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       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             : #include "mozilla/dom/SVGComponentTransferFunctionElement.h"
       8             : #include "mozilla/dom/SVGFEComponentTransferElement.h"
       9             : #include "mozilla/dom/SVGFEComponentTransferElementBinding.h"
      10             : #include "nsSVGUtils.h"
      11             : #include "mozilla/gfx/2D.h"
      12             : 
      13           0 : NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEComponentTransfer)
      14             : 
      15             : using namespace mozilla::gfx;;
      16             : 
      17             : namespace mozilla {
      18             : namespace dom {
      19             : 
      20             : JSObject*
      21           0 : SVGFEComponentTransferElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
      22             : {
      23           0 :   return SVGFEComponentTransferElementBinding::Wrap(aCx, this, aGivenProto);
      24             : }
      25             : 
      26             : nsSVGElement::StringInfo SVGFEComponentTransferElement::sStringInfo[2] =
      27             : {
      28             :   { &nsGkAtoms::result, kNameSpaceID_None, true },
      29             :   { &nsGkAtoms::in, kNameSpaceID_None, true }
      30             : };
      31             : 
      32             : //----------------------------------------------------------------------
      33             : // nsIDOMNode methods
      34             : 
      35           0 : NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEComponentTransferElement)
      36             : 
      37             : already_AddRefed<SVGAnimatedString>
      38           0 : SVGFEComponentTransferElement::In1()
      39             : {
      40           0 :   return mStringAttributes[IN1].ToDOMAnimatedString(this);
      41             : }
      42             : 
      43             : //----------------------------------------------------------------------
      44             : // nsSVGElement methods
      45             : 
      46             : nsSVGElement::StringAttributesInfo
      47           0 : SVGFEComponentTransferElement::GetStringInfo()
      48             : {
      49             :   return StringAttributesInfo(mStringAttributes, sStringInfo,
      50           0 :                               ArrayLength(sStringInfo));
      51             : }
      52             : 
      53             : //--------------------------------------------
      54             : 
      55             : FilterPrimitiveDescription
      56           0 : SVGFEComponentTransferElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance,
      57             :                                                        const IntRect& aFilterSubregion,
      58             :                                                        const nsTArray<bool>& aInputsAreTainted,
      59             :                                                        nsTArray<RefPtr<SourceSurface>>& aInputImages)
      60             : {
      61           0 :   RefPtr<SVGComponentTransferFunctionElement> childForChannel[4];
      62             : 
      63           0 :   for (nsIContent* childContent = nsINode::GetFirstChild();
      64           0 :        childContent;
      65           0 :        childContent = childContent->GetNextSibling()) {
      66             : 
      67           0 :     RefPtr<SVGComponentTransferFunctionElement> child;
      68           0 :     CallQueryInterface(childContent,
      69           0 :             (SVGComponentTransferFunctionElement**)getter_AddRefs(child));
      70           0 :     if (child) {
      71           0 :       childForChannel[child->GetChannel()] = child;
      72             :     }
      73             :   }
      74             : 
      75             :   static const AttributeName attributeNames[4] = {
      76             :     eComponentTransferFunctionR,
      77             :     eComponentTransferFunctionG,
      78             :     eComponentTransferFunctionB,
      79             :     eComponentTransferFunctionA
      80             :   };
      81             : 
      82           0 :   FilterPrimitiveDescription descr(PrimitiveType::ComponentTransfer);
      83           0 :   for (int32_t i = 0; i < 4; i++) {
      84           0 :     if (childForChannel[i]) {
      85           0 :       descr.Attributes().Set(attributeNames[i], childForChannel[i]->ComputeAttributes());
      86             :     } else {
      87           0 :       AttributeMap functionAttributes;
      88             :       functionAttributes.Set(eComponentTransferFunctionType,
      89           0 :                              (uint32_t)SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY);
      90           0 :       descr.Attributes().Set(attributeNames[i], functionAttributes);
      91             :     }
      92             :   }
      93           0 :   return descr;
      94             : }
      95             : 
      96             : bool
      97           0 : SVGFEComponentTransferElement::AttributeAffectsRendering(int32_t aNameSpaceID,
      98             :                                                          nsIAtom* aAttribute) const
      99             : {
     100           0 :   return SVGFEComponentTransferElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
     101           0 :          (aNameSpaceID == kNameSpaceID_None &&
     102           0 :           aAttribute == nsGkAtoms::in);
     103             : }
     104             : 
     105             : void
     106           0 : SVGFEComponentTransferElement::GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources)
     107             : {
     108           0 :   aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this));
     109           0 : }
     110             : 
     111             : } // namespace dom
     112             : } // namespace mozilla