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authorKarl Berry <karl@freefriends.org>2018-05-09 22:20:11 +0000
committerKarl Berry <karl@freefriends.org>2018-05-09 22:20:11 +0000
commitb5c5ee528e09f238529376b45ac7d1adf8e7f0d6 (patch)
tree78691c3b0294994c62fe6fbc419d1a35f39fc20f /Master/texmf-dist/tex
parent6db951b77c177727445e190edae139fac46d6b1c (diff)
pdfoverlay (8may18)
git-svn-id: svn://tug.org/texlive/trunk@47657 c570f23f-e606-0410-a88d-b1316a301751
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-rw-r--r--Master/texmf-dist/tex/latex/pdfoverlay/pdfoverlay.sty241
1 files changed, 241 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/pdfoverlay/pdfoverlay.sty b/Master/texmf-dist/tex/latex/pdfoverlay/pdfoverlay.sty
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+%%
+%% This is file `pdfoverlay.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% pdfoverlay.dtx (with options: `package')
+%%
+%% This is a generated file.
+%%
+%% Copyright (c) 2018 David Purton <dcpurton@marshwiggle.net>
+%%
+%% This work may be distributed and/or modified under the conditions of
+%% the LaTeX Project2 Public License, either version 1.3c of this license
+%% or (at your option) any later version. The latest version of this
+%% license is in
+%% http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%%
+%% This work is "maintained" (as per the LPPL maintenance status)
+%% by David Purton.
+%%
+%% This work consists of the files pdfoverlay.ins, pdfoverlay.dtx, README.md,
+%% and the derived files pdfoverlay.sty and pdfoverlay.pdf
+%%
+\RequirePackage{xparse}
+\ProvidesExplPackage{pdfoverlay}{2018/05/08}{1.0}
+ {Overlay text on an existing PDF document (DCP)}
+\RequirePackage{everypage,pdfpages}
+\AddEverypageHook { \__pdfoverlay_output_pdf_page: }
+\AtEndDocument {
+ \bool_if:NT \g__pdfoverlay_action_pending_bool
+ {
+ \null
+ }
+}
+\msg_new:nnnn { pdfoverlay } { file-not-found }
+ { PDF~file~`#1'~not~found. }
+ { Unable~to~find~the~file~`#1'. \\
+ Check~that~the~file~exists~and~you~have~spelt~it~correctly. }
+\msg_new:nnnn { pdfoverlay } { file-not-set }
+ { PDF~file~not~set. }
+ { You~have~not~specified~a~PDF~file. \\
+ Set~a~PDF~file~using~\pdfoverlaySetPDF. }
+\msg_new:nnnn { pdfoverlay } { page-not-found }
+ { Page~not~found~in~PDF. }
+ { PDF~file~`#1'~does~not~contain~page~#2. \\
+ Specify~a~page~between~1~and~#3. }
+\msg_new:nnnn { pdfoverlay } { page-too-low }
+ { Requested~page~less~than~current~page~in~PDF. }
+ { You~have~requested~to~include~to~page~#1, \\
+ but~the~current~page~is~already~at~page~#2. \\
+ Specify~a~page~between~#2~and~#3. }
+\str_new:N \g__pdfoverlay_pdf_file_name_str
+\int_new:N \g__pdfoverlay_page_count_int
+\int_new:N \g__pdfoverlay_page_int
+\bool_new:N \g__pdfoverlay_output_active_bool
+\bool_new:N \g__pdfoverlay_action_pending_bool
+\clist_new:N \g__pdfoverlay_graphics_options_clist
+\clist_set:Nn \g__pdfoverlay_graphics_options_clist
+ {
+ keepaspectratio ,
+ width = \paperwidth ,
+ height = \paperheight ,
+ page = \int_use:N \g__pdfoverlay_page_int
+ }
+\cs_new:Nn \__pdfoverlay_output_pdf_page:
+ {
+ \bool_lazy_all:nT
+ {
+ { \bool_if_p:N \g__pdfoverlay_output_active_bool }
+ { \bool_not_p:n
+ { \str_if_empty_p:N \g__pdfoverlay_pdf_file_name_str } }
+ { \int_compare_p:n
+ { \c_zero <= \g__pdfoverlay_page_int
+ < \g__pdfoverlay_page_count_int } }
+ }
+ {
+ \AddToShipoutPictureBG*
+ {
+ \__pdfoverlay_format_pdf_page:
+ }
+ \int_gincr:N \g__pdfoverlay_page_int
+ \bool_gset_false:N \g__pdfoverlay_action_pending_bool
+ }
+ }
+\cs_new:Nn \__pdfoverlay_format_pdf_page:
+ {
+ \AtPageCenter
+ {
+ \makebox (0, 0)
+ {
+ \use:x
+ {
+ \exp_not:N \includegraphics
+ [ \clist_use:Nn \g__pdfoverlay_graphics_options_clist { , } ]
+ { \g__pdfoverlay_pdf_file_name_str }
+ }
+ }
+ }
+ }
+\prg_new_conditional:Npnn \__pdfoverlay_if_page_exists:n #1 { p, T, F, TF }
+ {
+ \str_if_empty:NTF \g__pdfoverlay_pdf_file_name_str
+ {
+ \msg_error:nn { pdfoverlay } { file-not-set }
+ \prg_return_false:
+ }
+ {
+ \int_compare:nTF
+ {
+ \c_one <= #1 <= \g__pdfoverlay_page_count_int
+ }
+ {
+ \prg_return_true:
+ }
+ {
+ \msg_error:nnxxx { pdfoverlay } { page-not-found }
+ { \str_use:N \g__pdfoverlay_pdf_file_name_str }
+ { \int_eval:n { #1 } }
+ { \int_use:N \g__pdfoverlay_page_count_int }
+ \prg_return_false:
+ }
+ }
+ }
+\cs_new:Npn \pdfoverlay_set_pdf:n #1
+ {
+ \file_if_exist:nTF { #1 }
+ {
+ \str_gset:Nn \g__pdfoverlay_pdf_file_name_str { #1 }
+ \edef \AM@currentdocname { #1 }
+ \AM@getpagecount
+ \int_gset_eq:NN \g__pdfoverlay_page_count_int \AM@pagecount
+ \int_gset_eq:NN \g__pdfoverlay_page_int \c_zero
+ \bool_gset_true:N \g__pdfoverlay_output_active_bool
+ \bool_gset_false:N \g__pdfoverlay_action_pending_bool
+ }
+ {
+ \msg_error:nnn { pdfoverlay } { file-not-found } { #1 }
+ }
+ }
+\cs_new:Nn \pdfoverlay_set_graphics_options:n
+ {
+ \clist_gset:Nn \g__pdfoverlay_graphics_options_clist { #1 }
+ \clist_gput_right:Nn \g__pdfoverlay_graphics_options_clist
+ {
+ page = \int_use:N \g__pdfoverlay_page_int
+ }
+ }
+\cs_new:Npn \pdfoverlay_include_to_page:n #1
+ {
+ \__pdfoverlay_if_page_exists:nT { #1 }
+ {
+ \int_compare:nTF
+ {
+ #1 >= \g__pdfoverlay_page_int + 1
+ }
+ {
+ \bool_lazy_all:nT
+ {
+ { \bool_if_p:n { \g__pdfoverlay_action_pending_bool } }
+ { \int_compare_p:n { \g__pdfoverlay_page_int <
+ \g__pdfoverlay_page_count_int - 1 } }
+ { \int_compare_p:n { #1 != \g__pdfoverlay_page_int + 1 } }
+ }
+ {
+ \null
+ \clearpage
+ }
+ \int_while_do:nNnn { \g__pdfoverlay_page_int } < { #1 - 1 }
+ {
+ \null
+ \clearpage
+ }
+ \bool_gset_true:N \g__pdfoverlay_action_pending_bool
+ }
+ {
+ \msg_error:nnxxx { pdfoverlay } { page-too-low }
+ { \int_eval:n { #1 } }
+ { \int_eval:n { \g__pdfoverlay_page_int + 1 } }
+ { \int_use:N \g__pdfoverlay_page_count_int }
+ }
+ }
+ }
+\cs_new:Nn \pdfoverlay_include_to_last_page:
+ {
+ \pdfoverlay_include_to_page:n { \g__pdfoverlay_page_count_int }
+ }
+\cs_new:Npn \pdfoverlay_skip_to_page:n #1
+ {
+ \__pdfoverlay_if_page_exists:nT { #1 }
+ {
+ \bool_if:nT { \g__pdfoverlay_action_pending_bool }
+ {
+ \null
+ \clearpage
+ }
+ \int_gset:Nn \g__pdfoverlay_page_int { #1 - 1 }
+ \bool_gset_true:N \g__pdfoverlay_action_pending_bool
+ }
+ }
+\cs_new:Nn \pdfoverlay_pause_output:
+ {
+ \bool_gset_false:N \g__pdfoverlay_output_active_bool
+ }
+\cs_new:Nn \pdfoverlay_resume_output:
+ {
+ \bool_gset_true:N \g__pdfoverlay_output_active_bool
+ }
+\NewDocumentCommand \pdfoverlaySetPDF { m }
+ {
+ \pdfoverlay_set_pdf:n { #1 }
+ }
+\NewDocumentCommand \pdfoverlaySetGraphicsOptions { m }
+ {
+ \pdfoverlay_set_graphics_options:n { #1 }
+ }
+\NewDocumentCommand \pdfoverlayIncludeToPage { m }
+ {
+ \pdfoverlay_include_to_page:n { #1 }
+ }
+\NewDocumentCommand \pdfoverlayIncludeToLastPage { }
+ {
+ \pdfoverlay_include_to_last_page:
+ }
+\NewDocumentCommand \pdfoverlaySkipToPage { m }
+ {
+ \pdfoverlay_skip_to_page:n { #1 }
+ }
+\NewDocumentCommand \pdfoverlayPauseOutput { }
+ {
+ \pdfoverlay_pause_output:
+ }
+\NewDocumentCommand \pdfoverlayResumeOutput { }
+ {
+ \pdfoverlay_resume_output:
+ }
+%%
+%%
+%% End of file `pdfoverlay.sty'.