113 lines
3.1 KiB
Perl
113 lines
3.1 KiB
Perl
#-------------------------------------------------------------------
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# WebGUI is Copyright 2001-2006 Plain Black Corporation.
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#-------------------------------------------------------------------
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# Please read the legal notices (docs/legal.txt) and the license
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# (docs/license.txt) that came with this distribution before using
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# this software.
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#-------------------------------------------------------------------
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# http://www.plainblack.com info@plainblack.com
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#-------------------------------------------------------------------
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#-----------------------------------------
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# A little utility to generate WebGUI
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# thumbnails.
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#-----------------------------------------
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use File::stat;
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use File::Find ();
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use Image::Magick;
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use Getopt::Long;
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use lib "../lib";
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use WebGUI::Utility;
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my $thumbnailSize;
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my $onlyMissingThumbnails;
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my $help;
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my $path;
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my $ok = GetOptions(
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'size=i'=>\$thumbnailSize,
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'missing'=>\$onlyMissingThumbnails,
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'help'=>\$help,
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'path=s'=>\$path
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);
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if ($help || !($path && $ok) ) {
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print <<USAGE;
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Usage: perl $0 --path=/path/to/files [--size=thumbnailSize] [--missing]
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--path is the complete path to your uploads directory
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--size=thumbSize allows you to override the default thumbnail size of 50.
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--missing says to only create thumbnails for images that are missing thumbnails.
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USAGE
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exit 0;
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}
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$thumbnailSize ||= 50; ##set default
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File::Find::find(\&findThumbs, $path);
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#-----------------------------------------
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sub findThumbs {
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##Remember, by default we are chdir'ed to the directory with the files in it.
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##Skip directories
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return if -d $_;
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##Only Thumbnail files that we should.
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return unless shouldThumbnail($_);
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createThumbnail($_, $File::Find::dir);
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return 1; ##Just for cleanliness
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}
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#-----------------------------------------
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# createThumbnail(filename,path)
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#-----------------------------------------
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sub createThumbnail {
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my ($image, $x, $y, $r, $n, $type);
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my ($fileName, $fileDir) = @_;
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print "Nailing: $fileDir/$fileName\n";
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$image = Image::Magick->new;
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$image->Read($fileName);
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($x, $y) = $image->Get('width','height');
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$r = $x>$y ? $x / $thumbnailSize : $y / $thumbnailSize;
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$image->Scale(width=>($x/$r),height=>($y/$r)) if ($r > 0);
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if (isIn($type, qw(tif tiff bmp))) {
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$image->Write('thumb-'.$fileName.'.png');
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} else {
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$image->Write($_[1].'/thumb-'.$fileName);
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}
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}
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sub shouldThumbnail {
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my ($fileName) = @_;
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my $fileType = getType($fileName);
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##I am a thumbnail, skip me
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return 0 if $fileName =~ m/thumb-/;
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##I am not a graphics file, skip me
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return 0 if !isIn($fileType, qw(jpg jpeg gif png tif tiff bmp));
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##My thumbnail already exists and I was told not to do it again
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return 0 if ($onlyMissingThumbnails && -e 'thumb-'.$fileName);
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return 1;
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}
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#-----------------------------------------
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# getType(filename)
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#-----------------------------------------
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sub getType {
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my ($fileName) = @_;
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my ($extension) = $fileName =~ m/(\w+)$/;
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return lc($extension);
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}
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