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path: root/Source/WebCore/platform/animation/TimingFunction.cpp
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/*
 * Copyright (C) 2015 Apple Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "TimingFunction.h"

#include "TextStream.h"

namespace WebCore {

TextStream& operator<<(TextStream& ts, const TimingFunction& timingFunction)
{
    switch (timingFunction.type()) {
    case TimingFunction::LinearFunction:
        ts << "linear";
        break;
    case TimingFunction::CubicBezierFunction: {
        const CubicBezierTimingFunction& cubicBezierFunction = static_cast<const CubicBezierTimingFunction&>(timingFunction);
        ts << "cubic-bezier(" << cubicBezierFunction.x1() << ", " << cubicBezierFunction.y1() << ", " <<  cubicBezierFunction.x2() << ", " << cubicBezierFunction.y2() << ")";
        break;
    }
    case TimingFunction::StepsFunction: {
        const StepsTimingFunction& stepsFunction = static_cast<const StepsTimingFunction&>(timingFunction);
        ts << "steps(" << stepsFunction.numberOfSteps() << ", " << (stepsFunction.stepAtStart() ? "start" : "end") << ")";
        break;
    }
    }
    return ts;
}

} // namespace WebCore