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author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/ppower4/mpmulti.sty |
Initial commit
Diffstat (limited to 'support/ppower4/mpmulti.sty')
-rw-r--r-- | support/ppower4/mpmulti.sty | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/support/ppower4/mpmulti.sty b/support/ppower4/mpmulti.sty new file mode 100644 index 0000000000..d8502e2111 --- /dev/null +++ b/support/ppower4/mpmulti.sty @@ -0,0 +1,132 @@ +%% mpmulti.sty 09 Sep 2002 +%%------------------------------------------------------------ +%% History: +%% Initial version 14 Apr 2000 +%% Introduced keyword parameters 12 Jun 2000 +%% Introduced new parameters (start,format), changed the +%% global code to take several file counting strings (eg +%% bla-*.mps, foo-*.jpg, etc.), added compatibility with +%% \graphicspath (Jean-Christophe Dubacq) 06 Dec 2001 +%% Generalized the format option, added the end +%% handling and documented extended features in here +%% 09 Sep 2002 +%% +%% Purpose: +%% include multiple metapost pictures and overlay them, +%% inserting a transition effect between them +%% +%% Synopsis: +%% +%% \multiinclude[pause=transitioncommand, +%% graphics={option for includegraphics}, +%% format=filenameformat, +%% start=number, +%% end=number]{basefilename} +%% +%% Include all metapost generated graphics found in +%% files with the basename "filename", which +%% have a number attached or in the extension. +%% Insert the transitioncommand between the files (defaults +%% to \pause). +%% Further options allow to specify additional specifications +%% for includegraphics, can change the number to start with +%% (default 0) or the number to end with (default 1000000). +%% By default the filenames are as created by mpost in the format +%% "filename.n", where "n" represents the number. +%% The option format with the values like "mps", "png" or "jpg" this +%% can be changed to "filename-n.format", e.g. "example-0.mps" +%% instead of "example.0". +%% Complaints are only written, if the first file is not found. +%% Otherwise including will silently stop. +%% +%% Requires: +%% pause.sty for definitions of transition commands. +%% The keyval package for options processing. +%% +%% +\RequirePackage{pause} +\RequirePackage{keyval} +%% +%% The command should process the optional arguments. +%% +\def\multiinclude{% + \@ifnextchar [\@mpmulti{\@mpmulti[]}} +%% +\newif\if@mpm@groptions\@mpm@groptionsfalse +%% We describe the keys and their default values +\define@key{mpm}{format}[\@mpm@defaultformat]{% + \global\def\@mpm@format##1{##1-\the\@mpm@count.#1}} +\define@key{mpm}{start}[0]{\global\def\@mpm@start{#1}\relax} +\define@key{mpm}{end}[1000000]{\global\def\@mpm@end{#1}\relax} +\define@key{mpm}{pause}[\pause]{\global\def\@mpm@pause{#1}\relax} +\define@key{mpm}{graphics}{\@mpm@groptionstrue + \global\def\@mpm@graphics{\string#1}} +\def\@mpm@defaultformat#1{#1.\the\@mpm@count} +\let\@mpm@format=\@mpm@defaultformat +%% +%% We need a local counter +%% +\newcount\@mpm@count +%% +%% Implement the basic functionality. +%% Try to include the first file unconditionally. +%% This will produce an error message, if no such file can be found. +%% Afterwards we are going to check for more files and stop, when we +%% do not find another file. As long as we find files, these are +%% overlapped to the previous parts. +%% +\def\@mpmulti[#1]#2{% + %% reset the options + \def\@mpm@pause{\pause}% + \global\def\@mpm@graphics{}% + \global\def\@mpm@start{0}% + \global\def\@mpm@end{1000000}% + %% get the arguments + \setkeys{mpm}{#1}% + %% Insert the first part of the figure + %% and make sure we look also in other places according to path. + \let\@mpm@oldinp@th\input@path\let\input@path\Ginput@path + \@mpm@count=\@mpm@start + \if@mpm@groptions + \edef\@mpm@do@include{\noexpand\includegraphics[\@mpm@graphics]{\@mpm@format{#2}}}% + \@mpm@do@include + \else + \includegraphics{\@mpm@format{#2}}% + \fi + \def\@mpmdoit{% Do it by conditional tail recursion. + %% Select the next filename and advance counter + \edef\@mpmfilename{\@mpm@format{#2}}% + %% If the file exists, + \IfFileExists{\@mpmfilename}{% + %% insert the user defined transition (or the default), + \@mpm@pause + %% then process the next part and set up to try again. + \llap{\if@mpm@groptions + \edef\@mpm@do@include{\noexpand + \includegraphics[\@mpm@graphics]{\@mpmfilename}}% + \@mpm@do@include + \else + \includegraphics{\@mpmfilename}% + \fi}% + \ifnum\@mpm@count<\@mpm@end\relax + \advance\@mpm@count by 1\relax + \let\@mpmnext\@mpmdoit + \else + \let\@mpmnext\relax + \fi + }{% + %% If no more files exist, set up to stop. + \let\@mpmnext\relax + }% + %% Whatever we had to do (without nesting all the IfFileExists) + \@mpmnext + }% + %% Finally we must start it once, if there is more than one file + %% supposed to be available. + \ifnum\@mpm@count<\@mpm@end\relax + \advance\@mpm@count by 1\relax % start counting + \@mpmdoit % and run the show + \fi + %% and reset the input path after all + \let\input@path\@mpm@oldinp@th +}% |