mirror of
https://github.com/unidoc/unipdf.git
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22 lines
3.6 KiB
Go
22 lines
3.6 KiB
Go
//
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// Copyright 2020 FoxyUtils ehf. All rights reserved.
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//
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// This is a commercial product and requires a license to operate.
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// A trial license can be obtained at https://unidoc.io
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//
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// DO NOT EDIT: generated by unitwist Go source code obfuscator.
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//
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// Use of this source code is governed by the UniDoc End User License Agreement
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// terms that can be accessed at https://unidoc.io/eula/
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package decoder ;import (_f "github.com/unidoc/unipdf/v3/internal/bitwise";_b "github.com/unidoc/unipdf/v3/internal/jbig2/bitmap";_fb "github.com/unidoc/unipdf/v3/internal/jbig2/document";_bg "github.com/unidoc/unipdf/v3/internal/jbig2/errors";_c "image";
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);func (_bc *Decoder )DecodePage (pageNumber int )([]byte ,error ){return _bc .decodePage (pageNumber )};func (_fbe *Decoder )decodePageImage (_cf int )(_c .Image ,error ){const _af ="\u0064e\u0063o\u0064\u0065\u0050\u0061\u0067\u0065\u0049\u006d\u0061\u0067\u0065";
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if _cf < 0{return nil ,_bg .Errorf (_af ,"\u0069n\u0076\u0061\u006c\u0069d\u0020\u0070\u0061\u0067\u0065 \u006eu\u006db\u0065\u0072\u003a\u0020\u0027\u0025\u0064'",_cf );};if _cf > int (_fbe ._eb .NumberOfPages ){return nil ,_bg .Errorf (_af ,"p\u0061\u0067\u0065\u003a\u0020\u0027%\u0064\u0027\u0020\u006e\u006f\u0074 \u0066\u006f\u0075\u006e\u0064\u0020\u0069n\u0020\u0074\u0068\u0065\u0020\u0064\u0065\u0063\u006f\u0064e\u0072",_cf );
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};_baa ,_ee :=_fbe ._eb .GetPage (_cf );if _ee !=nil {return nil ,_bg .Wrap (_ee ,_af ,"");};_gc ,_ee :=_baa .GetBitmap ();if _ee !=nil {return nil ,_bg .Wrap (_ee ,_af ,"");};_gc .InverseData ();return _gc .ToImage (),nil ;};func (_d *Decoder )DecodePageImage (pageNumber int )(_c .Image ,error ){const _ba ="\u0064\u0065\u0063od\u0065\u0072\u002e\u0044\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0067\u0065\u0049\u006d\u0061\u0067\u0065";
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_cb ,_ff :=_d .decodePageImage (pageNumber );if _ff !=nil {return nil ,_bg .Wrap (_ff ,_ba ,"");};return _cb ,nil ;};func (_bca *Decoder )PageNumber ()(int ,error ){const _dd ="\u0044e\u0063o\u0064\u0065\u0072\u002e\u0050a\u0067\u0065N\u0075\u006d\u0062\u0065\u0072";
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if _bca ._eb ==nil {return 0,_bg .Error (_dd ,"d\u0065\u0063\u006f\u0064\u0065\u0072 \u006e\u006f\u0074\u0020\u0069\u006e\u0069\u0074\u0069a\u006c\u0069\u007ae\u0064 \u0079\u0065\u0074");};return int (_bca ._eb .NumberOfPages ),nil ;};func (_gd *Decoder )DecodeNextPage ()([]byte ,error ){_gd ._ga ++;
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_db :=_gd ._ga ;return _gd .decodePage (_db );};func (_dg *Decoder )decodePage (_a int )([]byte ,error ){const _bd ="\u0064\u0065\u0063\u006f\u0064\u0065\u0050\u0061\u0067\u0065";if _a < 0{return nil ,_bg .Errorf (_bd ,"\u0069n\u0076\u0061\u006c\u0069d\u0020\u0070\u0061\u0067\u0065 \u006eu\u006db\u0065\u0072\u003a\u0020\u0027\u0025\u0064'",_a );
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};if _a > int (_dg ._eb .NumberOfPages ){return nil ,_bg .Errorf (_bd ,"p\u0061\u0067\u0065\u003a\u0020\u0027%\u0064\u0027\u0020\u006e\u006f\u0074 \u0066\u006f\u0075\u006e\u0064\u0020\u0069n\u0020\u0074\u0068\u0065\u0020\u0064\u0065\u0063\u006f\u0064e\u0072",_a );
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};_fa ,_ac :=_dg ._eb .GetPage (_a );if _ac !=nil {return nil ,_bg .Wrap (_ac ,_bd ,"");};_bf ,_ac :=_fa .GetBitmap ();if _ac !=nil {return nil ,_bg .Wrap (_ac ,_bd ,"");};_bf .InverseData ();if !_dg ._fd .UnpaddedData {return _bf .Data ,nil ;};return _bf .GetUnpaddedData ();
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};func Decode (input []byte ,parameters Parameters ,globals *_fb .Globals )(*Decoder ,error ){_aff :=_f .NewReader (input );_ae ,_cc :=_fb .DecodeDocument (_aff ,globals );if _cc !=nil {return nil ,_cc ;};return &Decoder {_g :_aff ,_eb :_ae ,_fd :parameters },nil ;
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};type Parameters struct{UnpaddedData bool ;Color _b .Color ;};type Decoder struct{_g *_f .Reader ;_eb *_fb .Document ;_ga int ;_fd Parameters ;}; |