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// Copyright 2020 FoxyUtils ehf. All rights reserved.
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package testutils ;import (_e "crypto/md5";_d "encoding/hex";_gfe "errors";_gc "fmt";_gcf "github.com/unidoc/unipdf/v3/common";_ef "github.com/unidoc/unipdf/v3/core";_fa "image";_gf "image/png";_ge "io";_a "os";_ea "os/exec";_be "path/filepath";_f "strings";
_g "testing";);func ComparePNGFiles (file1 ,file2 string )(bool ,error ){_ead ,_bdb :=HashFile (file1 );if _bdb !=nil {return false ,_bdb ;};_ba ,_bdb :=HashFile (file2 );if _bdb !=nil {return false ,_bdb ;};if _ead ==_ba {return true ,nil ;};_gb ,_bdb :=ReadPNG (file1 );
if _bdb !=nil {return false ,_bdb ;};_cb ,_bdb :=ReadPNG (file2 );if _bdb !=nil {return false ,_bdb ;};if _gb .Bounds ()!=_cb .Bounds (){return false ,nil ;};return CompareImages (_gb ,_cb );};func ReadPNG (file string )(_fa .Image ,error ){_bd ,_fd :=_a .Open (file );
if _fd !=nil {return nil ,_fd ;};defer _bd .Close ();return _gf .Decode (_bd );};func HashFile (file string )(string ,error ){_ga ,_af :=_a .Open (file );if _af !=nil {return "",_af ;};defer _ga .Close ();_ed :=_e .New ();if _ ,_af =_ge .Copy (_ed ,_ga );
_af !=nil {return "",_af ;};return _d .EncodeToString (_ed .Sum (nil )),nil ;};func RunRenderTest (t *_g .T ,pdfPath ,outputDir ,baselineRenderPath string ,saveBaseline bool ){_db :=_f .TrimSuffix (_be .Base (pdfPath ),_be .Ext (pdfPath ));t .Run ("\u0072\u0065\u006e\u0064\u0065\u0072",func (_agc *_g .T ){_de :=_be .Join (outputDir ,_db );
_ggc :=_de +"\u002d%\u0064\u002e\u0070\u006e\u0067";if _fde :=RenderPDFToPNGs (pdfPath ,0,_ggc );_fde !=nil {_agc .Skip (_fde );};for _ce :=1;true ;_ce ++{_bc :=_gc .Sprintf ("\u0025s\u002d\u0025\u0064\u002e\u0070\u006eg",_de ,_ce );_geg :=_be .Join (baselineRenderPath ,_gc .Sprintf ("\u0025\u0073\u002d\u0025\u0064\u005f\u0065\u0078\u0070\u002e\u0070\u006e\u0067",_db ,_ce ));
if _ ,_caf :=_a .Stat (_bc );_caf !=nil {break ;};_agc .Logf ("\u0025\u0073",_geg );if saveBaseline {_agc .Logf ("\u0043\u006fp\u0079\u0069\u006eg\u0020\u0025\u0073\u0020\u002d\u003e\u0020\u0025\u0073",_bc ,_geg );_bdf :=CopyFile (_bc ,_geg );if _bdf !=nil {_agc .Fatalf ("\u0045\u0052\u0052OR\u0020\u0063\u006f\u0070\u0079\u0069\u006e\u0067\u0020\u0074\u006f\u0020\u0025\u0073\u003a\u0020\u0025\u0076",_geg ,_bdf );
};continue ;};_agc .Run (_gc .Sprintf ("\u0070\u0061\u0067\u0065\u0025\u0064",_ce ),func (_bae *_g .T ){_bae .Logf ("\u0043o\u006dp\u0061\u0072\u0069\u006e\u0067 \u0025\u0073 \u0076\u0073\u0020\u0025\u0073",_bc ,_geg );_bfg ,_fb :=ComparePNGFiles (_bc ,_geg );
if _a .IsNotExist (_fb ){_bae .Fatal ("\u0069m\u0061g\u0065\u0020\u0066\u0069\u006ce\u0020\u006di\u0073\u0073\u0069\u006e\u0067");}else if !_bfg {_bae .Fatal ("\u0077\u0072\u006f\u006eg \u0070\u0061\u0067\u0065\u0020\u0072\u0065\u006e\u0064\u0065\u0072\u0065\u0064");
};});};});};func RenderPDFToPNGs (pdfPath string ,dpi int ,outpathTpl string )error {if dpi <=0{dpi =100;};if _ ,_bb :=_ea .LookPath ("\u0067\u0073");_bb !=nil {return ErrRenderNotSupported ;};return _ea .Command ("\u0067\u0073","\u002d\u0073\u0044\u0045\u0056\u0049\u0043\u0045\u003d\u0070\u006e\u0067a\u006c\u0070\u0068\u0061","\u002d\u006f",outpathTpl ,_gc .Sprintf ("\u002d\u0072\u0025\u0064",dpi ),pdfPath ).Run ();
};func CompareImages (img1 ,img2 _fa .Image )(bool ,error ){_bf :=img1 .Bounds ();_edf :=0;for _gfef :=0;_gfef < _bf .Size ().X ;_gfef ++{for _ec :=0;_ec < _bf .Size ().Y ;_ec ++{_bg ,_gea ,_ag ,_ :=img1 .At (_gfef ,_ec ).RGBA ();_aa ,_ad ,_ae ,_ :=img2 .At (_gfef ,_ec ).RGBA ();
if _bg !=_aa ||_gea !=_ad ||_ag !=_ae {_edf ++;};};};_efe :=float64 (_edf )/float64 (_bf .Dx ()*_bf .Dy ());if _efe > 0.0001{_gc .Printf ("\u0064\u0069\u0066f \u0066\u0072\u0061\u0063\u0074\u0069\u006f\u006e\u003a\u0020\u0025\u0076\u0020\u0028\u0025\u0064\u0029\u000a",_efe ,_edf );
return false ,nil ;};return true ,nil ;};func CopyFile (src ,dst string )error {_c ,_dg :=_a .Open (src );if _dg !=nil {return _dg ;};defer _c .Close ();_ca ,_dg :=_a .Create (dst );if _dg !=nil {return _dg ;};defer _ca .Close ();_ ,_dg =_ge .Copy (_ca ,_c );
return _dg ;};var (ErrRenderNotSupported =_gfe .New ("\u0072\u0065\u006e\u0064\u0065r\u0069\u006e\u0067\u0020\u0050\u0044\u0046\u0020\u0066\u0069\u006c\u0065\u0073 \u0069\u0073\u0020\u006e\u006f\u0074\u0020\u0073\u0075\u0070\u0070\u006f\u0072\u0074\u0065\u0064\u0020\u006f\u006e\u0020\u0074\u0068\u0069\u0073\u0020\u0073\u0079\u0073\u0074\u0065m");
);func CompareDictionariesDeep (d1 ,d2 *_ef .PdfObjectDictionary )bool {if len (d1 .Keys ())!=len (d2 .Keys ()){_gcf .Log .Debug ("\u0044\u0069\u0063\u0074\u0020\u0065\u006e\u0074\u0072\u0069\u0065\u0073\u0020\u006d\u0069s\u006da\u0074\u0063\u0068\u0020\u0028\u0025\u0064\u0020\u0021\u003d\u0020\u0025\u0064\u0029",len (d1 .Keys ()),len (d2 .Keys ()));
_gcf .Log .Debug ("\u0057\u0061s\u0020\u0027\u0025s\u0027\u0020\u0076\u0073\u0020\u0027\u0025\u0073\u0027",d1 .WriteString (),d2 .WriteString ());return false ;};for _ ,_dfdb :=range d1 .Keys (){if _dfdb =="\u0050\u0061\u0072\u0065\u006e\u0074"{continue ;
};_eg :=_ef .TraceToDirectObject (d1 .Get (_dfdb ));_eff :=_ef .TraceToDirectObject (d2 .Get (_dfdb ));if _eg ==nil {_gcf .Log .Debug ("\u00761\u0020\u0069\u0073\u0020\u006e\u0069l");return false ;};if _eff ==nil {_gcf .Log .Debug ("\u00762\u0020\u0069\u0073\u0020\u006e\u0069l");
return false ;};switch _fac :=_eg .(type ){case *_ef .PdfObjectDictionary :_ff ,_deg :=_eff .(*_ef .PdfObjectDictionary );if !_deg {_gcf .Log .Debug ("\u0054\u0079\u0070\u0065 m\u0069\u0073\u006d\u0061\u0074\u0063\u0068\u0020\u0025\u0054\u0020\u0076\u0073\u0020%\u0054",_eg ,_eff );
return false ;};if !CompareDictionariesDeep (_fac ,_ff ){return false ;};continue ;case *_ef .PdfObjectArray :_ee ,_bgd :=_eff .(*_ef .PdfObjectArray );if !_bgd {_gcf .Log .Debug ("\u00762\u0020n\u006f\u0074\u0020\u0061\u006e\u0020\u0061\u0072\u0072\u0061\u0079");
return false ;};if _fac .Len ()!=_ee .Len (){_gcf .Log .Debug ("\u0061\u0072\u0072\u0061\u0079\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u0020\u006d\u0069s\u006da\u0074\u0063\u0068\u0020\u0028\u0025\u0064\u0020\u0021\u003d\u0020\u0025\u0064\u0029",_fac .Len (),_ee .Len ());
return false ;};for _bea :=0;_bea < _fac .Len ();_bea ++{_fga :=_ef .TraceToDirectObject (_fac .Get (_bea ));_ggg :=_ef .TraceToDirectObject (_ee .Get (_bea ));if _cafa ,_dgd :=_fga .(*_ef .PdfObjectDictionary );_dgd {_dde ,_ffb :=_ggg .(*_ef .PdfObjectDictionary );
if !_ffb {return false ;};if !CompareDictionariesDeep (_cafa ,_dde ){return false ;};}else {if _fga .WriteString ()!=_ggg .WriteString (){_gcf .Log .Debug ("M\u0069\u0073\u006d\u0061tc\u0068 \u0027\u0025\u0073\u0027\u0020!\u003d\u0020\u0027\u0025\u0073\u0027",_fga .WriteString (),_ggg .WriteString ());
return false ;};};};continue ;};if _eg .String ()!=_eff .String (){_gcf .Log .Debug ("\u006b\u0065y\u003d\u0025\u0073\u0020\u004d\u0069\u0073\u006d\u0061\u0074\u0063\u0068\u0021\u0020\u0027\u0025\u0073\u0027\u0020\u0021\u003d\u0020'%\u0073\u0027",_dfdb ,_eg .String (),_eff .String ());
_gcf .Log .Debug ("\u0046o\u0072 \u0027\u0025\u0054\u0027\u0020\u002d\u0020\u0027\u0025\u0054\u0027",_eg ,_eff );_gcf .Log .Debug ("\u0046\u006f\u0072\u0020\u0027\u0025\u002b\u0076\u0027\u0020\u002d\u0020'\u0025\u002b\u0076\u0027",_eg ,_eff );return false ;
};};return true ;};func ParseIndirectObjects (rawpdf string )(map[int64 ]_ef .PdfObject ,error ){_eac :=_ef .NewParserFromString (rawpdf );_bdd :=map[int64 ]_ef .PdfObject {};for {_fe ,_eadb :=_eac .ParseIndirectObject ();if _eadb !=nil {if _eadb ==_ge .EOF {break ;
};return nil ,_eadb ;};switch _df :=_fe .(type ){case *_ef .PdfIndirectObject :_bdd [_df .ObjectNumber ]=_fe ;case *_ef .PdfObjectStream :_bdd [_df .ObjectNumber ]=_fe ;};};for _ ,_gbf :=range _bdd {_eadd (_gbf ,_bdd );};return _bdd ,nil ;};func _eadd (_bge _ef .PdfObject ,_fdf map[int64 ]_ef .PdfObject )error {switch _cab :=_bge .(type ){case *_ef .PdfIndirectObject :_dd :=_cab ;
_eadd (_dd .PdfObject ,_fdf );case *_ef .PdfObjectDictionary :_cc :=_cab ;for _ ,_dba :=range _cc .Keys (){_cea :=_cc .Get (_dba );if _aad ,_aga :=_cea .(*_ef .PdfObjectReference );_aga {_cf ,_fc :=_fdf [_aad .ObjectNumber ];if !_fc {return _gfe .New ("r\u0065\u0066\u0065\u0072\u0065\u006ec\u0065\u0020\u0074\u006f\u0020\u006f\u0075\u0074\u0073i\u0064\u0065\u0020o\u0062j\u0065\u0063\u0074");
};_cc .Set (_dba ,_cf );}else {_eadd (_cea ,_fdf );};};case *_ef .PdfObjectArray :_edg :=_cab ;for _cce ,_fbe :=range _edg .Elements (){if _gae ,_gbe :=_fbe .(*_ef .PdfObjectReference );_gbe {_gbea ,_dfd :=_fdf [_gae .ObjectNumber ];if !_dfd {return _gfe .New ("r\u0065\u0066\u0065\u0072\u0065\u006ec\u0065\u0020\u0074\u006f\u0020\u006f\u0075\u0074\u0073i\u0064\u0065\u0020o\u0062j\u0065\u0063\u0074");
};_edg .Set (_cce ,_gbea );}else {_eadd (_fbe ,_fdf );};};};return nil ;};