adjustbox/tc-pdftex.def at main · MartinScharrer/adjustbox · GitHub

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%    \begin{macrocode}
%<!COPYRIGHT>
\ProvidesFile{tc-pdftex.def}[2025/02/26 v2.3 Clipping driver for pdftex]
%    \end{macrocode}
%
%    \begin{macrocode}
\@ifundefined{clip@pdfliteral}{\let\clip@pdfliteral\pdfliteral}{}
\@ifundefined{clip@pdfsave}{\let\clip@pdfsave\pdfsave}{}
\@ifundefined{clip@pdfrestore}{\let\clip@pdfrestore\pdfrestore}{}
%    \end{macrocode}
%
% \begin{macro}{\@cliptoboxdim}
% Clips to official box dimension.
%
% Uses now \Macro\pdfliteral because \Macro\pdfxform does not support
% transparencies and patterns with TikZ.
%    \begin{macrocode}
\def\@cliptoboxdim#1{%
    \setbox#1=\hbox{%
        \adjcalc@settobp\WIDTH{\wd#1}%
        \adjcalc@settobp\DEPTH{\dp#1}%
        \adjcalc@settobp\TOTALHEIGHT{\ht#1+\dp#1}%
        \clip@pdfsave
        \clip@pdfliteral direct {%
            0 -\DEPTH\space \WIDTH\space \TOTALHEIGHT\space re W n
        }%
        \hbox to 0pt{\copy#1\hss}%
        \clip@pdfrestore
        \hskip\wd#1
    }%
}
%    \end{macrocode}
% \end{macro}
%
%
% \begin{macro}{\@clip@bpdimens}[5]{<box register}{<upper left>}{<upper right>}{<lower left>}{<lower right>}
%    \begin{macrocode}
\def\@clip@bpdimens#1#2#3#4#5{%
    \adjcalc@settobp\TOTALHEIGHT{\ht#1+\dp#1}%
    \adjcalc@settobp\HEIGHT{\ht#1}%
    \adjcalc@settobp\DEPTH{-\dp#1}%
    \adjcalc@settobp\WIDTH{\wd#1}%
    \adjcalc@settobp\RADIUSTL{#2}%
    \adjcalc@settobp\RADIUSTR{#3}%
    \adjcalc@settobp\RADIUSBR{#5}%
    \adjcalc@settobp\RADIUSBL{#4}%
    \adjcalc@settobp\RADIUSTLb{\tc@bezfacn#2}%
    \adjcalc@settobp\HEIGHTmRADIUSTL{\ht#1-#2}%
    \adjcalc@settobp\HEIGHTmRADIUSTLb{\ht#1-\tc@bezfacn#2}%
    \adjcalc@settobp\HEIGHTmRADIUSTR{\ht#1-#3}%
    \adjcalc@settobp\HEIGHTmRADIUSTRb{\ht#1-\tc@bezfacn#3}%
    \adjcalc@settobp\WIDTHmRADIUSTR{\wd#1-#3}%
    \adjcalc@settobp\WIDTHmRADIUSTRb{\wd#1-\tc@bezfacn#3}%
    \adjcalc@settobp\RADIUSBRmDEPTH{#5-\dp#1}%
    \adjcalc@settobp\RADIUSBRmDEPTHb{\tc@bezfacn#5-\dp#1}%
    \adjcalc@settobp\WIDTHmRADIUSBR{\wd#1-#5}%
    \adjcalc@settobp\WIDTHmRADIUSBRb{\wd#1-\tc@bezfacn#5}%
    \adjcalc@settobp\RADIUSBLmDEPTH{#4-\dp#1}%
    \adjcalc@settobp\RADIUSBLmDEPTHb{\tc@bezfacn#4-\dp#1}%
    \adjcalc@settobp\RADIUSBLb{\tc@bezfacn#4}%
    \adjcalc@settobp\LINEWIDTH{\fboxrule}%
}
%    \end{macrocode}
% \end{macro}
%
%
% \begin{macro}{\@clip@roundedbox@pdfcode}
%    \begin{macrocode}
\def\@clip@roundedboxpath@pdfcode{%
    0 \HEIGHTmRADIUSTL m
    0 \HEIGHTmRADIUSTLb \RADIUSTLb \HEIGHT \RADIUSTL \HEIGHT c
    \WIDTHmRADIUSTR \HEIGHT l
    \WIDTHmRADIUSTRb \HEIGHT \WIDTH \HEIGHTmRADIUSTRb \WIDTH \HEIGHTmRADIUSTR c
    \WIDTH \RADIUSBRmDEPTH l
    \WIDTH \RADIUSBRmDEPTHb \WIDTHmRADIUSBRb \DEPTH \WIDTHmRADIUSBR \DEPTH c
    \RADIUSBL \DEPTH l
    \RADIUSBLb \DEPTH 0 \RADIUSBLmDEPTHb 0 \RADIUSBLmDEPTH c
    0 \RADIUSBLmDEPTH l
}
%    \end{macrocode}
% \end{macro}
%
%
%
% \begin{macro}{\@clipcornersofbox}[5]{<box register}{<upper left>}{<upper right>}{<lower left>}{<lower right>}
% Clips round corners off.
%    \begin{macrocode}
\def\@clipcornersofbox#1#2#3#4#5{%
    \setbox#1=\hbox{%
        \@clip@bpdimens{#1}{#2}{#3}{#4}{#5}%
        \clip@pdfsave
        \clip@pdfliteral direct {%
            \@clip@roundedboxpath@pdfcode
            h W n
        }%
        \hbox to 0pt{\copy#1\hss}%
        \clip@pdfrestore
        \hskip\wd#1%
    }%
}
%    \end{macrocode}
% \end{macro}
%
%
%
% \begin{macro}{\@rndframearoundbox}[6]{<box register}{<upper left>}{<upper right>}{<lower left>}{<lower right>}{<clip>}
% Round frame around a box.
%    \begin{macrocode}
\def\@rndframearoundbox#1#2#3#4#5#6{%
    \setbox#1=\hbox{%
        \adjsetlength\@tempdima{\fboxsep+.5\fboxrule}%
        \@marginbox#1\@tempdima\@tempdima\@tempdima\@tempdima%
        \@clip@bpdimens{#1}{#2}{#3}{#4}{#5}%
        \edef\@tempa{#6}%
        \ifx\@empty\@tempa\else
            \@clipcornersofbox{#1}{#2}{#3}{#4}{#5}%
        \fi
        %
        \hbox to 0pt{\copy#1\hss}%
        \clip@pdfsave
        \hbox to 0pt{%
            \color@setgroup
            \adjbox@rndframe@color
            \clip@pdfliteral direct {%
                \LINEWIDTH w
                \@clip@roundedboxpath@pdfcode
                h s
            }%
            \color@endgroup
        }%
        \clip@pdfrestore
        \hskip\wd#1%
    }%
    \adjsetlength\@tempdima{.5\fboxrule}%
    \@marginbox#1\@tempdima\@tempdima\@tempdima\@tempdima%
}
%    \end{macrocode}
% \end{macro}
%
%
%^^A vim: ft=tex