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.IX Title "Games::Go::Sgf2Dg::Dg2ASCII 3pm"
.TH Games::Go::Sgf2Dg::Dg2ASCII 3pm "2019-10-27" "perl v5.30.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Games::Go::Sgf2Dg::Dg2ASCII \- convert Games::Go::Sgf2Dg::Diagrams to ASCII diagrams
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
use Games::Go::Sgf2Dg::Dg2ASCII
.PP
.Vb 2
\& my $dg2ascii = B<Games::Go::Sgf2Dg::Dg2ASCII\-E<gt>new> (options);
\& my $ascii = $dg2ascii\->convertDiagram($diagram);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
A Games::Go::Sgf2Dg::Dg2ASCII object converts a Games::Go::Sgf2Dg::Diagram object
into \s-1ASCII\s0 diagrams.
.SH "NEW"
.IX Header "NEW"
.ie n .IP "my $dg2ascii = \fBGames::Go::Sgf2Dg::Dg2ASCII\->new\fR (?options?)" 4
.el .IP "my \f(CW$dg2ascii\fR = \fBGames::Go::Sgf2Dg::Dg2ASCII\->new\fR (?options?)" 4
.IX Item "my $dg2ascii = Games::Go::Sgf2Dg::Dg2ASCII->new (?options?)"
.PP
A \fBnew\fR Games::Go::Sgf2Dg::Dg2ASCII takes the following options:
.IP "\fBboardSizeX\fR => number" 8
.IX Item "boardSizeX => number"
.PD 0
.IP "\fBboardSizeY\fR => number" 8
.IX Item "boardSizeY => number"
.PD
Sets the size of the board.
.Sp
Default: 19
.IP "\fBdoubleDigits\fR => true | false" 8
.IX Item "doubleDigits => true | false"
Numbers on stones are wrapped back to 1 after they reach 100.
Numbers associated with comments and diagram titles are not
affected.
.Sp
Default: false
.IP "\fBcoords\fR => true | false" 8
.IX Item "coords => true | false"
Generates a coordinate grid.
.Sp
Default: false
.IP "\fBtopLine\fR     => number (Default: 1)" 8
.IX Item "topLine => number (Default: 1)"
.PD 0
.IP "\fBbottomLine\fR  => number (Default: 19)" 8
.IX Item "bottomLine => number (Default: 19)"
.IP "\fBleftLine\fR    => number (Default: 1)" 8
.IX Item "leftLine => number (Default: 1)"
.IP "\fBrightLine\fR   => number (Default: 19)" 8
.IX Item "rightLine => number (Default: 19)"
.PD
The edges of the board that should be displayed.  Any portion of the
board that extends beyond these numbers is not included in the
output.
.ie n .IP "\fBdiaCoords\fR => sub { # convert $x, $y to Games::Go::Sgf2Dg::Diagram coordinates }" 8
.el .IP "\fBdiaCoords\fR => sub { # convert \f(CW$x\fR, \f(CW$y\fR to Games::Go::Sgf2Dg::Diagram coordinates }" 8
.IX Item "diaCoords => sub { # convert $x, $y to Games::Go::Sgf2Dg::Diagram coordinates }"
This callback defines a subroutine to convert coordinates from \f(CW$x\fR,
\&\f(CW$y\fR to whatever coordinates are used in the Games::Go::Sgf2Dg::Diagram
object.  The default \fBdiaCoords\fR converts 1\-based \f(CW$x\fR, \f(CW$y\fR to the
same coordinates used in \s-1SGF\s0 format files.  You only need to define
this if you're using a different coordinate system in the Diagram.
.Sp
Default:
    sub { my ($x, \f(CW$y\fR) = \f(CW@_\fR;
          \f(CW$x\fR = chr($x \- 1 + ord('a')); # convert 1 to 'a', etc
          \f(CW$y\fR = chr($y \- 1 + ord('a'));
          return(\*(L"$x$y\*(R"); },           # concatenate two letters
.Sp
See also the \fBdiaCoords\fR method below.
.ie n .IP "\fBfile\fR => 'filename' | $descriptor | \e$string | \e@array" 8
.el .IP "\fBfile\fR => 'filename' | \f(CW$descriptor\fR | \e$string | \e@array" 8
.IX Item "file => 'filename' | $descriptor | $string | @array"
If \fBfile\fR is defined, the \s-1ASCII\s0 diagram is dumped into the target.
The target can be any of:
.RS 8
.IP "filename" 4
.IX Item "filename"
The filename will be opened using IO::File\->new.  The filename
should include the '>' or '>>' operator as described in 'perldoc
IO::File'.  The \s-1ASCII\s0 diagram is written into the file.
.IP "descriptor" 4
.IX Item "descriptor"
A file descriptor as returned by IO::File\->new, or a \e*FILE
descriptor.  The \s-1ASCII\s0 diagram is written into the file.
.IP "reference to a string scalar" 4
.IX Item "reference to a string scalar"
The \s-1ASCII\s0 diagram is concatenated to the end of the string.
.IP "reference to an array" 4
.IX Item "reference to an array"
The \s-1ASCII\s0 diagram is split on \*(L"\en\*(R" and each line is pushed onto the array.
.RE
.RS 8
.Sp
Default: undef
.RE
.ie n .IP "\fBprint\fR => sub { my ($dg2ascii, @lines) = @_; ... }" 8
.el .IP "\fBprint\fR => sub { my ($dg2ascii, \f(CW@lines\fR) = \f(CW@_\fR; ... }" 8
.IX Item "print => sub { my ($dg2ascii, @lines) = @_; ... }"
A user defined subroutine to replace the default printing method.
This callback is called from the \fBprint\fR method (below) with the
reference to the \fBDg2ASCII\fR object and a list of lines that are
part of the \s-1ASCII\s0 diagram lines.
.SH "METHODS"
.IX Header "METHODS"
.ie n .IP "$dg2tex\->\fBconfigure\fR (option => value, ?...?)" 4
.el .IP "\f(CW$dg2tex\fR\->\fBconfigure\fR (option => value, ?...?)" 4
.IX Item "$dg2tex->configure (option => value, ?...?)"
Change Dg2TeX options from values passed at \fBnew\fR time.
.ie n .IP "my $coord = $dg2mp\->\fBdiaCoords\fR ($x, $y)" 4
.el .IP "my \f(CW$coord\fR = \f(CW$dg2mp\fR\->\fBdiaCoords\fR ($x, \f(CW$y\fR)" 4
.IX Item "my $coord = $dg2mp->diaCoords ($x, $y)"
Provides access to the \fBdiaCoords\fR option (see above).  Returns
coordinates in the converter's coordinate system for board coordinates ($x,
\&\f(CW$y\fR).  For example, to get a specific intersection structure:
.Sp
.Vb 1
\&    my $int = $diagram\->get($dg2mp\->diaCoords(3, 4));
.Ve
.ie n .IP "$dg2ascii\->\fBprint\fR ($text ? , ... ?)" 4
.el .IP "\f(CW$dg2ascii\fR\->\fBprint\fR ($text ? , ... ?)" 4
.IX Item "$dg2ascii->print ($text ? , ... ?)"
\&\fBprint\fRs the input \f(CW$text\fR directly to \fBfile\fR as defined at \fBnew\fR
time.  Whether or not \fBfile\fR was defined, \fBprint\fR accumulates the
\&\f(CW$text\fR for later retrieval with \fBconverted\fR.
.ie n .IP "my $ascii = $dg2ascii\->\fBconverted\fR ($replacement)" 4
.el .IP "my \f(CW$ascii\fR = \f(CW$dg2ascii\fR\->\fBconverted\fR ($replacement)" 4
.IX Item "my $ascii = $dg2ascii->converted ($replacement)"
Returns the entire \s-1ASCII\s0 diagram converted so far for the
\&\fBDg2ASCII\fR object.  If \f(CW$replacement\fR is defined, the accumulated
\&\s-1ASCII\s0 is replaced by \f(CW$replacement\fR.
.ie n .IP "$dg2ascii\->\fBcomment\fR ($comment ? , ... ?)" 4
.el .IP "\f(CW$dg2ascii\fR\->\fBcomment\fR ($comment ? , ... ?)" 4
.IX Item "$dg2ascii->comment ($comment ? , ... ?)"
Inserts the comment character (which is nothing for \s-1ASCII\s0) in front
of each line of each comment and \fBprint\fRs it to \fBfile\fR.
.ie n .IP "my $dg2ascii\->\fBconvertDiagram\fR ($diagram)" 4
.el .IP "my \f(CW$dg2ascii\fR\->\fBconvertDiagram\fR ($diagram)" 4
.IX Item "my $dg2ascii->convertDiagram ($diagram)"
Converts a \fIGames::Go::Sgf2Dg::Diagram\fR into \s-1ASCII.\s0  If \fBfile\fR was defined
in the \fBnew\fR method, the \s-1ASCII\s0 is dumped into the \fBfile\fR.  In any
case, the \s-1ASCII\s0 is returned as a string scalar.
.Sp
Labels are restricted to one character (any characters after the first
are discarded).
.ie n .IP "my $ascii = $dg2ascii\->\fBconvertText\fR ($text)" 4
.el .IP "my \f(CW$ascii\fR = \f(CW$dg2ascii\fR\->\fBconvertText\fR ($text)" 4
.IX Item "my $ascii = $dg2ascii->convertText ($text)"
Converts \f(CW$text\fR into \s-1ASCII\s0 code \- gee, that's not very hard.  In
fact, this method simply returns whatever is passed to it.  This is
really just a place-holder for more complicated converters.
.Sp
Returns the converted text.
.ie n .IP "$dg2ascii\->\fBclose\fR" 4
.el .IP "\f(CW$dg2ascii\fR\->\fBclose\fR" 4
.IX Item "$dg2ascii->close"
\&\fBprint\fRs any final text to the diagram (currently none) and closes
the dg2ascii object.  Also closes \fBfile\fR if appropriate.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "sgf2dg(1)" 4
.IX Item "sgf2dg(1)"
Script to convert \s-1SGF\s0 format files to Go diagrams
.SH "BUGS"
.IX Header "BUGS"
Seems unlikely.