dom/svg/SVGFEDisplacementMapElement.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef DOM_SVG_SVGFEDISPLACEMENTMAPELEMENT_H_
   8 #define DOM_SVG_SVGFEDISPLACEMENTMAPELEMENT_H_
   9
  10 #include "SVGAnimatedEnumeration.h"
  11 #include "mozilla/dom/SVGFilters.h"
  12
  13 nsresult NS_NewSVGFEDisplacementMapElement(
  14     nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  15
  16 namespace mozilla::dom {
  17
  18 using SVGFEDisplacementMapElementBase = SVGFilterPrimitiveElement;
  19
  20 class SVGFEDisplacementMapElement final
  21     : public SVGFEDisplacementMapElementBase {
  22  protected:
  23   friend nsresult(::NS_NewSVGFEDisplacementMapElement(
  24       nsIContent** aResult,
  25       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
  26   explicit SVGFEDisplacementMapElement(
  27       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
  28       : SVGFEDisplacementMapElementBase(std::move(aNodeInfo)) {}
  29   JSObject* WrapNode(JSContext* aCx,
  30                      JS::Handle<JSObject*> aGivenProto) override;
  31
  32  public:
  33   FilterPrimitiveDescription GetPrimitiveDescription(
  34       SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
  35       const nsTArray<bool>& aInputsAreTainted,
  36       nsTArray<RefPtr<SourceSurface>>& aInputImages) override;
  37   bool AttributeAffectsRendering(int32_t aNameSpaceID,
  38                                  nsAtom* aAttribute) const override;
  39   SVGAnimatedString& GetResultImageName() override {
  40     return mStringAttributes[RESULT];
  41   }
  42   void GetSourceImageNames(nsTArray<SVGStringInfo>& aSources) override;
  43
  44   nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  45
  46   nsresult BindToTree(BindContext& aCtx, nsINode& aParent) override;
  47
  48   // WebIDL
  49   already_AddRefed<DOMSVGAnimatedString> In1();
  50   already_AddRefed<DOMSVGAnimatedString> In2();
  51   already_AddRefed<DOMSVGAnimatedNumber> Scale();
  52   already_AddRefed<DOMSVGAnimatedEnumeration> XChannelSelector();
  53   already_AddRefed<DOMSVGAnimatedEnumeration> YChannelSelector();
  54
  55  protected:
  56   virtual bool OperatesOnSRGB(int32_t aInputIndex,
  57                               bool aInputIsAlreadySRGB) override {
  58     switch (aInputIndex) {
  59       case 0:
  60         return aInputIsAlreadySRGB;
  61       case 1:
  62         return SVGFEDisplacementMapElementBase::OperatesOnSRGB(
  63             aInputIndex, aInputIsAlreadySRGB);
  64       default:
  65         NS_ERROR("Will not give correct color model");
  66         return false;
  67     }
  68   }
  69
  70   NumberAttributesInfo GetNumberInfo() override;
  71   EnumAttributesInfo GetEnumInfo() override;
  72   StringAttributesInfo GetStringInfo() override;
  73
  74   enum { SCALE };
  75   SVGAnimatedNumber mNumberAttributes[1];
  76   static NumberInfo sNumberInfo[1];
  77
  78   enum { CHANNEL_X, CHANNEL_Y };
  79   SVGAnimatedEnumeration mEnumAttributes[2];
  80   static SVGEnumMapping sChannelMap[];
  81   static EnumInfo sEnumInfo[2];
  82
  83   enum { RESULT, IN1, IN2 };
  84   SVGAnimatedString mStringAttributes[3];
  85   static StringInfo sStringInfo[3];
  86 };
  87
  88 }  // namespace mozilla::dom
  89
  90 #endif  // DOM_SVG_SVGFEDISPLACEMENTMAPELEMENT_H_