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.\"
.IX Title "Games::Go::Sgf2Dg::Dg2Ps 3pm"
.TH Games::Go::Sgf2Dg::Dg2Ps 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::Dg2Ps \- convert Games::Go::Sgf2Dg::Diagrams to PostScript
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
use Games::Go::Sgf2Dg::Dg2Ps
.PP
.Vb 2
\& my $dg2ps = B<Games::Go::Sgf2Dg::Dg2Ps\-E<gt>new> (options);
\& $dg2ps\->convertDiagram($diagram);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBGames::Go::Sgf2Dg::Dg2Ps\fR converts a Games::Go::Sgf2Dg::Diagram into PostScript.
.SH "NEW"
.IX Header "NEW"
.ie n .IP "my $dg2ps = \fBGames::Go::Sgf2Dg::Dg2Ps\->new\fR (?options?)" 4
.el .IP "my \f(CW$dg2ps\fR = \fBGames::Go::Sgf2Dg::Dg2Ps\->new\fR (?options?)" 4
.IX Item "my $dg2ps = Games::Go::Sgf2Dg::Dg2Ps->new (?options?)"
.PP
A \fBnew\fR Games::Go::Sgf2Dg::Dg2Ps 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, $y to Diagram coordinates }" 8
.el .IP "\fBdiaCoords\fR => sub { # convert \f(CW$x\fR, \f(CW$y\fR to Diagram coordinates }" 8
.IX Item "diaCoords => sub { # convert $x, $y to Diagram coordinates }"
This callback defines a subroutine to convert coordinates from \f(CW$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$y\*(R"); },           # concatenate two letters
.Sp
See also the \fBdiaCoords\fR method below.
.ie n .IP "\fBprint\fR => sub { my ($dg2tex, @tex) = @_; ... }" 8
.el .IP "\fBprint\fR => sub { my ($dg2tex, \f(CW@tex\fR) = \f(CW@_\fR; ... }" 8
.IX Item "print => sub { my ($dg2tex, @tex) = @_; ... }"
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 \fBDg2TeX\fR object and a list of lines that are
part of the TeX diagram source.
.PP
Dg2Ps\-specific options:
.IP "\fBpageSize\fR => 'page size'" 8
.IX Item "pageSize => 'page size'"
May be one of:
.RS 8
.IP ". 'A0' \- 'A9'" 12
.IX Item ". 'A0' - 'A9'"
.PD 0
.IP ". 'B0' \- 'B10'" 12
.IX Item ". 'B0' - 'B10'"
.IP ". 'Executive'" 12
.IX Item ". 'Executive'"
.IP ". 'Folio'" 12
.IX Item ". 'Folio'"
.IP ". 'Half\-Letter'" 12
.IX Item ". 'Half-Letter'"
.IP ". 'Letter'" 12
.IX Item ". 'Letter'"
.IP ". 'US\-Letter'" 12
.IX Item ". 'US-Letter'"
.IP ". 'Legal'" 12
.IX Item ". 'Legal'"
.IP ". 'US\-Legal'" 12
.IX Item ". 'US-Legal'"
.IP ". 'Tabloid'" 12
.IX Item ". 'Tabloid'"
.IP ". 'SuperB'" 12
.IX Item ". 'SuperB'"
.IP ". 'Ledger'" 12
.IX Item ". 'Ledger'"
.IP ". 'Comm #10 Envelope'" 12
.IX Item ". 'Comm #10 Envelope'"
.IP ". 'Envelope\-Monarch'" 12
.IX Item ". 'Envelope-Monarch'"
.IP ". 'Envelope\-DL'" 12
.IX Item ". 'Envelope-DL'"
.IP ". 'Envelope\-C5'" 12
.IX Item ". 'Envelope-C5'"
.IP ". 'EuroPostcard'" 12
.IX Item ". 'EuroPostcard'"
.RE
.RS 8
.PD
.Sp
Default: 'Letter'
.RE
.IP "\fBtopMargin\fR    => points" 8
.IX Item "topMargin => points"
.PD 0
.IP "\fBbottomMargin\fR => points" 8
.IX Item "bottomMargin => points"
.IP "\fBleftMargin\fR   => points" 8
.IX Item "leftMargin => points"
.IP "\fBrightMargin\fR  => points" 8
.IX Item "rightMargin => points"
.PD
Margins are set in PostScript 'user space units' which are approximately
equivilent to points (1/72 of an inch).
.Sp
Default for all margins: 72 * .70 (7/10s of an inch)
.IP "\fBtext_fontName\fR  => 'font'  Default: 'Times\-Roman'," 8
.IX Item "text_fontName => 'font' Default: 'Times-Roman',"
.PD 0
.IP "\fBstone_fontName\fR => 'font'  Default: 'Courier\-Bold'" 8
.IX Item "stone_fontName => 'font' Default: 'Courier-Bold'"
.PD
Text and stone fonts names may be one of these (case sensitive):
.RS 8
.IP "Courier" 4
.IX Item "Courier"
.PD 0
.IP "Courier-Bold" 4
.IX Item "Courier-Bold"
.IP "Courier-BoldOblique" 4
.IX Item "Courier-BoldOblique"
.IP "Courier-Oblique" 4
.IX Item "Courier-Oblique"
.IP "Helvetica" 4
.IX Item "Helvetica"
.IP "Helvetica-Bold" 4
.IX Item "Helvetica-Bold"
.IP "Helvetica-BoldOblique" 4
.IX Item "Helvetica-BoldOblique"
.IP "Helvetica-Oblique" 4
.IX Item "Helvetica-Oblique"
.IP "Times-Roman" 4
.IX Item "Times-Roman"
.IP "Times-Bold" 4
.IX Item "Times-Bold"
.IP "Times-Italic" 4
.IX Item "Times-Italic"
.IP "Times-BoldItalic" 4
.IX Item "Times-BoldItalic"
.RE
.RS 8
.RE
.IP "\fBtext_fontSize\fR  => points" 8
.IX Item "text_fontSize => points"
.PD
The point size for the comment text.  Diagram titles use this size
plus 4, and the game title uses this size plus 6.
.Sp
Default: 11
.IP "\fBstone_fontSize\fR => points" 8
.IX Item "stone_fontSize => points"
The stone_fontSize determines the size of the stones and diagrams.
Stone size is chosen to allow up to three digits on a stone .  The
default stone_fontSize allows for three diagrams (with \-coords) per
\&'letter' page if comments don't take up extra space below diagrams.
.Sp
If \fBdoubleDigits\fR is specified, the stones and board are slightly
smaller (stone 100 may look a bit cramped).
.Sp
Default: 5
.IP "\fBlineWidth\fR => points" 8
.IX Item "lineWidth => points"
.PD 0
.IP "\fBlineHeight\fR => points" 8
.IX Item "lineHeight => points"
.PD
The \fBlineWidth\fR and \fBlineHeight\fR determine the size of the
stones and diagrams.
.Sp
If \fBlineWidth\fR is not explicitly set, it is calculated from the
\&\fBstone_fontSize\fR to allow up to three digits on a stone .  The
default \fBstone_fontSize\fR allows for three diagrams (with \-coords)
per 'letter' page if comments don't take up extra space below
diagrams.  If \fBdoubleDigits\fR is specified, the stones and board are
slightly smaller (stone 100 may look a bit cramped).
.Sp
If \fBlineHeight\fR is not explicitly set, it will be 1.05 *
\&\fBlineWidth\fR, creating a slightly rectangular diagram.
.Sp
Default: undef \- determined from \fBstone_fontSize\fR
.IP "\fBps_debug\fR =#<gt> number from 0 to 2" 8
.IX Item "ps_debug =#<gt> number from 0 to 2"
When non-zero, code and subroutines are added to the PostScript
output to help debug the PostScript file.  This is very slightly
documented in PostScript::File, but you'll probably need to read
through the PostScript output to make any use of it.
.Sp
Default: 0
.SH "METHODS"
.IX Header "METHODS"
.ie n .IP "$dg2ps\->\fBconfigure\fR (option => value, ?...?)" 4
.el .IP "\f(CW$dg2ps\fR\->\fBconfigure\fR (option => value, ?...?)" 4
.IX Item "$dg2ps->configure (option => value, ?...?)"
Change Dg2Ps 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 "$dg2ps\->\fBprint\fR ($text ? , ... ?)" 4
.el .IP "\f(CW$dg2ps\fR\->\fBprint\fR ($text ? , ... ?)" 4
.IX Item "$dg2ps->print ($text ? , ... ?)"
\&\fBprint\fRs raw PostScript code to \fBfile\fR as defined at \fBnew\fR time.
.ie n .IP "$dg2ps\->\fBprintComment\fR ($text ? , ... ?)" 4
.el .IP "\f(CW$dg2ps\fR\->\fBprintComment\fR ($text ? , ... ?)" 4
.IX Item "$dg2ps->printComment ($text ? , ... ?)"
Adds \f(CW$text\fR to the diagram comments.
.ie n .IP "$dg2ps\->\fBcomment\fR ($comment ? , ... ?)" 4
.el .IP "\f(CW$dg2ps\fR\->\fBcomment\fR ($comment ? , ... ?)" 4
.IX Item "$dg2ps->comment ($comment ? , ... ?)"
Inserts the PostScript comment character ('%') in front of each line of
each comment and \fBprint\fRs it to \fBfile\fR.
.Sp
Note that this is \fInot\fR the same as the \fBprintComment\fR method.
.ie n .IP "my $canvas = $dg2ps\->\fBconvertDiagram\fR ($diagram)" 4
.el .IP "my \f(CW$canvas\fR = \f(CW$dg2ps\fR\->\fBconvertDiagram\fR ($diagram)" 4
.IX Item "my $canvas = $dg2ps->convertDiagram ($diagram)"
Converts a Games::Go::Sgf2Dg::Diagram into PostScript.
.ie n .IP "my $converted_text = $dg2ps\->\fBconvertText\fR ($text)" 4
.el .IP "my \f(CW$converted_text\fR = \f(CW$dg2ps\fR\->\fBconvertText\fR ($text)" 4
.IX Item "my $converted_text = $dg2ps->convertText ($text)"
Converts \f(CW$text\fR into text for display (handles PostScript escape
sequences).
.Sp
Returns the converted text.
.ie n .IP "$dg2ps\->\fBclose\fR" 4
.el .IP "\f(CW$dg2ps\fR\->\fBclose\fR" 4
.IX Item "$dg2ps->close"
\&\fBprint\fRs final PostScript code to the output file and closes the
file.
.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"
Bugs?  In \fImy\fR code?