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use Renard::Curie::Setup; |
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package Renard::Curie::Model::Page::RenderedFromPNG; |
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# ABSTRACT: Page generated from PNG data |
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$Renard::Curie::Model::Page::RenderedFromPNG::VERSION = '0.002'; |
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use Moo; |
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use Cairo; |
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use Function::Parameters; |
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use Renard::Curie::Types qw(Str InstanceOf Int); |
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has png_data => ( |
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is => 'rw', |
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isa => Str, |
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required => 1 |
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); |
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has cairo_image_surface => ( |
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is => 'lazy', # _build_cairo_image_surface |
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); |
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method _build_cairo_image_surface() :ReturnType(InstanceOf['Cairo::ImageSurface']) { |
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# read the PNG data in-memory |
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my $img = Cairo::ImageSurface->create_from_png_stream( |
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fun ((Str) $callback_data, (Int) $length) { |
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state $offset = 0; |
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my $data = substr $callback_data, $offset, $length; |
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$offset += $length; |
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$data; |
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}, $self->png_data ); |
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return $img; |
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} |
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with qw( |
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Renard::Curie::Model::Page::Role::CairoRenderable |
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); |
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1; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Renard::Curie::Model::Page::RenderedFromPNG - Page generated from PNG data |
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=head1 VERSION |
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version 0.002 |
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=head1 EXTENDS |
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=over 4 |
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=item * L<Moo::Object> |
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=back |
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=head1 CONSUMES |
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=over 4 |
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=item * L<Renard::Curie::Model::Page::Role::Bounds> |
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=item * L<Renard::Curie::Model::Page::Role::CairoRenderable> |
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=back |
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=head1 ATTRIBUTES |
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=head2 png_data |
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A binary C<Str> which contains the PNG data that represents this page. |
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=head1 AUTHOR |
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Project Renard |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2016 by Project Renard. |
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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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=cut |