зеркало из https://github.com/mozilla/gecko-dev.git
40 строки
1.5 KiB
C++
40 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "LayerAnimationUtils.h"
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#include "mozilla/ComputedTimingFunction.h" // For ComputedTimingFunction
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#include "mozilla/layers/LayersMessages.h" // For TimingFunction etc.
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#include "nsTimingFunction.h"
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namespace mozilla {
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namespace layers {
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/* static */ Maybe<ComputedTimingFunction>
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AnimationUtils::TimingFunctionToComputedTimingFunction(
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const TimingFunction& aTimingFunction) {
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switch (aTimingFunction.type()) {
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case TimingFunction::Tnull_t:
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return Nothing();
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case TimingFunction::TCubicBezierFunction: {
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CubicBezierFunction cbf = aTimingFunction.get_CubicBezierFunction();
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return Some(ComputedTimingFunction::CubicBezier(cbf.x1(), cbf.y1(),
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cbf.x2(), cbf.y2()));
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}
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case TimingFunction::TStepFunction: {
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StepFunction sf = aTimingFunction.get_StepFunction();
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StyleStepPosition pos = static_cast<StyleStepPosition>(sf.type());
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return Some(ComputedTimingFunction::Steps(sf.steps(), pos));
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}
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default:
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MOZ_ASSERT_UNREACHABLE("Function must be null, bezier, step or frames");
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break;
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}
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return Nothing();
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}
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} // namespace layers
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} // namespace mozilla
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