PDL(3) User Contributed Perl Documentation PDL(3)NAME
Gimp::PDL - Overwrite Tile/Region functions to work with piddles. This module is obsolete, please remove any references to it.
SYNOPSIS
use Gimp;
use Gimp::PDL;
use PDL;
DESCRIPTION
This module overwrites some methods of Gimp::Tile and Gimp::PixelRgn. The new functions return and accept piddles. The last argument
(height) of "gimp_pixel_rgn_set_rect" is calculated from the piddle. There is no other way to access the raw pixeldata in Gimp.
Some exmaples:
$region = $drawable->get->pixel_rgn (0,0, 100,100, 1,0);
$pixel = $region->get_pixel (5,7); # fetches the pixel from (5|7)
print $pixel; # outputs something like
# [255, 127, 0], i.e. in
# RGB format ;)
$region->set_pixel ($pixel * 0.5, 5, 7);# darken the pixel
$rect = $region->get_rect (3,3,70,20); # get a horizontal stripe
$rect = $rect->hclip(255/5)*5; # clip and multiply by 5
$region->set_rect($rect); # and draw it!
undef $region; # and update it!
AUTHOR
Marc Lehmann <pcg@goof.com>
SEE ALSO
Gimp::Pixel, perl(1), Gimp(1).
perl v5.8.0 2000-02-02 PDL(3)
Check Out this Related Man Page
Data(3) User Contributed Perl Documentation Data(3)NAME
Gimp::Data - Set and get state data.
SYNOPSIS
use Gimp::Data;
$Gimp::Data{'value1'} = "Hello";
print $Gimp::Data{'value1'},", World!!
";
DESCRIPTION
With this module, you can access plugin-specific (or global) data in Gimp, i.e. you can store and retrieve values that are stored in the
main Gimp application.
An example would be to save parameter values in Gimp, so that on subsequent invocations of your plug-in, the user does not have to set all
parameter values again (Gimp::Fu does this already).
%Gimp::Data
You can store and retrieve anything you like in this hash. It's contents will automatically be stored in Gimp, and can be accessed in later
invocations of your plug-in. Be aware that other plug-ins store data in the same "hash", so better prefix your key with something unique,
like your plug-in's name. As an example, the Gimp::Fu module uses "function_name/_fu_data" to store its data.
This module might use a persistant implementation, i.e. your data might survive a restart of the Gimp application, but you cannot count on
this.
"Gimp::Data" will try to freeze your data when you pass in a reference. On retrieval, the data is thawed again. See Storable for more info.
This might be implemented through either Storable or Data::Dumper, or not implemented at all (i.e. silently fail) ;)
PERSISTANCE
"Gimp::Data" contains the following functions to ease applications where persistence for perl data structures is required:
Gimp::Data::freeze(reference)
Freeze (serialize) the reference.
Gimp::Data::thaw(data)
Thaw (unserialize) the dsata and return the original reference.
LIMITATIONS
You cannot store references, and you cannot (yet) iterate through the keys (with "keys", "values" or "each").
AUTHOR
Marc Lehmann <pcg@goof.com>
SEE ALSO perl(1), Gimp.
perl v5.8.0 2001-12-06 Data(3)
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