/*

 * Copyright 2024 Google Inc.

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef SkSVGFeMerge_DEFINED

#define SkSVGFeMerge_DEFINED

#include "include/core/SkRefCnt.h"

#include "include/private/base/SkAPI.h"

#include "modules/svg/include/SkSVGFe.h"

#include "modules/svg/include/SkSVGHiddenContainer.h"

#include "modules/svg/include/SkSVGNode.h"

#include "modules/svg/include/SkSVGTypes.h"

#include <vector>

class SkImageFilter;

class SkSVGFilterContext;

class SkSVGRenderContext;

// https://www.w3.org/TR/SVG11/filters.html#feMergeNodeElement

class SK_API SkSVGFeMergeNode : public SkSVGHiddenContainer {

public:

    static constexpr SkSVGTag tag = SkSVGTag::kFeMergeNode;

    static sk_sp<SkSVGFeMergeNode> Make() {

        return sk_sp<SkSVGFeMergeNode>(new SkSVGFeMergeNode());

    }

    SVG_ATTR(In, SkSVGFeInputType, SkSVGFeInputType())

protected:

    bool parseAndSetAttribute(const char*, const char*) override;

private:

    SkSVGFeMergeNode() : INHERITED(tag) {}

    using INHERITED = SkSVGHiddenContainer;

};

// https://www.w3.org/TR/SVG11/filters.html#feMergeElement

class SK_API SkSVGFeMerge : public SkSVGFe {

public:

    static constexpr SkSVGTag tag = SkSVGTag::kFeMerge;

    static sk_sp<SkSVGFeMerge> Make() { return sk_sp<SkSVGFeMerge>(new SkSVGFeMerge()); }

protected:

    sk_sp<SkImageFilter> onMakeImageFilter(const SkSVGRenderContext&,

                                           const SkSVGFilterContext&) const override;

    std::vector<SkSVGFeInputType> getInputs() const override;

private:

    SkSVGFeMerge() : INHERITED(tag) {}

    using INHERITED = SkSVGFe;

};

#endif //  SkSVGFeMerge_DEFINED