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%% Copyright (C) 2014 Christian Dietrich <stettberger@dokucode.de>
%% -------------------------------------------------------
%%
%% This package may be distributed and/or modified under the conditions
%% of the LaTeX Project 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 2008/05/04 or later.
%
% This library can be used to draw graphics through IO ports
%
\newcount\avr@draw@x
\newcount\avr@draw@y
\newcount\avr@draw@maxx
\newcount\avr@draw@maxy
\def\avr@draw@init{%
\avr@draw@maxx = 0%
\avr@draw@maxy = 0%
}
% TWAR
\newcount\avr@draw@argc
\csdef{avr@io@000010@set}#1{%
\avr@bin@tocount{#1}{\avr@accA}%
\avr@log{DRAW CMD: \the\avr@accA}%
\avr@draw@command{\the\avr@accA}%
\avr@draw@argc = 0\relax%
}
\csdef{avr@io@000011@set}#1{%
\avr@bin@tocount{#1}{\avr@accA}%
\avr@debug{AVR DRAW PUSH: \the\avr@accA}%
\csxdef{avr@draw@stack@\the\avr@draw@argc}{\the\avr@accA}%
\advance\avr@draw@argc by 1\relax%
}
\def\avr@draw@stack#1{\csuse{avr@draw@stack@#1}}
\def\avr@draw@command#1{%
\ifcsdef{avr@draw@command@#1}{%
\csuse{avr@draw@command@#1}%
}{%
\avr@error{AVR DRAW: Unkown Command #1}%
}%
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Draw Commands
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csdef{avr@draw@command@0}{} % NOP
% Set Color
\def\avr@draw@color{0,0,0}
\csdef{avr@draw@command@1}{%
\ifnum \avr@draw@argc < 3%
\avr@debug{DRAW: Set Draw COLOR, Not enough arguments}%
\fi%
\xdef\avr@draw@color{\avr@draw@stack{0},\avr@draw@stack{1},\avr@draw@stack{2}}%
}
% Small Rectangle
\csdef{avr@draw@command@2}{%
\ifnum \avr@draw@argc < 2%
\avr@debug{DRAW: Dot, Not enough arguments (2 required)}%
\fi%
\edef\@@X{\avr@draw@stack{0}}%
\edef\@@Y{\avr@draw@stack{1}}%
\ifnum \@@X > \avr@draw@maxx%
\avr@draw@maxx=\@@X%
\fi%
\ifnum \@@Y > \avr@draw@maxy%
\avr@draw@maxy=\@@Y%
\fi%
\csxdef{avr@draw@\@@X @\@@Y}{\avr@draw@color}%
}
\newcommand{\avrdrawiter}[1]{%
\avr@draw@x=0%
\def\avr@iter@yloop{%
\avr@draw@x=0%
\ifnum \avr@draw@y > \avr@draw@maxy%
\let\avr@iter@yloop=\relax%
\else%
\let\avr@iter@xloop@rec=\avr@iter@xloop%
\avr@iter@xloop\relax%
\advance \avr@draw@y by 1\relax%
\fi%
\avr@iter@yloop%
}%
\def\avr@iter@xloop{%
\ifnum \avr@draw@x > \avr@draw@maxx%
\let\avr@iter@xloop@rec=\relax%
\else%
\ifcsdef{avr@draw@\the\avr@draw@x @\the\avr@draw@y}{%
#1 {\the\avr@draw@x}{\the\avr@draw@y}{\csuse{avr@draw@\the\avr@draw@x @\the\avr@draw@y}}%
}{% Dot not defined
}%
\advance \avr@draw@x by 1\relax%
\fi%
\avr@iter@xloop@rec%
}%
\avr@iter@yloop%
}
\newcommand{\avrdrawSize}[2]{%
\avr@count@tmpa=\avr@draw@maxx%
\advance \avr@count@tmpa by 1\relax%
\edef#1{\the\avr@count@tmpa}%
\avr@count@tmpa=\avr@draw@maxy%
\advance \avr@count@tmpa by 1\relax%
\edef#2{\the\avr@count@tmpa}%
}
\newwrite\avr@file%
\newcommand{\avrdrawppm}[1]{%
% Dump to .ppm file
\immediate\openout\avr@file=#1%
\immediate\write\avr@file{P3}%
\avrdrawSize{\x}{\y}%
\immediate\write\avr@file{\x \space \y \space 255}%
\def\removecomma##1,##2,##3,{##1 ##2 ##3}%
\newcommand{\avr@draw@ppm}[3]{%
\edef\@tempa{##3}%
\edef\@tempa{\expandafter \removecomma \@tempa,}%
\expandafter\immediate\expandafter\write\expandafter\avr@file\expandafter{\@tempa}%
}%
\avrdrawiter{\avr@draw@ppm}%
\immediate\closeout\avr@file%
}
%%% Local Variables:
%%% mode: latex
%%% TeX-master: "avr.tex"
%%% End:
|
