80 lines
2.3 KiB
Raku
Executable file
80 lines
2.3 KiB
Raku
Executable file
#!/usr/bin/env raku
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enum Format <DEFAULT skip png webp jpg>;
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#| resize images for uploading to gallery sites
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unit sub MAIN(
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#| number of concurrent jobs (default min{10, # cores})
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Int :j(:$jobs) = min(10, $*KERNEL.cpu-cores),
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#| format to use for mastodon (png, webp, jpg, skip)
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Format :m(:$mastodon) is copy = DEFAULT,
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#| format to use for itaku
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Format :i(:$itaku) is copy = DEFAULT,
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#| format to use for furaffinity/weasyl
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Format :f(:$furaffinity) is copy = DEFAULT,
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#| webp/jpg quality setting (default 98)
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Int :Q(:$quality) = 98,
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#| only run conversions explicitly mentioned
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Bool :O(:$only) = False,
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Bool :n(:$dry-run) = False,
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Bool :v(:$verbose) = False,
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#| out dir, default ./out
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IO :o(:$outdir) = 'out'.IO,
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#| defaults to all *.png & *.jpg files in the current dir
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*@files,
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);
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sub cmd(*@args) {
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say "> @args[]" if $dry-run || $verbose;
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run @args unless $dry-run;
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}
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sub verbose(*@args) { say "> @args[]" if $verbose }
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# fixup args
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die "furaffinity/weasyl don't know what webp are" if $furaffinity == webp;
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$mastodon ||= $only ?? skip !! webp;
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$itaku ||= $only ?? skip !! webp;
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$furaffinity ||= $only ?? skip !! png;
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(@files .= map: *.IO) ||= $*CWD.dir: test => /:i \.[jpe?g|png]$/;
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for @files { die "$_ is not a regular file" unless .f; }
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# running imagemagick (and oxipng sometimes) 🪄
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sub convert($in, $site, $format, *@flags) {
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my $out = $outdir.child($in.basename).extension("$site.$format");
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cmd <convert>, $in, @flags, $out;
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cmd <oxipng -q>, $out if $format == png;
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}
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constant $SIZE = 2800;
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constant $SQUARE = "{$SIZE}x{$SIZE}";
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constant $MASTO-SIZE = "{1280**2}@";
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my @sites = [
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{:name<mastodon>, :format($mastodon), :size($MASTO-SIZE)},
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{:name<itaku>, :format($itaku), :size($SQUARE)},
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{:name<furaffinity>, :format($furaffinity), :size($SQUARE)},
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].grep: *<format> != skip;
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# go go go
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sub parallel(@vals, &f) {
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my $sem = Semaphore.new: $jobs;
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my @tasks = @vals.map: { start { $sem.acquire; f $_; $sem.release } };
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@tasks».result;
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}
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cmd <mkdir -p>, $outdir;
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my @todo = @files X @sites;
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parallel @todo, -> ($file, % (:$name, :$format, :$size)) {
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state $i++;
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say "[$i/@todo.elems()] $name $file.basename()";
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convert $file, $name, $format, '-resize', $size, '-quality', $quality;
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};
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