| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef CSSHelper_h |
| #define CSSHelper_h |
| |
| #include "platform/wtf/Forward.h" |
| |
| namespace blink { |
| |
| const double kMillimetersPerCentimeter = 10; |
| const double kCentimetersPerInch = 2.54; |
| const double kMillimetersPerInch = 25.4; |
| const double kPointsPerInch = 72; |
| const double kPicasPerInch = 6; |
| |
| // These conversions are defined in css-values |
| const double kCssPixelsPerInch = 96; |
| const double kCssPixelsPerCentimeter = kCssPixelsPerInch / kCentimetersPerInch; |
| const double kCssPixelsPerMillimeter = |
| kCssPixelsPerCentimeter / kMillimetersPerCentimeter; |
| const double kCssPixelsPerPoint = kCssPixelsPerInch / kPointsPerInch; |
| const double kCssPixelsPerPica = kCssPixelsPerInch / kPicasPerInch; |
| |
| } // namespace blink |
| |
| #endif // CSSHelper_h |