/*

 * Copyright 2020 Google Inc.

 *

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

 * found in the LICENSE file.

 */

#ifndef SkSVGFeBlend_DEFINED

#define SkSVGFeBlend_DEFINED

#include "include/core/SkRefCnt.h"

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

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

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

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

#include <vector>

class SkImageFilter;

class SkSVGFilterContext;

class SkSVGRenderContext;

class SK_API SkSVGFeBlend : public SkSVGFe {

public:

    enum class Mode {

        kNormal,

        kMultiply,

        kScreen,

        kDarken,

        kLighten,

    };

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

    SVG_ATTR(Mode, Mode, Mode::kNormal)

    SVG_ATTR(In2, SkSVGFeInputType, SkSVGFeInputType())

protected:

    sk_sp<SkImageFilter> onMakeImageFilter(const SkSVGRenderContext&,

                                           const SkSVGFilterContext&) const override;

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

        return {this->getIn(), this->getIn2()};

    }

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

private:

    SkSVGFeBlend() : INHERITED(SkSVGTag::kFeBlend) {}

    using INHERITED = SkSVGFe;

};

#endif  // SkSVGFeBlend_DEFINED