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Diffstat (limited to 'sphinx/texinputs/sphinxpackageboxes.sty')
| -rw-r--r-- | sphinx/texinputs/sphinxpackageboxes.sty | 479 |
1 files changed, 400 insertions, 79 deletions
diff --git a/sphinx/texinputs/sphinxpackageboxes.sty b/sphinx/texinputs/sphinxpackageboxes.sty index f07b9b64c..befddf6c1 100644 --- a/sphinx/texinputs/sphinxpackageboxes.sty +++ b/sphinx/texinputs/sphinxpackageboxes.sty @@ -2,21 +2,60 @@ % % change this info string if making any custom modification \ProvidesPackage{sphinxpackageboxes}[2022/07/04 v5.1.0 advanced colored boxes] +% Optionally executes \RequirePackage for: +% +% - pict2e. Ideally we would need a recent version of this package which +% allows dimensional arguments to its \moveto, \lineto, etc... but we add +% ourselves some wrappers equivalent to its v0.4a 2020/08/16 version. -% Currently, this file only provides a replacement to the \spx@verb@fcolorbox -% of sphinxlatexliterals.sty which will draw boxes with a frame having -% rounded corners, and a background color. +% Provides box registers \spx@tempboxa, \spx@tempboxb usable in other places +\newbox\spx@tempboxa +\newbox\spx@tempboxb + +% Internal dimens, conditionals, and color parameters involved +% in \spx@boxes@fcolorbox@setup which is to be set by callers +\newif\ifspx@boxes@withshadow +\newif\ifspx@boxes@insetshadow +\newif\ifspx@boxes@withbackgroundcolor +\newif\ifspx@boxes@withshadowcolor +\newif\ifspx@boxes@withbordercolor % -% It needs \sphinxverbatimsep, \sphinxverbatimborder and a new parameter -% \sphinxverbatimradius +\newdimen\spx@boxes@border +\newdimen\spx@boxes@border@top +\newdimen\spx@boxes@border@right +\newdimen\spx@boxes@border@bottom +\newdimen\spx@boxes@border@left % -% Executes \RequirePackage for: +\newdimen\spx@boxes@padding@top +\newdimen\spx@boxes@padding@right +\newdimen\spx@boxes@padding@bottom +\newdimen\spx@boxes@padding@left % -% - pict2e. Ideally we would need a recent version of this package which -% allows dimensional arguments to its \moveto, \lineto, etc... -% but we add ourselves some wrapper to facilitate the usage. +\newdimen\spx@boxes@shadow@xoffset +\newdimen\spx@boxes@shadow@yoffset +% +\newdimen\spx@boxes@radius@topleft % only circular arcs, x-radius same as y-radius +\newdimen\spx@boxes@radius@topright +\newdimen\spx@boxes@radius@bottomright +\newdimen\spx@boxes@radius@bottomleft +% +% These colours have to be defined in the "init" codes +% spx@boxes@bordercolor +% spx@boxes@backgroundcolor +% spx@boxes@shadowcolor +%%%%%%%%%%%%%%%% +% MACROS +% +% - \spx@boxes@fcolorbox (4 padding parameters, 4 border widths, 2 shadow widths, +% and three colors: background, border and shadow; same as in CSS styling) +% +% - \spx@boxes@fcolorbox@insetshadow (same as in CSS styling) +% +% - \spx@boxes@fcolorbox@rounded (used for code-blocks): rounded corners using +% the picture mode and pict2e package for access to PDF graphics +% This interface is WIP % MEMO: we have also successfully tested usage of tcolorbox's \tcbox but % decided to use pict2e.sty for the following reasons: % 1- an order of magnitude faster for what we want to do, @@ -26,91 +65,373 @@ % (and the additional coding as contributed here). % In this first installment, the caption and continuation hints of code-blocks -% are done exactly as formerly; only difference is in the rounded corrners. +% when using \spx@boxes@fcolorbox@rounded +% are done exactly as formerly; only difference is in the rounded corners. % The space occupied is same, if nothing else is changed. +\def\spx@RequirePackage@PictIIe{% \IfFileExists{pict2e.sty} {\RequirePackage{pict2e}} {\PackageWarningNoLine{sphinx}{% The package pict2e is required for rounded boxes.\MessageBreak It does not seem to be available on your system.\MessageBreak - The verbatimradius setting will thus be ignored}% + Options for setting radii will thus be ignored}% \AtEndDocument{\PackageWarningNoLine{sphinx}{% I issued a warning which may have gotten lost in the\MessageBreak gigantic console output: pict2e.sty was not found,\MessageBreak - and verbatimradius has been ignored}}\endinput} - -% First we define some wrapper to be able to use arguments being (only) -% dimensions or dimensional expressions. The \unitlength will always be 1pt. -\def\spx@moveto(#1,#2)% - {\moveto(\strip@pt\dimexpr#1,\strip@pt\dimexpr#2)} -\def\spx@lineto(#1,#2)% - {\lineto(\strip@pt\dimexpr#1,\strip@pt\dimexpr#2)} -% attention we use here [2] always; and there are two more mandatory -% arguments, angles, we don't need to worry about them here. -\def\spx@circlearc#1#2#3{\circlearc[2]% - {\strip@pt\dimexpr#1}{\strip@pt\dimexpr#2}{\strip@pt\dimexpr#3}% + and radii setting options have been ignored}}% + \def\spx@boxes@fcolorbox@rounded{\spx@boxes@fcolorbox}% + }% +}% + + +%//// \spx@boxes@fcolorbox +% This box will have the same baseline as its argument (which is typeset in +% horizontal mode). It takes into account four border widths parameters, four +% padding parameters, two shadow widths (each possibly negative), and three +% colors: background, border and shadow. Its boundary box takes into account +% all of shadow, border and padding. +% +% The customization of the various parameters are under responsability of +% caller. At some point of code development the parameters were set +% by expansion of an \spx@boxes@fcolorbox@setup macro inside +% \spx@boxes@fcolorbox. Now this is only a hook, because the initialization +% will be done by caller rather. +\let\spx@boxes@fcolorbox@setuphook\@empty +% The same applies to \spx@boxes@fcolorbox@rounded, also with (same name) +% \spx@boxes@fcolorbox@setup left to caller configuration. +% +% The parameters are interpreted as they would as CSS properties. +% For the shadow inset variant see separate \spx@boxes@fcolorbox@insetshadow +\long\def\spx@boxes@fcolorbox#1{% + \hbox\bgroup + \spx@boxes@fcolorbox@setuphook + \setbox\spx@tempboxa + \hbox{\kern\dimexpr\spx@boxes@border@left+\spx@boxes@padding@left\relax + {#1}% + \kern\dimexpr\spx@boxes@padding@right+\spx@boxes@border@right\relax}% + \ht\spx@tempboxa + \dimexpr\ht\spx@tempboxa+\spx@boxes@border@top+\spx@boxes@padding@top\relax + \dp\spx@tempboxa + \dimexpr\dp\spx@tempboxa+\spx@boxes@padding@bottom+\spx@boxes@border@bottom\relax + \ifspx@boxes@insetshadow + \expandafter\spx@boxes@fcolorbox@insetshadow + \else + \expandafter\spx@boxes@fcolorbox@externalshadow + \fi } -% TODO: add top right bottom left padding possibilities. -\long\def\spx@verb@fcolorbox #1#2#3{% - % Prepare a box with the contents and reserved space for framing. - \setbox\tw@\hbox{\kern\dimexpr\sphinxverbatimborder+\sphinxverbatimsep\relax - {#3}\kern\dimexpr\sphinxverbatimborder+\sphinxverbatimsep\relax}% - \ht\tw@ \dimexpr\ht\tw@+\sphinxverbatimsep+\sphinxverbatimborder\relax - \dp\tw@ \dimexpr\dp\tw@+\sphinxverbatimsep+\sphinxverbatimborder\relax +\def\spx@boxes@fcolorbox@externalshadow{% + % reserve space to shadow if on left + \ifspx@boxes@withshadow + \ifdim\spx@boxes@shadow@xoffset<\z@\kern-\spx@boxes@shadow@xoffset\fi + \fi + % BACKGROUND + % draw background and move back to reference point + \ifspx@boxes@withbackgroundcolor + {\color{spx@boxes@backgroundcolor}% + \vrule\@height\ht\spx@tempboxa + \@depth\dp\spx@tempboxa + \@width\wd\spx@tempboxa + \kern-\wd\spx@tempboxa + }% + \fi + % BOX SHADOW + % draw shadow and move back to reference point + \ifspx@boxes@withshadow \vbox{% -% Prepare a macro for path to be inserted in a picture environment for stroke -% and fill; the path will be redefined for each of fill or stroke. This macro -% does nothing yet. -\def\spx@dopath{% - \spx@moveto(\sphinxverbatimradius,\z@)% \z@ not 0 as our \spx@moveto is quite dumb - \spx@lineto(\wd\tw@-\sphinxverbatimborder-\sphinxverbatimradius,\z@)% - \spx@circlearc{\wd\tw@-\sphinxverbatimborder-\sphinxverbatimradius}% - {\sphinxverbatimradius}% - {\sphinxverbatimradius}{-90}{0}% - \spx@lineto(\wd\tw@-\sphinxverbatimborder,\ht\tw@+\dp\tw@-\sphinxverbatimborder-\sphinxverbatimradius)% - \spx@circlearc{\wd\tw@-\sphinxverbatimborder-\sphinxverbatimradius} - {\ht\tw@+\dp\tw@-\sphinxverbatimborder-\sphinxverbatimradius}% - {\sphinxverbatimradius}{0}{90}% - \spx@lineto(\sphinxverbatimradius,\ht\tw@+\dp\tw@-\sphinxverbatimborder)% - \spx@circlearc{\sphinxverbatimradius}% - {\ht\tw@+\dp\tw@-\sphinxverbatimborder-\sphinxverbatimradius}% - {\sphinxverbatimradius}{90}{180}% - \spx@lineto(\z@,\sphinxverbatimradius)% - \spx@circlearc{\sphinxverbatimradius}{\sphinxverbatimradius}{\sphinxverbatimradius}{180}{270}% -}% end of definition of \spx@dopath + \moveright\spx@boxes@shadow@xoffset + \hbox{\lower\spx@boxes@shadow@yoffset + \vbox{\ifspx@boxes@withshadowcolor\color{spx@boxes@shadowcolor}\fi + \ifdim\spx@boxes@shadow@yoffset<\z@ + \hrule\@height-\spx@boxes@shadow@yoffset + \kern\spx@boxes@shadow@yoffset + \fi + \setbox\spx@tempboxb\hb@xt@\wd\spx@tempboxa{% + \ifdim\spx@boxes@shadow@xoffset<\z@\vrule\@width-\spx@boxes@shadow@xoffset\fi + \hss + \ifdim\spx@boxes@shadow@xoffset>\z@\vrule\@width\spx@boxes@shadow@xoffset\fi + }% + \ht\spx@tempboxb\ht\spx@tempboxa + \dp\spx@tempboxb\dp\spx@tempboxa + \box\spx@tempboxb + \ifdim\spx@boxes@shadow@yoffset>\z@ + \kern-\spx@boxes@shadow@yoffset + \hrule\@height\spx@boxes@shadow@yoffset + \fi + \kern-\dp\spx@tempboxa + }% end of \vbox, attention it will have zero depth if yoffset>0 + \kern-\wd\spx@tempboxa + \ifdim\spx@boxes@shadow@xoffset>\z@ + \kern-\spx@boxes@shadow@xoffset + \fi + }% end of \hbox, attention its depth is only yoffset if yoffset>0 + }% end of \vbox + \fi % end of shadow drawing, and we are back to horizontal reference point + % BOX BORDER + \vbox{\ifspx@boxes@withbordercolor\color{spx@boxes@bordercolor}\fi + \hrule\@height\spx@boxes@border@top + \kern-\spx@boxes@border@top + \setbox\spx@tempboxb\hb@xt@\wd\spx@tempboxa + {\vrule\@width\spx@boxes@border@left + \hss\vrule\@width\spx@boxes@border@right + }% + \ht\spx@tempboxb\ht\spx@tempboxa + \dp\spx@tempboxb\dp\spx@tempboxa + \box\spx@tempboxb + \kern-\spx@boxes@border@bottom + \hrule\@height\spx@boxes@border@bottom + \kern-\dp\spx@tempboxa + }% attention this box has zero depth due to \hrule at bottom + % step back to horizontal reference point + \kern-\wd\spx@tempboxa + % end of border drawing + % CONTENTS + % adjust the total depth to include the bottom shadow + \ifspx@boxes@withshadow + \ifdim\spx@boxes@shadow@yoffset>\z@ + \dp\spx@tempboxa\dimexpr\dp\spx@tempboxa+\spx@boxes@shadow@yoffset\relax + \fi + \fi + \box\spx@tempboxa + % include lateral shadow in total width + \ifspx@boxes@withshadow + \ifdim\spx@boxes@shadow@xoffset>\z@\kern\spx@boxes@shadow@xoffset\fi + \fi + \egroup +} + +%//// \spx@boxes@fcolorbox@insetshadow +% The parameters are interpreted as in CSS styling. +\def\spx@boxes@fcolorbox@insetshadow{% + % BACKGROUND + % draw background and move back to reference point + \ifspx@boxes@withbackgroundcolor + {\color{spx@boxes@backgroundcolor}% + \vrule\@height\ht\spx@tempboxa + \@depth\dp\spx@tempboxa + \@width\wd\spx@tempboxa + \kern-\wd\spx@tempboxa + }% + \fi + % BOX SHADOW + % draw shadow and move back to reference point + \ifspx@boxes@withshadow + \hbox{\vbox{\ifspx@boxes@withshadowcolor\color{spx@boxes@shadowcolor}\fi +% NOTA BENE +% We deliberately draw shadow partially under an area later covered by frame +% with the idea to avoid anti-aliasing problems but in fact this may be a bad +% idea with border is thin +% Would need some testing and possibly refactoring + \ifdim\spx@boxes@shadow@yoffset>\z@ + \hrule\@height\dimexpr\spx@boxes@border@top+\spx@boxes@shadow@yoffset\relax + \kern-\spx@boxes@shadow@yoffset + \kern-\spx@boxes@border@top + \fi + \setbox\spx@tempboxb\hb@xt@\wd\spx@tempboxa{% + \ifdim\spx@boxes@shadow@xoffset>\z@ + \vrule\@width\dimexpr\spx@boxes@border@left+\spx@boxes@shadow@xoffset\relax\fi + \hss + \ifdim\spx@boxes@shadow@xoffset<\z@ + \vrule\@width\dimexpr-\spx@boxes@shadow@xoffset+\spx@boxes@border@right\relax\fi + }% + \ht\spx@tempboxb\ht\spx@tempboxa + \dp\spx@tempboxb\dp\spx@tempboxa + \box\spx@tempboxb + \ifdim\spx@boxes@shadow@yoffset<\z@ + \kern\spx@boxes@shadow@yoffset + \kern-\spx@boxes@border@bottom + \hrule\@height\dimexpr-\spx@boxes@shadow@yoffset+\spx@boxes@border@bottom\relax + \fi + \kern-\dp\spx@tempboxa + }% end of \vbox, attention it will have zero depth if yoffset<0 + \kern-\wd\spx@tempboxa + }% end of \hbox, attention its depth is only |yoffset| if yoffset<0 + \fi % end of inset shadow drawing, and we are back to horizontal reference point + % BOX BORDER + \vbox{\ifspx@boxes@withbordercolor\color{spx@boxes@bordercolor}\fi + \hrule\@height\spx@boxes@border@top + \kern-\spx@boxes@border@top + \setbox\spx@tempboxb\hb@xt@\wd\spx@tempboxa + {\vrule\@width\spx@boxes@border@left + \hss\vrule\@width\spx@boxes@border@right + }% + \ht\spx@tempboxb\ht\spx@tempboxa + \dp\spx@tempboxb\dp\spx@tempboxa + \box\spx@tempboxb + \kern-\spx@boxes@border@bottom + \hrule\@height\spx@boxes@border@bottom + \kern-\dp\spx@tempboxa + }% attention this box has zero depth due to \hrule at bottom + % step back to horizontal reference point + \kern-\wd\spx@tempboxa + % end of border drawing + % CONTENTS + \box\spx@tempboxa + \egroup +} + + +%%%%%%%% +% \spx@boxes@fcolorbox@rounded % - #1% continuation hint attached above frame - % there will be a small "\lineskip" space here from TeX - % draw frame border _latest_ to avoid pdf viewer issue - % be careful not to cause "color push + contents + color pop" -% MEMO: when pict2e doth a path stroke, the path is in the middle of the line -% width, i.e. the line extends by half its width to the exterior of the filled -% path. This explains some 0.5 things below. - \hbox{\setlength{\unitlength}{1pt}% attention to space token here -% work around for "old" LaTeX (we could use the "picture" package, this -% would add another dependency) - \begin{picture}% - (\strip@pt\wd\tw@,\strip@pt\dimexpr\ht\tw@+\dp\tw@)% - (\strip@pt\dimexpr-.5\sphinxverbatimborder,\strip@pt\dimexpr-.5\sphinxverbatimborder)% - \color{VerbatimColor}% color for background - \spx@dopath\fillpath - \color{VerbatimBorderColor}% color for border -\ifspx@opt@verbatimwithframe % even with \sphinxverbatimborder set to 0pt, the - % stroke will produce a visible contour, so we - % must explicitly exclude doing it. - \linethickness{\sphinxverbatimborder}% - \spx@dopath\strokepath +% Various radii but only one border-width parameter. +% Shadow too. + +% wrappers for pict2e usage if old +% Better not to copy over 2020 pict2e definitions in case +% something internal changes +% However our wrappers will work ONLY with dimensional inputs +% (and not 0, only \z@...) +% No need to pre-expand the arguments +% Braces in case the expression uses parentheses +\def\spx@moveto(#1,#2){\moveto({\strip@pt\dimexpr#1\relax},{\strip@pt\dimexpr#2\relax})} +\def\spx@lineto(#1,#2){\lineto({\strip@pt\dimexpr#1\relax},{\strip@pt\dimexpr#2\relax})} +% attention here the [N] becomes mandatory +\def\spx@circlearc[#1]#2#3#4%#5#6 + {\circlearc[#1]{\strip@pt\dimexpr#2\relax}% + {\strip@pt\dimexpr#3\relax}% + {\strip@pt\dimexpr#4\relax}} + +% This macro will when executed in a picture environment prepare a path which +% is both used for filling backround color and stroking border +% The coordinate origin in the LaTeX picture environment will be at half the +% border width (d/2, d/2), d = constant border width +\def\spx@boxes@borderpath{% + \spx@moveto(\spx@boxes@radius@bottomleft,\z@)% \z@ not 0 as our \spx@moveto is quite dumb + \spx@lineto(\wd\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@bottomright,\z@)% + \spx@circlearc[2]{\wd\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@bottomright}% + {\spx@boxes@radius@bottomright}% + {\spx@boxes@radius@bottomright}{-90}{0}% + \spx@lineto(\wd\spx@tempboxa-\spx@boxes@border,% + \ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@topright)% + \spx@circlearc[2]{\wd\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@topright} + {\ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@topright}% + {\spx@boxes@radius@topright}{0}{90}% + \spx@lineto(\spx@boxes@radius@topleft,\ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border)% + \spx@circlearc[2]{\spx@boxes@radius@topleft}% + {\ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@topleft}% + {\spx@boxes@radius@topleft}{90}{180}% + \spx@lineto(\z@,\spx@boxes@radius@bottomleft)% + \spx@circlearc[2]{\spx@boxes@radius@bottomleft}% + {\spx@boxes@radius@bottomleft}% + {\spx@boxes@radius@bottomleft}{180}{270}% +}% end of definition of \spx@boxes@borderpath +\def\spx@boxes@borderpath@opentop{% + \spx@moveto(\z@,\ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border)% + \spx@lineto(\z@,\spx@boxes@radius@bottomleft)% + \spx@circlearc[2]{\spx@boxes@radius@bottomleft}% + {\spx@boxes@radius@bottomleft}% + {\spx@boxes@radius@bottomleft}{180}{270}% + \spx@lineto(\wd\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@bottomright,\z@)% + \spx@circlearc[2]{\wd\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@bottomright}% + {\spx@boxes@radius@bottomright}% + {\spx@boxes@radius@bottomright}{-90}{0}% + \spx@lineto(\wd\spx@tempboxa-\spx@boxes@border,% + \ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border)% +}% end of definition of \spx@boxes@borderpath@opentop +\def\spx@boxes@borderpath@openbottom{% + \spx@moveto(\wd\spx@tempboxa-\spx@boxes@border,\z@)% + \spx@lineto(\wd\spx@tempboxa-\spx@boxes@border,% + \ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@topright)% + \spx@circlearc[2]{\wd\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@topright} + {\ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@topright}% + {\spx@boxes@radius@topright}{0}{90}% + \spx@lineto(\spx@boxes@radius@topleft,\ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border)% + \spx@circlearc[2]{\spx@boxes@radius@topleft}% + {\ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border-\spx@boxes@radius@topleft}% + {\spx@boxes@radius@topleft}{90}{180}% + \spx@lineto(\z@,\z@)% +}% end of definition of \spx@boxes@borderpath@openbottom +\def\spx@boxes@borderpath@openboth{% + \spx@moveto(\wd\spx@tempboxa-\spx@boxes@border,\z@)% + \spx@lineto(\wd\spx@tempboxa-\spx@boxes@border,% + \ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border)% + \spx@moveto(\z@,\ht\spx@tempboxa+\dp\spx@tempboxa-\spx@boxes@border)% + \spx@lineto(\z@,\z@)% +}% end of definition of \spx@boxes@borderpath@openboth + +\long\def\spx@boxes@fcolorbox@rounded #1{% + \hbox{% + \spx@boxes@fcolorbox@setuphook + % reserve space to shadow if on left + \ifspx@boxes@withshadow + \ifdim\spx@boxes@shadow@xoffset<\z@\kern-\spx@boxes@shadow@xoffset\fi + \fi + \vbox{% + % adjust vertical bbox + \ifspx@boxes@withshadow + \ifdim\spx@boxes@shadow@yoffset<\z@ + \kern-\spx@boxes@shadow@yoffset + \fi + \fi + \setlength{\unitlength}{1pt}% + \setbox\spx@tempboxa + \hbox{\kern\dimexpr\spx@boxes@border+\spx@boxes@padding@left\relax + {#1}% + \kern\dimexpr\spx@boxes@padding@right+\spx@boxes@border\relax}% + \ht\spx@tempboxa + \dimexpr\ht\spx@tempboxa+\spx@boxes@border+\spx@boxes@padding@top\relax + \dp\spx@tempboxa + \dimexpr\dp\spx@tempboxa+\spx@boxes@padding@bottom+\spx@boxes@border\relax + \hbox{% + \begin{picture}% + % \strip@pt\dimexpr fot work around "old" LaTeX picture limitation + % (we could use the "picture" package, this would add another dependency) + (\strip@pt\wd\spx@tempboxa,\strip@pt\dimexpr\ht\spx@tempboxa+\dp\spx@tempboxa)% + (\strip@pt\dimexpr-.5\spx@boxes@border,\strip@pt\dimexpr-.5\spx@boxes@border)% +\ifspx@boxes@withshadow + \color{spx@boxes@shadowcolor}% + \put(\dimexpr\ifdim\spx@boxes@shadow@xoffset<\z@-\fi + 0.5\spx@boxes@border+\spx@boxes@shadow@xoffset,% + \dimexpr\ifdim\spx@boxes@shadow@yoffset<\z@\else-\fi + 0.5\spx@boxes@border-\spx@boxes@shadow@yoffset) + {\spx@boxes@borderpath\fillpath}% + {\ifspx@boxes@withbackgroundcolor\else + \color{white}% or rather try to use page color? + \spx@boxes@borderpath\fillpath + \fi}% \fi - \end{picture}}% - % now the contents - \kern-\dimexpr\ht\tw@+\dp\tw@\relax - \copy\tw@ % attention that #2 will need \wd\tw@ - \nointerlineskip - % TODO: add some \lineskip glue here, this is all in a \vbox so can't split - #2% continuation hint attached below frame - }% end of \vbox +{\ifspx@boxes@withbackgroundcolor + \color{spx@boxes@backgroundcolor}% + \spx@boxes@borderpath\fillpath +\fi}% +\ifdim\spx@boxes@border>\z@ +% even with \spx@boxes@border set to 0pt as done if verbatimwithframe=false +% stroke will produce a visible contour, so we exclude doing it in that case + \ifspx@boxes@withbordercolor + \color{spx@boxes@bordercolor}% + \fi + \linethickness{\spx@boxes@border}% + \ifdim\spx@boxes@border@top=\z@ + \ifdim\spx@boxes@border@bottom=\z@ + \spx@boxes@borderpath@openboth + \else \spx@boxes@borderpath@opentop + \fi + \else + \ifdim\spx@boxes@border@bottom=\z@ + \spx@boxes@borderpath@openbottom + \else\spx@boxes@borderpath\strokepath + \fi\fi + \strokepath +\fi + \end{picture}}% end of picture \hbox in \vbox + % back-up vertically for outputting the contents + \kern-\dimexpr\ht\spx@tempboxa+\dp\spx@tempboxa\relax + % adjust vertical bbox + \ifspx@boxes@withshadow + \ifdim\spx@boxes@shadow@yoffset>\z@ + \dp\spx@tempboxa\dimexpr\dp\spx@tempboxa+\spx@boxes@shadow@yoffset\relax + \fi + \fi + \box\spx@tempboxa + }% end of \vbox + % include lateral shadow in total width + \ifspx@boxes@withshadow + \ifdim\spx@boxes@shadow@xoffset>\z@\kern\spx@boxes@shadow@xoffset\fi + \fi + }% end of \hbox }% + \endinput |