A repository of extensions for GIMP, the FREE and Open Source image manipulation program.

hint: tags and commas

I've seen this in a few plugins already, so I thought I'd mention it: Tags have to be separated by comma (","). Whitespace is not enough! This is because two-or-more-word tags are actually valid in Drupal.

colortemp

This script converts the color temperature of an image. You can specify the color temperature of the original image, and the desired color temperature of the result, as well as a brightness correction factor. The script installs itself under the menu Filters/Colors/Convert Color Temperature.

The full documentation for the script is available at http://luca.dealfaro.org/Colortemp

The script works for Gimp 2.2, 2.4, and 2.6 .

whitebalance

This script converts the colors of an image, so that the foreground color (chosen, e.g., with the color picker tool) is either transformed to gray, or to the background color. The script can be used to remove color casts. The script installs itself under the menu Filters/Colors/White balance.

The documentation for the script is available at
http://luca.dealfaro.org/Whitebalance

The script works for Gimp 2.2, 2.4, and 2.6 .

DDS

This is a plugin for GIMP version 2.x. It allows you to load and save images in DirectDraw Surface (DDS) format.
Source code and binaries for GIMP for windows can be downloaded from the home page.
Home page: http://code.google.com/p/gimp-dds/

normalmap

This is a plugin for GIMP version 2.0 and above. It allows you to convert images into RGB normal maps for use in per-pixel lighting applications. The goal is to completely clone NVIDIA's photoshop plugin, with a few new useful features. Downloads can be found on the project home page.
Home page: http://code.google.com/p/gimp-normalmap/

Formulas

This simple plugin allows you to change the values of each color channel of each pixel of a layer by using mathematical expressions.
It is able to handle RGB* and Gray* images. Available operators are: +, -, *, /, , and %.
There are many functions available, such as sin, cos, sqrt, abs, min, max.
A few constants are provided (pi, e, j), and a lot of pre-defined variables are usable (w for image's width, h for image's height, x and y for cartesian coordinates in the image, etc.).

Border invert

It inverts the borders of the objects.

Invierte los bordes de los objetos.

- GIMP 2.4


Image modified

Original

blackboard effect

It creates a effect like a blackboard painting. It is very simple, it works with three layers, the top is in hue mode, the middle is in saturation and the bottom layer has a Sobel filter and is equalized. It can work on copy. Is based on Simon Budig sample script. It has a BSD license.

Crea un efecto parecido al de pintar en una pizarra. Es simple, trabaja con tres capas, la superior está en modo tono, la del medio en modo saturación y a la inferior se la aplica un filtro Sobel y luego se ecualiza. Permite trabajar en copia y tiene una licencia BSD.

- GIMP 2.4

Blur Map

Applies Gaussian blurs using different radii for different parts of the image, according to a map.

Paste as new layer

Quickly and easily paste into a new layer. Accessible from the Edit menu.

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