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Diffstat (limited to 'dom/svg/SVGFEGaussianBlurElement.cpp')
-rw-r--r-- | dom/svg/SVGFEGaussianBlurElement.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/dom/svg/SVGFEGaussianBlurElement.cpp b/dom/svg/SVGFEGaussianBlurElement.cpp new file mode 100644 index 0000000000..2bc0c95eae --- /dev/null +++ b/dom/svg/SVGFEGaussianBlurElement.cpp @@ -0,0 +1,116 @@ +/* -*- 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/. */ + +#include "mozilla/dom/SVGFEGaussianBlurElement.h" +#include "mozilla/dom/SVGFEGaussianBlurElementBinding.h" +#include "mozilla/SVGFilterInstance.h" +#include "mozilla/dom/Document.h" +#include "mozilla/dom/BindContext.h" + +NS_IMPL_NS_NEW_SVG_ELEMENT(FEGaussianBlur) + +using namespace mozilla::gfx; + +namespace mozilla::dom { + +JSObject* SVGFEGaussianBlurElement::WrapNode( + JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { + return SVGFEGaussianBlurElement_Binding::Wrap(aCx, this, aGivenProto); +} + +SVGElement::NumberPairInfo SVGFEGaussianBlurElement::sNumberPairInfo[1] = { + {nsGkAtoms::stdDeviation, 0, 0}}; + +SVGElement::StringInfo SVGFEGaussianBlurElement::sStringInfo[2] = { + {nsGkAtoms::result, kNameSpaceID_None, true}, + {nsGkAtoms::in, kNameSpaceID_None, true}}; + +//---------------------------------------------------------------------- +// nsINode methods + +NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEGaussianBlurElement) + +//---------------------------------------------------------------------- + +already_AddRefed<DOMSVGAnimatedString> SVGFEGaussianBlurElement::In1() { + return mStringAttributes[IN1].ToDOMAnimatedString(this); +} + +already_AddRefed<DOMSVGAnimatedNumber> +SVGFEGaussianBlurElement::StdDeviationX() { + return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber( + SVGAnimatedNumberPair::eFirst, this); +} + +already_AddRefed<DOMSVGAnimatedNumber> +SVGFEGaussianBlurElement::StdDeviationY() { + return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber( + SVGAnimatedNumberPair::eSecond, this); +} + +void SVGFEGaussianBlurElement::SetStdDeviation(float stdDeviationX, + float stdDeviationY) { + mNumberPairAttributes[STD_DEV].SetBaseValues(stdDeviationX, stdDeviationY, + this); +} + +FilterPrimitiveDescription SVGFEGaussianBlurElement::GetPrimitiveDescription( + SVGFilterInstance* aInstance, const IntRect& aFilterSubregion, + const nsTArray<bool>& aInputsAreTainted, + nsTArray<RefPtr<SourceSurface>>& aInputImages) { + float stdX = aInstance->GetPrimitiveNumber(SVGContentUtils::X, + &mNumberPairAttributes[STD_DEV], + SVGAnimatedNumberPair::eFirst); + float stdY = aInstance->GetPrimitiveNumber(SVGContentUtils::Y, + &mNumberPairAttributes[STD_DEV], + SVGAnimatedNumberPair::eSecond); + if (stdX < 0 || stdY < 0) { + return FilterPrimitiveDescription(); + } + + GaussianBlurAttributes atts; + atts.mStdDeviation = Size(stdX, stdY); + return FilterPrimitiveDescription(AsVariant(std::move(atts))); +} + +bool SVGFEGaussianBlurElement::AttributeAffectsRendering( + int32_t aNameSpaceID, nsAtom* aAttribute) const { + return SVGFEGaussianBlurElementBase::AttributeAffectsRendering(aNameSpaceID, + aAttribute) || + (aNameSpaceID == kNameSpaceID_None && + (aAttribute == nsGkAtoms::in || + aAttribute == nsGkAtoms::stdDeviation)); +} + +void SVGFEGaussianBlurElement::GetSourceImageNames( + nsTArray<SVGStringInfo>& aSources) { + aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this)); +} + +nsresult SVGFEGaussianBlurElement::BindToTree(BindContext& aCtx, + nsINode& aParent) { + if (aCtx.InComposedDoc()) { + aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feGaussianBlur); + } + + return SVGFE::BindToTree(aCtx, aParent); +} + +//---------------------------------------------------------------------- +// SVGElement methods + +SVGElement::NumberPairAttributesInfo +SVGFEGaussianBlurElement::GetNumberPairInfo() { + return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo, + ArrayLength(sNumberPairInfo)); +} + +SVGElement::StringAttributesInfo SVGFEGaussianBlurElement::GetStringInfo() { + return StringAttributesInfo(mStringAttributes, sStringInfo, + ArrayLength(sStringInfo)); +} + +} // namespace mozilla::dom |