NAME

PeGS::PDF - Draw simple Perl Graphical Structures

SYNOPSIS

        use PeGS::PDF;

DESCRIPTION

        my @points = map
                [ $xc + $r * cos( $arc * $_ / 2 ), $yc + $r * sin( $arc * $_ / 2 ) ],
                0 .. $points - 1;

$c .= sprintf(' %.2f %.2f %.2f %.2f %.2f %.2f c', $x + $b, $y, $x + $r, $y - $r + $b, $x + $r, $y - $r); /* Set x/y to the final point. */ $x = $x + $r; $y = $y - $r; /* Third circle quarter. */ $c .= sprintf(' %.2f %.2f %.2f %.2f %.2f %.2f c', $x, $y - $b, $x - $r + $b, $y - $r, $x - $r, $y - $r); /* Set x/y to the final point. */ $x = $x - $r; $y = $y - $r; /* Fourth circle quarter. */ $c .= sprintf(' %.2f %.2f %.2f %.2f %.2f %.2f c %s', $x - $b, $y, $x - $r, $y + $r - $b, $x - $r, $y + $r, $op);

        $pdf->lines( $end_x, $end_y, $arrow_tip1_x, $arrow_tip1_y );
        $pdf->lines( $end_x, $end_y, $arrow_tip2_x, $arrow_tip2_y );

        $pdf->lines( $arrow_tip1_x + $pdf->stroke_width, $arrow_tip1_y, $arrow_tip2_x + $pdf->stroke_width, $arrow_tip2_y );

http://www.adobe.com/devnet/acrobat/pdfs/PDF32000_2008.pdf

sub make_circle { my( $pdf, $x, $y, $radius, $start_angle, $end_angle ) = @_;

        # theta is sweep, which is 360

        my $Pi2 = 3.1415926 * 2;

        my( $x0, $y0 ) = ( cos( 180 / $Pi2 ), sin( 180 / $Pi2 ) );
        my( $x1, $y1 ) = ( (4 - $x0) / 3, (1-$x0)*(3-$x0)/(3*$y0) )
        my( $x2, $y2 ) = ( $x1, -$y0 );
        my( $x3, $y3 ) = ( $x1, -$y1 );

        $pdf->{stream} .= <<"PDF";
$x $y m
$x1 $y1 $x2 $y2 $x3 $y3 c

PDF

        }

TO DO

SEE ALSO

SOURCE AVAILABILITY

This source is in Github:

        http://github.com/briandfoy/pegs-pdf/

AUTHOR

brian d foy, <bdfoy@cpan.org>

COPYRIGHT AND LICENSE

Copyright (c) 2009-2014, brian d foy, All Rights Reserved.

You may redistribute this under the same terms as Perl itself.