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Reworked \bindingoffset to affect all cells now this has the same semantics as in \geometry{..}; added \gutteroffset to allow to offset non-bleed cells relative to the gutter.

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2023-04-09 18:12:54 +03:00
parent cebf722ac6
commit a5a8515410
2 changed files with 56 additions and 38 deletions
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3
examples/demo.tex
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@ -5,7 +5,8 @@
% page size...
blockwidth=240mm, blockheight=220mm,
bleed=4mm,
bindingoffset=5mm,
gutteroffset=5mm,
bindingoffset=0mm,
% image block configuration...
imageblockwidth=0.98, imageblockheight=0.98,
imageblockoffsettop=0,

91
photobook.cls
View File

@ -34,10 +34,10 @@
%
%
%
% XXX ASAP \bindingoffset should also affect fill/bleed images...
% XXX ASAP \bindingoffset should also affect fill/bleed images... (DONE)
% ...shift the macros that optionally account for \bindingoffset to
% account for \gutteroffset
% ...everything should respect \bindingoffset
% account for \gutteroffset (DONE)
% ...everything should respect \bindingoffset (DONE)
% XXX ASAP add \gutteroffset and \gutterimageoffset to offset content
% from the gutter
% \gutterimageoffset is an additional offset added to bleed images...
@ -100,8 +100,8 @@
%%% NOTE: \def\<module-name>@[A-Z]+ macros will be visible to both the
%%% code and the generated docs...
\edef\photobook@FILEVERSION{v0.1.15}
\edef\photobook@FILEDATE{2023-03-18}
\edef\photobook@FILEVERSION{v0.1.17}
\edef\photobook@FILEDATE{2023-04-09}
%% \documentclass{ltxdoc}
@ -248,8 +248,7 @@
%% \DescribeMacro{blockwidth=<len>}
%% \DescribeMacro{blockheight=<len>}
%% \DescribeMacro{bindingoffset=<len>}
% XXX
%%% \DescribeMacro{gutteroffset=<len>}
%% \DescribeMacro{gutteroffset=<len>}
%%% \DescribeMacro{gutterimageoffset=<len>}
%% \DescribeMacro{bleed=<len>}
%
@ -258,32 +257,36 @@
%% \begin{minipage}{\textwidth}
%% \begin{verbatim}
%%
%% <---> bleed <---> bleed
%%
%% + - - - - - - - - - - - - - - - - - - - - - + - + ^
%% . . . | bleed
%% . +---------------------------------------+----- v . . ---
%% . | ^ . = .
%% . | . . . . . . | . . = . ^
%% . |<-- blockwidth ----------------------->= . |
%% . | . | . . = . |
%% . | | . = . textheight
%% . | . Page | . . = . |
%% . | blockheight . = . |
%% . | . | . . = . |
%% . | | <---> bindingoffset |
%% . | . . . . . . | . . = . v
%% . | v . = .
%% . +---------------------------------------+----- ^ . . ---
%% . . . . | bleed
%% + - - - - - - - - - - - - - - - - - - - - - + - + v
%% . .
%% | <-- textwidth --------------> . |
%% ^ gutter
%% <---> bleed <---> bleed
%%
%% + - - - - - - - - - - - - - - - - - - - - - - + - + ^
%% . . . | bleed
%% . +-----------------------------------------+----- v . . ---
%% . | ^ . . = .
%% . | . . . . . . | . . . = . ^
%% . |<-- blockwidth ------------------------->= . |
%% . | . | . . . = . |
%% . | | . . = . textheight
%% . | . Page | . . . = . |
%% . | blockheight . . = . |
%% . | . | . . <--> bindingoffset |
%% . | | . . = . |
%% . | . . . . . . | . <--> gutteroffset v
%% . | v . . = .
%% . +-----------------------------------------+----- ^ . . ---
%% . . . . | bleed
%% + - - - - - - - - - - - - - - - - - - - - - - + - + v
%% . .
%% | <-- textwidth --------------> . |
%% ^ gutter
%%
%% \end{verbatim}
%% \end{minipage}
%%
%% Note that all macros respect |\bindingoffset| but only some macros
%% account for |\gutteroffset|, namely macros that do not display content
%% with bleeds.
%%
% NOTE: if blockwidth/blockheight are set they will force recalculations
% and overriding of the paperwidth/paperheight if they were changed
% by the user code anywhere between \documentclass[..]{photobook}
@ -811,14 +814,20 @@
%
%% Binding offset
%%
%% Used to offset content to account glue-up/roughing of pages for certain
%% types of binds like perfect binds.
%%
\newlength\bindingoffset
\setlength\bindingoffset{\photobook@bindingoffset}
%%% \DescribeMacro{\gutteroffset=<len>}
%% \DescribeMacro{\gutteroffset=<len>}
%%% \DescribeMacro{\gutterimageoffset=<len>}
%
%%% Gutter offsets
%%%
%% Gutter offsets
%%
%% Mainly used to offset content without bleeds away from or into the
%% gutter.
%%
\newlength\gutteroffset
\setlength\gutteroffset{\photobook@gutteroffset}
\newlength\gutterimageoffset
@ -2959,22 +2968,30 @@
%% \end{verbatim}
%% \end{minipage}
%%
%% The star version accounts for |\bindingoffset|.
%% The star version accounts for |\gutteroffset|.
%%
%% Note that |layoutmode|'s other than block will change the paper size
%% but will not affect this either in size (block size) or in position
%% (top-left).
%%
%\newenvironment{pagecell}{%
% \begin{cell*}{\bleed,\bleed}{\pageblockwidth}{\pageblockheight}%
%}{%
% \end{cell*}}
\newenvironment{pagecell}{%
\begin{cell*}{\bleed,\bleed}{\pageblockwidth}{\pageblockheight}%
\begin{cell*}{%
\bleed + \ifnumodd{\thepage}{\bindingoffset}{0pt},%
\bleed}%
{\pageblockwidth - \bindingoffset}%
{\pageblockheight}%
}{%
\end{cell*}}
\newenvironment{pagecell*}{%
\begin{cell*}{%
\bleed + \ifnumodd{\thepage}{\bindingoffset}{0pt},%
\bleed + \ifnumodd{\thepage}{\bindingoffset + \gutteroffset}{0pt},%
\bleed}%
{\pageblockwidth - \bindingoffset}%
{\pageblockwidth - \bindingoffset - \gutteroffset}%
{\pageblockheight}%
}{%
\end{cell*}}
@ -3804,7 +3821,7 @@
% create the actual cell...
\setlength\cellparentwidth{\cellwidth}%
\setlength\cellparentheight{\cellheight}%
\setlength\cellwidth{#1\pageblockwidth}%
\setlength\cellwidth{#1\pageblockwidth - #1\bindingoffset}%
\setlength\cellheight{\pageblockheight}%
%
\savecell{photobook@spreadtopages}{\cellwidth}{\cellheight}{\BODY}%