logicpuzzle (21apr13)

git-svn-id: svn://tug.org/texlive/trunk@30087 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 362 insertions, 19 deletions

diff --git a/Master/texmf-dist/tex/latex/logicpuzzle/laserbeam.sty b/Master/texmf-dist/tex/latex/logicpuzzle/laserbeam.sty
new file mode 100644
index 00000000000..9053cabca72
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/logicpuzzle/laserbeam.sty
@@ -0,0 +1,89 @@
+%%
+%% Copyright (C) 2013 by:
+%% Josef Kleber
+%% <josef.kleber@gmx.de>
+%%
+%% This file may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3 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 1.3 or later is part of all distributions of LaTeX version
+%% 2003/12/01 or later.
+%%
+%% This work has the LPPL maintenance status "author-maintained".
+%%
+%% The Current Maintainer of this work is Josef Kleber.
+%%
+%% This work consists of all files listed in manifest.txt.
+%%
+%
+\ProvidesPackage{laserbeam}[2013/04/20 laserbeam.sty v1.0 - Josef Kleber (C) 2013]%
+%
+\RequirePackage{logicpuzzle}%
+%
+\newcommand*\LP@LB@init@prefix{LP@LB}%
+\newcommand*\LP@LB@init@package{laserbeam}%
+%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{rows}{5}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{columns}{5}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{scale}{1}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{counterstyle}{none}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{bgcolor}{}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{width}{6.5cm}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{cvoffset}{-38pt}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{title}{}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{titleindent}{0cm}%
+\LP@define@key{\LP@LB@init@prefix}{\LP@LB@init@package}{titlewidth}{6.5cm}%
+\LP@define@choicekey@fontsize{\LP@LB@init@prefix}{\LP@LB@init@package}{Large}%
+%
+\ExecuteOptionsX{rows,columns,width,fontsize,scale,bgcolor,cvoffset,counterstyle,title,titleindent,titlewidth}%
+%
+\ProcessOptionsX\relax%
+%
+\LP@init@counter{\LP@LB@init@prefix}%
+%
+\let\laserH\LP@toprow%
+\let\laserV\LP@leftcolumn%
+\let\mirrorH\LP@bottomrow@edge%
+\let\mirrorV\LP@rightcolumn@edge%
+%
+\newcommand*\laser[2][red]%
+{%
+  % avoid little laser peaks outside grid
+  \clip (1,1) rectangle (\arabic{LP@LB@columns},\arabic{LP@LB@rows});
+  \framearea{#1}{#2}%
+}%
+%
+\newcommand*\laserbeamsetup[1]%
+{%
+  \setkeys{laserbeam.sty}{#1}%
+}%
+%
+\newenvironment{laserbeam}[1][]%
+{%
+  \setkeys{laserbeam}{#1}%
+  \LP@set@package{laserbeam}%
+  \LP@set@env@prefix{LP@LB}%
+  \setcounter{LP@LB@rows}{\LP@LB@rows}%
+  \setcounter{LP@LB@columns}{\LP@LB@columns}%
+  \stepcounter{LP@LB@rows}%
+  \stepcounter{LP@LB@columns}%
+  \begin{minipage}[t]{\LP@LB@width}%
+    \ifthenelse{\equal{\LP@LB@title}{}}%
+    {\par\enspace\par}% empty
+    {\enspace\par\noindent\hspace{\LP@LB@titleindent}\parbox{\LP@LB@titlewidth}{\strut\LP@titleformat\LP@LB@title}\vspace{3mm}\par}%
+    \begin{tikzpicture}[scale=\LP@LB@scale]%
+      \LP@drawbackground{1}{1}{\LP@LB@columns}{\LP@LB@rows}{\LP@LB@bgcolor}%
+      \LP@drawgrid{1}{1}{\LP@LB@columns}{\LP@LB@rows}{1cm}%
+}%
+{%
+    \end{tikzpicture}%
+    \LP@drawcounter{\LP@LB@counterstyle}%
+    \stepcounter{LP@puzzlecounter}%
+  \end{minipage}%
+}%
+%
+\endinput%
\ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/logicpuzzle/logicpuzzle.sty b/Master/texmf-dist/tex/latex/logicpuzzle/logicpuzzle.sty
index 3dcb1fa9c1e..f431d57fd15 100644
--- a/Master/texmf-dist/tex/latex/logicpuzzle/logicpuzzle.sty
+++ b/Master/texmf-dist/tex/latex/logicpuzzle/logicpuzzle.sty
@@ -19,7 +19,7 @@
 %%
 %% This work consists of all files listed in manifest.txt.
 %%
-\ProvidesPackage{logicpuzzle}[2013/04/12 logicpuzzle.sty v1.8 - Josef Kleber (C) 2013]%
+\ProvidesPackage{logicpuzzle}[2013/04/20 logicpuzzle.sty v1.9 - Josef Kleber (C) 2013]%
 %
 \RequirePackage{xkeyval}%
 \RequirePackage{ifthen}%
@@ -27,7 +27,7 @@
 \RequirePackage{etoolbox}%
 \RequirePackage{marginnote}%
 \RequirePackage{tikz}%
-\usetikzlibrary{decorations.pathmorphing}%
+\usetikzlibrary{decorations.pathmorphing,calc}%
 \pgfdeclarelayer{LPdump}%
 \pgfdeclarelayer{LPbgcolor}%
 \pgfdeclarelayer{LPbackgroundtwo}%
@@ -60,6 +60,10 @@
 \gdef\LP@fontsize\Large%
 \gdef\LP@cvoffset{0pt}%
 %
+\def\LP@normallines{0.5pt}%
+\def\LP@thicklines{1.5pt}%
+\def\LP@grid@linestyle{}%
+%
 \newcommand*\LP@Pfive{.5}%
 %
 % init
@@ -166,6 +170,9 @@
 \LP@definecolor{LP@c@vii}{.53,.808,.98}%
 \LP@definecolor{LP@c@viii}{.196,.804,.196}%
 \LP@definecolor{LP@c@ix}{1,.96,.932}%
+\LP@definecolor{LP@c@griddots}{.25,.51,.33}%
+\LP@definecolor{LP@c@cross}{.25,.51,.33}%
+\LP@definecolor{LP@c@mirror}{.8,.8,.8}%
 %
 % drawing grids
 %
@@ -180,19 +187,33 @@
   \setcounter{LP@countii}{#4}% max row
   \stepcounter{LP@counti}%
   \stepcounter{LP@countii}%
-  \draw[step=#5] (#1,#2) grid (\value{LP@counti},\value{LP@countii});%
+  \draw[step=#5,line width=\LP@normallines,\LP@grid@linestyle] (#1,#2) grid (\value{LP@counti},\value{LP@countii});%
 }%
 %
+\newcommand*\LP@drawgriddots%
+{%
+  \LP@set@LP@scale{\LP@env@prefix}%
+  \pgfmathsetmacro{\START}{1}%
+  % dots are drawn immediatly after the grid,
+  % so we can recycle LP@counti and LP@countii
+  \pgfmathsetmacro{\ENDC}{\arabic{LP@counti}}%
+  \pgfmathsetmacro{\ENDR}{\arabic{LP@countii}}%
+  \begin{pgfonlayer}{LPforeground}%
+  \foreach \i in {\START,...,\ENDC}%
+    \foreach \j in {\START,...,\ENDR}%
+      \fill[color=LP@c@griddots] (\i,\j) circle [radius=3pt];%
+  \end{pgfonlayer}%
+}%
 \newcommand*\LP@drawsudokugrid%
 {%
-  \draw[ultra thick] (1,1) -- (1,10);%
-  \draw[ultra thick] (4,1) -- (4,10);%
-  \draw[ultra thick] (7,1) -- (7,10);%
-  \draw[ultra thick] (10,1) -- (10,10);%
-  \draw[ultra thick] (1,1) -- (10,1);%
-  \draw[ultra thick] (1,4) -- (10,4);%
-  \draw[ultra thick] (1,7) -- (10,7);%
-  \draw[ultra thick] (1,10) -- (10,10);%
+  \draw[line width=\LP@thicklines] (1,1) -- (1,10);%
+  \draw[line width=\LP@thicklines] (4,1) -- (4,10);%
+  \draw[line width=\LP@thicklines] (7,1) -- (7,10);%
+  \draw[line width=\LP@thicklines] (10,1) -- (10,10);%
+  \draw[line width=\LP@thicklines] (1,1) -- (10,1);%
+  \draw[line width=\LP@thicklines] (1,4) -- (10,4);%
+  \draw[line width=\LP@thicklines] (1,7) -- (10,7);%
+  \draw[line width=\LP@thicklines] (1,10) -- (10,10);%
 }%
 %
 % drawing grid background
@@ -212,7 +233,7 @@
     \stepcounter{LP@counti}%
     \stepcounter{LP@countii}%
     \begin{pgfonlayer}{LPbgcolor}%
-      \draw[fill=#5] (#1,#2) rectangle (\value{LP@counti},\value{LP@countii});%
+      \fill[color=#5] (#1,#2) rectangle (\value{LP@counti},\value{LP@countii});%
     \end{pgfonlayer}{LPbgcolor}%
   }%
 }%
@@ -271,6 +292,24 @@
   \node at (#1\LP@Pfive,#2\LP@Pfive){#3};%
 }%
 %
+% #1 column
+% #2 row
+% #3 content
+\newcommand*\LP@setcellcontentC[3]%
+{%
+  \node at (#1,#2){#3};%
+}%
+%
+\newcommand*\LP@setcellcontentVE[3]%
+{%
+  \node at (#1,#2\LP@Pfive){#3};%
+}%
+%
+\newcommand*\LP@setcellcontentHE[3]%
+{%
+  \node at (#1\LP@Pfive,#2){#3};%
+}%
+%
 % #1 csv list
 % #2 column
 % #3 row
@@ -292,6 +331,24 @@
   \stepcounter{LP@counti}%
 }%
 %
+\newcommand*\LP@setrowcontents@edge[3]%
+{%
+  \setcounter{LP@counti}{#2}%
+  \setcounter{LP@countii}{#3}%
+  \forcsvlist\LP@setrowcontents@edge@i{#1}{\LP@env@prefix}%
+}%
+%
+\newcommand*\LP@setrowcontents@edge@i[1]%
+{%
+  \LP@setrowcontents@edge@ii{#1}{\LP@env@prefix}%
+}%
+%
+\newcommand*\LP@setrowcontents@edge@ii[2]%
+{%
+  \LP@setcellcontentVE{\arabic{LP@counti}}{\arabic{LP@countii}}{\csname #2@fontsize\endcsname#1}%
+  \stepcounter{LP@counti}%
+}%
+%
 \newcommand*\setrow[2]%
 {%
   \LP@setrowcontents{#2}{1}{#1}%
@@ -318,6 +375,24 @@
   \stepcounter{LP@countii}%
 }%
 %
+\newcommand*\LP@setcolumncontents@edge[3]%
+{%
+  \setcounter{LP@counti}{#2}%
+  \setcounter{LP@countii}{#3}%
+  \forcsvlist\LP@setcolumncontents@edge@i{#1}%
+}%
+%
+\newcommand*\LP@setcolumncontents@edge@i[1]%
+{%
+  \LP@setcolumncontents@edge@ii{#1}{\LP@env@prefix}%
+}%
+%
+\newcommand*\LP@setcolumncontents@edge@ii[2]%
+{%
+  \LP@setcellcontentHE{\arabic{LP@counti}}{\arabic{LP@countii}}{\csname #2@fontsize\endcsname#1}%
+  \stepcounter{LP@countii}%
+}%
+%
 \newcommand*\setcolumn[2]%
 {%
   \LP@setcolumncontents{#2}{#1}{1}%
@@ -333,6 +408,24 @@
   \LP@setcellcontent{#1}{#2}{\LP@fontsize#3}%
 }%
 %
+\newcommand*\setbigcell[4][Huge]%
+{%
+  \LP@set@LP@scale{\LP@env@prefix}%
+  \LP@set@LP@bgcolor{\LP@env@prefix}%
+  \ifthenelse{\equal{\LP@bgcolor}{}}%
+  {\gdef\LP@sbc@bgcolor{white}}%
+  {\gdef\LP@sbc@bgcolor{\LP@bgcolor}}%
+  \setcounter{LP@counti}{#2}%
+  \setcounter{LP@countii}{#3}%
+  \stepcounter{LP@counti}%
+  \stepcounter{LP@countii}%
+  \draw[line width=\LP@normallines,fill=\LP@sbc@bgcolor,\LP@grid@linestyle] (#2,#3) rectangle ++(2,2);%
+  \begin{pgfonlayer}{LPforegroundtwo}%
+    \fill[color=\LP@sbc@bgcolor] (\arabic{LP@counti},\arabic{LP@countii}) circle [radius=3.5pt*\LP@scale];%
+    \node at (\arabic{LP@counti},\arabic{LP@countii}){\csname#1\endcsname#4};%
+  \end{pgfonlayer}%
+}%
+%
 \newcommand*\setcolorrow[2]%
 {%
   \setcounter{LP@counti}{1}%
@@ -431,12 +524,12 @@
 %
 \newcommand*\framearea[2]%
 {%
-  \draw[ultra thick,color=#1] #2;%
+  \draw[line width=\LP@thicklines,color=#1] #2;%
 }%
 %
 \newcommand*\fillarea[2]%
 {%
-  \draw[ultra thick,fill=#1] #2 ;%
+  \draw[line width=\LP@thicklines,fill=#1] #2 ;%
 }%
 %
 \newcommand*\colorarea[2]%
@@ -516,12 +609,26 @@
   \setcounter{LP@countii}{\LP@rows}%
   \stepcounter{LP@counti}%
   \stepcounter{LP@countii}%
-  \draw[ultra thick,color=#1] (1,1)--(1,\arabic{LP@countii});%
-  \draw[ultra thick,color=#1] (1,\arabic{LP@countii})--(\arabic{LP@countii},\arabic{LP@countii});%
-  \draw[ultra thick,color=#1] (\arabic{LP@countii},\arabic{LP@countii})--(\arabic{LP@countii},1);%
-  \draw[ultra thick,color=#1] (\arabic{LP@countii},1)--(1,1);%
+  \draw[line width=\LP@thicklines,color=#1] (1,1)--(1,\arabic{LP@countii});%
+  \draw[line width=\LP@thicklines,color=#1] (1,\arabic{LP@countii})--(\arabic{LP@countii},\arabic{LP@countii});%
+  \draw[line width=\LP@thicklines,color=#1] (\arabic{LP@countii},\arabic{LP@countii})--(\arabic{LP@countii},1);%
+  \draw[line width=\LP@thicklines,color=#1] (\arabic{LP@countii},1)--(1,1);%
+}%
+%
+\newcommand*\placecross[2]%
+{%
+  \LP@setcellcontentC{#1}{#2}{\LP@Cross}%
 }%
 %
+\newcommand*\placemirror[3]%
+{%
+  \LP@setcellcontentC{#1}{#2}{\LP@Mirror{#3}}%
+}%
+%
+\newcommand*\placearrow[3]%
+{%
+  \LP@setcellcontentC{#1}{#2}{\LP@Arrow{#3}}%
+}%
 \newenvironment{puzzlebackground}%
 {%
   \begin{pgfonlayer}{LPbackground}%
@@ -545,6 +652,11 @@
   \LP@setrowcontents{#1}{1}{0}%
 }%
 %
+\newcommand*\LP@bottomrow@edge[1]%
+{%
+  \LP@setrowcontents@edge{#1}{1}{0}%
+}%
+%
 \newcommand*\LP@leftcolumn[1]%
 {%
   \LP@setcolumncontents{#1}{0}{1}%
@@ -570,6 +682,16 @@
   \LP@setcolumncontents{#1}{\csname the#2@columns\endcsname}{1}%
 }%
 %
+\newcommand*\LP@rightcolumn@edge[1]%
+{%
+  \LP@rightcolumn@edge@i{#1}{\LP@env@prefix}%
+}%
+%
+\newcommand*\LP@rightcolumn@edge@i[2]%
+{%
+  \LP@setcolumncontents@edge{#1}{\csname the#2@columns\endcsname}{1}%
+}%
+%
 % Presentation
 %
 \newcommand*\titleformat[1]%
@@ -601,7 +723,42 @@
 \definecounterstyle{left}{\begingroup\reversemarginpar\marginnote{\tikz\node[shape=rectangle,fill=yellow!40,inner sep=7pt,draw,rounded corners=3pt,thick]{\Huge\puzzlecounter};}[\LP@cvoffset]\endgroup}%
 \definecounterstyle{right}{\marginnote{\tikz\node[shape=rectangle,fill=yellow!40,inner sep=7pt,draw,rounded corners=3pt,thick]{\Huge\puzzlecounter};}[\LP@cvoffset]}%
 %
-\newcommand*\LP@Block{\tikz[scale=\LP@scale]\draw[fill=\LP@color] (0,0) rectangle (1,1);}%
+\newcommand*\LP@Block{\tikz[scale=\LP@scale]\draw[line width=\LP@normallines,fill=\LP@color] (0,0) rectangle (1,1);}%
+%
+\newcommand*\LP@Arrow[1]%
+{%
+  \LP@set@LP@scale{\LP@env@prefix}%
+  \def\LP@rotate{45}%
+  \ifthenelse{\equal{#1}{LeftUp}}{\def\LP@rotate{135}}{}%
+  \ifthenelse{\equal{#1}{LeftDown}}{\def\LP@rotate{225}}{}%
+  \ifthenelse{\equal{#1}{RightDown}}{\def\LP@rotate{315}}{}%
+  \pgfmathsetmacro{\LPlinewidth}{3pt*\LP@scale}%
+  \tikz\draw[->,line width=\LPlinewidth,rotate=\LP@rotate,scale=\LP@scale] (0.1,.5) -- (0.9,.5);%
+}%
+%
+\newcommand*\LP@Cross%
+{%
+  \LP@set@LP@scale{\LP@env@prefix}%
+  \begin{tikzpicture}
+    \begin{pgfonlayer}{LPforeground}
+      \pgfmathsetmacro{\LPlinewidth}{3pt*\LP@scale}%
+      \draw[line width=\LPlinewidth,scale=\LP@scale,color=LP@c@cross] (.35,.35) -- (0.65,.65) -- (.5,.5) -- (.65,.35)-- (.35,.65);%
+    \end{pgfonlayer}
+  \end{tikzpicture}
+}%
+%
+\newcommand*\LP@Mirror[1]%
+{%
+  \def\LP@rotate{0}%
+  \ifthenelse{\equal{#1}{V}}{\def\LP@rotate{90}}{}%
+  \LP@set@LP@scale{\LP@env@prefix}%
+  \begin{tikzpicture}%
+    \begin{pgfonlayer}{LPforegroundtwo}%
+      \pgfmathsetmacro{\LPlinewidth}{3pt*\LP@scale}%
+      \draw[line width=\LPlinewidth,scale=\LP@scale,color=LP@c@mirror,rotate=\LP@rotate] (.35,.5) -- (0.65,.5);%
+    \end{pgfonlayer}%
+  \end{tikzpicture}%
+}%
 %
 % get package options with prefix
 %
@@ -651,6 +808,21 @@
   \gdef\LP@package{#1}%
 }%
 %
+\newcommand*\setgridlinestyle[1]%
+{%
+  \def\LP@grid@linestyle{#1}%
+}%
+%
+\newcommand*\setnormallinewidth[1]%
+{%
+  \def\LP@normallines{#1}%
+}%
+%
+\newcommand*\setthicklinewidth[1]%
+{%
+  \def\LP@thicklines{#1}%
+}%
+%
 % generic logicpuzzle environment and options
 %
 \newcommand*\LP@LP@init@prefix{LP@LP}%
diff --git a/Master/texmf-dist/tex/latex/logicpuzzle/slitherlink.sty b/Master/texmf-dist/tex/latex/logicpuzzle/slitherlink.sty
new file mode 100644
index 00000000000..bceeb2c85af
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/logicpuzzle/slitherlink.sty
@@ -0,0 +1,82 @@
+%%
+%% Copyright (C) 2013 by:
+%% Josef Kleber
+%% <josef.kleber@gmx.de>
+%%
+%% This file may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3 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 1.3 or later is part of all distributions of LaTeX version
+%% 2003/12/01 or later.
+%%
+%% This work has the LPPL maintenance status "author-maintained".
+%%
+%% The Current Maintainer of this work is Josef Kleber.
+%%
+%% This work consists of all files listed in manifest.txt.
+%%
+%
+\ProvidesPackage{slitherlink}[2013/04/20 slitherlink.sty v1.0 - Josef Kleber (C) 2013]%
+%
+\RequirePackage{logicpuzzle}%
+%
+\newcommand*\LP@SK@init@prefix{LP@SK}%
+\newcommand*\LP@SK@init@package{slitherlink}%
+%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{rows}{5}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{columns}{5}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{scale}{1}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{counterstyle}{none}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{bgcolor}{}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{width}{5.2cm}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{cvoffset}{-23pt}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{title}{}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{titleindent}{0cm}%
+\LP@define@key{\LP@SK@init@prefix}{\LP@SK@init@package}{titlewidth}{5.2cm}%
+\LP@define@choicekey@fontsize{\LP@SK@init@prefix}{\LP@SK@init@package}{Large}%
+%
+\ExecuteOptionsX{rows,columns,width,fontsize,scale,bgcolor,cvoffset,counterstyle,title,titleindent,titlewidth}%
+%
+\ProcessOptionsX\relax%
+%
+\LP@init@counter{\LP@SK@init@prefix}%
+%
+\let\slitherlinkcell\setcell%
+%
+\newcommand*\slitherlinksetup[1]%
+{%
+  \setkeys{slitherlink.sty}{#1}%
+}%
+%
+\newenvironment{slitherlink}[1][]%
+{%
+  \setkeys{slitherlink}{#1}%
+  \LP@set@package{slitherlink}%
+  \LP@set@env@prefix{LP@SK}%
+  \ifthenelse{\equal{\LP@grid@linestyle}{}}%
+    {\setgridlinestyle{dashed}}{}%
+  \setcounter{LP@SK@rows}{\LP@SK@rows}%
+  \setcounter{LP@SK@columns}{\LP@SK@columns}%
+  \stepcounter{LP@SK@rows}%
+  \stepcounter{LP@SK@columns}%
+  \begin{minipage}[t]{\LP@SK@width}%
+    \ifthenelse{\equal{\LP@SK@title}{}}%
+    {\par\enspace\par}% empty
+    {\enspace\par\noindent\hspace{\LP@SK@titleindent}\parbox{\LP@SK@titlewidth}{\strut\LP@titleformat\LP@SK@title}\vspace{3mm}\par}%
+    \begin{tikzpicture}[scale=\LP@SK@scale]%
+      \LP@drawbackground{1}{1}{\LP@SK@columns}{\LP@SK@rows}{\LP@SK@bgcolor}%
+      \LP@drawgrid{1}{1}{\LP@SK@columns}{\LP@SK@rows}{1cm}%
+      \LP@drawgriddots%
+}%
+{%
+    \end{tikzpicture}%
+    \LP@drawcounter{\LP@SK@counterstyle}%
+    \stepcounter{LP@puzzlecounter}%
+  \end{minipage}%
+}%
+%
+\endinput%
\ No newline at end of file