/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_SVGFEDisplacementMapElement_h

#define mozilla_dom_SVGFEDisplacementMapElement_h

#include "nsSVGEnum.h"

#include "nsSVGFilters.h"

nsresult NS_NewSVGFEDisplacementMapElement(nsIContent **aResult,

                                           already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);

namespace mozilla {

namespace dom {

typedef nsSVGFE SVGFEDisplacementMapElementBase;

class SVGFEDisplacementMapElement : public SVGFEDisplacementMapElementBase

{

protected:

  friend nsresult (::NS_NewSVGFEDisplacementMapElement(nsIContent **aResult,

                                                       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));

  explicit SVGFEDisplacementMapElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)

    : SVGFEDisplacementMapElementBase(std::move(aNodeInfo))

  {

  }

  virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

public:

  virtual FilterPrimitiveDescription

    GetPrimitiveDescription(nsSVGFilterInstance* aInstance,

                            const IntRect& aFilterSubregion,

                            const nsTArray<bool>& aInputsAreTainted,

                            nsTArray<RefPtr<SourceSurface>>& aInputImages) override;

  virtual bool AttributeAffectsRendering(

          int32_t aNameSpaceID, nsAtom* aAttribute) const override;

  virtual nsSVGString& GetResultImageName() override { return mStringAttributes[RESULT]; }

  virtual void GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources) override;

  virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;

  // WebIDL

  already_AddRefed<SVGAnimatedString> In1();

  already_AddRefed<SVGAnimatedString> In2();

  already_AddRefed<SVGAnimatedNumber> Scale();

  already_AddRefed<SVGAnimatedEnumeration> XChannelSelector();

  already_AddRefed<SVGAnimatedEnumeration> YChannelSelector();

protected:

  virtual bool OperatesOnSRGB(int32_t aInputIndex,

                              bool aInputIsAlreadySRGB) override {

    switch (aInputIndex) {

    case 0:

      return aInputIsAlreadySRGB;

    case 1:

      return SVGFEDisplacementMapElementBase::OperatesOnSRGB(aInputIndex, aInputIsAlreadySRGB);

    default:

      NS_ERROR("Will not give correct color model");

      return false;

    }

  }

  virtual NumberAttributesInfo GetNumberInfo() override;

  virtual EnumAttributesInfo GetEnumInfo() override;

  virtual StringAttributesInfo GetStringInfo() override;

  enum { SCALE };

  nsSVGNumber2 mNumberAttributes[1];

  static NumberInfo sNumberInfo[1];

  enum { CHANNEL_X, CHANNEL_Y };

  nsSVGEnum mEnumAttributes[2];

  static nsSVGEnumMapping sChannelMap[];

  static EnumInfo sEnumInfo[2];

  enum { RESULT, IN1, IN2 };

  nsSVGString mStringAttributes[3];

  static StringInfo sStringInfo[3];

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_SVGFEDisplacementMapElement_h