diff options
Diffstat (limited to 'funtools/filter/filter_pyh.py')
| -rw-r--r-- | funtools/filter/filter_pyh.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/funtools/filter/filter_pyh.py b/funtools/filter/filter_pyh.py new file mode 100644 index 0000000..fb98196 --- /dev/null +++ b/funtools/filter/filter_pyh.py @@ -0,0 +1,22 @@ +# from regions.h -- no idea what it is ... +xsno=3 + +# ... but its important! +maxshapes=(nshape*(xsno+1))+1 + +# ctypes struct definitions (taken from filter.h) +class filtmask(Structure): + _fields_ = [('region', c_int), ('y', c_int), ('xstart', c_int), ('xstop', c_int)] + +class scanrec(Structure): + pass + +# this is how you add a forward pointer +scanrec._fields_ = [ ('next', POINTER(scanrec)), ('x', c_int) ] + +class shaperec(Structure): + _fields_ = [ ('init', c_int), ('ystart', c_double), ('ystop', c_double), ('scanlist', c_void_p), ('nv', c_int), ('xv', c_void_p), ('r1sq', c_double), ('r2sq', c_double), ('angl', c_double), ('sinangl', c_double), ('cosangl', c_double), ('cossq', c_double), ('sinsq', c_double), ('xradsq', c_double), ('yradsq', c_double), ('a', c_double), ('npt', c_int), ('pts', c_void_p), ('xonly', c_int), ('x1', c_double), ('x2', c_double), ('y1', c_double), ('invslope', c_double)] + +class gfiltrec(Structure): + _fields_ = [('nshapes', c_int), ('maxshapes', c_int), ('shapes', POINTER(shaperec * maxshapes)), ('rid', c_int), ('usebinsiz', c_int), ('evsect', c_char_p), ('tlminx', c_double), ('tlminy', c_double), ('binsizx', c_double), ('binsizy', c_double), ('tloff', c_double), ('xmin', c_int), ('xmax', c_int), ('ymin', c_int), ('ymax', c_int), ('block', c_int), ('x0', c_int), ('x1', c_int), ('y0', c_int), ('y1', c_int), ('ybuf', POINTER(c_int)), ('x0s', POINTER(c_int)), ('x1s', POINTER(c_int)), ('nmask', c_int), ('maskdim', c_int), ('masks', POINTER(filtmask))] + |