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package Text::Convert::ToImage;
use 5.008003;
use strict;
use warnings;
#use baseImage::Magick;
use base qw( Image::Magick );
# Items to export into callers namespace by default. Note: do not export
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.

# This allows declaration	use Text::Convert::ToImage ':all';
# If you do not need this, moving things directly into @EXPORT or @EXPORT_OK
# will save memory.
use vars qw( $VERSION $LEGAL_ATTRIBUTES );
our $VERSION = sprintf("%d.%02d", q$Revision: 0.00 $ =~ /(\d+)\.(\d+)/);

our $LEGAL_ATTRIBUTES = {
    LINE_HEIGHT => 18,
    LINE_LENGTH => 100,
    OUTPUT_FILE => 'www.hjackson.org',
    IMAGE_EXT   => 'png',
    POINT_SIZE  => 12,
    TEXT        => 'http://www.hjackson.org',
    BG_COLOR    => 'white',
    TEXT_COLOR  => 'blue',
    FONT        => 'Generic.ttf',
    INPUT_FILE  => 'xc:white',
    MAGICK      => undef, 
};

my $magick_setup = {
    size => undef,
    pointsize => undef,
};


=cut
sub new {
    my $class  = shift;
    my $setup = {};
    my $config = defined $_[0] && UNIVERSAL::isa($_[0], 'HASH') ? shift : { @_ }; 
    my $self = sub { 
        my $field = shift;
        if(@_) { $config->{$field} = shift } 
        return $config->{$field};
    };
    bless ($self, $class);
    $self->_init($config) || die "Unable to initialise ". ref $self . "\n"; 
    return $self;
}
=cut

#---------------------------------------------------------
#
#
#
#---------------------------------------------------------
sub _init {
    my ($self, $config) = @_;
    for my $field ( keys %{ $LEGAL_ATTRIBUTES } ) {
        my $lc_field = lc $field; 
        no strict "refs"; 
        *$lc_field = sub { 
            my $self = shift;
            return $self->(uc $field, @_);
        };      
    }
    while ( my ($key, $val) = each %{ $config }) {
        $key = lc($key);
        $self->$key($val);
    }
    # This allows a Develpoer to pass in his own pre-createed object
    my $magick = Image::Magick->new() || die "Unable to create Image::Magick Object$!";
    $self->magick( $magick ) unless ($self->magick());
    
}

#----------------------------------------------------------
#
#
#
#----------------------------------------------------------
sub calculate {
    my $self = shift;
    my $config = shift;
    my $text = $config->{TEXT};
    my @lines = split (/\n/, $text);
    #print "$text\n";
    my $measure;
    foreach (@lines) {
         my $len = length($_);
         $measure->{LENGTH} = $len unless ($measure->{LENGTH} &&  $measure->{LENGTH} > $len); 
    }
    
    # Need to handle referneces to scalars Filhandles and all other sorts of
    # text that peopl emy want converted.
    my $point_size = $config->{POINTSIZE};
    my $length = $measure->{LENGTH} || length($text);
    my $border = ($point_size / 5);
    #print $#lines;
    #my $size = "size=>'". int($length * ($point_size / 2.1)) . "x" . ($point_size * ($#lines + 2)) ."'";
#my $size = "size=>'". int($length * (($point_size * 0.5514598) + 9 )) . "x" . ($point_size * ($#lines )) ."'";
my $size = "size=>'". int($length * (($point_size * 0.5514598) + 10 )) . "x" . ($point_size * ($#lines + 4 )) ."'";
    print "$size\n";
    $self->Set(eval $size);
    my($x_size, $y_size) = $self->Get('width', 'height');
    $self->Read('xc:white');
    $self->Set(background=>'gray');
    
    $self->Annotate( text  => $text,
                     font  =>'Generic.ttf', 
                     fill  =>'black',
                     align =>'Left' ,
                     pointsize=>$point_size,
                     x => $point_size,
                     y => $point_size 
                     );
    my ($x_ppem, $y_ppem, $ascender, $descender, $width, $height, $max_advance) =
 $self->QueryFontMetrics();
    print "X_PPEM = $x_ppem\n";
    print "Y_PPEM = $y_ppem\n";
    print "ASC = $ascender\n";
    print "DESC = $descender\n";
    print "width = $width\n";
    print "width = $height\n";
    


    $self->Set(compression=>'None');
    return $self;
}

sub calculate_lines {
    my $self = shift;

}

sub obfuscate {
    my $self = shift;
}

__END__
my $point_size = 18;
my $length = length ($text);
#my $size = "size=>'". int($length * 5.5) . "x10'";
my $size = "size=>'". int($length * ($point_size / 2)) . "x" . ($point_size + 1) ."'";
print $size . "\n";
$q=Image::Magick->new();
#$q->Set(size=>'100x10');
$q->Set(eval $size);
#$q->Read('gradient:#00f685-#0083f8');
$q->Read('xc:white');
$q->Set(fill=>'green',background=>'gray',matte=>0);
#$q->Rotate(-90);
#$q->Raise('2x2');
#$q->Wave(5);

$q->Annotate(text=>$text,font=>'Generic.ttf', fill=>'black', gravity=>'Center',pointsize=>$point_size);
$q->Set(compression=>'None');
$q->Write('button.png');
#$q->Write('button.png');

#open (FH, '<button.png') || die;
#open (OUT, '>button2.png') || die;
#local $/;
#my $file = <FH>;
#
#print OUT $file;

#$q->Write('win:');


__END__

#!/usr/bin/perl
use Image::Magick;

my($image, $p, $q);
$image = Image::Magick->new || die;
$image->Set(size=>'100x100');
$image->ReadImage('xc:white');
$image->Set('pixel[49,49]'=>'red');
$text = 'Works like magick!';
my $x = $image->Annotate(font=>'Generic.ttf', pointsize=>5, fill=>'black', text=>'$text');
print $x if $x;
$image->Write(filename=>'image.png', compression=>'None');





1;
__END__
# Below is stub documentation for your module. You'd better edit it!

=head1 NAME

Text::Convert::ToImage - Perl extension for blah blah blah

=head1 SYNOPSIS

  use Text::Convert::ToImage;
  blah blah blah

=head1 DESCRIPTION

Stub documentation for Text::Convert::ToImage, created by h2xs. It looks like the
author of the extension was negligent enough to leave the stub
unedited.

Blah blah blah.

=head2 EXPORT

None by default.



=head1 SEE ALSO

Mention other useful documentation such as the documentation of
related modules or operating system documentation (such as man pages
in UNIX), or any relevant external documentation such as RFCs or
standards.

If you have a mailing list set up for your module, mention it here.

If you have a web site set up for your module, mention it here.

=head1 AUTHOR

Debian User, E<lt>harry@E<gt>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2004 by Debian User

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.3 or,