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package Image::PNG::Simple; |
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38769
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use 5.008007; |
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use strict; |
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use warnings; |
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use File::Temp (); |
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use Carp 'croak'; |
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our $VERSION = '0.07'; |
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require XSLoader; |
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XSLoader::load('Image::PNG::Simple', $VERSION); |
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sub parse_bmp_data { |
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my ($self, $data) = @_; |
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my $tmp_dir = File::Temp->newdir; |
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my $tmp_file = "$tmp_dir/tmp.bmp"; |
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open my $out_fh, '>', $tmp_file |
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or croak "Can't open file $tmp_file for write: $!"; |
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binmode $out_fh; |
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print $out_fh $data; |
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close $out_fh; |
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$self->read_bmp_file($tmp_file); |
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} |
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sub get_bmp_data { |
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my $self = shift; |
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my $tmp_dir = File::Temp->newdir; |
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my $tmp_file = "$tmp_dir/tmp.bmp"; |
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# Write bmp data to temp file |
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open my $out_fh, '>', $tmp_file |
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or croak "Can't open file $tmp_file for write: $!"; |
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$self->write_bmp_file($tmp_file); |
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close $out_fh; |
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# Read bmp data from temp file |
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open my $in_fh, '<', $tmp_file |
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or croak "Can't open file $tmp_file for read: $!"; |
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binmode($in_fh); |
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my $bmp_data = do { local $/; <$in_fh> }; |
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close $in_fh; |
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return $bmp_data; |
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} |
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sub get_png_data { |
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my $self = shift; |
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my $tmp_dir = File::Temp->newdir; |
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my $tmp_file = "$tmp_dir/tmp.png"; |
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# Write png data to temp file |
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open my $out_fh, '>', $tmp_file |
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or croak "Can't open file $tmp_file for write: $!"; |
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$self->write_png_file($tmp_file); |
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close $out_fh; |
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# Read png data from temp file |
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open my $in_fh, '<', $tmp_file |
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or croak "Can't open file $tmp_file for read: $!"; |
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binmode($in_fh); |
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my $png_data = do { local $/; <$in_fh> }; |
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close $in_fh; |
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return $png_data; |
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} |
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1; |
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=head1 NAME |
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Image::PNG::Simple - Convert bitmap file to png file without C library dependency. |
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=head1 CAUTION |
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B |
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=head1 SYNOPSIS |
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use Image::PNG::Simple; |
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# Create Image::PNG::Simple object |
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my $ips = Image::PNG::Simple->new; |
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# Read bitmap file |
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$ips->read_bmp_file('dog.bmp'); |
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# Write png file |
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$ips->write_png_file('dog.png'); |
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=head1 DESCRIPTION |
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Convert bitmap file to png file without C library dependency. |
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=head1 METHODS |
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=head2 new |
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my $ips = Image::PNG::Simple->new; |
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Create new Image::PNG::Simple object. |
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=head2 read_bmp_file |
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$ips->read_bmp_file('dog.bmp'); |
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Read bitmap file. |
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=head2 parse_bmp_data |
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$ips->parse_bmp_data($bmp_data); |
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Prase bitmap binary data. |
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=head2 get_bmp_data |
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$ips->get_bmp_data; |
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Get bitmap binary data. |
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=head2 get_png_data |
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$ips->get_png_data; |
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Get png binary data. |
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=head2 write_bmp_file |
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$ips->write_bmp_file('dog_copy.bmp'); |
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Write bitmap file. |
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=head2 write_png_file |
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$ips->write_png_file('dog.png'); |
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Write png file. |
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=head1 INTERNAL |
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This module internally use libpng-1.6.17 and zlib-1.2.8. |
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So This module license follow Perl license, libpng license and zlib license. |
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=head1 SEE ALSO |
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152
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L, L, L |
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=head1 AUTHOR |
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Yuki Kimoto Ekimoto.yuki@gmail.comE |
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=head1 REPOSITORY and BUG REPORT |
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Tell me on Github Repository |
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L |
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164
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=head1 COPYRIGHT AND LICENSE |
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166
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Copyright (C) 2015 by Yuki Kimoto |
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168
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This library is free software; you can redistribute it and/or modify |
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it under the same terms as Perl, libpng, and zlib itself, either Perl version 5.16.3 or, |
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at your option, any later version of Perl 5 you may have available. |
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=cut |