NAME

Apache::Gallery - mod_perl handler to create an image gallery

SYNOPSIS

See the INSTALL file in the distribution for installation instructions.

DESCRIPTION

Apache::Gallery creates an thumbnail index of each directory and allows viewing pictures in different resolutions. Pictures are resized on the fly and cached. The gallery can be configured and customized in many ways and a custom copyright image can be added to all the images without modifying the original.

CONFIGURATION

In your httpd.conf you set the global options for the gallery. You can also override each of the options in .htaccess files in your gallery directories.

The options are set in the httpd.conf/.htaccess file using the syntax: PerlSetVar OptionName 'value'

Example: PerlSetVar GalleryCacheDir '/var/cache/www/'

GalleryAutoRotate

Some cameras, like the Canon G3, can detect the orientation of a the pictures you take and will save this information in the 'Orientation' EXIF field. Apache::Gallery will then automatically rotate your images.

This behavior is default but can be disabled by setting GalleryAutoRotate to 0.

GalleryCacheDir

Directory where Apache::Gallery should create its cache with scaled pictures. The default is /var/cache/www/ . Here, a directory for each virtualhost or location will be created automatically. Make sure your webserver has write access to the CacheDir.

GalleryTemplateDir

Full path to the directory where you placed the templates. This option can be used both in your global configuration and in .htaccess files, this way you can have different layouts in different parts of your gallery.

No default value, this option is required.

GalleryInfo

With this option you can define which EXIF information you would like to present from the image. The format is: '<MyName => KeyInEXIF, MyOtherName => OtherKeyInEXIF'

Examples of keys: ShutterSpeedValue, ApertureValue, SubjectDistance, and Camera

You can view all the keys from the EXIF header using this perl-oneliner:

perl -e 'use Data::Dumper; use Image::Info qw(image_info); print Dumper(image_info(shift));' filename.jpg

Default is: 'Picture Taken => DateTimeOriginal, Flash => Flash'

GallerySizes

Defines which widths images can be scaled to. Images cannot be scaled to other widths than the ones you define with this option.

The default is '640 800 1024 1600'

GalleryThumbnailSize

Defines the width and height of the thumbnail images.

Defaults to '100x75'

GalleryThumbnailSizeLS

If set to '1', GalleryThumbnailSize is the long and the short side of the thumbnail image instead of the width and height.

Defaults to '0'.

GalleryCopyrightImage

Image you want to blend into your images in the lower right corner. This could be a transparent png saying "copyright my name 2001".

Optional.

GalleryWrapNavigation

Make the navigation in the picture view wrap around (So Next at the end displays the first picture, etc.)

Set to 1 or 0, default is 0

GalleryAllowOriginal

Allow the user to download the Original picture without resizing or putting the CopyrightImage on it.

Set to 1 or 0, default is 0

GallerySlideshowIntervals

With this option you can configure which intervals can be selected for a slideshow. The default is '3 5 10 15 30'

GallerySortBy

Instead of the default filename ordering you can sort by any stat attribute. For example size, atime, mtime, ctime.

GalleryDirSortBy

Set this variable to sort directories differently than other items, can be set to size, atime, mtime and ctime; setting any other value will revert to sorting by name.

GalleryMemoize

Cache EXIF data using Memoize - this will make Apache::Gallery faster when many people access the same images, but it will also cache EXIF data until the current Apache child dies.

GalleryUseFileDate

Set this option to 1 to make A::G show the files timestamp instead of the EXIF value for "Picture taken".

GallerySelectionMode

Enable the selection mode. Select images with checkboxes and get a list of filenames.

GalleryEXIFMode

You can choose how Apache::Gallery should display EXIF info from your images.

The default setting is 'namevalue'. This setting will make Apache::Gallery print out the names and values of the EXIF values you configure with GalleryInfo. The information will be parsed into $INFO in pictureinfo.tpl.

You can also set it to 'values' which will make A::G parse the configured values into the var $EXIFVALUES as 'value | value | value'

If you set this option to 'variables' the items you configure in GalleryInfo will be available to your templates as $EXIF_<KEYNAME> (in all uppercase). That means that with the default setting "Picture Taken => DateTimeOriginal, Flash => Flash" you will have the variables $EXIF_DATETIMEORIGINAL and $EXIF_FLASH available to your templates. You can place them anywhere you want.

GalleryRootPath

Change the location of gallery root. The default is ""

GalleryRootText

Change the name that appears as the root element in the menu. The default is "root:"

GalleryMaxThumbnailsPerPage

This options controls how many thumbnails should be displayed in a page. It requires $BROWSELINKS to be in the index.tpl template file.

GalleryImgFile

Pattern matching the files you want Apache::Gallery to view in the index as thumbnails.

The default is '\.(jpe?g|png|tiff?|ppm)$'

GalleryDocFile

Pattern matching the files you want Apache::Gallery to view in the index as normal files. All other filetypes will still be served by Apache::Gallery but are not visible in the index.

The default is '\.(mpe?g|avi|mov|asf|wmv|doc|mp3|ogg|pdf|rtf|wav|dlt|txt|html?|csv|eps)$'

GalleryTTFDir

To use the GalleryCopyrightText feature you must set this option to the directory where your True Type fonts are stored. No default is set.

Example:

PerlSetVar      GalleryTTFDir '/usr/share/fonts/'

GalleryTTFFile

To use the GalleryCopyrightText feature this option must be set to the name of the True Type font you wish to use. Example:

PerlSetVar      GalleryTTFFile 'verdanab.ttf'

GalleryTTFSize

Configure the size of the CopyrightText that will be inserted as copyright notice in the corner of your pictures.

Example:

PerlSetVar      GalleryTTFSize '10'

GalleryCopyrightText

The text that will be inserted as copyright notice.

Example:

PerlSetVar      GalleryCopyrightText '(c) Michael Legart'

GalleryCopyrightColor

The text color of your copyright notice.

Examples:

White: PerlSetVar GalleryCopyrightColor '255,255,255,255'

Black: PerlSetVar GalleryCopyrightColor '0,0,0,255'

Red: PerlSetVar GalleryCopyrightColor '255,0,0,255'

Green: PerlSetVar GalleryCopyrightColor '0,255,0,255'

Blue: PerlSetVar GalleryCopyrightColor '0,0,255,255'

Transparent orange: PerlSetVar GalleryCopyrightColor '255,127,0,127'

GalleryCopyrightBackgroundColor

The background-color of a GalleryCopyrightText

r,g,b,a - for examples, see GalleryCopyrightColor

GalleryQuality

The quality (1-100) of scaled images

This setting affects the quality of the scaled images. Set this to a low number to reduce the size of the scaled images. Remember to clear out your cache if you change this setting. Quality seems to default to 75, at least in the jpeg and png loader code in Imlib2 1.1.0.

Examples:

Quality at 50: PerlSetVar GalleryQuality '50'

GalleryUnderscoresToSpaces

Set this option to 1 to convert underscores to spaces in the listing of directory and file names, as well as in the alt attribute for HTML <img> tags.

GalleryCommentExifKey: Set this option to e.g. ImageDescription to use this field as comments for images.
GalleryEnableMediaRss: Set this option to 1 to enable generation of a media RSS feed. This can be used e.g. together with the PicLens plugin from http://piclens.com

FEATURES

Rotate images

Some cameras, like the Canon G3, detects the orientation of a picture and adds this info to the EXIF header. Apache::Gallery detects this and automatically rotates images with this info.

If your camera does not support this, you can rotate the images manually, This can also be used to override the rotate information from a camera that supports that. You can also disable this behavior with the GalleryAutoRotate option.

To use this functionality you have to create file with the name of the picture you want rotated appended with ".rotate". The file should include a number where these numbers are supported:

"1", rotates clockwise by 90 degree
"2", rotates clockwise by 180 degrees
"3", rotates clockwise by 270 degrees

So if we want to rotate "Picture1234.jpg" 90 degrees clockwise we would create a file in the same directory called "Picture1234.jpg.rotate" with the number 1 inside of it.

Ignore directories/files

To ignore a directory or a file (of any kind, not only images) you create a <directory|file>.ignore file.

Comments

To include comments for a directory you create a <directory>.comment file where the first line can contain "TITLE: New title" which will be the title of the page, and a comment on the following lines. To include comments for each picture you create files called picture.jpg.comment where the first line can contain "TITLE: New title" which will be the title of the page, and a comment on the following lines.

Example:

TITLE: This is the new title of the page
And this is the comment.<br />
And this is line two of the comment.

The visible name of the folder is by default identical to the name of the folder, but can be changed by creating a file <directory>.folder with the visible name of the folder.

It is also possible to set GalleryCommentExifKey to the name of an EXIF field containing the comment, e.g. ImageDescription. The EXIF comment is overridden by the .comment file if it exists.

DEPENDENCIES

Perl 5
Apache with mod_perl
URI::Escape
Image::Info
Image::Size
Text::Template
Image::Imlib2
X11 libraries (ie, XFree86)
Imlib2 Remember the -dev package when using rpm, deb or other package formats!

AUTHOR

Michael Legart <michael@legart.dk>

COPYRIGHT AND LICENSE

Templates designed by Thomas Kjaer <tk@lnx.dk>

Apache::Gallery is free software and is released under the Artistic License. See http://www.perl.com/language/misc/Artistic.html for details.

The video icons are from the GNOME project. http://www.gnome.org/

THANKS

Thanks to Thomas Kjaer for templates and design of http://apachegallery.dk Thanks to Thomas Eibner and other for patches. (See the Changes file)

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NAME

SYNOPSIS

DESCRIPTION

CONFIGURATION

FEATURES

DEPENDENCIES

AUTHOR

COPYRIGHT AND LICENSE

THANKS

SEE ALSO

Module Install Instructions