int GeoLayer::bezier(int16_t *vx, int16_t *vy, int num_vertex, int steps, uint32_t col) {
if(!surf) {
error("%s can't run: layer not initialized", __PRETTY_FUNCTION__);
return -1;
}
res = bezierColor(surf, vx, vy, num_vertex, steps, col);
if(res < 0) error("error in %s", __PRETTY_FUNCTION__);
return(res);
}
static PyObject*
_gfx_beziercolor (PyObject *self, PyObject* args)
{
PyObject *surface, *color, *points, *item;
Sint16 *vx, *vy;
int x, y;
Py_ssize_t count, i;
int ret, steps;
pguint32 c;
ASSERT_VIDEO_INIT (NULL);
if (!PyArg_ParseTuple (args, "OOiO:bezier", &surface, &points, &steps,
&color))
return NULL;
if (!PySDLSurface_Check (surface))
{
PyErr_SetString (PyExc_TypeError, "surface must be a Surface");
return NULL;
}
if (!PySequence_Check (points))
{
PyErr_SetString (PyExc_TypeError, "points must be a sequence");
return NULL;
}
count = PySequence_Size (points);
if (count < 3)
{
PyErr_SetString (PyExc_ValueError,
"points must contain more than 2 points");
return NULL;
}
if (!ColorFromObj (color, &c))
return NULL;
vx = PyMem_New (Sint16, (size_t) count);
vy = PyMem_New (Sint16, (size_t) count);
if (!vx || !vy)
{
PyErr_SetString (PyExc_MemoryError, "memory allocation failed");
if (vx)
PyMem_Free (vx);
if (vy)
PyMem_Free (vy);
return NULL;
}
for (i = 0; i < count; i++)
{
item = PySequence_ITEM (points, i);
if (!PointFromObj (item, &x, &y))
{
PyMem_Free (vx);
PyMem_Free (vy);
Py_XDECREF (item);
return NULL;
}
Py_DECREF (item);
vx[i] = (Sint16)x;
vy[i] = (Sint16)y;
}
Py_BEGIN_ALLOW_THREADS;
ret = bezierColor (((PySDLSurface*)surface)->surface, vx, vy, (int)count,
steps, (Uint32)c);
Py_END_ALLOW_THREADS;
PyMem_Free (vx);
PyMem_Free (vy);
if (ret == -1)
{
PyErr_SetString (PyExc_PyGameError, SDL_GetError ());
return NULL;
}
Py_RETURN_NONE;
}
