WebCore/TimingFunction.h

   1 /*
   2  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
   3  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
   4  *           (C) 2000 Dirk Mueller (mueller@kde.org)
   5  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
   6  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Library General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Library General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Library General Public License
  19  * along with this library; see the file COPYING.LIB.  If not, write to
  20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21  * Boston, MA 02110-1301, USA.
  22  *
  23  */
  24
  25 #ifndef TimingFunction_h
  26 #define TimingFunction_h
  27
  28 #include "RenderStyleConstants.h"
  29
  30 namespace WebCore {
  31
  32 struct TimingFunction {
  33     TimingFunction()
  34         : m_type(CubicBezierTimingFunction)
  35         , m_x1(0.25)
  36         , m_y1(0.1)
  37         , m_x2(0.25)
  38         , m_y2(1.0)
  39     {
  40     }
  41
  42     TimingFunction(ETimingFunctionType timingFunction, double x1 = 0.0, double y1 = 0.0, double x2 = 1.0, double y2 = 1.0)
  43         : m_type(timingFunction)
  44         , m_x1(x1)
  45         , m_y1(y1)
  46         , m_x2(x2)
  47         , m_y2(y2)
  48     {
  49     }
  50
  51     bool operator==(const TimingFunction& o) const
  52     {
  53         return m_type == o.m_type && m_x1 == o.m_x1 && m_y1 == o.m_y1 && m_x2 == o.m_x2 && m_y2 == o.m_y2;
  54     }
  55
  56     double x1() const { return m_x1; }
  57     double y1() const { return m_y1; }
  58     double x2() const { return m_x2; }
  59     double y2() const { return m_y2; }
  60
  61     ETimingFunctionType type() const { return m_type; }
  62
  63 private:
  64     ETimingFunctionType m_type;
  65
  66     double m_x1;
  67     double m_y1;
  68     double m_x2;
  69     double m_y2;
  70 };
  71
  72 } // namespace WebCore
  73
  74 #endif // TimingFunction_h