SVGFEDisplacementMapElement.h

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/* -*- 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 DOM_SVG_SVGFEDISPLACEMENTMAPELEMENT_H_

#define DOM_SVG_SVGFEDISPLACEMENTMAPELEMENT_H_

#include "SVGAnimatedEnumeration.h"

#include "mozilla/dom/SVGFilters.h"

nsresult NS_NewSVGFEDisplacementMapElement(

    nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);

namespace mozilla::dom {

using SVGFEDisplacementMapElementBase = SVGFilterPrimitiveElement;

class SVGFEDisplacementMapElement final

    : 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)) {}

  JSObject* WrapNode(JSContext* aCx,

                     JS::Handle<JSObject*> aGivenProto) override;

 public:

  FilterPrimitiveDescription GetPrimitiveDescription(

      SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,

      const nsTArray<bool>& aInputsAreTainted,

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

  bool AttributeAffectsRendering(int32_t aNameSpaceID,

                                 nsAtom* aAttribute) const override;

  SVGAnimatedString& GetResultImageName() override {

    return mStringAttributes[RESULT];

  void GetSourceImageNames(nsTArray<SVGStringInfo>& aSources) override;

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

  nsresult BindToTree(BindContext& aCtx, nsINode& aParent) override;

  // WebIDL

  already_AddRefed<DOMSVGAnimatedString> In1();

  already_AddRefed<DOMSVGAnimatedString> In2();

  already_AddRefed<DOMSVGAnimatedNumber> Scale();

  already_AddRefed<DOMSVGAnimatedEnumeration> XChannelSelector();

  already_AddRefed<DOMSVGAnimatedEnumeration> 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;

  NumberAttributesInfo GetNumberInfo() override;

  EnumAttributesInfo GetEnumInfo() override;

  StringAttributesInfo GetStringInfo() override;

  enum { SCALE };

  SVGAnimatedNumber mNumberAttributes[1];

  static NumberInfo sNumberInfo[1];

  enum { CHANNEL_X, CHANNEL_Y };

  SVGAnimatedEnumeration mEnumAttributes[2];

  static SVGEnumMapping sChannelMap[];

  static EnumInfo sEnumInfo[2];

  enum { RESULT, IN1, IN2 };

  SVGAnimatedString mStringAttributes[3];

  static StringInfo sStringInfo[3];

};

}  // namespace mozilla::dom

#endif  // DOM_SVG_SVGFEDISPLACEMENTMAPELEMENT_H_