| image_get_available_toolkits | includes/image.inc | Return a list of available toolkits. |
| image_get_toolkit | includes/image.inc | Retrieve the name of the currently used toolkit. |
| image_toolkit_invoke | includes/image.inc | Invokes the given method using the currently selected toolkit. |
| system_image_toolkit_settings | modules/system/system.admin.inc | Form builder; Configure site image toolkit usage.
See alsosystem_settings_form() |
| system_settings_form | modules/system/system.module | Add default buttons to a form and set its prefix.
See alsosystem_settings_form_submit() |
| t | includes/common.inc | Translate strings to the page language or a given language. |
| variable_get | includes/bootstrap.inc | Return a persistent variable. |
| variable_set | includes/bootstrap.inc | Set a persistent variable. |
