Exemple #1
0
/* on error, -1 is returned and no allocation is made */
int mathutils_array_parse_alloc(float **array, int array_min, PyObject *value, const char *error_prefix)
{
	int size;

#if 1 /* approx 6x speedup for mathutils types */

	if ((size = VectorObject_Check(value)     ? ((VectorObject *)value)->size : 0) ||
	    (size = EulerObject_Check(value)      ? 3 : 0) ||
	    (size = QuaternionObject_Check(value) ? 4 : 0) ||
	    (size = ColorObject_Check(value)      ? 3 : 0))
	{
		if (BaseMath_ReadCallback((BaseMathObject *)value) == -1) {
			return -1;
		}

		if (size < array_min) {
			PyErr_Format(PyExc_ValueError,
			             "%.200s: sequence size is %d, expected > %d",
			             error_prefix, size, array_min);
			return -1;
		}
		
		*array = PyMem_Malloc(size * sizeof(float));
		memcpy(*array, ((BaseMathObject *)value)->data, size * sizeof(float));
		return size;
	}
	else
#endif
	{
		PyObject *value_fast = NULL;
		// *array = NULL;
		int ret;

		/* non list/tuple cases */
		if (!(value_fast = PySequence_Fast(value, error_prefix))) {
			/* PySequence_Fast sets the error */
			return -1;
		}

		size = PySequence_Fast_GET_SIZE(value_fast);

		if (size < array_min) {
			PyErr_Format(PyExc_ValueError,
			             "%.200s: sequence size is %d, expected > %d",
			             error_prefix, size, array_min);
			return -1;
		}

		*array = PyMem_Malloc(size * sizeof(float));

		ret = mathutils_array_parse_fast(*array, size, value_fast, error_prefix);

		if (ret == -1) {
			PyMem_Free(*array);
		}

		return ret;
	}
}
Exemple #2
0
/* helper functionm returns length of the 'value', -1 on error */
int mathutils_array_parse(float *array, int array_min, int array_max, PyObject *value, const char *error_prefix)
{
#if 1 /* approx 6x speedup for mathutils types */
	int size;

	if (    (size= VectorObject_Check(value)     ? ((VectorObject *)value)->size : 0) ||
	        (size= EulerObject_Check(value)      ? 3 : 0) ||
	        (size= QuaternionObject_Check(value) ? 4 : 0) ||
	        (size= ColorObject_Check(value)      ? 3 : 0))
	{
		if (BaseMath_ReadCallback((BaseMathObject *)value) == -1) {
			return -1;
		}

		if (size > array_max || size < array_min) {
			if (array_max == array_min)	{
				PyErr_Format(PyExc_ValueError,
				             "%.200s: sequence size is %d, expected %d",
				             error_prefix, size, array_max);
			}
			else {
				PyErr_Format(PyExc_ValueError,
				             "%.200s: sequence size is %d, expected [%d - %d]",
				             error_prefix, size, array_min, array_max);
			}
			return -1;
		}

		memcpy(array, ((BaseMathObject *)value)->data, size * sizeof(float));
		return size;
	}
	else
#endif
	{
		return mathutils_array_parse_fast(array, array_min, array_max, value, error_prefix);
	}
}
Exemple #3
0
/* helper functionm returns length of the 'value', -1 on error */
int mathutils_array_parse(float *array, int array_min, int array_max, PyObject *value, const char *error_prefix)
{
	int size;

#if 1 /* approx 6x speedup for mathutils types */

	if ((size = VectorObject_Check(value)     ? ((VectorObject *)value)->size : 0) ||
	    (size = EulerObject_Check(value)      ? 3 : 0) ||
	    (size = QuaternionObject_Check(value) ? 4 : 0) ||
	    (size = ColorObject_Check(value)      ? 3 : 0))
	{
		if (BaseMath_ReadCallback((BaseMathObject *)value) == -1) {
			return -1;
		}

		if (size > array_max || size < array_min) {
			if (array_max == array_min) {
				PyErr_Format(PyExc_ValueError,
				             "%.200s: sequence size is %d, expected %d",
				             error_prefix, size, array_max);
			}
			else {
				PyErr_Format(PyExc_ValueError,
				             "%.200s: sequence size is %d, expected [%d - %d]",
				             error_prefix, size, array_min, array_max);
			}
			return -1;
		}

		memcpy(array, ((BaseMathObject *)value)->data, size * sizeof(float));
		return size;
	}
	else
#endif
	{
		PyObject *value_fast = NULL;

		/* non list/tuple cases */
		if (!(value_fast = PySequence_Fast(value, error_prefix))) {
			/* PySequence_Fast sets the error */
			return -1;
		}

		size = PySequence_Fast_GET_SIZE(value_fast);

		if (size > array_max || size < array_min) {
			if (array_max == array_min) {
				PyErr_Format(PyExc_ValueError,
				             "%.200s: sequence size is %d, expected %d",
				             error_prefix, size, array_max);
			}
			else {
				PyErr_Format(PyExc_ValueError,
				             "%.200s: sequence size is %d, expected [%d - %d]",
				             error_prefix, size, array_min, array_max);
			}
			Py_DECREF(value_fast);
			return -1;
		}

		return mathutils_array_parse_fast(array, size, value_fast, error_prefix);
	}
}