Fix issue of showing image incorrectly. - It is discussed in ticket #23 that objects are refreshed partially. - It is actually only for image since multiple image share a image paint, it will modify sampling matrix when they transforming. Values of later ones would over-write eariler ones. - It is fixed by move matrix setting until drawing.

if X_BACKEND
SUBDIRS = calculator tank drag
if SH_TEXT
SUBDIRS += svg2code_ex dynamic menu
endif
endif