chromium/third_party/skia/modules/skottie/src/effects/ShiftChannelsEffect.cpp

/*
 * Copyright 2019 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/core/SkColorFilter.h"
#include "include/core/SkRefCnt.h"
#include "include/private/SkColorData.h"
#include "include/private/base/SkTPin.h"
#include "modules/skottie/src/SkottiePriv.h"
#include "modules/skottie/src/SkottieValue.h"
#include "modules/skottie/src/animator/Animator.h"
#include "modules/skottie/src/effects/Effects.h"
#include "modules/sksg/include/SkSGColorFilter.h"
#include "modules/sksg/include/SkSGRenderNode.h"

#include <array>
#include <cstddef>
#include <cstdint>
#include <utility>

namespace skjson {
class ArrayValue;
}

namespace skottie {
namespace internal {

namespace {

/*
 * AE's Shift Channels effect overrides individual channels based on a selectable function:
 *
 *     C' = {fR(C), fG(C), fB(C), fA(C)}
 *
 * where fR, fG, fB, fA can be one of
 *
 *     C.r, C.g, C.b, C.a, Luminance(C), Hue(C), Saturation(C), Lightness(C), 1 or 0.
 */
class ShiftChannelsEffectAdapter final : public AnimatablePropertyContainer { … };

} // namespace


sk_sp<sksg::RenderNode> EffectBuilder::attachShiftChannelsEffect(
        const skjson::ArrayValue& jprops, sk_sp<sksg::RenderNode> layer) const { … }

} // namespace internal
} // namespace skottie