/usr/share/texlive/texmf-dist/tex/generic/lecturer/ltr-slides.tex is in texlive-generic-extra 2013.20140215-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 | % This file is part of the Lecturer package.
% Paul Isambert -- July 2010.
%
\countdef\slideno=0
\slideno=1
\def\advanceslideno{\global\advance\slideno1 }
\def\slidenumber{\the\slideno}
%
%
%
% ATTRIBUTES
%
\def\ltr@slide_restrictions{width height background foreground image transition bookmark everyslide anchor font scale
vsize vpos hpos top left right bottom parindent parskip hsize baselineskip topskip pdftitle bookmarklevel bookmarkstyle areas areas* }
\def\ltr@slide_deleteattributes{%
\passexpanded{\ltr@attribute_deletion{ltr@inner_slide}}\ltr@slide_restrictions
}
\passexpandednobraces{\restrictparameter slide ltr@inner_slide:}\ltr@slide_restrictions\par
\ltr@restrictattribute slide:vpos; top center bottom\par
\ltr@restrictattribute ltr@inner_slide:vpos; top center bottom\par
\ltr@restrictattribute slide:hpos; ff rr fr rf\par
\ltr@restrictattribute ltr@inner_slide:hpos; ff rr fr rf\par
\ltr@boolean_attr{slide:bookmark}
\ltr@boolean_attr{ltr@inner_slide:bookmark}
\ltr@boolean_attr{slide:scale}
\ltr@boolean_attr{ltr@inner_slide:scale}
\def\ltr@slide_parameter#1{%
\ltr@todim_loop{#1}{width height vsize hsize top left bottom right parindent baselineskip topskip }%
\ltr@delete_empty{#1:font}%
\ltr@delete_empty{#1:hsize}\ltr@delete_empty{#1:left}\ltr@delete_empty{#1:right}%
\ltr@delete_empty{#1:vsize}\ltr@delete_empty{#1:top}\ltr@delete_empty{#1:bottom}%
\ltr@dimen_set{#1}{right}{left}{hsize}{\ltr@usevalueor #1:width;\pdfpagewidth}%
\ltr@dimen_set{#1}{bottom}{top}{vsize}{\ltr@usevalueor #1:height;\pdfpageheight}%
\ltr@deleteattribute #1:right;%
\ltr@deleteattribute #1:bottom;%
}
\defactiveparameter slide {%
\ltr@slide_parameter{#1}%
}
% #1 parameter (e.g. slide)
% #2 ordering attribute (e.g. right (for slide))
% #3 first obeying attribute (e.g. left)
% #4 second obeying attribute (e.g. hsize)
% #5 reference (e.g. (page)width)
\def\ltr@dimen_set#1#2#3#4#5{%
\nometa\ltr@ifattribute #1:#2;
{\ltr@passvalue{\defcs{ltr@#1:inner_#2}}#1:#2;%
\nometa\ltr@ifattribute #1:#3;
{\ltr@setattribute #1:#4; = {\dimexpr(#5-\dimexpr(\usecs{ltr@#1:inner_#2}+\ltr@usevalue #1:#3;))\relax} }% SPACE
{\nometa\ltr@ifattribute #1:#4;
{\ltr@setattribute #1:#3; = {\dimexpr(#5-\dimexpr(\usecs{ltr@#1:inner_#2}+\ltr@usevalue #1:#4;))\relax} }% SPACE
{\ltr@passvalue{\ltr@setattribute #1:#3;=}#1:#2; % SPACE
\ltr@setattribute #1:#4; = {\dimexpr(#5-\dimexpr(\usecs{ltr@#1:inner_#2}+\ltr@usevalue #1:#3;))\relax} }}}% SPACE
{}%
}
% Defaults
\vsize=\maxdimen % So no unwanted output occurs
\setparameter slide:
vpos = center
background = white
foreground = black
bookmark = true
bookmarklevel = 1
scale = false
\setparameter ltr@inner_slide:
meta = slide
\long\def\setslide#1#2\par{%
\ltr@space_loop{\ltr@setslide_do{#2}}{#1 }%
}
\long\def\ltr@setslide_do#1#2{%
\ltr@ifattribute {ltr@#2@inner_slide}:meta;
{\setparameter{ltr@#2@inner_slide}:}
{\ltr@setslide_new{#2}}%
#1\par
}
\def\ltr@setslide_new#1{%
\defcs{#1}{%
\ltr@setattribute ltr@inner_slide:meta;={ltr@#1@inner_slide}
\slide}%
\letcs{end#1}\endslide
\ifnum\formatnumber=3 % ConTeXt
\letcstocs{start#1}{#1}%
\letcs{stop#1}\endslide
\fi
\passexpandednobraces{\restrictparameter ltr@#1@inner_slide:}\ltr@slide_restrictions\par
\ltr@restrictattribute ltr@#1@inner_slide:vpos; top center bottom\par
\ltr@boolean_attr{ltr@#1@inner_slide:bookmark}%
\defactiveparameter ltr@#1@inner_slide {%
\ltr@slide_parameter{##1}%
}%
\setparameter{ltr@#1@inner_slide}:
meta = slide
}
%
%
%
%
%
%
% The \slide command.
% Attributes (beside those in the slide parameter):
% pdftitle; and a value without a = sign is taken
% as the slide title and recorded in \slidetitle;
% it is also recorded as pdftitle if there is this
% entry is missing.
%
\def\slidetitle{}\def\ltr@slide_pdftitle{}
\def\ltr@ltr@inner_slide_usepair#1#2{% Used by option_launchloop.
\ltr@setattribute ltr@inner_slide:#1;={#2} %
}
\def\ltr@ltr@inner_slide_useatom#1{% Idem. (Literate programming, he said?)
\def\slidetitle{#1}%
}
\def\slide{%
\ifnextnospace[{\ltr@slide}{\ltr@slide[]}%
}
\ifnum\formatnumber=3
\let\startslide\slide
\fi
\def\ltr@slide[#1]{%
\def\slidetitle{}
\ltr@option_launchloop{ltr@inner_slide}{#1}%
\ltr@slide_parameter{ltr@inner_slide}%
\edef\ltr@slide_pdftitle{%
\ltr@usevalueor ltr@inner_slide:pdftitle;{\slidetitle}%
}%
\pdfdest name {ltr@linktopage_\the\slideno} fit
\ltr@ifvalue ltr@inner_slide:bookmark;= true
{\ltr@ifattribute ltr@inner_slide:anchor;
{\createbookmark[\ltr@usevalue ltr@inner_slide:bookmarkstyle;]{\ltr@usevalue ltr@inner_slide:bookmarklevel;}[\ltr@usevalue ltr@inner_slide:anchor;]{\ltr@slide_dotitle}}
{\createbookmark[\ltr@usevalue ltr@inner_slide:bookmarkstyle;]{\ltr@usevalue ltr@inner_slide:bookmarklevel;}{\ltr@slide_dotitle}}}
{\ltr@passvalue\anchor ltr@inner_slide:anchor;}
%
\ltr@usevalueor ltr@inner_slide:font;{\ltr@usevalue job:font;}%
% Set the page dimensions.
\baselineskip=\ltr@usevalueor ltr@inner_slide:baselineskip;{12pt}\relax
\topskip=\ltr@usevalueor ltr@inner_slide:topskip;{12pt}\relax
\parskip=\ltr@usevalueor ltr@inner_slide:parskip;{0pt}\relax
\pdfpagewidth=\ltr@usevalueor ltr@inner_slide:width;{15cm}\relax
\pdfpageheight=\ltr@usevalueor ltr@inner_slide:height;{12cm}\relax
\pdfhorigin=\ltr@usevalueor ltr@inner_slide:left;{2cm}\relax
\pdfvorigin=\ltr@usevalueor ltr@inner_slide:top;{1cm}\relax
\hsize=\ltr@usevalueor ltr@inner_slide:hsize;{\dimexpr(\pdfpagewidth-2\pdfhorigin)\relax}\relax
\parindent=\ltr@usevalueor ltr@inner_slide:parindent;{0pt}\relax
\leftskip=0pt \rightskip=0pt plus 1fill\relax
\ltr@ifcasevalue ltr@inner_slide:hpos;
\val ff \rightskip=0pt
\val rr \leftskip=0pt plus 1fill\relax
\val rf \leftskip=0pt plus 1fill\rightskip=0pt
\endval
\ltr@usevalue ltr@inner_slide:everyslide;%
}
\def\ltr@slide_dotitle{%
\ifemptycommand\ltr@slide_pdftitle{Page \the\slideno}{\ltr@slide_pdftitle}%
}
\def\endslide{%
\par
\ltr@step_clear
\ifdim\pagetotal=0pt
\hbox{\vrule width 0pt}% If the slide is empty, there might be material in areas.
\fi % Close the previous step, if any.
\addtopageresources{%
/Properties << \ltr@page_properties >>
/Shading << \ltr@page_shading >>
/ExtGState << \ltr@page_extgstate >>
}%
\addtopageobject{%
\iffcs{ltr@inner_transition:\ltr@usevalueor ltr@inner_slide:transition;{ltr@no_value}}
{/Trans \usecs{ltr@inner_transition:\ltr@usevalueor ltr@inner_slide:transition;{ltr@no_value}} 0 R}
\ltr@pageattr_global}%
% End up as /Order [ [(Page 1) 1 0 R 2 0 R...] [(Page 2)...]...] in the catalog.
\global\eaddright\ltr@order_OCGs{[(\ltr@slide_dotitle) \ltr@page_OCGs] }%
% Here we go.
\penalty\ltr@output_penalty
\ltr@page_clear
}
\ifnum\formatnumber=3 % ConTeXt
\let\stopslide\endslide
\fi
%
% Resource management.
% Should be usable by anybody. Returns the list of /<name> <number> 0 R pairs
% in /Page ... /Resources << /Properties ... >>.
% Using \pdfpageresources would ruin everything.
%
\def\ltr@catalog_OCGs{} \def\ltr@page_OCGs{} \def\ltr@order_OCGs{}
\def\ltr@visible_OCGs{} \def\ltr@page_visibleOCGs{} \def\ltr@page_invisibleOCGs{}
\edef\ltr@page_PA{}
\def\ltr@page_properties{} \def\ltr@page_steplist{}
\def\ltr@page_shading{} \def\ltr@page_extgstate{}
\def\ltr@pageattr_global{}
\def\addshading#1#2{%
\global\eaddright\ltr@page_shading{/#1 #2 0 R }%
}
\def\addgstate#1#2{%
\global\eaddright\ltr@page_extgstate{/#1 #2 0 R }%
}
\def\addproperties#1#2{%
\global\eaddright\ltr@page_properties{/#1 #2 0 R }%
}
\def\addtopageresources#1{%
\begingroup
\edef\ltr@temp{\global\pdfpageresources{\the\pdfpageresources\spacecs #1 }}%
\ltr@temp
\endgroup
}
\def\addOCG#1{%
\global\eaddright\ltr@catalog_OCGs{#1 0 R }%
\global\eaddright\ltr@page_OCGs{#1 0 R }%
\global\eaddright\ltr@page_invisibleOCGs{#1 0 R }%
}
\def\addvisibleOCG#1{%
\global\eaddright\ltr@catalog_OCGs{#1 0 R }%
\global\eaddright\ltr@visible_OCGs{#1 0 R }%
\global\eaddright\ltr@page_OCGs{#1 0 R }%
\global\eaddright\ltr@page_visibleOCGs{#1 0 R }%
}
\def\addtopageobject#1{%
\begingroup
\edef\ltr@temp{\global\pdfpageattr{#1\the\pdfpageattr}}%
\ltr@temp
\endgroup
}
\def\addtoeachpageobject#1{%
\global\eaddright\ltr@pageattr_global{#1}%
}
\def\ltr@page_clear{%
\gdef\ltr@page_OCGs{}%
\gdef\ltr@page_visbleOCGs{}%
\gdef\ltr@page_invisbleOCGs{}%
\gdef\ltr@page_PA{}%
\gdef\ltr@page_properties{}%
\gdef\ltr@page_steplist{}%
\global\pdfpageattr={}%
\global\def\ltr@step_current{}%
\global\ltr@steps_count=0
\global\ltr@activesteps_count=0
\ltr@setattribute ltr@inner_slide:meta; = slide
\ltr@slide_deleteattributes
}
\endinput
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