7 calls to image_toolkit_invoke()

image_crop in drupal/includes/image.inc
Crops an image to a rectangle specified by the given dimensions.
image_desaturate in drupal/includes/image.inc
Converts an image to grayscale.
image_get_info in drupal/includes/image.inc
Gets details about an image.
image_load in drupal/includes/image.inc
Loads an image file and returns an image object.
image_resize in drupal/includes/image.inc
Resizes an image to the given dimensions (ignoring aspect ratio).
image_rotate in drupal/includes/image.inc
Rotates an image by the given number of degrees.
image_save in drupal/includes/image.inc
Closes the image and saves the changes to a file.