View source for Documentation/Snapshot/Developers/Tutorials/ExtensionWriting

= Introduction =

An extension should be considered as a collection of modules.

* [[media:AHM-2011-SlicerExtensions-final.ppt|How to create plug-ins for Slicer 4]]

== Metadata ==

== Extension dependencies ==

<pre>
set(EXTENSION_DEPENDS NA) # Specified as a space separated list or 'NA' if any
</pre>

== Additional C/CXX flags ==

<pre>
find_package(Slicer REQUIRED)

# Additional C/CXX flags - Should be defined before including Slicer_USE_FILE
set(ADDITIONAL_C_FLAGS "" CACHE STRING "Additional ${EXTENSION_NAME} C Flags")
set(ADDITIONAL_CXX_FLAGS "" CACHE STRING "Additional ${EXTENSION_NAME} CXX Flags")

include(${Slicer_USE_FILE})
</pre>

== License & Readme ==

<pre>
set(EXTENSION_LICENSE_FILE ${Slicer_LICENSE_FILE})
set(EXTENSION_README_FILE ${Slicer_README_FILE})
set(EXTENSION_LICENSE_SHORT_DESCRIPTION ${Slicer_LICENSE_SHORT_DESCRIPTION})
</pre>

== Superbuild extension  - Package external project ==
<pre>
set(CPACK_INSTALL_CMAKE_PROJECTS "${CPACK_INSTALL_CMAKE_PROJECTS};${CMAKE_BINARY_DIR};${EXTENSION_NAME};ALL;/")
#set(CPACK_INSTALL_CMAKE_PROJECTS "${CPACK_INSTALL_CMAKE_PROJECTS};${<EP>_DIR};<EP>;RuntimeLibraries;/")
INCLUDE(${Slicer_EXTENSION_CPACK})
</pre>

= Editor Extensions =
*[[Documentation/4.0/EditorExtension|Step-by-step instructions for an Editor Extension]]