Here is a Frameworks for managing images. Frameworks that is based on PHP class WIDEimage and has been optimized for Xoops.
Version: 1.01Minimum requirements
PHP 5.2 or 5.3
GD2 library
Features
Loading Images
Save images
Adds noise to the image
Allocate a color by RGB values
Applies convolution matrix
Applies a filter
grayscale copy of the image
a negative of the image
Performs an auto-crop on the image
Corrects gamma on the image
Returns a cropped rectangular portion of the image
flipped (mirrored over horizontal line) copy of the image
Retrieve an image with selected channels
A method lays the overlay (watermark) on the image
Returns a mirrored copy of the image
Resize the image to given dimensions.
Resizes the canvas of the image
Rotate the image
Returns an image with round corners
Documentation
You can find a documentation for developpers here in french and english.
Download
You can download here