122 lines
4.0 KiB
C++
122 lines
4.0 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/SVGFEGaussianBlurElement.h"
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#include "mozilla/dom/SVGFEGaussianBlurElementBinding.h"
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#include "nsSVGFilterInstance.h"
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#include "nsSVGUtils.h"
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NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEGaussianBlur)
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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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SVGFEGaussianBlurElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return SVGFEGaussianBlurElementBinding::Wrap(aCx, this, aGivenProto);
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}
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nsSVGElement::NumberPairInfo SVGFEGaussianBlurElement::sNumberPairInfo[1] =
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{
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{ &nsGkAtoms::stdDeviation, 0, 0 }
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};
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nsSVGElement::StringInfo SVGFEGaussianBlurElement::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(SVGFEGaussianBlurElement)
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//----------------------------------------------------------------------
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already_AddRefed<SVGAnimatedString>
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SVGFEGaussianBlurElement::In1()
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{
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return mStringAttributes[IN1].ToDOMAnimatedString(this);
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}
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already_AddRefed<SVGAnimatedNumber>
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SVGFEGaussianBlurElement::StdDeviationX()
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{
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return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(nsSVGNumberPair::eFirst, this);
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}
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already_AddRefed<SVGAnimatedNumber>
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SVGFEGaussianBlurElement::StdDeviationY()
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{
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return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(nsSVGNumberPair::eSecond, this);
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}
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void
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SVGFEGaussianBlurElement::SetStdDeviation(float stdDeviationX, float stdDeviationY)
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{
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mNumberPairAttributes[STD_DEV].SetBaseValues(stdDeviationX, stdDeviationY, this);
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}
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FilterPrimitiveDescription
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SVGFEGaussianBlurElement::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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float stdX = aInstance->GetPrimitiveNumber(SVGContentUtils::X,
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&mNumberPairAttributes[STD_DEV],
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nsSVGNumberPair::eFirst);
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float stdY = aInstance->GetPrimitiveNumber(SVGContentUtils::Y,
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&mNumberPairAttributes[STD_DEV],
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nsSVGNumberPair::eSecond);
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if (stdX < 0 || stdY < 0) {
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return FilterPrimitiveDescription(PrimitiveType::Empty);
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}
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FilterPrimitiveDescription descr(PrimitiveType::GaussianBlur);
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descr.Attributes().Set(eGaussianBlurStdDeviation, Size(stdX, stdY));
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return descr;
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}
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bool
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SVGFEGaussianBlurElement::AttributeAffectsRendering(int32_t aNameSpaceID,
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nsIAtom* aAttribute) const
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{
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return SVGFEGaussianBlurElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
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(aNameSpaceID == kNameSpaceID_None &&
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(aAttribute == nsGkAtoms::in ||
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aAttribute == nsGkAtoms::stdDeviation));
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}
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void
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SVGFEGaussianBlurElement::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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//----------------------------------------------------------------------
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// nsSVGElement methods
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nsSVGElement::NumberPairAttributesInfo
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SVGFEGaussianBlurElement::GetNumberPairInfo()
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{
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return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
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ArrayLength(sNumberPairInfo));
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}
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nsSVGElement::StringAttributesInfo
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SVGFEGaussianBlurElement::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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} // namespace dom
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} // namespace mozilla
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