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For a tutorial of its usage see :ref:`mathtext-tutorial`. This document is primarily concerned with implementation details. The module uses pyparsing_ to parse the TeX expression. .. _pyparsing: http://pyparsing.wikispaces.com/ The Bakoma distribution of the TeX Computer Modern fonts, and STIX fonts are supported. There is experimental support for using arbitrary fonts, but results may vary without proper tweaking and metrics for those fonts. If you find TeX expressions that don't parse or render properly, please email mdroe@stsci.edu, but please check KNOWN ISSUES below first. i����( t divisiont print_functionNi i ( t StringIO( t ceil( t Set( t warn( t inft isinf( t Combinet Groupt Optionalt Forwardt Literalt OneOrMoret ZeroOrMoret ParseExceptiont Emptyt ParseResultst Suppresst oneOft StringEndt ParseFatalExceptiont FollowedByt Regext ParserElementt QuotedStringt ParseBaseException( t AFM( t Buncht get_realpath_and_statt is_string_liket maxdict( t FT2Fontt FT2Imaget KERNING_DEFAULTt LOAD_FORCE_AUTOHINTt LOAD_NO_HINTING( t findfontt FontProperties( t latex_to_bakomat latex_to_standardt tex2unit latex_to_cmext stix_virtual_fonts( t get_data_patht rcParamsc C sx | d k r d Sy t | � SWn t k r1 n Xy t | j d � SWn* t k rs d t � } t | � � n Xd S( s� get_unicode_index(symbol) -> integer Return the integer index (from the Unicode table) of symbol. *symbol* can be a single unicode character, a TeX command (i.e. r'\pi'), or a Type1 symbol name (i.e. 'phi'). t -i" s \sA '%(symbol)s' is not a valid Unicode character or TeX/Type1 symbolN( t ordt TypeErrorR) t stript KeyErrort localst ValueError( t symbolt message( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_unicode_indexE s c C s- y t | � SWn t k r( t d � SXd S( s� Return the Unicode character corresponding to the index, or the replacement character if this is a narrow build of Python and the requested character is outside the BMP.i�� N( t unichrR4 ( t index( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt unichr_safe^ s t MathtextBackendc B sD e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� The base class for the mathtext backend-specific code. The purpose of :class:`MathtextBackend` subclasses is to interface between mathtext and a specific matplotlib graphics backend. Subclasses need to override the following: - :meth:`render_glyph` - :meth:`render_filled_rect` - :meth:`get_results` And optionally, if you need to use a Freetype hinting style: - :meth:`get_hinting_type` c C s d | _ d | _ d | _ d S( Ni ( t widtht heightt depth( t self( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt __init__w s c C s | | _ | | _ | | _ d S( s Dimension the drawing canvasN( R< R= R> ( R? t wt ht d( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt set_canvas_size| s c C s t � � d S( s_ Draw a glyph described by *info* to the reference point (*ox*, *oy*). N( t NotImplementedError( R? t oxt oyt info( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt render_glyph� s c C s t � � d S( sR Draw a filled black rectangle from (*x1*, *y1*) to (*x2*, *y2*). N( RE ( R? t x1t y1t x2t y2( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt render_filled_rect� s c C s t � � d S( sp Return a backend-specific tuple to return to the backend after all processing is done. N( RE ( R? t box( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_results� s c C s t S( s\ Get the Freetype hinting type to use with this particular backend. ( R$ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_hinting_type� s ( t __name__t __module__t __doc__R@ RD RI RN RP RQ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR; g s t MathtextBackendAggc B sM e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� Render glyphs and rectangles to an FTImage buffer, which is later transferred to the Agg image by the Agg backend. c C sJ d | _ d | _ d | _ d | _ d d d d g | _ t j | � d S( Ni t bbox( RF RG t Nonet imaget modeRV R; R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C sY t | j d | � t | j d | � t | j d | � t | j d | � g | _ d S( Ni i i i ( t minRV t max( R? RJ RK RL RM ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt _update_bbox� s c C sN t j | | | | � | j d k rJ t t | � t | | � � | _ n d S( NRV ( R; RD RY R! R RX ( R? RA RB RC ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRD � s c C s� | j d k rP | j | | j j | | j j | | j j | | j j � n3 | j j | j | | | j j | j d t d �d S( NRV t antialiaseds text.antialiased( RY R\ t metricst xmint ymaxt xmaxt ymint fontt draw_glyph_to_bitmapRX t icebergt glyphR- ( R? RF RG RH ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRI � s c C s� | j d k r( | j | | | | � n� t t | | � d d � } | d k rz | | d } t | | d d � } n t | � } | j j t | � | t | � | | � d S( NRV i i g @( RY R\ R[ t intRX t draw_rect_filledR ( R? RJ RK RL RM R= t centert y( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt render_rect_filled� s c C s d | _ | j } | j } t d d | � | j } | d d | d d | d d | d d g } d | _ | j | d | d | d | d | | d | d | � t | d | d | � | j | j | j | j | j | j | j | f } d | _ | S( NRV i i i i t render( RY R= R> t shipRV RD RF RG R< RX RW ( R? RO t used_characterst orig_heightt orig_depthRV t result( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRP � s* 2 c C s d d l m } | j � S( Ni����( t backend_agg( t matplotlib.backendsRr t get_hinting_flag( R? Rr ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRQ � s ( RR RS RT R@ R\ RD RI Rk RP RQ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRU � s t MathtextBackendBitmapc B s e Z d � Z RS( c C s4 t j | | | � \ } } } } } } } | | f S( N( RU RP ( R? RO Rn RF RG R< R= R> RX t characters( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRP � s *( RR RS RP ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRu � s t MathtextBackendPsc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( sX Store information to write a mathtext rendering to the PostScript backend. c C s t � | _ d | _ d S( N( R t pswriterRW t lastfont( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C s� | j | | j } | j } | j } | j } | | f | j k rs d t � } | | f | _ | j j | � n d t � } | j j | � d S( Ns= /%(postscript_name)s findfont %(fontsize)s scalefont setfont s1 %(ox)f %(oy)f moveto /%(symbol_name)s glyphshow ( R= t offsett postscript_namet fontsizet symbol_nameRy R3 Rx t write( R? RF RG RH R{ R| R} t ps( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRI � s c C s9 d | | j | | | | | f } | j j | � d S( Ns %f %f %f %f rectfill ( R= Rx R~ ( R? RJ RK RL RM R ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRk s %c C s: t d | j | � | j | j | j | j | j | f S( Ni ( Rm R> R< R= Rx ( R? RO Rn ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRP s ( RR RS RT R@ RI Rk RP ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRw � s t MathtextBackendPdfc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( sQ Store information to write a mathtext rendering to the PDF backend. c C s g | _ g | _ d S( N( t glyphst rects( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ s c C sO | j j } | j | | j } | j j | | | | j | j | j f � d S( N( Rc t fnameR= Rz R� t appendR| t numR} ( R? RF RG RH t filename( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRI s c C s/ | j j | | j | | | | | f � d S( N( R� R� R= ( R? RJ RK RL RM ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRk % s c C s@ t d | j | � | j | j | j | j | j | j | f S( Ni ( Rm R> R< R= R� R� ( R? RO Rn ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRP ( s ( RR RS RT R@ RI Rk RP ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� s t MathtextBackendSvgc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( sQ Store information to write a mathtext rendering to the SVG backend. c C s g | _ g | _ d S( N( t svg_glyphst svg_rects( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ 6 s c C sF | j | | j } | j j | j | j | j | | | j f � d S( N( R= Rz R� R� Rc R| R� R^ ( R? RF RG RH ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRI : s c C s3 | j j | | j | d | | | | f � d S( Ni ( R� R� R= ( R? RJ RK RL RM ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRk @ s c C sR t d | j | � t d | j d | j � } | j | j | j | j | | f S( Ni R� R� ( Rm R> R R� R� R< R= ( R? RO Rn t svg_elements( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRP D s ( RR RS RT R@ RI Rk RP ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� 1 s t MathtextBackendPathc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( sY Store information to write a mathtext rendering to the text path machinery. c C s g | _ g | _ d S( N( R� R� ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ T s c C sF | j | | j } | j } | j j | j | j | | | f � d S( N( R= Rz R� R� R� Rc R| ( R? RF RG RH t thetext( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRI X s c C s/ | j j | | j | | | | | f � d S( N( R� R� R= ( R? RJ RK RL RM ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRk ^ s c C s= t d | j | � | j | j | j | j | j | j f S( Ni ( Rm R> R< R= R� R� ( R? RO Rn ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRP b s ( RR RS RT R@ RI Rk RP ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� N s t MathtextBackendCairoc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( sS Store information to write a mathtext rendering to the Cairo backend. c C s g | _ g | _ d S( N( R� R� ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ p s c C sL | | j | j } t | j � } | j j | j | j | | | f � d S( N( Rz R= R: R� R� R� Rc R| ( R? RF RG RH R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRI t s c C s/ | j j | | | j | | | | f � d S( N( R� R� R= ( R? RJ RK RL RM ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRk z s c C s= t d | j | � | j | j | j | j | j | j f S( Ni ( Rm R> R< R= R� R� ( R? RO Rn ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRP ~ s ( RR RS RT R@ RI Rk RP ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� j s t Fontsc B sz e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� An abstract base class for a system of fonts to use for mathtext. The class must be able to take symbol keys and font file names and return the character metrics. It also delegates to a backend class to do the actual drawing. c C s | | _ | | _ i | _ d S( sH *default_font_prop*: A :class:`~matplotlib.font_manager.FontProperties` object to use for the default non-math font, or the base font for Unicode (generic) font rendering. *mathtext_backend*: A subclass of :class:`MathTextBackend` used to delegate the actual rendering. N( t default_font_propt mathtext_backendRn ( R? R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C s d | _ d S( sa Fix any cyclical references before the object is about to be destroyed. N( RW Rn ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt destroy� s c C s d S( su Get the kerning distance for font between *sym1* and *sym2*. *fontX*: one of the TeX font names:: tt, it, rm, cal, sf, bf or default/regular (non-math) *fontclassX*: TODO *symX*: a symbol in raw TeX form. e.g. '1', 'x' or '\sigma' *fontsizeX*: the fontsize in points *dpi*: the current dots-per-inch g ( ( R? t font1t fontclass1t sym1t fontsize1t font2t fontclass2t sym2t fontsize2t dpi( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_kern� s c C s" | j | | | | | � } | j S( s *font*: one of the TeX font names:: tt, it, rm, cal, sf, bf or default/regular (non-math) *font_class*: TODO *sym*: a symbol in raw TeX form. e.g. '1', 'x' or '\sigma' *fontsize*: font size in points *dpi*: current dots-per-inch Returns an object with the following attributes: - *advance*: The advance distance (in points) of the glyph. - *height*: The height of the glyph in points. - *width*: The width of the glyph in points. - *xmin*, *xmax*, *ymin*, *ymax* - the ink rectangle of the glyph - *iceberg* - the distance from the baseline to the top of the glyph. This corresponds to TeX's definition of "height". ( t _get_infoR^ ( R? Rc t font_classt symR| R� RH ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_metrics� s c C sR t | � t | � t | � | _ | _ | _ | j j | j | j | j � d S( s� Set the size of the buffer used to render the math expression. Only really necessary for the bitmap backends. N( R R< R= R> R� RD ( R? RA RB RC ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRD � s /c C s | j | | | | | � } t | j j � \ } } | j j | | t � f � } | d j | j � | j j | | | � d S( s Draw a glyph at - *ox*, *oy*: position - *facename*: One of the TeX face names - *font_class*: - *sym*: TeX symbol name or single character - *fontsize*: fontsize in points - *dpi*: The dpi to draw at. i N( R� R Rc R� Rn t setdefaultt sett addR� R� RI ( R? RF RG t facenameR� R� R| R� RH t realpatht stat_keyRn ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRI � s c C s | j j | | | | � d S( sL Draw a filled rectangle from (*x1*, *y1*) to (*x2*, *y2*). N( R� Rk ( R? RJ RK RL RM ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRk � s c C s t � � d S( sF Get the xheight for the given *font* and *fontsize*. N( RE ( R? Rc R| R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_xheight� s c C s t � � d S( s� Get the line thickness that matches the given font. Used as a base unit for drawing lines such as in a fraction or radical. N( RE ( R? Rc R| R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_underline_thickness s c C s | j S( s� Get the set of characters that were used in the math expression. Used by backends that need to subset fonts so they know which glyphs to include. ( Rn ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_used_characters s c C s) | j j | | j � � } | j � | S( s� Get the data needed by the backend to render the math expression. The return value is backend-specific. ( R� RP R� R� ( R? RO Rq ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRP s c C s | | f g S( s Override if your font provides multiple sizes of the same symbol. Should return a list of symbols matching *sym* in various sizes. The expression renderer will select the most appropriate size for a given situation from this list. ( ( R? t fontnameR� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt! get_sized_alternatives_for_symbol s ( RR RS RT R@ R� R� R� RD RI Rk R� R� R� RP R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t TruetypeFontsc B si e Z d Z d d d � � YZ d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( sa A generic base class for all font setups that use Truetype fonts (through FT2Font). t CachedFontc B s e Z d � Z d � Z RS( c C sS | | _ | j � | _ t g | j j � D] \ } } | | f ^ q+ � | _ d S( N( Rc t get_charmapt charmapt dictt iteritemst glyphmap( R? Rc t ccodet glyphind( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ ( s c C s t | j � S( N( t reprRc ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt __repr__. s ( RR RS R@ R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� ' s c C sj t j | | | � i | _ i | _ t | � } | j t t | � � � } | | j d <| | j d <d S( Nt defaultt regular( R� R@ t glyphdt _fontsR% R� R t str( R? R� R� R� t default_font( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ 1 s c C s d | _ t j | � d S( N( RW R� R� R� ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� ; s c C s� | | j k r | j | } n | } | j j | � } | d k r� t t | � � } | j | � } | | j | <| | j | j <| | j | j j � <n | S( N( t fontmapR� t getRW R R� R� R{ t lower( R? Rc t basenamet cached_font( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt _get_font? s c C s5 | j j d k r1 | j d d | d | d Sd S( Nt Cmex10g P@g @g @g R@g ( Rc R{ R= ( R? R� Rf R| R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt _get_offsetN s c C s� | | | | | f } | j j | � } | d k r7 | S| j | | | | � \ } } } } } | j } | j | | � | j | d | j j � �} g | j D] } | d ^ q� \ } } } } | j | | | | � } t d | j d d | j d d | j d d | d | d | | d | | d | j d | d | � } t d | d | d | j d | d | d | d | d | � } | j | <| S( Nt flagsg P@t advanceg �@R= R< R_ Ra Rb R` Re t slantedRc R| R{ R^ R} R� Rf Rz ( R� R� RW t _get_glyphRc t set_sizet load_charR� RQ RV R� R t linearHoriAdvanceR= R< t horiBearingYR{ ( R? R� R� R� R| R� t keyt bunchR� R� R} R� Rc Rf t valR_ Rb Ra R` Rz R^ Rq ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� S s@ ' , c C s� | j | � } | j j | | � | j j d � } | d k rf | j | t d d | | � } | j S| d d | d | d } | S( Nt pclts mathtext.defaultt xt xHeightg P@g (@g Y@( R� Rc R� t get_sfnt_tableRW R� R- Re ( R? Rc R| R� R� R� R^ R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� } s c C s d | | d S( Ng �?g (@g R@g �?( ( R? Rc R| R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s c C s� | | k rt | | k rt | j | | | | | � } | j | | | | | � } | j } | j | j | j t � d St j | | | | | | | | | | � S( Ng P@( R� Rc t get_kerningR� R" R� R� ( R? R� R� R� R� R� R� R� R� R� t info1t info2Rc ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s ( ( RR RS RT R� R@ R� R� R� R� R� R� R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� " s * t BakomaFontsc B s' e Z d Z i d d 6d d 6d d 6d d 6d d 6d d 6d d 6Z d � Z e d j � � Z d � Z i do dp dq dr ds g d 6dt du dv dw dx g d 6dy dz d{ d| d} g d 6d~ d d� d� d� g d 6d� d� d� d� g d$ 6d� d� d� d� g d( 6d� d� d� d� g d0 6d� d� d� d� g d5 6d� d� d� d� g d: 6d� d� d� d� g d? 6d� d� d� d� g dD 6d� d� d� d� g dI 6d� d� d� d� g dN 6d� d� d� d� g dS 6d� d� d� d� d� g dP 6d� d� d� d� g d\ 6d� d� d� d� g da 6d� d� g db 6d� d� g dc 6Z x@ d� d� d� d� d� d� d� d� d� d� g D] \ Z Z e e e e <q�Wdn � Z RS(� s� Use the Bakoma TrueType fonts for rendering. Symbols are strewn about a number of font files, each of which has its own proprietary 8-bit encoding. t cmsy10t calt cmr10t rmt cmtt10t ttt cmmi10t itt cmb10t bft cmss10t sft cmex10t exc O sx t | | � | _ t j | | | � i | _ xC | j j � D]2 \ } } t | � } | | j | <| | j | <q> Wd S( N( t StixFontst _stix_fallbackR� R@ R� t _fontmapR� R% ( R? t argst kwargsR� R� t fullpath( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s s \int \ointc C s[ d } | | j k r� | t k r� t | \ } } | d k pI | | j k } y | j | � } Wn t k rr q#X| j j | � } | j | } n� t | � d k r#| d k } y | j | � } Wn t k r� q#Xt | � } | j j | � } | d k r#| j j | j | � } q#n | d k rH| j j | | | | � S| | | | | f S( NR� i R� ( RW R� R' t _slanted_symbolsR� t RuntimeErrorRc t get_glyph_nameR� t lenR/ R� R� R� R� ( R? R� R� R� R| R} R� R� R� R� t gid( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s2 t (s �s �s �s �t )s �s �s �s !t {s �t ns �t }s �t os �t [s �RB s "t ]s �t is #s �t js �s $s \lfloors �t ks �s %s \rfloors �t ls �s &s \lceils �t ms �s 's \rceils �t Ds �s *s \langles �t Es �s +s \ranglet pt qt rt ss \__sqrt__s �s /s �s -s \backslashs �s .s �s ,s ^t bt cRC s \widehats ~t et ft gs \widetildet <t >s \leftparens ightparents \leftbraces ightbraces \leftbrackets ightbrackets \{s \}s \[s \]c C s | j j | | | f g � S( N( t _size_alternativesR� ( R? R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� s ( R� R� ( R� s �( R� s �( R� s �( R� s �( R� R� ( R� s �( R� s �( R� s �( R� s !( R� R� ( R� s �( R� s n( R� s �( R� R� ( R� R� ( R� s �( R� s o( R� s �( R� R� ( R� R� ( R� s �( R� s h( R� s "( R� R� ( R� s �( R� s i( R� s #( R� s �( R� s j( R� s �( R� s $( R� s �( R� s k( R� s �( R� s %( R� s �( R� s l( R� s �( R� s &( R� s �( R� s m( R� s �( R� s '( R� s �( R� s D( R� s �( R� s *( R� s �( R� s E( R� s �( R� s +( R� s p( R� s q( R� s r( R� s s( R� s �( R� s /( R� s �( R� s -( R� s /( R� s �( R� s .( R� s �( R� s ,( R� s ^( R� s b( R� s c( R� s d( R� s ~( R� s e( R� s f( R� s g( R� s h( R� s D( R� s i( R� s E( s \leftparenR� ( s ightparentR� ( s \leftbraceR� ( s ightbraceR� ( s \leftbracketR� ( s ightbracketR� ( s \{R� ( s \}R� ( s \[R� ( s \]R� ( RR RS RT R� R@ R� t splitR� R� R t aliast targetR� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � sx " t UnicodeFontsc B sJ e Z d Z e Z d � Z e d j � � Z d � Z d � Z d � Z RS( sa An abstract base class for handling Unicode fonts. While some reasonably complete Unicode fonts (such as DejaVu) may work in some situations, the only Unicode font I'm aware of with a complete set of math symbols is STIX. This class will "fallback" on the Bakoma fonts when a required symbol can not be found in the font. c O s� t d r t | | � | _ n d | _ t j | | | � i | _ x; d j � D]- } t d | } t | � } | | j | <qQ Wt d � } t | � } | | j d <d S( Ns mathtext.fallback_to_cms cal rm tt it bf sfs mathtext.R� R� ( R- R� t cm_fallbackRW R� R@ R� R R% R& ( R? R� R� t texfontt propRc ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ s s \int \ointc C s | | f S( N( ( R? R� R� t uniindex( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt _map_virtual_font. s c C s� t } | j r< t j | � } | d k r< d } t } q< n | s� y t | � } t } Wq� t k r� t d � } t d | j d d � t � q� Xn | j | | | � \ } } | } | r�| d k r$| d k r$t | � } t j | � d d k st j | � j d � r!d } q!q$n | d k p<| | j k } t } y | j | � } Wn t k rkq�Xy | j | } t } Wq�t k r�q�Xn | sj| j r�t d t � | j j | d | | � S| d k r t | t � r | j d | | | � St d | | j d d � | f t � t d t � d } | } | j | � } d } | j | } t } n | j j | � } | | | | | f S( NR� t ?s" No TeX to unicode mapping for '%s't asciit backslashreplaceR� i i t Ls GREEK CAPITALR� s0 Substituting with a symbol from Computer Modern.R� s. Font '%s' does not have a glyph for '%s' [U%x]s! Substituting with a dummy symbol.i� ( s its regular( t Falset use_cmexR* R� RW t TrueR7 R4 R/ R t encodet MathTextWarningR R8 t unicodedatat categoryt namet startswithR� R� R� R� R2 R R� t isinstanceR� Rc R� ( R? R� R� R� R| t found_symbolR t new_fontnamet unistringR� R� t glyphindexR} ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� 1 sp c C s) | j r | j j | | � S| | f g S( N( R R� ( R? R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� w s ( RR RS RT R R R@ R� R R� R R� R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR s FR� c B s� e Z d Z i d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6Z e Z e Z e Z d � Z d � Z i Z d � Z RS( sa A font handling class for the STIX fonts. In addition to what UnicodeFonts provides, this class: - supports "virtual fonts" which are complete alpha numeric character sets with different font styles at special Unicode code points, such as "Blackboard". - handles sized alternative characters for the STIXSizeX fonts. t STIXGeneralR� s STIXGeneral:italicR� s STIXGeneral:weight=boldR� t STIXNonUnicodet nonunirms STIXNonUnicode:italict nonuniits STIXNonUnicode:weight=boldt nonunibfi t STIXSizeOneSymi t STIXSizeTwoSymi t STIXSizeThreeSymi t STIXSizeFourSymi t STIXSizeFiveSymi c O sf t j | | | � i | _ xC | j j � D]2 \ } } t | � } | | j | <| | j | <q, Wd S( N( R� R@ R� R� R� R% ( R? R� R� R� R R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C s� t j | � } | j rC | d k rC | d k rC t d } t } n t } | d k rLt | t � ry | j | d � } n d } t | � } x_ | | k r� | | d } | | } | | d k r� | } q� | | d k r� Pq� | d } q� W| | d k r0| | d k r0| | d | d } | d } qL| sLd } t d } qLn | d k r}| d k r}| d k r}d | } n | | f S( NR� R� R� R� i i i i s mathtext.defaultR� R� i � i�� t nonuni( s regulars default( s its rms bf( R+ R� t _sansRW R R R! R� R� R- ( R? R� R� R t mappingt doing_sans_conversiont lot hit midt range( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR � s: c C s@ i d d 6d d 6d d 6d d 6} | j | | � } | j j | � } | rP | Sg } y t | � } Wn t k r� | | f g SXi d t d � 6d t d � 6} | j | | � } x] t d � D]O } | j | � } | j j | � } | d k r� | j | t | � f � q� q� W| d k r/| d } n | | j | <| S( NR� s \{R� s \}R� s \[R� s \]i�' R i�' R i s \__sqrt__i����( R� R R7 R4 R/ R7 R� R� RW R� R: ( R? R� R� t fixest alternativesR t fix_upsR� R� R% ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s. " ( RR RS RT R� R R R R1 R@ R R R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� } s( +t StixSansFontsc B s e Z d Z e Z RS( sd A font handling class for the STIX fonts (that uses sans-serif characters by default). ( RR RS RT R R1 ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR; � s t StandardPsFontsc B s� e Z d Z e j j e � d d � Z i d d 6d d 6d d 6d d 6d d 6d d 6d d 6Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� Use the standard postscript fonts for rendering to backend_ps Unlike the other font classes, BakomaFont and UnicodeFont, this one requires the Ps backend. t fontst afmt pzcmi8aR� t pncr8aR� t pcrr8aR� t pncri8aR� t phvr8aR� t pncb8aR� t psyrc C s� t j | | t � � i | _ i | _ t | d d d | j �} | d k rm t d d d d | j �} n t | d � � } t | � } Wd QX| | _ | | j d <| | j d <t � | _ d S( Nt fontextR> t directoryt HelveticaR R� R� ( R� R@ Rw R� R= R% t basepathRW t openR R� R Rx ( R? R� R� t fdR� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ s c C s� | | j k r | j | } n | } | j j | � } | d k r� t j j | j | d � } t | d � � } t | � } Wd QX| | _ | | j | <| | j | j � <n | S( Ns .afmR ( R� R= R� RW t ost patht joinRI RJ R R� t get_fontname( R? Rc R� R� R� RK ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� s c C s� | | | | f } | j j | � } | d k r4 | S| d k rz t | � d k sq t j t | � � j d � rz d } n t } | t k r� t | \ } } t | � } t } n> t | � d k r� | } t | � } t } n t d | t � | d k } | j | � } | rZy | j | � } WqZt k rVt d | j | f t � t } qZXn | s�d } } t | � } | j | � } n d } d | } g | j | � D] } | | ^ q�\ } } } } t d | j | � | d | j | � | d | j | � | d | d | d | | d | | d | | d | � } t d | d | d | j � d | d | d | d | d | � | j | <| j | S( s/ load the cmfont, metrics and glyph with cachingR� i R R� s. No TeX to built-in Postscript mapping for '%s's2 No glyph in standard Postscript font '%s' for '%s'R i g����MbP?R� R< R= R_ Ra Rb R` Re R� Rc R| R{ R^ R} R� Rf Rz N( R� R� RW R� R R t unicodeR R R( t chrR R/ R R R� t get_name_charR2 R{ t get_bbox_charR t get_width_chart get_height_charRO ( R? R� R� R� R| R� R� t tupR" R� Rf R� Rc R} Rz t scaleR� R_ Rb Ra R` R^ ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� , sr / c C s� | | k ru | | k ru | j | | | | | � } | j | | | | | � } | j } | j | j | j � d | St j | | | | | | | | | | � S( Ng����MbP?( R� Rc t get_kern_distRf R� R� ( R? R� R� R� R� R� R� R� R� R� R� R� Rc ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� z s c C s! | j | � } | j � d | S( Ng����MbP?( R� R� ( R? Rc R| R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s c C s! | j | � } | j � d | S( Ng����MbP?( R� R� ( R? Rc R| R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s N( RR RS RT RL RM RN R, RI RW R� R@ R� R� R� R� R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR< � s N gffffff�?g �?i g�������?g333333�?g �?g g ףp= �?R c B s e Z RS( ( RR RS ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR � s t Nodec B sM e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s% A node in the TeX box model c C s d | _ d S( Ni ( t size( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C s | j � S( N( t __internal_repr__( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s c C s | j j S( N( t __class__RR ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR[ � s c C s d S( Ng ( ( R? t next( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s c C s | j d 7_ d S( s� Shrinks one level smaller. There are only three levels of sizes, after which things will no longer get smaller. i N( RZ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt shrink� s c C s | j d 8_ d S( sb Grows one level larger. There is no limit to how big something can get. i N( RZ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt grow� s c C s d S( N( ( R? R� Rj ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRl � s ( RR RS RT R@ R� R[ R� R^ R_ Rl ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRY � s t Boxc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( s7 Represents any node with a physical location. c C s, t j | � | | _ | | _ | | _ d S( N( RY R@ R< R= R> ( R? R< R= R> ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C sP t j | � | j t k rL | j t 9_ | j t 9_ | j t 9_ n d S( N( RY R^ RZ t NUM_SIZE_LEVELSR< t SHRINK_FACTORR= R> ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR^ � s c C s> t j | � | j t 9_ | j t 9_ | j t 9_ d S( N( RY R_ R< t GROW_FACTORR= R> ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR_ � s c C s d S( N( ( R? RJ RK RL RM ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRl � s ( RR RS RT R@ R^ R_ Rl ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR` � s t Vboxc B s e Z d Z d � Z RS( s. A box with only height (zero width). c C s t j | d | | � d S( Ng ( R` R@ ( R? R= R> ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS RT R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRd � s t Hboxc B s e Z d Z d � Z RS( s8 A box with only width (zero height and depth). c C s t j | | d d � d S( Ng ( R` R@ ( R? R< ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ s ( RR RS RT R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRe � s t Charc B sV e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s# Represents a single character. Unlike TeX, the font information and metrics are stored with each :class:`Char` to make it easier to lookup the font metrics when needed. Note that TeX boxes have a width, height, and depth, unlike Type1 and Truetype which use a full bounding box and an advance in the x-direction. The metrics must be converted to the TeX way, and the advance (if different from width) must be converted into a :class:`Kern` node when the :class:`Char` is added to its parent :class:`Hlist`. c C s` t j | � | | _ | j | _ | j | _ | j | _ | j | _ | j | _ | j � d S( N( RY R@ R t font_outputRc R� R| R� t _update_metrics( R? R t state( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ s c C s d | j S( Ns `%s`( R ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR[ s c C s� | j j | j | j | j | j | j � } | _ | j d k rR | j | _ n | j | _ | j | _ | j | j | _ d S( Nt ( Rg R� Rc R� R R| R� t _metricsR� R< Re R= R> ( R? R^ ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRh s + c C s | j j S( N( Rk R� ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt is_slanted( s c C sx | j j | j } d } t | t � rp | j j | j | j | j | j | j | j | j | j | j � } n | | S( s� Return the amount of kerning between this and the given character. Called when characters are strung together into :class:`Hlist` to create :class:`Kern` nodes. g ( Rk R� R< R! Rf Rg R� Rc R� R R| R� ( R? R] R� t kern( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� + s c C s5 | j j | | | j | j | j | j | j � d S( s4 Render the character to the canvas N( Rg RI Rc R� R R| R� ( R? R� Rj ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRl : s c C s_ t j | � | j t k r[ | j t 9_ | j t 9_ | j t 9_ | j t 9_ n d S( N( RY R^ RZ Ra R| Rb R< R= R> ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR^ B s c C sM t j | � | j t 9_ | j t 9_ | j t 9_ | j t 9_ d S( N( RY R_ R| Rc R< R= R> ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR_ J s ( RR RS RT R@ R[ Rh Rl R� Rl R^ R_ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRf s t Accentc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( s� The font metrics need to be dealt with differently for accents, since they are already offset correctly from the baseline in TrueType fonts. c C sg | j j | j | j | j | j | j � } | _ | j | j | _ | j | j | _ d | _ d S( Ni ( Rg R� Rc R� R R| R� Rk Ra R_ R< R` Rb R= R> ( R? R^ ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRh W s +c C s t j | � | j � d S( N( Rf R^ Rh ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR^ ^ s c C s t j | � | j � d S( N( Rf R_ Rh ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR_ b s c C sI | j j | | j j | | j j | j | j | j | j | j � d S( s5 Render the character to the canvas. N( Rg RI Rk R_ Rb Rc R� R R| R� ( R? R� Rj ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRl f s ( RR RS RT Rh R^ R_ Rl ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRn Q s t Listc B sD e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s: A list of nodes (either horizontal or vertical). c C sG t j | d d d � d | _ | | _ d | _ d | _ d | _ d S( Ng i ( R` R@ t shift_amountt childrent glue_sett glue_signt glue_order( R? t elements( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ r s c C sQ d | j � | j | j | j | j d j g | j D] } t | � ^ q4 � f S( Ns! [%s <%.02f %.02f %.02f %.02f> %s]Rj ( R[ R< R= R> Rp RN Rq R� ( R? R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� { s c C sK d } x> t t | � d d d � D] } | | d k r# | } Pq# q# W| S( s� A helper function to determine the highest order of glue used by the members of this list. Used by vpack and hpack. i i i����g ( R7 R� ( R? t totalsR� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt _determine_order� s #c C s� | j | � } | | _ | | _ | | d k rE | | | | _ n d | _ d | _ | d k r� t | j � r� t d | | j j | f t � q� n d S( Ng i s %s %s: %r( Rw Rt Rs Rr t glue_ratioR� Rq R R\ RR R ( R? R� t signRv t error_typeR� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt _set_glue� s c C s_ x | j D] } | j � q Wt j | � | j t k r[ | j t 9_ | j t 9_ n d S( N( Rq R^ R` RZ Ra Rp Rb Rr ( R? t child( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR^ � s c C sM x | j D] } | j � q Wt j | � | j t 9_ | j t 9_ d S( N( Rq R_ R` Rp Rc Rr ( R? R| ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR_ � s ( RR RS RT R@ R� Rw R{ R^ R_ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRo n s t Hlistc B s8 e Z d Z d d e d � Z d � Z d d d � Z RS( s% A horizontal list of boxes. g t additionalc C s1 t j | | � | r# | j � n | j � d S( N( Ro R@ Rm t hpack( R? Ru RA R� t do_kern( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C s� g } t | j � } | r� x� t | � D]� } | j | } | | d k r_ | j | d } n d } | j | � | j | � } | d k r( t | � } | j | � q( q( W| | _ n d S( s) Insert :class:`Kern` nodes between :class:`Char` nodes to set kerning. The :class:`Char` nodes themselves determine the amount of kerning they need (in :meth:`~Char.get_kerning`), and this function just creates the linked list in the correct way. i g N( R� Rq R7 RW R� R� t Kern( R? t new_childrent num_childrenR� t elemR] t kerning_distanceRm ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRm � s c C s d } d } d } d g d } d g d } xG| j D]<} t | t � r | | j 7} t | | j � } t | | j � } q6 t | t � r� | | j 7} t | j � rrt | j � rrt | d d � } t | | j | � } t | | j | � } qrq6 t | t � rS| j } | | j 7} | | j c | j 7<| | j c | j 7<q6 t | t � r6 | | j 7} q6 q6 W| | _ | | _ | d k r�| | 7} n | | _ | | } | d k r�d | _ d | _ d | _ d S| d k r| j | d | d � n | j | d | d � d S( s The main duty of :meth:`hpack` is to compute the dimensions of the resulting boxes, and to adjust the glue if one of those dimensions is pre-specified. The computed sizes normally enclose all of the material inside the new box; but some items may stick out if negative glue is used, if the box is overfull, or if a ``\vbox`` includes other boxes that have been shifted left. - *w*: specifies a width - *m*: is either 'exactly' or 'additional'. Thus, ``hpack(w, 'exactly')`` produces a box whose width is exactly *w*, while ``hpack(w, 'additional')`` yields a box whose width is the natural width plus *w*. The default values produce a box with the natural width. g i Rp R~ i Ni t Overfulli����t Underfull( Rq R! Rf R< R[ R= R> R` R t getattrt Gluet glue_spect stretch_ordert stretcht shrink_orderR^ R� Rs Rt Rx R{ ( R? RA R� RB RC R� t total_stretcht total_shrinkR� R R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR � sJ ( RR RS RT R R@ Rm R ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR} � s &t Vlistc B s5 e Z d Z d d d � Z d d e e � d � Z RS( s# A vertical list of boxes. g R~ c C s t j | | � | j � d S( N( Ro R@ t vpack( R? Ru RB R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ s c C s d } d } d } d g d } d g d } x"| j D]} t | t � r� | | | j 7} | j } t | j � sMt | d d � } t | | j | � } qMq6 t | t � r| | 7} d } | j } | | j 7} | | j c | j 7<| | j c | j 7<q6 t | t � r/| | | j 7} d } q6 t | t � r6 t d � � q6 q6 W| | _ | | k r�| | | 7} | | _ n | | _ | d k r�| | 7} n | | _ | | } | d k r�d | _ d | _ d | _ d S| d k r| j | d | d � n | j | d | d � d S( s6 The main duty of :meth:`vpack` is to compute the dimensions of the resulting boxes, and to adjust the glue if one of those dimensions is pre-specified. - *h*: specifies a height - *m*: is either 'exactly' or 'additional'. - *l*: a maximum height Thus, ``vpack(h, 'exactly')`` produces a box whose height is exactly *h*, while ``vpack(h, 'additional')`` yields a box whose height is the natural height plus *h*. The default values produce a box with the natural width. g i Rp s2 Internal mathtext error: Char node found in Vlist.R~ i Ni R� i����R� ( Rq R! R` R= R> R R< R� R[ R� R� R� R� R� R^ R� Rf R� Rs Rt Rx R{ ( R? RB R� R� RA RC R� R� R� R� R R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� " sR ( RR RS RT R@ t floatR R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� s t Rulec B s e Z d Z d � Z d � Z RS( s� A :class:`Rule` node stands for a solid black rectangle; it has *width*, *depth*, and *height* fields just as in an :class:`Hlist`. However, if any of these dimensions is inf, the actual value will be determined by running the rule up to the boundary of the innermost enclosing box. This is called a "running dimension." The width is never running in an :class:`Hlist`; the height and depth are never running in a :class:`Vlist`. c C s& t j | | | | � | j | _ d S( N( R` R@ Rg ( R? R< R= R> Ri ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ n s c C s% | j j | | | | | | � d S( N( Rg Rk ( R? R� Rj RA RB ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRl r s ( RR RS RT R@ Rl ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� d s t Hrulec B s e Z d Z d d � Z RS( s8 Convenience class to create a horizontal rule. c C s[ | d k r0 | j j | j | j | j � } n | d } } t j | t | | | � d S( Ng �?( RW Rg R� Rc R| R� R� R@ R ( R? Ri t thicknessR= R> ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ y s N( RR RS RT RW R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� u s t Vrulec B s e Z d Z d � Z RS( s6 Convenience class to create a vertical rule. c C s> | j j | j | j | j � } t j | | t t | � d S( N( Rg R� Rc R| R� R� R@ R ( R? Ri R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS RT R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s R� c B s, e Z d Z e d � Z d � Z d � Z RS( s Most of the information in this object is stored in the underlying :class:`GlueSpec` class, which is shared between multiple glue objects. (This is a memory optimization which probably doesn't matter anymore, but it's easier to stick to what TeX does.) c C sz t j | � d | _ t | � r4 t j | � } n$ t | t � rL | } n t d � � | rm | j � } n | | _ d S( Nt normals/ glue_type must be a glue spec name or instance.( RY R@ t glue_subtypeR t GlueSpect factoryR! t ArgumentErrort copyR� ( R? t glue_typeR� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C s\ t j | � | j t k rX | j j d k rX | j j � | _ | j j t 9_ qX n d S( Ng ( RY R^ RZ Ra R� R< R� Rb ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR^ � s c C sJ t j | � | j j d k rF | j j � | _ | j j t 9_ n d S( Ng ( RY R_ R� R< R� Rc ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR_ � s ( RR RS RT R R@ R^ R_ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s R� c B sD e Z d Z d d d d d d � Z d � Z d � Z e e � Z RS( s See :class:`Glue`. g i c C s1 | | _ | | _ | | _ | | _ | | _ d S( N( R< R� R� R^ R� ( R? R< R� R� R^ R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s c C s% t | j | j | j | j | j � S( N( R� R< R� R� R^ R� ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s c C s | j | S( N( t _types( t clsR� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s ( RR RS RT R@ R� R� t classmethod( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s i t fili t fillt filllt neg_filt neg_fillt neg_filllt emptyg �t sst Filc B s e Z d � Z RS( c C s t j | d � d S( NR� ( R� R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t Fillc B s e Z d � Z RS( c C s t j | d � d S( NR� ( R� R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t Filllc B s e Z d � Z RS( c C s t j | d � d S( NR� ( R� R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t NegFilc B s e Z d � Z RS( c C s t j | d � d S( NR� ( R� R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t NegFillc B s e Z d � Z RS( c C s t j | d � d S( NR� ( R� R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t NegFilllc B s e Z d � Z RS( c C s t j | d � d S( NR� ( R� R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t SsGluec B s e Z d � Z RS( c C s t j | d � d S( NR� ( R� R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t HCenteredc B s e Z d Z d � Z RS( ss A convenience class to create an :class:`Hlist` whose contents are centered within its enclosing box. c C s. t j | t � g | t � g d t �d S( NR� ( R} R@ R� R ( R? Ru ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s #( RR RS RT R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t VCenteredc B s e Z d Z d � Z RS( sr A convenience class to create a :class:`Vlist` whose contents are centered within its enclosing box. c C s( t j | t � g | t � g � d S( N( R� R@ R� ( R? Ru ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s ( RR RS RT R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s R� c B s> e Z d Z d Z d Z d � Z d � Z d � Z d � Z RS( s� A :class:`Kern` node has a width field to specify a (normally negative) amount of spacing. This spacing correction appears in horizontal lists between letters like A and V when the font designer said that it looks better to move them closer together or further apart. A kern node can also appear in a vertical list, when its *width* denotes additional spacing in the vertical direction. i c C s t j | � | | _ d S( N( RY R@ R< ( R? R< ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ s c C s d | j S( Ns k%.02f( R< ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� s c C s2 t j | � | j t k r. | j t 9_ n d S( N( RY R^ RZ Ra R< Rb ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR^ s c C s t j | � | j t 9_ d S( N( RY R_ R< Rc ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR_ s ( RR RS RT R= R> R@ R� R^ R_ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s t SubSuperClusterc B s e Z d Z d � Z RS( sR :class:`SubSuperCluster` is a sort of hack to get around that fact that this code do a two-pass parse like TeX. This lets us store enough information in the hlist itself, namely the nucleus, sub- and super-script, such that if another script follows that needs to be attached, it can be reconfigured on the fly. c C s/ d | _ d | _ d | _ t j | g � d S( N( RW t nucleust subt superR} R@ ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ s ( RR RS RT R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� s t AutoHeightCharc B s e Z d Z e d d � Z RS( sG :class:`AutoHeightChar` will create a character as close to the given height and depth as possible. When using a font with multiple height versions of some characters (such as the BaKoMa fonts), the correct glyph will be selected, otherwise this will always just return a scaled version of the glyph. c C s� | j j | j | � } | j � } | | } xF | D]> \ } } | | _ t | | � } | j | j | k r5 Pq5 q5 W| d k r� | | j | j } n | j | 9_ t | | � } | | j } t j | | g � | | _ d S( N( Rg R� Rc R� Rf R= R> RW R| R} R@ Rp ( R? R R= R> Ri t alwayst factorR9 t target_totalR� R� t chart shift( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ . s N( RR RS RT R RW R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� & s t AutoWidthCharc B s e Z d Z e e d � Z RS( s: :class:`AutoWidthChar` will create a character as close to the given width as possible. When using a font with multiple width versions of some characters (such as the BaKoMa fonts), the correct glyph will be selected, otherwise this will always just return a scaled version of the glyph. c C s� | j j | j | � } | j � } x? | D]7 \ } } | | _ | | | � } | j | k r+ Pq+ q+ W| | j } | j | 9_ | | | � } t j | | g � | j | _ d S( N( Rg R� Rc R� R< R| R} R@ ( R? R R< Ri R� t char_classR9 R� R� R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ K s ( RR RS RT R Rf R@ ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� C s t Shipc B s> e Z d Z d � Z d � Z e e � Z d � Z d � Z RS( s� Once the boxes have been set up, this sends them to output. Since boxes can be inside of boxes inside of boxes, the main work of :class:`Ship` is done by two mutually recursive routines, :meth:`hlist_out` and :meth:`vlist_out`, which traverse the :class:`Hlist` nodes and :class:`Vlist` nodes inside of horizontal and vertical boxes. The global variables used in TeX to store state as it processes have become member variables here. c C sN d | _ d | _ d | _ d | _ | | _ | | j | _ | j | � d S( Ni g ( t max_pusht cur_st cur_vt cur_ht off_hR= t off_vt hlist_out( R? RF RG RO ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt __call__g s c C s$ | d k r d S| d k r d S| S( Ng e��g e��A( ( t value( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt clampp s c C s/ d } d } | j } | j } | j } | j } | j d 7_ t | j | j � | _ | j } x�| j D]�} t | t � r� | j | j | j | j | j � | j | j 7_ qj t | t � r� | j | j 7_ qj t | t � rvt | j � d k r| j | j 7_ q| j } | | j | _ t | t � rM| j | � n | j | � | | j | _ | | _ qj t | t � r=| j } | j } | j } t | � r�| j } n t | � r�| j } n | d k r+| d k r+t | | _ | j | j | j | j | j | | � t | _ n | j | 7_ qj t | t � rj | j } | j | } | d k r�| d k r�| j | k r�| | j 7} t | t | j! � | � � } q�q�| j" | k r�| | j# 7} t | t | j! � | � � } q�n | | 7} | j | 7_ qj qj W| j d 8_ d S( Ni g i ($ Rt Rs R� R� R� R[ R� R� Rq R! Rf Rl R� R� R< R� Ro R� Rp R} R� t vlist_outR` R= R> R t baselineR� R� R� R� t roundR� Rr R� R^ ( R? RO t cur_gt cur_glueRt Rs t base_linet left_edgeR� R� t edget rule_heightt rule_deptht rule_widthR� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� x sl $ % % c C s d } d } | j } | j } | j d 7_ t | j | j � | _ | j } | j | j 8_ | j } | j } x�| j D]�} t | t � r� | j | j 7_ q| t | t � ret | j � d k r� | j | j | j 7_ q| j | j 7_ | | j | _ | j } | j | _ t | t � r<| j | � n | j | � | | j | _ | | _ q| t | t � r| j } | j } | j } t | � r�| j } n | | 7} | d k r| d k r| j | 7_ | j | j | j | j | j | | � qq| t | t � r�| j } | j | } | d k r�| d k r�| j | k r�| | j 7} t | t | j � | � � } q�q�| j | k r�| | j! 7} t | t | j � | � � } q�n | | 7} | j | 7_ q| t | t" � r| t# d � � q| q| W| j d 8_ d S( Ni g i s1 Internal mathtext error: Char node found in vlist($ Rt Rs R� R[ R� R� R� R= R� Rq R! R� R< Ro R� R> Rp R} R� R� R` R Rl R� R� R� R� R� R� R� R� Rr R� R^ Rf R� ( R? RO R� R� Rt Rs R� t top_edgeR� R� t save_vR� R� R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � sj % % ( RR RS RT R� R� t staticmethodR� R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� ] s ?c s) � f d � } t � } | j | � | S( s. Helper class to raise parser errors. c s t | | � � � d S( N( R ( R t loct toks( t msg( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt raise_error� s ( R t setParseAction( R� R� R� ( ( R� s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt Error� s t Parserc B s+ e Z d Z e d j � � Z e d j � � Z e d j � � Z e e Be BZ e d j � � Z e d j � � Z e d j � � Z e d j � � Z e d j � � Z e d j � � Z e d j � � Z e d j � � Z e d j � � Z d � Z d � Z d e f d � � YZ d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z i d d 6d d 6d d 6d d 6d! d" 6d# d$ 6d d% 6Z d& � Z d' � Z d( � Z! d) � Z" i dc de d/ f d0 6Z$ d1 � Z% i d2 d3 6d4 d5 6d6 d7 6d8 d9 6d: d; 6d< d= 6d> d? 6d@ dA 6dB dC 6d< dD 6d8 dE 6d: dF 6d> dG 6d@ dH 6d2 dI 6dJ dK 6dL dM 6Z& e dN j � � Z' dO � Z( dP � Z) dQ � Z* dR � Z+ dS � Z, e, Z- Z. dT � Z/ dU � Z0 dV � Z1 dW � Z2 dX � Z3 dY � Z4 dZ � Z5 d[ � Z6 d\ � Z7 d] � Z8 d^ � Z9 d_ � Z: d` � Z; da � Z< db � Z= RS(f s This is the pyparsing-based parser for math expressions. It actually parses full strings *containing* math expressions, in that raw text may also appear outside of pairs of ``$``. The grammar is based directly on that in TeX, though it cuts a few corners. s� + * \pm \sqcap \rhd \mp \sqcup \unlhd \times \vee \unrhd \div \wedge \oplus \ast \setminus \ominus \star \wr \otimes \circ \diamond \oslash \bullet \bigtriangleup \odot \cdot \bigtriangledown \bigcirc \cap \triangleleft \dagger \cup \triangleright \ddagger \uplus \lhd \amalgsc = < > : \leq \geq \equiv \models \prec \succ \sim \perp \preceq \succeq \simeq \mid \ll \gg \asymp \parallel \subset \supset \approx \bowtie \subseteq \supseteq \cong \Join \sqsubset \sqsupset \neq \smile \sqsubseteq \sqsupseteq \doteq \frown \in \ni \propto \vdash \dashv \dotss� \leftarrow \longleftarrow \uparrow \Leftarrow \Longleftarrow \Uparrow \rightarrow \longrightarrow \downarrow \Rightarrow \Longrightarrow \Downarrow \leftrightarrow \longleftrightarrow \updownarrow \Leftrightarrow \Longleftrightarrow \Updownarrow \mapsto \longmapsto \nearrow \hookleftarrow \hookrightarrow \searrow \leftharpoonup \rightharpoonup \swarrow \leftharpoondown \rightharpoondown \nwarrow \rightleftharpoons \leadstos , ; . ! \ldotp \cdotps} \sum \prod \coprod \bigcap \bigcup \bigsqcup \bigvee \bigwedge \bigodot \bigotimes \bigoplus \biguplus s lim liminf limsup sup max mins \int \oints6 rm cal it tt sf bf default bb frak circled scr regulars� arccos csc ker min arcsin deg lg Pr arctan det lim sec arg dim liminf sin cos exp limsup sinh cosh gcd ln sup cot hom log tan coth inf max tanhsb | \| / \backslash \uparrow \downarrow \updownarrow \Uparrow \Downarrow \Updownarrow .s ( [ \{ < \lfloor \langle \lceils ) ] \} > \rfloor \rangle \rceilc 2 C s t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � } t � }! t � }" t � }# t � }$ t � }% t � }& t � }' t � }( t � }) t � }* t � }+ t � }, t � }- x9 t � j � D]( \ }. }/ |. d k r�|/ j |. � q�q�W| t d � >| t d � >| t d � j � >| t d � j � >| t d � j � >| t d � j � >| t d � >|$ t | j j � � >| t t d � � | | | t d � B>d }0 |# t d |0 � >|+ t | t t j � � � t t d � j � t � B� >|* |# |+ Bj � >| t d � >| t | � t | j j � � >| t t | � t | j j � t | j � � | � >| t | � t t | j � � >|' t | � | >| | j � >|" t | t |, � | � >| t | t |, � | � >| t |' t |, � | � >| t | � t t | j � � >| t | � t g | j D] }1 d |1 ^ q'� >| t t t d � � | | t d � B� >|& t t t d � � | | t d � B� >| t t t d � � | | t d � B� >| t t | j � � >| t t | j � � >| t t | j � � >| t t | j t d g � � d g � >| t t t d � � | t | | Bd d �| | t | | Bd d �| | | | |" | | t d � B� >|% t t t d � � t | | | d d �| t d � B� >| t t t d � � | t d � B� >|- t | t d � � >| t t t d � � | t |! |- B� | t d! � B� >| | |* B| B| B| B| B|& B| B| B|% B| B| B>|! |$ | B| B|( B>|) t d" d# g � >|( t t | � t |) | � t | � | t | � B| B� >|, |! | B|- B>| t t d$ � � | | Bt d% � Bt t |! | B� � t t d& � � | | Bt d% � B>| t |, � >| t! d' d d( t" �>| t d) � j � >| | t | | � t � >xE t � j � D]4 \ }. }/ t# | |. � r�|/ j$ t% | |. � � q�q�W| | _& | | _' d S(* NR? s [-+]?([0-9]+\.?[0-9]*|\.[0-9]+)s [-+]?[0-9]+R� R� R� R� s \s \hspaces Expected \hspace{n}u -u; ([a-zA-Z0-9 +\-*/<>=:,.;!\?&'@()\[\]|%s])|(\\[%%${}\[\]_|])s [^A-Za-z]s '+t maths \fracs Expected \frac{num}{den}s \stackrels Expected \stackrel{num}{den}s \binoms Expected \binom{num}{den}s \}s \genfracR� t s< Expected \genfrac{ldelim}{rdelim}{rulesize}{style}{num}{den}s \sqrts Expected \sqrt{value}s \overlines Expected \overline{value}s [A-Za-z]*s \operatornames Expected \operatorname{value}t _t ^s \lefts Expected a delimiters \rightt $t unquoteResultss (?:(?:\\[$])|[^$])*(( R R3 t itemst setNameR R t suppressR t _space_widthst keysR R� R R) R t leaveWhitespaceR t _char_over_charsR t _accent_mapt listt _wide_accentst _function_namesR R� R R t _fontnamest _ambi_delimt _left_delimt _right_delimR� RW R R t hasattrR� R� t _expressiont _math_expression(2 R? t accentt ambi_delimt apostrophet auto_delimt binomt bslasht c_over_ct customspacet end_groupt float_literalRc t fract functiont genfract groupt int_literalt latexfontt lbrackett left_delimt lbracet mainR� t math_stringt non_matht operatornamet overlinet placeablet rbracet rbrackett required_groupt right_delimt right_delim_safet simplet simple_groupt single_symbolt spacet sqrtt stackrelt start_groupt subsupert subsuperopR5 R} t tokent unknown_symbolR� R� t unicode_rangeR� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ P s� !2! !2+O 18 Y c C s� | j | d d | | � g | _ i | _ y | j j | � } WnL t k r� } t d j d | j d | j d d t | � g � � � n Xd | _ i | _ | j j � | d S( s� Parse expression *s* using the given *fonts_object* for output, at the given *fontsize* and *dpi*. Returns the parse tree of :class:`Node` instances. R� R� s R� Rj i R� i N( t Statet _state_stackt _em_width_cacheR� t parseStringR R4 RN t linet columnR� RW t resetCache( R? R t fonts_objectR| R� Rq t err( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt parse s ! R c B sA e Z d Z d � Z d � Z d � Z d � Z e e e � Z RS( s� Stores the state of the parser. States are pushed and popped from a stack as necessary, and the "current" state is always at the top of the stack. c C s1 | | _ | | _ | | _ | | _ | | _ d S( N( Rg t _fontR� R| R� ( R? Rg Rc R� R| R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ 9 s c C s( t j | j | j | j | j | j � S( N( R� R Rg Rc R� R| R� ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� @ s c C s | j S( N( R* ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� H s c C s% | d k r | | _ n | | _ d S( NR� R� R� ( s rms its bf( R� R* ( R? R ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt _set_fontJ s ( RR RS RT R@ R� R� R+ t propertyRc ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR 2 s c C s | j d S( s? Get the current :class:`State` of the parser. i����( R! ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_stateP s c C s | j j � d S( s8 Pop a :class:`State` off of the stack. N( R! t pop( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt pop_stateV s c C s | j j | j � j � � d S( sm Push a new :class:`State` onto the stack which is just a copy of the current state. N( R! R� R- R� ( R? ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt push_state\ s c C s t | � g S( N( R} ( R? R R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR c s c C s | j j | d d d !� S( Ni i i����( R� R# ( R? R R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR g s c C s t | � } | j � | g S( N( R} R/ ( R? R R� R� t hlist( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� k s c C sn | d j d d � } g | D] } t | | j � � ^ q } t | � } | j � t d | j � _ | g S( Ni s \$R� s mathtext.default( t replaceRf R- R} R0 R- Rc ( R? R R� R� R t symbolsR1 ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR q s ( c C s� | j � } | j | j | j f } | j j | � } | d k r� | j j | j t d d | j | j � } | j } | | j | <n t | | � S( Ns mathtext.defaultR� ( R- Rc R| R� R" R� RW Rg R� R- R� R� ( R? t percentageRi R� R< R^ ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt _make_space{ s " g333333�?s \ g�������?s \,g�������?s \;g�������?s \quadg������ @s \qquadg������ٿs \!s \/c C s' | j | d } | j | � } | g S( Ni ( R� R5 ( R? R R� R� R� RO ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR � s c C s | j t | d � � g S( Ni ( R5 R� ( R? R R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s c C s� | d } y t | | j � � } Wn' t k rL t | | d | � � n X| | j k r� t | j d � | | j d � g d t �g S| | j k r� t | | j d � g d t �g S| g S( Ni s Unknown symbol: %sg�������?R� ( Rf R- R4 R t _spaced_symbolsR} R5 R t _punctuation_symbols( R? R R� R� R R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR5 � s c C s$ | d } t | | d | � � d S( Ni s Unknown symbol: %s( R ( R? R R� R� R ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR � s R� t Ag �?s \circg �?g t AAc C s� | d } | j � } | j j | j | j | j � } | j j | d � \ } } } | d k rp t d � � n | j � } | d d k r� | d | _ n | j | d 9_ t | d | � } | j � } | d d k r� | d | _ n | j | d 9_ t | d | � } t | j | j � } t | g � } | j | d � t | g � } | j | d � t | t d | | � | g � S( Ni g s Error parsing symboli i t exactly( NNg ( R- Rg R� Rc R| R� R� R� RW R R� Rn Rf R[ R< R� R R� Rd ( R? R R� R� R� Ri R� t under_desct over_descR t over_statet overt under_statet underR< t over_centeredt under_centered( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s4 s \circumflexaccentt hats \combiningbrevet breves \combiningoverlinet bars \combininggraveaccentt graves \combiningacuteaccentt acutes \combiningdiaeresist ddots \combiningtildet tildes \combiningdotabovet dots \combiningrightarrowabovet vect "t `t 't ~t .R� s \rightarrowt overrightarrows \leftarrowt overleftarrows widehat widetilde widebarc C s� | j � } | j j | j | j | j � } t | d � d k rR t d � � n | d \ } } | | j k r� t d | | j | d t �} n t | j | | � } t | g � } | j | j d � t | t d | d � t | g � g � S( Ni i s Error parsing accents \R� R: g g @( R- Rg R� Rc R| R� R� R R� R� R< Rn R� R� R R� Rd R} ( R? R R� R� Ri R� R� R� t centered( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� � s c C sf | j � | j � } d | _ t g | d D] } t | | � ^ q- � } | j � | d | _ | S( NR� i ( R0 R- Rc R} Rf R/ t function_name( R? R R� R� Ri R R1 ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR s , c C sq | j � | j � } d | _ x7 | d D]+ } t | t � r* d | _ | j � q* q* W| j � t | d � S( NR� i ( R0 R- Rc R! Rf Rh R/ R} ( R? R R� R� Ri R ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR s c C s4 | j � t | � r0 | d d | j � _ n g S( Ni i ( R0 R� R- Rc ( R? R R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR s c C s t | d � } | g S( Ni ( R} ( R? R R� R� t grp( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR # s c C s | j � g S( N( R/ ( R? R R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� ( s c C s | d } | | j � _ g S( Ni ( R- Rc ( R? R R� R� R ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRc , s c C sQ t | t � r | j | j k St | t � rM t | d � rM | j | j k St S( NRT ( R! Rf R t _overunder_symbolsR} R� RT t _overunder_functionsR ( R? R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt is_overunder2 s c C s# t | t � r | j | j k St S( N( R! Rf R t _dropsub_symbolsR ( R? R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt is_dropsub9 s c C s t | t � r | j � St S( N( R! Rf Rl R ( R? R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyRl > s c C s d } d } d } d } g } xM | d D]A } t | t � r] | d k r] | t | � 7} q) | j | � q) W| } t | � d k r� t d � } nGt | � d k r� | s� | d S| d } nt | � d k r | \ } } t d � } | d k r| } q�| } n� t | � d k rI| \ } } } | d k r@| } q�| } n� t | � d k r�| \ } } } } } | | k r�| d k r�t d � � q�t d � � n | d k r�| } | } q�| } | } n t d � � | j � } | j j | j | j | j � } | j j | j | j | j � } | r�| d k rKt g � } n x9 t | � D]( } | j j | j | | d g � � qXWn | j | � r�g } d } | j } | d k r�| j � t | | j � } n | d k r| j � t | | j � } n | d k rLt | g � } | j | d � | j | t | d � g � n t | g � } | j | d � | j | � | d k r�t | g � } | j | d � | j t | d � | g � | j } n t | � } | | j | _ t | g � } | g S| j t | } | j | � r2| j t | } n t | } | d k r�| j � t | g � } t | t � } | j t! | d � d } t | | � } | | _ nF| j � t | t t" | � g � } t# | } t | | � } | j t! | � d } t | | � } | d k r$| | _ n� | j � t | g � } t | t | � } d | | | j | j | } | d k r�| | 7} | | 7} n | j$ | � r�t% | | | _ n t | t | | j | j | � | g � } | | _ t | | g � } | g S( Ni R� R� g i i i i s Double subscripts Double superscriptsO Subscript/superscript sequence is too long. Use braces { } to remove ambiguity.s \primeR: g @g @g @g @( R� R� (& RW R! R� R� R� Re R R- Rg R� Rc R| R� R� R} R7 Rq t extendR5 RX R< R^ R[ R� R R� R= R� R> Rp t SUBDROPRZ t SUB1t abst SCRIPT_SPACEt SUP1Rl t DELTA( R? 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R R� R� R� R� R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� r s ( s rmR8 g �?N( Ns \circg �?(> RR RS RT R� R t _binary_operatorst _relation_symbolst _arrow_symbolsR6 R7 RV RW RY R� R� R� R� R� R@ R) t objectR R- R/ R0 R R R� R R5 R� R R� R5 R RW R� R� R� R� R� R R R R R R R� Rc RX RZ Rl R Rx R R R R� R R Rp R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� s� � % � ' - t MathTextParserc B s� e Z d Z i e d 6e d 6e d 6e d 6e d 6e d 6e d 6e d 6Z i e d 6e d 6e d 6e d 6Z d � Z d d d � Z d d d � Z d d d d � Z d d d d � Z d d d � Z RS( t bitmapt aggR t pdft svgRM t cairot macosxt cmt stixt stixsanst customc C s" | j � | _ t d � | _ d S( sI Create a MathTextParser for the given backend *output*. i2 N( R� t _outputR t _cache( R? t output( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR@ � s iH c C sZ | d k r t � } n | | t | � f } | j j | � } | d k rO | S| j d k rw t d rw t | � } n_ | j | j � } t d } | j j | j � � } | d k r� | | | � } n t d � � | j � } | j d k rt � | j _ n | j j | | | | � } | j | j | j | j � | j | � } | | j | <| S( s� Parse the given math expression *s* at the given *dpi*. If *prop* is provided, it is a :class:`~matplotlib.font_manager.FontProperties` object specifying the "default" font to use in the math expression, used for all non-math text. The results are cached, so multiple calls to :meth:`parse` with the same expression should be fast. R s ps.useafms mathtext.fontsetsE mathtext.fontset must be either 'cm', 'stix', 'stixsans', or 'custom'N( RW R& t hashR� R� R� R- R< t _backend_mappingt _font_type_mappingR� R4 t get_size_in_pointst _parserR� R\ R) RD R< R= R> RP ( R? R R� R t cacheKeyRq Rg t backendt fontsett fontset_classR| RO ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR) � s. ix i c C sF t d | � } | j | d | d | �\ } } | j � } | | f S( s� *texstr* A valid mathtext string, eg r'IQ: $\sigma_i=15$' *dpi* The dots-per-inch to render the text *fontsize* The font size in points Returns a tuple (*array*, *depth*) - *array* is an NxM uint8 alpha ubyte mask array of rasterized tex. - depth is the offset of the baseline from the bottom of the image in pixels. RZ R� R ( R& R) t as_array( R? t texstrR� R| R t ftimageR> R� ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt to_mask� s ! t blackc C s | j | d | d | �\ } } t j j | � \ } } } t j | j d | j d d f d t j �} t d | � | d d � d d � d f <t d | � | d d � d d � d f <t d | � | d d � d d � d f <| | d d � d d � d f <| | f S( s� *texstr* A valid mathtext string, eg r'IQ: $\sigma_i=15$' *color* Any matplotlib color argument *dpi* The dots-per-inch to render the text *fontsize* The font size in points Returns a tuple (*array*, *depth*) - *array* is an NxM uint8 alpha ubyte mask array of rasterized tex. - depth is the offset of the baseline from the bottom of the image in pixels. R� R| i i i t dtypei� Ni i ( R� t mcolorst colorConvertert to_rgbt npt zerost shapet uint8Rg ( R? 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R� R� R� R� R| t rgbaR> t numrowst numcolst tmp( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt to_png s ' c C s4 t d | � } | j | d | d | �\ } } | S( s+ Returns the offset of the baseline from the bottom of the image in pixels. *texstr* A valid mathtext string, eg r'IQ: $\sigma_i=15$' *dpi* The dots-per-inch to render the text *fontsize* The font size in points RZ R� R ( R& R) ( R? R� R� R| R R� R> ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt get_depth s !N( RR RS RW R� Ru RU Rw R� R� R� R� R� R� R� R; R R� R@ R) R� R� R� R� ( ( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyR� } s* / c C s� d d l m } d d l m } | d k r8 t � } n t d � } | j | d d d | �\ } } } } } | j d | d | d f � } | j d | | | d | �| j | � | j | d | d | �| S( s� Given a math expression, renders it in a closely-clipped bounding box to an image file. *s* A math expression. The math portion should be enclosed in dollar signs. *filename_or_obj* A filepath or writable file-like object to write the image data to. *prop* If provided, a FontProperties() object describing the size and style of the text. *dpi* Override the output dpi, otherwise use the default associated with the output format. *format* The output format, eg. 'svg', 'pdf', 'ps' or 'png'. If not provided, will be deduced from the filename. i����( t figure( Rr RM R� iH R t figsizeg R@i t fontpropertiest formatN( t matplotlibR� Rs Rr RW R& R� R) t Figuret textt FigureCanvasAggt savefig( R t filename_or_objR R� R� R� Rr t parserR< R= R> R� t fig( ( s9 /usr/lib64/python2.7/site-packages/matplotlib/mathtext.pyt math_to_image3 s * (� RT t __future__R R RL t syst version_infot ioR t cStringIOR� R R� t NameErrort setsR R t warningsR t numpyR R R� t pyparsingR R R R R R R R R R R R R R R R R R R t enablePackratt matplotlib.afmR t matplotlib.cbookR R R R t matplotlib.ft2fontR R! 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