github.com/unidoc/unipdf/v3@v3.55.0/internal/graphic2d/graphic2d.go

//
// Copyright 2020 FoxyUtils ehf. All rights reserved.
//
// This is a commercial product and requires a license to operate.
// A trial license can be obtained at https://unidoc.io
//
// DO NOT EDIT: generated by unitwist Go source code obfuscator.
//
// Use of this source code is governed by the UniDoc End User License Agreement
// terms that can be accessed at https://unidoc.io/eula/

package graphic2d ;import (_f "image/color";_g "math";);func _gd (_bba ,_gcf ,_ab ,_ae ,_ga ,_ff float64 )(float64 ,float64 ){_cc ,_d :=_g .Sincos (_ff );_gf ,_ffc :=_g .Sincos (_ab );_ag :=_ae +_bba *_d *_ffc -_gcf *_cc *_gf ;_eca :=_ga +_bba *_d *_gf +_gcf *_cc *_ffc ;
return _ag ,_eca ;};func (_cb Point )Sub (q Point )Point {return Point {_cb .X -q .X ,_cb .Y -q .Y }};var ColorMap =map[string ]_f .RGBA {"\u0061l\u0069\u0063\u0065\u0062\u006c\u0075e":_f .RGBA {0xf0,0xf8,0xff,0xff},"\u0061\u006e\u0074i\u0071\u0075\u0065\u0077\u0068\u0069\u0074\u0065":_f .RGBA {0xfa,0xeb,0xd7,0xff},"\u0061\u0071\u0075\u0061":_f .RGBA {0x00,0xff,0xff,0xff},"\u0061\u0071\u0075\u0061\u006d\u0061\u0072\u0069\u006e\u0065":_f .RGBA {0x7f,0xff,0xd4,0xff},"\u0061\u007a\u0075r\u0065":_f .RGBA {0xf0,0xff,0xff,0xff},"\u0062\u0065\u0069g\u0065":_f .RGBA {0xf5,0xf5,0xdc,0xff},"\u0062\u0069\u0073\u0071\u0075\u0065":_f .RGBA {0xff,0xe4,0xc4,0xff},"\u0062\u006c\u0061c\u006b":_f .RGBA {0x00,0x00,0x00,0xff},"\u0062\u006c\u0061\u006e\u0063\u0068\u0065\u0064\u0061l\u006d\u006f\u006e\u0064":_f .RGBA {0xff,0xeb,0xcd,0xff},"\u0062\u006c\u0075\u0065":_f .RGBA {0x00,0x00,0xff,0xff},"\u0062\u006c\u0075\u0065\u0076\u0069\u006f\u006c\u0065\u0074":_f .RGBA 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func _bg (_aaef ,_ee ,_adf float64 ,_ccc bool ,_bbg float64 )(float64 ,float64 ){_bgb ,_be :=_g .Sincos (_bbg );_gdc ,_dc :=_g .Sincos (_adf );_addd :=-_aaef *_bgb *_dc -_ee *_be *_gdc ;_aag :=-_aaef *_bgb *_gdc +_ee *_be *_dc ;if !_ccc {return -_addd ,-_aag ;
};return _addd ,_aag ;};var Names =[]string 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func (_bbf Point )Interpolate (q Point ,t float64 )Point {return Point {(1-t )*_bbf .X +t *q .X ,(1-t )*_bbf .Y +t *q .Y };};var (Aliceblue =_f .RGBA {0xf0,0xf8,0xff,0xff};Antiquewhite =_f .RGBA {0xfa,0xeb,0xd7,0xff};Aqua =_f .RGBA {0x00,0xff,0xff,0xff};
Aquamarine =_f .RGBA {0x7f,0xff,0xd4,0xff};Azure =_f .RGBA {0xf0,0xff,0xff,0xff};Beige =_f .RGBA {0xf5,0xf5,0xdc,0xff};Bisque =_f .RGBA {0xff,0xe4,0xc4,0xff};Black =_f .RGBA {0x00,0x00,0x00,0xff};Blanchedalmond =_f .RGBA {0xff,0xeb,0xcd,0xff};Blue =_f .RGBA {0x00,0x00,0xff,0xff};
Blueviolet =_f .RGBA {0x8a,0x2b,0xe2,0xff};Brown =_f .RGBA {0xa5,0x2a,0x2a,0xff};Burlywood =_f .RGBA {0xde,0xb8,0x87,0xff};Cadetblue =_f .RGBA {0x5f,0x9e,0xa0,0xff};Chartreuse =_f .RGBA {0x7f,0xff,0x00,0xff};Chocolate =_f .RGBA {0xd2,0x69,0x1e,0xff};Coral =_f .RGBA {0xff,0x7f,0x50,0xff};
Cornflowerblue =_f .RGBA {0x64,0x95,0xed,0xff};Cornsilk =_f .RGBA {0xff,0xf8,0xdc,0xff};Crimson =_f .RGBA {0xdc,0x14,0x3c,0xff};Cyan =_f .RGBA {0x00,0xff,0xff,0xff};Darkblue =_f .RGBA {0x00,0x00,0x8b,0xff};Darkcyan =_f .RGBA {0x00,0x8b,0x8b,0xff};Darkgoldenrod =_f .RGBA {0xb8,0x86,0x0b,0xff};
Darkgray =_f .RGBA {0xa9,0xa9,0xa9,0xff};Darkgreen =_f .RGBA {0x00,0x64,0x00,0xff};Darkgrey =_f .RGBA {0xa9,0xa9,0xa9,0xff};Darkkhaki =_f .RGBA {0xbd,0xb7,0x6b,0xff};Darkmagenta =_f .RGBA {0x8b,0x00,0x8b,0xff};Darkolivegreen =_f .RGBA {0x55,0x6b,0x2f,0xff};
Darkorange =_f .RGBA {0xff,0x8c,0x00,0xff};Darkorchid =_f .RGBA {0x99,0x32,0xcc,0xff};Darkred =_f .RGBA {0x8b,0x00,0x00,0xff};Darksalmon =_f .RGBA {0xe9,0x96,0x7a,0xff};Darkseagreen =_f .RGBA {0x8f,0xbc,0x8f,0xff};Darkslateblue =_f .RGBA {0x48,0x3d,0x8b,0xff};
Darkslategray =_f .RGBA {0x2f,0x4f,0x4f,0xff};Darkslategrey =_f .RGBA {0x2f,0x4f,0x4f,0xff};Darkturquoise =_f .RGBA {0x00,0xce,0xd1,0xff};Darkviolet =_f .RGBA {0x94,0x00,0xd3,0xff};Deeppink =_f .RGBA {0xff,0x14,0x93,0xff};Deepskyblue =_f .RGBA {0x00,0xbf,0xff,0xff};
Dimgray =_f .RGBA {0x69,0x69,0x69,0xff};Dimgrey =_f .RGBA {0x69,0x69,0x69,0xff};Dodgerblue =_f .RGBA {0x1e,0x90,0xff,0xff};Firebrick =_f .RGBA {0xb2,0x22,0x22,0xff};Floralwhite =_f .RGBA {0xff,0xfa,0xf0,0xff};Forestgreen =_f .RGBA {0x22,0x8b,0x22,0xff};
Fuchsia =_f .RGBA {0xff,0x00,0xff,0xff};Gainsboro =_f .RGBA {0xdc,0xdc,0xdc,0xff};Ghostwhite =_f .RGBA {0xf8,0xf8,0xff,0xff};Gold =_f .RGBA {0xff,0xd7,0x00,0xff};Goldenrod =_f .RGBA {0xda,0xa5,0x20,0xff};Gray =_f .RGBA {0x80,0x80,0x80,0xff};Green =_f .RGBA {0x00,0x80,0x00,0xff};
Greenyellow =_f .RGBA {0xad,0xff,0x2f,0xff};Grey =_f .RGBA {0x80,0x80,0x80,0xff};Honeydew =_f .RGBA {0xf0,0xff,0xf0,0xff};Hotpink =_f .RGBA {0xff,0x69,0xb4,0xff};Indianred =_f .RGBA {0xcd,0x5c,0x5c,0xff};Indigo =_f .RGBA {0x4b,0x00,0x82,0xff};Ivory =_f .RGBA {0xff,0xff,0xf0,0xff};
Khaki =_f .RGBA {0xf0,0xe6,0x8c,0xff};Lavender =_f .RGBA {0xe6,0xe6,0xfa,0xff};Lavenderblush =_f .RGBA {0xff,0xf0,0xf5,0xff};Lawngreen =_f .RGBA {0x7c,0xfc,0x00,0xff};Lemonchiffon =_f .RGBA {0xff,0xfa,0xcd,0xff};Lightblue =_f .RGBA {0xad,0xd8,0xe6,0xff};
Lightcoral =_f .RGBA {0xf0,0x80,0x80,0xff};Lightcyan =_f .RGBA {0xe0,0xff,0xff,0xff};Lightgoldenrodyellow =_f .RGBA {0xfa,0xfa,0xd2,0xff};Lightgray =_f .RGBA {0xd3,0xd3,0xd3,0xff};Lightgreen =_f .RGBA {0x90,0xee,0x90,0xff};Lightgrey =_f .RGBA {0xd3,0xd3,0xd3,0xff};
Lightpink =_f .RGBA {0xff,0xb6,0xc1,0xff};Lightsalmon =_f .RGBA {0xff,0xa0,0x7a,0xff};Lightseagreen =_f .RGBA {0x20,0xb2,0xaa,0xff};Lightskyblue =_f .RGBA {0x87,0xce,0xfa,0xff};Lightslategray =_f .RGBA {0x77,0x88,0x99,0xff};Lightslategrey =_f .RGBA {0x77,0x88,0x99,0xff};
Lightsteelblue =_f .RGBA {0xb0,0xc4,0xde,0xff};Lightyellow =_f .RGBA {0xff,0xff,0xe0,0xff};Lime =_f .RGBA {0x00,0xff,0x00,0xff};Limegreen =_f .RGBA {0x32,0xcd,0x32,0xff};Linen =_f .RGBA {0xfa,0xf0,0xe6,0xff};Magenta =_f .RGBA {0xff,0x00,0xff,0xff};Maroon =_f .RGBA {0x80,0x00,0x00,0xff};
Mediumaquamarine =_f .RGBA {0x66,0xcd,0xaa,0xff};Mediumblue =_f .RGBA {0x00,0x00,0xcd,0xff};Mediumorchid =_f .RGBA {0xba,0x55,0xd3,0xff};Mediumpurple =_f .RGBA {0x93,0x70,0xdb,0xff};Mediumseagreen =_f .RGBA {0x3c,0xb3,0x71,0xff};Mediumslateblue =_f .RGBA {0x7b,0x68,0xee,0xff};
Mediumspringgreen =_f .RGBA {0x00,0xfa,0x9a,0xff};Mediumturquoise =_f .RGBA {0x48,0xd1,0xcc,0xff};Mediumvioletred =_f .RGBA {0xc7,0x15,0x85,0xff};Midnightblue =_f .RGBA {0x19,0x19,0x70,0xff};Mintcream =_f .RGBA {0xf5,0xff,0xfa,0xff};Mistyrose =_f .RGBA {0xff,0xe4,0xe1,0xff};
Moccasin =_f .RGBA {0xff,0xe4,0xb5,0xff};Navajowhite =_f .RGBA {0xff,0xde,0xad,0xff};Navy =_f .RGBA {0x00,0x00,0x80,0xff};Oldlace =_f .RGBA {0xfd,0xf5,0xe6,0xff};Olive =_f .RGBA {0x80,0x80,0x00,0xff};Olivedrab =_f .RGBA {0x6b,0x8e,0x23,0xff};Orange =_f .RGBA {0xff,0xa5,0x00,0xff};
Orangered =_f .RGBA {0xff,0x45,0x00,0xff};Orchid =_f .RGBA {0xda,0x70,0xd6,0xff};Palegoldenrod =_f .RGBA {0xee,0xe8,0xaa,0xff};Palegreen =_f .RGBA {0x98,0xfb,0x98,0xff};Paleturquoise =_f .RGBA {0xaf,0xee,0xee,0xff};Palevioletred =_f .RGBA {0xdb,0x70,0x93,0xff};
Papayawhip =_f .RGBA {0xff,0xef,0xd5,0xff};Peachpuff =_f .RGBA {0xff,0xda,0xb9,0xff};Peru =_f .RGBA {0xcd,0x85,0x3f,0xff};Pink =_f .RGBA {0xff,0xc0,0xcb,0xff};Plum =_f .RGBA {0xdd,0xa0,0xdd,0xff};Powderblue =_f .RGBA {0xb0,0xe0,0xe6,0xff};Purple =_f .RGBA {0x80,0x00,0x80,0xff};
Red =_f .RGBA {0xff,0x00,0x00,0xff};Rosybrown =_f .RGBA {0xbc,0x8f,0x8f,0xff};Royalblue =_f .RGBA {0x41,0x69,0xe1,0xff};Saddlebrown =_f .RGBA {0x8b,0x45,0x13,0xff};Salmon =_f .RGBA {0xfa,0x80,0x72,0xff};Sandybrown =_f .RGBA {0xf4,0xa4,0x60,0xff};Seagreen =_f .RGBA {0x2e,0x8b,0x57,0xff};
Seashell =_f .RGBA {0xff,0xf5,0xee,0xff};Sienna =_f .RGBA {0xa0,0x52,0x2d,0xff};Silver =_f .RGBA {0xc0,0xc0,0xc0,0xff};Skyblue =_f .RGBA {0x87,0xce,0xeb,0xff};Slateblue =_f .RGBA {0x6a,0x5a,0xcd,0xff};Slategray =_f .RGBA {0x70,0x80,0x90,0xff};Slategrey =_f .RGBA {0x70,0x80,0x90,0xff};
Snow =_f .RGBA {0xff,0xfa,0xfa,0xff};Springgreen =_f .RGBA {0x00,0xff,0x7f,0xff};Steelblue =_f .RGBA {0x46,0x82,0xb4,0xff};Tan =_f .RGBA {0xd2,0xb4,0x8c,0xff};Teal =_f .RGBA {0x00,0x80,0x80,0xff};Thistle =_f .RGBA {0xd8,0xbf,0xd8,0xff};Tomato =_f .RGBA {0xff,0x63,0x47,0xff};
Turquoise =_f .RGBA {0x40,0xe0,0xd0,0xff};Violet =_f .RGBA {0xee,0x82,0xee,0xff};Wheat =_f .RGBA {0xf5,0xde,0xb3,0xff};White =_f .RGBA {0xff,0xff,0xff,0xff};Whitesmoke =_f .RGBA {0xf5,0xf5,0xf5,0xff};Yellow =_f .RGBA {0xff,0xff,0x00,0xff};Yellowgreen =_f .RGBA {0x9a,0xcd,0x32,0xff};
);const _bae =1e-10;func QuadraticToCubicBezier (startX ,startY ,x1 ,y1 ,x ,y float64 )(Point ,Point ){_beg :=Point {X :startX ,Y :startY };_abga :=Point {X :x1 ,Y :y1 };_gde :=Point {X :x ,Y :y };_baf :=_beg .Interpolate (_abga ,2.0/3.0);_gcb :=_gde .Interpolate (_abga ,2.0/3.0);
return _baf ,_gcb ;};type Point struct{X ,Y float64 ;};func _ce (_cfe float64 )float64 {_cfe =_g .Mod (_cfe ,2.0*_g .Pi );if _cfe < 0.0{_cfe +=2.0*_g .Pi ;};return _cfe ;};func (_acf Point )Mul (f float64 )Point {return Point {f *_acf .X ,f *_acf .Y }};
func _bf (_cd ,_gge ,_agg ,_faf ,_gdb float64 ,_aae ,_ffe bool ,_gae ,_bfc float64 )(float64 ,float64 ,float64 ,float64 ){if _cde (_cd ,_gae )&&_cde (_gge ,_bfc ){return _cd ,_gge ,0.0,0.0;};_feb ,_abg :=_g .Sincos (_gdb );_gdd :=_abg *(_cd -_gae )/2.0+_feb *(_gge -_bfc )/2.0;
_bfg :=-_feb *(_cd -_gae )/2.0+_abg *(_gge -_bfc )/2.0;_gff :=_gdd *_gdd /_agg /_agg +_bfg *_bfg /_faf /_faf ;if _gff > 1.0{_agg *=_g .Sqrt (_gff );_faf *=_g .Sqrt (_gff );};_gdg :=(_agg *_agg *_faf *_faf -_agg *_agg *_bfg *_bfg -_faf *_faf *_gdd *_gdd )/(_agg *_agg *_bfg *_bfg +_faf *_faf *_gdd *_gdd );
if _gdg < 0.0{_gdg =0.0;};_gb :=_g .Sqrt (_gdg );if _aae ==_ffe {_gb =-_gb ;};_aaeb :=_gb *_agg *_bfg /_faf ;_gcc :=_gb *-_faf *_gdd /_agg ;_feg :=_abg *_aaeb -_feb *_gcc +(_cd +_gae )/2.0;_cdg :=_feb *_aaeb +_abg *_gcc +(_gge +_bfc )/2.0;_eb :=(_gdd -_aaeb )/_agg ;
_geg :=(_bfg -_gcc )/_faf ;_bab :=-(_gdd +_aaeb )/_agg ;_ca :=-(_bfg +_gcc )/_faf ;_ac :=_g .Acos (_eb /_g .Sqrt (_eb *_eb +_geg *_geg ));if _geg < 0.0{_ac =-_ac ;};_ac =_ce (_ac );_aabd :=(_eb *_bab +_geg *_ca )/_g .Sqrt ((_eb *_eb +_geg *_geg )*(_bab *_bab +_ca *_ca ));
_aabd =_g .Min (1.0,_g .Max (-1.0,_aabd ));_fb :=_g .Acos (_aabd );if _eb *_ca -_geg *_bab < 0.0{_fb =-_fb ;};if !_ffe &&_fb > 0.0{_fb -=2.0*_g .Pi ;}else if _ffe &&_fb < 0.0{_fb +=2.0*_g .Pi ;};return _feg ,_cdg ,_ac ,_ac +_fb ;};func _cde (_gaea ,_baa float64 )bool {return _g .Abs (_gaea -_baa )<=_bae };
func EllipseToCubicBeziers (startX ,startY ,rx ,ry ,rot float64 ,large ,sweep bool ,endX ,endY float64 )[][4]Point {rx =_g .Abs (rx );ry =_g .Abs (ry );if rx < ry {rx ,ry =ry ,rx ;rot +=90.0;};_fc :=_ce (rot *_g .Pi /180.0);if _g .Pi <=_fc {_fc -=_g .Pi ;
};_e ,_b ,_gg ,_fg :=_bf (startX ,startY ,rx ,ry ,_fc ,large ,sweep ,endX ,endY );_eg :=_g .Pi /2.0;_c :=int (_g .Ceil (_g .Abs (_fg -_gg )/_eg ));_eg =_g .Abs (_fg -_gg )/float64 (_c );_aa :=_g .Sin (_eg )*(_g .Sqrt (4.0+3.0*_g .Pow (_g .Tan (_eg /2.0),2.0))-1.0)/3.0;
if !sweep {_eg =-_eg ;};_bb :=Point {X :startX ,Y :startY };_bd ,_aab :=_bg (rx ,ry ,_fc ,sweep ,_gg );_ec :=Point {X :_bd ,Y :_aab };_bc :=[][4]Point {};for _ge :=1;_ge < _c +1;_ge ++{_ecc :=_gg +float64 (_ge )*_eg ;_ad ,_ba :=_gd (rx ,ry ,_fc ,_e ,_b ,_ecc );
_cf :=Point {X :_ad ,Y :_ba };_fe ,_fa :=_bg (rx ,ry ,_fc ,sweep ,_ecc );_fge :=Point {X :_fe ,Y :_fa };_add :=_bb .Add (_ec .Mul (_aa ));_gc :=_cf .Sub (_fge .Mul (_aa ));_bc =append (_bc ,[4]Point {_bb ,_add ,_gc ,_cf });_ec =_fge ;_bb =_cf ;};return _bc ;
};func (_bdf Point )Add (q Point )Point {return Point {_bdf .X +q .X ,_bdf .Y +q .Y }};