1/*
2 *  Copyright (C) 2007-2009 Torch Mobile, Inc.
3 *
4 *  This library is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU Library General Public
6 *  License as published by the Free Software Foundation; either
7 *  version 2 of the License, or (at your option) any later version.
8 *
9 *  This library is distributed in the hope that it will be useful,
10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 *  Library General Public License for more details.
13 *
14 *  You should have received a copy of the GNU Library General Public License
15 *  along with this library; see the file COPYING.LIB.  If not, write to
16 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 *  Boston, MA 02110-1301, USA.
18 */
19
20#ifndef WinCEGraphicsExtras_h
21#define WinCEGraphicsExtras_h
22
23// This file is used to contain small utilities used by WINCE graphics code.
24
25namespace WebCore {
26    // Always round to same direction. 0.5 is rounded to 1,
27    // and -0.5 (0.5 - 1) is rounded to 0 (1 - 1), so that it
28    // is consistent when transformation shifts.
29    static inline int stableRound(double d)
30    {
31        if (d > 0)
32            return static_cast<int>(d + 0.5);
33
34        int i = static_cast<int>(d);
35        return i - d > 0.5 ? i - 1 : i;
36    }
37}
38
39#endif WinCEGraphicsExtras_h
40