/*
 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
 * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
 * Copyright (C) 2014 Adobe Systems Incorporated. All rights reserved.
 * Copyright (C) 2021-2023 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#pragma once

#include "FilterEffect.h"
#include "GraphicsTypes.h"

namespace WebCore {

class FEBlend final : public FilterEffect {
    WTF_MAKE_FAST_ALLOCATED;
    WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(FEBlend);
public:
    WEBCORE_EXPORT static Ref<FEBlend> create(BlendMode, DestinationColorSpace = DestinationColorSpace::SRGB());

    bool operator==(const FEBlend&) const;

    BlendMode blendMode() const { return m_mode; }
    bool setBlendMode(BlendMode);

private:
    FEBlend(BlendMode, DestinationColorSpace);

    bool operator==(const FilterEffect& other) const override { return areEqual<FEBlend>(*this, other); }

    unsigned numberOfEffectInputs() const override { return 2; }

    std::unique_ptr<FilterEffectApplier> createSoftwareApplier() const override;

    WTF::TextStream& externalRepresentation(WTF::TextStream&, FilterRepresentation) const override;

    BlendMode m_mode;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_FILTER_FUNCTION(FEBlend)
