gecko-dev/layout/style/nsTimingFunction.h

45 строки
1.2 KiB
C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsTimingFunction_h
#define nsTimingFunction_h
#include "mozilla/ServoStyleConsts.h"
struct nsTimingFunction
{
mozilla::StyleComputedTimingFunction mTiming;
explicit nsTimingFunction(mozilla::StyleTimingKeyword aKeyword =
mozilla::StyleTimingKeyword::Ease)
: mTiming(mozilla::StyleComputedTimingFunction::Keyword(aKeyword))
{
}
nsTimingFunction(float x1, float y1, float x2, float y2)
: mTiming(mozilla::StyleComputedTimingFunction::CubicBezier(x1, y1, x2, y2))
{
}
bool IsLinear() const
{
return mTiming.IsKeyword() &&
mTiming.keyword._0 == mozilla::StyleTimingKeyword::Linear;
}
bool operator==(const nsTimingFunction& aOther) const
{
return mTiming == aOther.mTiming;
}
bool operator!=(const nsTimingFunction& aOther) const
{
return !(*this == aOther);
}
};
#endif // nsTimingFunction_h