112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/SVGComponentTransferFunctionElement.h"
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#include "mozilla/dom/SVGFEComponentTransferElement.h"
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#include "mozilla/dom/SVGFEComponentTransferElementBinding.h"
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#include "nsSVGUtils.h"
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#include "mozilla/gfx/2D.h"
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NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEComponentTransfer)
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using namespace mozilla::gfx;;
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namespace mozilla {
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namespace dom {
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JSObject*
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SVGFEComponentTransferElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return SVGFEComponentTransferElementBinding::Wrap(aCx, this, aGivenProto);
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}
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nsSVGElement::StringInfo SVGFEComponentTransferElement::sStringInfo[2] =
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{
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{ &nsGkAtoms::result, kNameSpaceID_None, true },
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{ &nsGkAtoms::in, kNameSpaceID_None, true }
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};
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//----------------------------------------------------------------------
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// nsIDOMNode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEComponentTransferElement)
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already_AddRefed<SVGAnimatedString>
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SVGFEComponentTransferElement::In1()
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{
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return mStringAttributes[IN1].ToDOMAnimatedString(this);
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}
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//----------------------------------------------------------------------
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// nsSVGElement methods
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nsSVGElement::StringAttributesInfo
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SVGFEComponentTransferElement::GetStringInfo()
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{
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return StringAttributesInfo(mStringAttributes, sStringInfo,
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ArrayLength(sStringInfo));
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}
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//--------------------------------------------
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FilterPrimitiveDescription
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SVGFEComponentTransferElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance,
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const IntRect& aFilterSubregion,
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const nsTArray<bool>& aInputsAreTainted,
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nsTArray<RefPtr<SourceSurface>>& aInputImages)
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{
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RefPtr<SVGComponentTransferFunctionElement> childForChannel[4];
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for (nsIContent* childContent = nsINode::GetFirstChild();
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childContent;
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childContent = childContent->GetNextSibling()) {
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RefPtr<SVGComponentTransferFunctionElement> child;
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CallQueryInterface(childContent,
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(SVGComponentTransferFunctionElement**)getter_AddRefs(child));
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if (child) {
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childForChannel[child->GetChannel()] = child;
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}
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}
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static const AttributeName attributeNames[4] = {
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eComponentTransferFunctionR,
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eComponentTransferFunctionG,
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eComponentTransferFunctionB,
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eComponentTransferFunctionA
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};
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FilterPrimitiveDescription descr(PrimitiveType::ComponentTransfer);
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for (int32_t i = 0; i < 4; i++) {
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if (childForChannel[i]) {
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descr.Attributes().Set(attributeNames[i], childForChannel[i]->ComputeAttributes());
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} else {
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AttributeMap functionAttributes;
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functionAttributes.Set(eComponentTransferFunctionType,
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(uint32_t)SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY);
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descr.Attributes().Set(attributeNames[i], functionAttributes);
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}
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}
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return descr;
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}
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bool
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SVGFEComponentTransferElement::AttributeAffectsRendering(int32_t aNameSpaceID,
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nsIAtom* aAttribute) const
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{
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return SVGFEComponentTransferElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
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(aNameSpaceID == kNameSpaceID_None &&
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aAttribute == nsGkAtoms::in);
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}
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void
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SVGFEComponentTransferElement::GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources)
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{
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aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this));
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}
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} // namespace dom
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} // namespace mozilla
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