C++ (Cpp) MCExecContext::ConvertToReal Examples

Example #1

File: exec-array.cpp Project: alilloyd/livecode

bool MCArraysCopyMatrix(MCExecContext& ctxt, MCArrayRef self, matrix_t*& r_matrix)
{
	MCAutoArray<array_extent_t> t_extents;
	if (!MCArraysCopyExtents(self, t_extents.PtrRef(), t_extents.SizeRef()) ||
		t_extents.Size() != 2)
		return false;

	integer_t t_rows = extent_size(t_extents[0]);
	integer_t t_cols = extent_size(t_extents[1]);

	integer_t t_row_offset = t_extents[0].min;
	integer_t t_col_offset = t_extents[1].min;

	if (MCArrayGetCount(self) != t_rows * t_cols)
		return false;

	MCAutoPointer<matrix_t> t_matrix;
	if (!MCMatrixNew(t_rows, t_cols, t_row_offset, t_col_offset, &t_matrix))
		return false;

	for (integer_t row = 0; row < t_rows; row++)
	{
		for (integer_t col = 0; col < t_cols; col++)
		{
			MCAutoStringRef t_string;
			MCNewAutoNameRef t_name;
			MCValueRef t_value;
			if (!MCStringFormat(&t_string, "%d,%d", row + t_row_offset, col + t_col_offset) ||
				!MCNameCreate(*t_string, &t_name) ||
				!MCArrayFetchValue(self, true, *t_name, t_value) ||
				!ctxt.ConvertToReal(t_value, MCMatrixEntry(*t_matrix, row, col)))
				return false;
		}
	}

	t_matrix.Take(r_matrix);
	return true;
}