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dpavlin |
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package Frey::IconBrowser; |
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use Moose; |
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extends 'Frey'; |
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with 'Frey::Web'; |
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with 'Frey::Path'; |
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with 'Frey::Storage'; |
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has path => ( |
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is => 'rw', |
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isa => 'Str', |
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required => 1, |
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default => 'static/icons/fugue/', |
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); |
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use GD; |
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use Digest::MD5 qw/md5_hex/; |
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use File::Slurp; |
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use Data::Dump qw/dump/; |
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=head2 combine_image |
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Combine images into CSS sprites |
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my ( $combined_path, $styles ) = $self->combine_image( @paths ); |
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=cut |
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sub combine_image { |
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my $self = shift; |
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my @images = @_; |
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my $path = 'var/combine/' . md5_hex( join(' ',@images ) ); |
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my $style_path = $path . '.yaml'; |
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$path .= '.png'; |
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return ( $path, $self->load( $style_path ) ) if -e $path; |
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warn "# path $path"; |
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$self->mkbasepath( $path ); |
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# fixed dimensions of images combined |
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my ( $w, $h ) = ( 16, 16 ); |
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my $num_images = $#images + 1; |
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my $combined = GD::Image->new( $w, $num_images * $h ) |
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|| die "can't create $w x ",$num_images * $h," combined image"; |
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$combined->trueColor( 1 ); |
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$combined->saveAlpha( 1 ); |
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my $white = $combined->colorAllocate(255,255,255); |
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$combined->transparent($white); |
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my $y = 0; |
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my $style; |
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foreach my $image_path ( @images ) { |
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my $i = GD::Image->new( $image_path ) || die "can't open $image_path: $!"; |
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$i->trueColor( 1 ); |
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$i->saveAlpha( 1 ); |
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# $i->transparent($white); |
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die "with not $w" unless $i->width == $w; |
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die "with not $h" unless $i->height == $h; |
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warn "# copy $image_path 0 x $y"; |
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$combined->copy( $i, 0, $y, 0, 0, $w, $h ); |
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$style->{$image_path} |
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= qq|background:url(/$path) no-repeat; padding:0 0 0 | . ( $h - 1 ) . qq|px; background-position:0 | |
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. ( $y ? -$y . 'px' : 0 ) |
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; |
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$y += $h; |
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} |
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write_file( $path, $combined->png ); |
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$self->store( $style_path, $style ); |
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warn |
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"# combined $num_images into ", |
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$combined->width, "x", $combined->height, " pixels ", |
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$path, " ", -s $path , " bytes ", |
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" style $style_path ", -s $style_path, " bytes"; |
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return ( $path, $style ); |
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} |
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sub as_markup { |
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my ($self) = @_; |
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my $extension = '\.(?:png)$'; |
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opendir(my $dir, $self->path) || die "can't opendir ", $self->path, ": $!"; |
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my @icons = sort grep { m/$extension/ } readdir($dir); |
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closedir $dir; |
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my ( $combined_path, $styles ) = $self->combine_image( map { $self->path . '/' . $_ } @icons ); |
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my $html; |
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my $base; |
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foreach my $icon ( @icons ) { |
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my $name = $icon; |
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$name =~ s{$extension}{}; |
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$base ||= $name; # seed with first |
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my $desc; |
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my $bl = length $base; |
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if ( substr($name, 0, $bl) eq $base ) { |
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($name,$desc) = ( |
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substr($name,0,$bl), |
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substr($name,$bl) |
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); |
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} else { |
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$base = $name; |
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warn "# new base $base"; |
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$html .= qq|<hr>\n|; |
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} |
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# $html .= qq|<img src="/| . $self->path . qq|/$icon" alt="$icon"> <b>$name</b>$desc<br/>\n|; |
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# $html .= qq|<b>$name</b>$desc<br/>\n|; |
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my $path = $self->path . '/' . $icon; |
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my $style = $styles->{$path} || die "can't find style for $path in ",dump( $styles ); |
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$html .= qq|<span style="$style" title="$icon"> <b>$name</b>$desc</span>\n|; |
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} |
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# $html .= qq|<img src="$combined_path">|; |
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return $html; |
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} |
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