struct{_ce *_b .PdfObjectArray ;_gg *Document ;_ea *_b .PdfIndirectObject ;};func (_be *Catalog )HasMetadata ()bool {_cf :=_be .Object .Get ("\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061");
return _cf !=nil ;};func (_caa Content )GetData ()([]byte ,error ){_ge ,_acac :=_b .NewEncoderFromStream (_caa .Stream );if _acac !=nil {return nil ,_acac ;};_gga ,_acac :=_ge .DecodeStream (_caa .Stream );if _acac !=nil {return nil ,_acac ;};return _gga ,nil ;
};func (_efc *Document )GetPages ()([]Page ,bool ){_acc ,_ec :=_efc .FindCatalog ();if !_ec {return nil ,false ;};return _acc .GetPages ();};func (_ebc Page )FindXObjectForms ()[]*_b .PdfObjectStream {_bb ,_ddb :=_ebc .GetResourcesXObject ();if !_ddb {return nil ;
};_fda :=map[*_b .PdfObjectStream ]struct{}{};var _ag func (_bga *_b .PdfObjectDictionary ,_ced map[*_b .PdfObjectStream ]struct{});_ag =func (_feb *_b .PdfObjectDictionary ,_aaf map[*_b .PdfObjectStream ]struct{}){for _ ,_cfd :=range _feb .Keys (){_af ,_dbe :=_b .GetStream (_feb .Get (_cfd ));
if !_dbe {continue ;};if _ ,_gce :=_aaf [_af ];_gce {continue ;};_cab ,_bbb :=_b .GetName (_af .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065"));if !_bbb ||_cab .String ()!="\u0046\u006f\u0072\u006d"{continue ;};_aaf [_af ]=struct{}{};_bcf ,_bbb :=_b .GetDict (_af .Get ("\u0052e\u0073\u006f\u0075\u0072\u0063\u0065s"));
if !_bbb {continue ;};_ecb ,_ceeg :=_b .GetDict (_bcf .Get ("\u0058O\u0062\u006a\u0065\u0063\u0074"));if _ceeg {_ag (_ecb ,_aaf );};};};_ag (_bb ,_fda );var _ggbc []*_b .PdfObjectStream ;for _ada :=range _fda {_ggbc =append (_ggbc ,_ada );};return _ggbc ;
};type Catalog struct{Object *_b .PdfObjectDictionary ;_ba *Document ;};type ImageSMask struct{Image *Image ;Stream *_b .PdfObjectStream ;};type Page struct{_bdb int ;Object *_b .PdfObjectDictionary ;_cgf *Document ;};func (_bdd *Catalog )NewOutputIntents ()*OutputIntents {return &OutputIntents {_gg :_bdd ._ba }};
func (_ff *Catalog )SetOutputIntents (outputIntents *OutputIntents ){if _bde :=_ff .Object .Get ("\u004f\u0075\u0074\u0070\u0075\u0074\u0049\u006e\u0074\u0065\u006e\u0074\u0073");_bde !=nil {for _g ,_gd :=range _ff ._ba .Objects {if _gd ==_bde {if outputIntents ._ea ==_bde {return ;
};_ff ._ba .Objects =append (_ff ._ba .Objects [:_g ],_ff ._ba .Objects [_g +1:]...);break ;};};};_abb :=outputIntents ._ea ;if _abb ==nil {_abb =_b .MakeIndirectObject (outputIntents ._ce );};_ff .Object .Set ("\u004f\u0075\u0074\u0070\u0075\u0074\u0049\u006e\u0074\u0065\u006e\u0074\u0073",_abb );
_ff ._ba .Objects =append (_ff ._ba .Objects ,_abb );};func (_df *Catalog )SetMetadata (data []byte )error {_efd ,_cd :=_b .MakeStream (data ,nil );if _cd !=nil {return _cd ;};_efd .Set ("\u0054\u0079\u0070\u0065",_b .MakeName ("\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061"));
_efd .Set ("\u0053u\u0062\u0074\u0079\u0070\u0065",_b .MakeName ("\u0058\u004d\u004c"));_df .Object .Set ("\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061",_efd );_df ._ba .Objects =append (_df ._ba .Objects ,_efd );return nil ;};func (_bc *OutputIntents )Get (i int )(OutputIntent ,bool ){if _bc ._ce ==nil {return OutputIntent {},false ;
};if i >=_bc ._ce .Len (){return OutputIntent {},false ;};_adg :=_bc ._ce .Get (i );_gdcb ,_ee :=_b .GetIndirect (_adg );if !_ee {_eed ,_dc :=_b .GetDict (_adg );return OutputIntent {Object :_eed },_dc ;};_eff ,_bfe :=_b .GetDict (_gdcb .PdfObject );return OutputIntent {Object :_eff },_bfe ;
};func (_dda *Document )FindCatalog ()(*Catalog ,bool ){var _fdf *_b .PdfObjectDictionary ;for _ ,_fa :=range _dda .Objects {_aa ,_da :=_b .GetDict (_fa );if !_da {continue ;};if _ggd ,_cef :=_b .GetName (_aa .Get ("\u0054\u0079\u0070\u0065"));_cef &&*_ggd =="\u0043a\u0074\u0061\u006c\u006f\u0067"{_fdf =_aa ;
break ;};};if _fdf ==nil {return nil ,false ;};return &Catalog {Object :_fdf ,_ba :_dda },true ;};func (_fef *Document )AddIndirectObject (indirect *_b .PdfIndirectObject ){for _ ,_dfe :=range _fef .Objects {if _dfe ==indirect {return ;};};_fef .Objects =append (_fef .Objects ,indirect );
};func (_bfb *Catalog )GetOutputIntents ()(*OutputIntents ,bool ){_bda :=_bfb .Object .Get ("\u004f\u0075\u0074\u0070\u0075\u0074\u0049\u006e\u0074\u0065\u006e\u0074\u0073");if _bda ==nil {return nil ,false ;};_fd ,_ccb :=_b .GetIndirect (_bda );if !_ccb {return nil ,false ;
};_bea ,_dfdg :=_b .GetArray (_fd .PdfObject );if !_dfdg {return nil ,false ;};return &OutputIntents {_ea :_fd ,_ce :_bea ,_gg :_bfb ._ba },true ;};func (_gaa Page )FindXObjectImages ()([]*Image ,error ){_cae ,_caf :=_gaa .GetResourcesXObject ();if !_caf {return nil ,nil ;
};var _fefb []*Image ;var _bdab error ;_cfc :=map[*_b .PdfObjectStream ]int {};_abf :=map[*_b .PdfObjectStream ]struct{}{};var _bdeg int ;for _ ,_cgd :=range _cae .Keys (){_cdd ,_fefbf :=_b .GetStream (_cae .Get (_cgd ));if !_fefbf {continue ;};if _ ,_ebd :=_cfc [_cdd ];
_ebd {continue ;};_ccd ,_gad :=_b .GetName (_cdd .Get ("\u0053u\u0062\u0074\u0079\u0070\u0065"));if !_gad ||_ccd .String ()!="\u0049\u006d\u0061g\u0065"{continue ;};_de :=Image {BitsPerComponent :8,Stream :_cdd ,Name :string (_cgd )};if _de .Colorspace ,_bdab =_fb (_cdd .PdfObjectDictionary .Get ("\u0043\u006f\u006c\u006f\u0072\u0053\u0070\u0061\u0063\u0065"));
_bdab !=nil {_a .Log .Error ("\u0045\u0072\u0072\u006f\u0072\u0020\u0064\u0065\u0074\u0065r\u006d\u0069\u006e\u0065\u0020\u0063\u006fl\u006f\u0072\u0020\u0073\u0070\u0061\u0063\u0065\u0020\u0025\u0073",_bdab );continue ;};if _db ,_fff :=_b .GetIntVal (_cdd .PdfObjectDictionary .Get ("\u0042\u0069t\u0073\u0050\u0065r\u0043\u006f\u006d\u0070\u006f\u006e\u0065\u006e\u0074"));
_fff {_de .BitsPerComponent =_db ;};if _def ,_dg :=_b .GetIntVal (_cdd .PdfObjectDictionary .Get ("\u0057\u0069\u0064t\u0068"));_dg {_de .Width =_def ;};if _cee ,_ecd :=_b .GetIntVal (_cdd .PdfObjectDictionary .Get ("\u0048\u0065\u0069\u0067\u0068\u0074"));
_ecd {_de .Height =_cee ;};if _aab ,_ecg :=_b .GetStream (_cdd .Get ("\u0053\u004d\u0061s\u006b"));_ecg {_de .SMask =&ImageSMask {Image :&_de ,Stream :_aab };_abf [_aab ]=struct{}{};};switch _de .Colorspace {case "\u0044e\u0076\u0069\u0063\u0065\u0052\u0047B":_de .ColorComponents =3;
case "\u0044\u0065\u0076\u0069\u0063\u0065\u0047\u0072\u0061\u0079":_de .ColorComponents =1;case "\u0044\u0065\u0076\u0069\u0063\u0065\u0043\u004d\u0059\u004b":_de .ColorComponents =4;default:_de .ColorComponents =-1;};_cfc [_cdd ]=_bdeg ;_fefb =append (_fefb ,&_de );
_bdeg ++;};var _gb []int ;for _ ,_cca :=range _fefb {if _cca .SMask !=nil {_ggb ,_gf :=_cfc [_cca .SMask .Stream ];if _gf {_gb =append (_gb ,_ggb );};};};_eedd :=make ([]*Image ,len (_fefb )-len (_gb ));_bdeg =0;_ed :for _gag ,_fac :=range _fefb {for _ ,_abd :=range _gb {if _gag ==_abd {continue _ed ;
};};_eedd [_bdeg ]=_fac ;_bdeg ++;};return _fefb ,nil ;};func (_dd *OutputIntents )Add (oi _b .PdfObject )error {_gdc ,_eaf :=oi .(*_b .PdfObjectDictionary );if !_eaf {return _cg .New ("\u0069\u006e\u0070\u0075\u0074\u0020\u006f\u0075\u0074\u0070\u0075\u0074\u0020\u0069\u006e\u0074\u0065\u006et\u0020\u0073\u0068\u006f\u0075\u006c\u0064 \u0062\u0065\u0020\u0061\u006e\u0020\u006f\u0062\u006a\u0065\u0063t\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");
};if _cce ,_bdc :=_b .GetStream (_gdc .Get ("\u0044\u0065\u0073\u0074\u004f\u0075\u0074\u0070\u0075\u0074\u0050\u0072o\u0066\u0069\u006c\u0065"));_bdc {_dd ._gg .Objects =append (_dd ._gg .Objects ,_cce );};_ac ,_bfbf :=oi .(*_b .PdfIndirectObject );if !_bfbf {_ac =_b .MakeIndirectObject (oi );
};if _dd ._ce ==nil {_dd ._ce =_b .MakeArray (_ac );}else {_dd ._ce .Append (_ac );};_dd ._gg .Objects =append (_dd ._gg .Objects ,_ac );return nil ;};type OutputIntent struct{Object *_b .PdfObjectDictionary ;};func (_ggcb Page )GetContents ()([]Content ,bool ){_ecc ,_egb :=_b .GetArray (_ggcb .Object .Get ("\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"));
if !_egb {_bfg ,_bge :=_b .GetStream (_ggcb .Object .Get ("\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"));if !_bge {return nil ,false ;};return []Content {{Stream :_bfg ,_efcb :_ggcb ,_ffa :0}},true ;};_ggdb :=make ([]Content ,_ecc .Len ());for _egf ,_bfeb :=range _ecc .Elements (){_fbf ,_cgfb :=_b .GetStream (_bfeb );
if !_cgfb {continue ;};_ggdb [_egf ]=Content {Stream :_fbf ,_efcb :_ggcb ,_ffa :_egf };};return _ggdb ,true ;};func (_dcab Page )GetResourcesXObject ()(*_b .PdfObjectDictionary ,bool ){_eb ,_eeg :=_dcab .GetResources ();if !_eeg {return nil ,false ;};return _b .GetDict (_eb .Get ("\u0058O\u0062\u006a\u0065\u0063\u0074"));
};type Image struct{Name string ;Width int ;Height int ;Colorspace _b .PdfObjectName ;ColorComponents int ;BitsPerComponent int ;SMask *ImageSMask ;Stream *_b .PdfObjectStream ;};func (_bafa *Document )AddStream (stream *_b .PdfObjectStream ){for _ ,_daa :=range _bafa .Objects {if _daa ==stream {return ;
};};_bafa .Objects =append (_bafa .Objects ,stream );};func (_beac Page )GetResources ()(*_b .PdfObjectDictionary ,bool ){return _b .GetDict (_beac .Object .Get ("\u0052e\u0073\u006f\u0075\u0072\u0063\u0065s"));};func (_ab *Catalog )SetVersion (){_ab .Object .Set ("\u0056e\u0072\u0073\u0069\u006f\u006e",_b .MakeName (_ca .Sprintf ("\u0025\u0064\u002e%\u0064",_ab ._ba .Version .Major ,_ab ._ba .Version .Minor )));
};func (_d *Catalog )GetPages ()([]Page ,bool ){_f ,_cb :=_b .GetDict (_d .Object .Get ("\u0050\u0061\u0067e\u0073"));if !_cb {return nil ,false ;};_cc ,_bd :=_b .GetArray (_f .Get ("\u004b\u0069\u0064\u0073"));if !_bd {return nil ,false ;};_ccg :=make ([]Page ,_cc .Len ());
for _baf ,_e :=range _cc .Elements (){_ef ,_eg :=_b .GetDict (_e );if !_eg {continue ;};_ccg [_baf ]=Page {Object :_ef ,_bdb :_baf +1,_cgf :_d ._ba };};return _ccg ,true ;};type Content struct{Stream *_b .PdfObjectStream ;_ffa int ;_efcb Page ;};func (_fgb *Content )SetData (data []byte )error {_bfd ,_dbg :=_b .MakeStream (data ,_b .NewFlateEncoder ());
if _dbg !=nil {return _dbg ;};_fbe ,_cfe :=_b .GetArray (_fgb ._efcb .Object .Get ("\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073"));if !_cfe &&_fgb ._ffa ==0{_fgb ._efcb .Object .Set ("\u0043\u006f\u006e\u0074\u0065\u006e\u0074\u0073",_bfd );}else {if _dbg =_fbe .Set (_fgb ._ffa ,_bfd );
_dbg !=nil {return _dbg ;};};_fgb ._efcb ._cgf .Objects =append (_fgb ._efcb ._cgf .Objects ,_bfd );return nil ;};func (_bf *Catalog )GetMarkInfo ()(*_b .PdfObjectDictionary ,bool ){_dfd ,_ae :=_b .GetDict (_bf .Object .Get ("\u004d\u0061\u0072\u006b\u0049\u006e\u0066\u006f"));
return _dfd ,_ae ;};func (_ga *OutputIntents )Len ()int {return _ga ._ce .Len ()};func (_ad *Catalog )SetMarkInfo (mi _b .PdfObject ){_fg :=_b .MakeIndirectObject (mi );_ad .Object .Set ("\u004d\u0061\u0072\u006b\u0049\u006e\u0066\u006f",_fg );_ad ._ba .Objects =append (_ad ._ba .Objects ,_fg );
};type Document struct{ID [2]string ;Version _b .Version ;Objects []_b .PdfObject ;Info _b .PdfObject ;Crypt *_b .PdfCrypt ;UseHashBasedID bool ;};func (_bag *Catalog )GetMetadata ()(*_b .PdfObjectStream ,bool ){_fe ,_bg :=_b .GetStream (_bag .Object .Get ("\u004d\u0065\u0074\u0061\u0064\u0061\u0074\u0061"));
return _fe ,_bg ;};func (_cgdf *Page )Number ()int {return _cgdf ._bdb };func _fb (_fgdf _b .PdfObject )(_b .PdfObjectName ,error ){var _dfa *_b .PdfObjectName ;var _aca *_b .PdfObjectArray ;if _dca ,_bed :=_fgdf .(*_b .PdfIndirectObject );_bed {if _bfc ,_fbc :=_dca .PdfObject .(*_b .PdfObjectArray );
_fbc {_aca =_bfc ;}else if _daaa ,_fba :=_dca .PdfObject .(*_b .PdfObjectName );_fba {_dfa =_daaa ;};}else if _dfdc ,_fgdg :=_fgdf .(*_b .PdfObjectArray );_fgdg {_aca =_dfdc ;}else if _fec ,_ggc :=_fgdf .(*_b .PdfObjectName );_ggc {_dfa =_fec ;};if _dfa !=nil {switch *_dfa {case "\u0044\u0065\u0076\u0069\u0063\u0065\u0047\u0072\u0061\u0079","\u0044e\u0076\u0069\u0063\u0065\u0052\u0047B","\u0044\u0065\u0076\u0069\u0063\u0065\u0043\u004d\u0059\u004b":return *_dfa ,nil ;
case "\u0050a\u0074\u0074\u0065\u0072\u006e":return *_dfa ,nil ;};};if _aca !=nil &&_aca .Len ()> 0{if _bec ,_dac :=_aca .Get (0).(*_b .PdfObjectName );_dac {switch *_bec {case "\u0044\u0065\u0076\u0069\u0063\u0065\u0047\u0072\u0061\u0079","\u0044e\u0076\u0069\u0063\u0065\u0052\u0047B","\u0044\u0065\u0076\u0069\u0063\u0065\u0043\u004d\u0059\u004b":if _aca .Len ()==1{return *_bec ,nil ;
};case "\u0043a\u006c\u0047\u0072\u0061\u0079","\u0043\u0061\u006c\u0052\u0047\u0042","\u004c\u0061\u0062":return *_bec ,nil ;case "\u0049\u0043\u0043\u0042\u0061\u0073\u0065\u0064","\u0050a\u0074\u0074\u0065\u0072\u006e","\u0049n\u0064\u0065\u0078\u0065\u0064":return *_bec ,nil ;
case "\u0053\u0065\u0070\u0061\u0072\u0061\u0074\u0069\u006f\u006e","\u0044e\u0076\u0069\u0063\u0065\u004e":return *_bec ,nil ;};};};return "",nil ;};