extrafilters.pro Example File

 TEMPLATE      = lib
 CONFIG       += plugin
 INCLUDEPATH  += ../..
 HEADERS       = extrafiltersplugin.h
 SOURCES       = extrafiltersplugin.cpp
 OTHER_FILES  += extrafilters.json
 TARGET        = $$qtLibraryTarget(pnp_extrafilters)
 DESTDIR       = ../../plugandpaint/plugins

 # install
 target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/tools/plugandpaint/plugins
 sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS extrafilters.pro
 sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/tools/plugandpaintplugins/extrafilters
 INSTALLS += target sources

 QT += widgets