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package PDF::Boxer::Content::Image; |
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{ |
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$PDF::Boxer::Content::Image::VERSION = '0.004'; |
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} |
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use Moose; |
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# ABSTRACT: a box that displays an image |
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use namespace::autoclean; |
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extends 'PDF::Boxer::Content::Box'; |
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has 'src' => ( isa => 'Str', is => 'ro' ); |
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has 'scale' => ( isa => 'Num', is => 'ro' ); |
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has 'format' => ( isa => 'Str', is => 'ro', lazy_build => 1 ); |
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has 'image' => ( is => 'rw', lazy_build => 1 ); |
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has 'image_width' => ( isa => 'Int', is => 'rw', lazy_build => 1 ); |
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has 'image_height' => ( isa => 'Int', is => 'rw', lazy_build => 1 ); |
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has 'align' => ( isa => 'Str', is => 'ro' ); |
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has 'valign' => ( isa => 'Str', is => 'ro' ); |
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sub _build_pressure_width{ 1 } |
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sub _build_pressure_height{ 0 } |
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sub _build_format{ |
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my ($self) = @_; |
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return unless $self->src; |
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my ($ext) = $self->src =~ /\.([^\.]+)$/; |
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return $ext; |
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} |
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sub _build_image{ |
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my ($self) = @_; |
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die $self->src.": $!" unless -f $self->src; |
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my $pdf = $self->boxer->doc->pdf; |
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my $method = 'image_'.$self->format; |
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return $self->boxer->doc->pdf->$method($self->src); |
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} |
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sub _build_image_width{ |
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my ($self) = @_; |
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my $width = $self->image->width; |
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if (my $sc = $self->scale){ |
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$width = $width * $sc / 100; |
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} |
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return $width; |
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} |
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sub _build_image_height{ |
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my ($self) = @_; |
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my $height = $self->image->height; |
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if (my $sc = $self->scale){ |
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$height = $height * $sc / 100; |
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} |
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return $height; |
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} |
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sub get_default_size{ |
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my ($self) = @_; |
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return ($self->image_width, $self->image_height); |
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} |
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around 'render' => sub{ |
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my ($orig, $self) = @_; |
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my $img = $self->image; |
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my $gfx = $self->boxer->doc->gfx; |
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my $x = $self->content_left; |
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my $y = $self->content_top-$self->height; |
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my @args = $self->scale ? ($self->scale/100) : ($self->image->width, $self->image->height); |
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foreach($self->valign || ()){ |
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/^top/ && do { $y = $self->content_top - $self->image_height }; |
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/^cen/ && do { |
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my $bc = $self->content_top - ($self->content_height / 2); |
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my $ic = $self->image_height / 2; |
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$y = $bc - $ic; |
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}; |
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} |
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foreach($self->align || ()){ |
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/^rig/ && do { $x = $self->content_right - $self->image_width }; |
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/^cen/ && do { |
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my $bc = $self->content_left + ($self->content_width / 2); |
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my $ic = $self->image_width / 2; |
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$x = $bc - $ic; |
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}; |
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} |
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$gfx->image($img, $x, $y, @args); |
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$self->$orig(); |
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}; |
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103
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__PACKAGE__->meta->make_immutable; |
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105
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1; |
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__END__ |
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=pod |
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110
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=head1 NAME |
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112
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PDF::Boxer::Content::Image - a box that displays an image |
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114
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=head1 VERSION |
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116
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version 0.004 |
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118
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=head1 AUTHOR |
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120
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Jason Galea <lecstor@cpan.org> |
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122
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2012 by Jason Galea. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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129
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=cut |
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