#!/usr/bin/perl

use strict;
use warnings;

use File::Basename;
use PDF::Builder;
use PDF::Builder::Util;
use PDF::Builder::Win32;
use Unicode::UCD 'charinfo';
use Encode qw[:all];
use Getopt::Long;
#use Data::Dumper;
use utf8;

#my $compress = 'none'; # uncompressed streams
my $compress = 'flate'; # compressed streams

my %wxf = PDF::Builder::Win32->enumwinfonts();

foreach my $k (sort keys %wxf) {
    print "font '$wxf{$k}' has key '$k'\n";

    my $api = PDF::Builder->new(-compress => $compress);
    
    $api->mediabox(595,842);
    
    my $helv = $api->corefont('Helvetica-Bold', -encode=>'latin1');
    
    my $sx = 33;
    my $sy = 45;
    my $fx = 20;

#   my $xf = $api->winfont($k, -encode=>'latin1');
    my $xf = PDF::Builder::Win32->winfont($k, -encode=>'latin1');

    my $page = $api->page();
    $page->mediabox(595,842);

    my $gfx = $page->gfx();
    my $text = $page->text();

    $text->textlabel(50,800, $helv,20, $wxf{$k});
    
    # row number yp
    foreach my $yp (0 .. 15) {
	my $y = 15 - $yp; # row location top to bottom
	# column number x left to right
        foreach my $x (0 .. 15) {
            my $c = $yp*16 + $x;
            $text->textlabel(50+($sx*$x),50+($sy*$y), $xf,$fx, pack('C',$c));
            $text->textlabel(50+($sx*$x),50+($sy*$y)-6, $helv,6, nameByUni($c), -color=>'#a00000', -hscale=>80, -rotate=>-15);
        }
    }

    if ($xf->can('uniByCId') and $xf->can('glyphNum')) {
        my @cids = (0 .. $xf->glyphNum()-1);
        my @fbbx = $xf->fontbbox();
        my $xw = int(($fbbx[2] - $fbbx[0])/20)*20;
        my $yw = int(($fbbx[3] - $fbbx[1])/20)*20;
        my $fw = $xw>$yw? $yw: $xw;
        my $mw = 800/$fw;
        my $y0 = int((20 - $fbbx[1])/20)*20*$mw;
    
	# create pages until run out of cids
        while (scalar @cids>0) {
            $page = $api->page();
            $page->mediabox(595,842);
    
            $gfx = $page->gfx();
            $text = $page->text();
	    my $scale = 0.045;
    
	    # row positions (y value)
            foreach my $y (750,700,650,600,550,500,450,400,350,300,250,200,150,100,50) {
		# column positions (x value)
                foreach my $x (50,100,150,200,250,300,350,400,450,500) {
                    my $xo = shift(@cids);
                    $gfx->save();
                    $gfx->fillcolor('black');
                    $gfx->transform(-translate => [$x, $y], -scale => [0.045, 0.045]);
    
                    $gfx->linewidth(10);
                    $gfx->rect(0,0, 1000,1000);
                    $gfx->stroke();
    
                    my $wx = $xf->wxByCId($xo)*$mw;
                    my $x0 = (1000-$wx)/2;
    
                    $gfx->linedash(10,20);
                    $gfx->linewidth(0.5);
                    $gfx->move($x0,0);
                    $gfx->line($x0,1000);
                    $gfx->move($x0+$wx,1000);
                    $gfx->line($x0+$wx,0);
                    $gfx->move(0,$y0);
                    $gfx->line(1000,$y0);
                    $gfx->stroke();
    
                    $text->font($xf, 1000*$mw*$scale);
                    $text->translate($x+$x0*$scale,$y+$y0*$scale);
                    $text->add($xf->text_cid(pack('n',$xo)), 'Tj');
    
                    $text->font($helv, 100*$scale);
                    $text->hscale(80);
                    $text->translate($x+25*$scale,$y+860*$scale);
                    $text->text("G+$xo"); 
                    $text->translate($x+25*$scale,$y+10*$scale);
                    $text->text(sprintf('U+%04X', $xf->uniByCId($xo)));
    
                    my $name = $xf->glyphByCId($xo);
                    if ($name eq '') {
                        $text->fillcolor('red');
                        $name = "NONE";
                    } else {
                        $text->fillcolor('blue');
                    }
    
                    $text->hscale(70);
                    $text->translate($x+975*$scale,$y+860*$scale);
                    $text->text_right($name);
    
                    $text->fillcolor('black');
                    $text->translate($x+975*$scale,$y+10*$scale);
                    $text->text_right('wx='.$xf->wxByCId($xo));
    
                    $text->fillcolor('#008000');
                    $text->translate($x+500*$scale,$y+950*$scale);
                    $text->hscale(70);
                    my $ci = charinfo($xf->uniByCId($xo) || 0);
                    $text->font($helv,50*$scale);
                    $text->text_center($ci->{'name'});
    
                    # restore
		    $text->fillcolor('black');
		    $text->hscale(100);

                    $gfx->restore();
    
                    last unless scalar @cids>0;
                } # next column in row (x pos)
                last unless scalar @cids>0;
            } # next row (y pos)
            print STDERR ".";
            ## $api->finishobjects($page,$gfx);
        } # loop through cids
    } # both uniByCId and glyphNum OK

    $api->saveas("$0.$k.pdf");
    $api->end();
} # loop through keys of %wxf

#print Dumper($PDF::Builder::wf);

__END__