note_t transpose_note(transpose_t transpose, note_t note) {
note_tone_t tone = (note_tone(note) + transpose_tones(transpose)) % 12;
note_letter_t letter = (note_letter(note) + transpose_letters(transpose) - 1) % 7 + 1;
note_accidental_t accidental = NOTE_ACCIDENTAL_NATURAL + (tone + 18 - note_letter_tone(letter)) % 12 - 6;
return note_create(letter, accidental);
}
static PyObject *cboodle_create_note(PyObject *self, PyObject *args)
{
sample_t *samp;
char *sampstr;
int samplen;
double pitch;
double volume;
stereo_t pan;
long starttime;
long retval;
PyObject *channel, *removefunc;
if (!PyArg_ParseTuple(args, "s#ddddddlOO:create_note",
&sampstr, &samplen,
&pitch, &volume,
&pan.scalex, &pan.shiftx, &pan.scaley, &pan.shifty,
&starttime, &channel, &removefunc))
return NULL;
if (!sampstr || samplen != sizeof(sample_t *)) {
PyErr_SetString(PyExc_TypeError,
"create_note: argument must be a string returned by new_sample");
return NULL;
}
samp = *((sample_t **)sampstr);
retval = note_create(samp, pitch, volume, &pan, starttime, channel, removefunc);
return Py_BuildValue("l", retval);
}
