/*

 * 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 SkSVGFeMorphology_DEFINED

#define SkSVGFeMorphology_DEFINED

#include "include/core/SkRefCnt.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 SkSVGFeMorphology : public SkSVGFe {

public:

    struct Radius {

        SkSVGNumberType fX;

        SkSVGNumberType fY;

    };

    enum class Operator {

        kErode,

        kDilate,

    };

    static sk_sp<SkSVGFeMorphology> Make() {

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

    }

    SVG_ATTR(Operator, Operator, Operator::kErode)

    SVG_ATTR(Radius  , Radius  , Radius({0, 0}))

protected:

    sk_sp<SkImageFilter> onMakeImageFilter(const SkSVGRenderContext&,

                                           const SkSVGFilterContext&) const override;

    std::vector<SkSVGFeInputType> getInputs() const override { return {this->getIn()}; }

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

private:

    SkSVGFeMorphology() : INHERITED(SkSVGTag::kFeMorphology) {}

    using INHERITED = SkSVGFe;

};

#endif  // SkSVGFeMorphology_DEFINED