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 25 namespace 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. stableRound(double d)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