diff options
Diffstat (limited to 'dom/svg/SVGFEDropShadowElement.cpp')
| -rw-r--r-- | dom/svg/SVGFEDropShadowElement.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/dom/svg/SVGFEDropShadowElement.cpp b/dom/svg/SVGFEDropShadowElement.cpp new file mode 100644 index 000000000..f15d43fad --- /dev/null +++ b/dom/svg/SVGFEDropShadowElement.cpp @@ -0,0 +1,179 @@ +/* -*- 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/SVGFEDropShadowElement.h" +#include "mozilla/dom/SVGFEDropShadowElementBinding.h" +#include "nsIFrame.h" +#include "nsSVGFilterInstance.h" + +NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEDropShadow) + +using namespace mozilla::gfx; + +namespace mozilla { +namespace dom { + +JSObject* +SVGFEDropShadowElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) +{ + return SVGFEDropShadowElementBinding::Wrap(aCx, this, aGivenProto); +} + +nsSVGElement::NumberInfo SVGFEDropShadowElement::sNumberInfo[2] = +{ + { &nsGkAtoms::dx, 2, false }, + { &nsGkAtoms::dy, 2, false } +}; + +nsSVGElement::NumberPairInfo SVGFEDropShadowElement::sNumberPairInfo[1] = +{ + { &nsGkAtoms::stdDeviation, 2, 2 } +}; + +nsSVGElement::StringInfo SVGFEDropShadowElement::sStringInfo[2] = +{ + { &nsGkAtoms::result, kNameSpaceID_None, true }, + { &nsGkAtoms::in, kNameSpaceID_None, true } +}; + +//---------------------------------------------------------------------- +// nsIDOMNode methods + +NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDropShadowElement) + +//---------------------------------------------------------------------- + +already_AddRefed<SVGAnimatedString> +SVGFEDropShadowElement::In1() +{ + return mStringAttributes[IN1].ToDOMAnimatedString(this); +} + +already_AddRefed<SVGAnimatedNumber> +SVGFEDropShadowElement::Dx() +{ + return mNumberAttributes[DX].ToDOMAnimatedNumber(this); +} + +already_AddRefed<SVGAnimatedNumber> +SVGFEDropShadowElement::Dy() +{ + return mNumberAttributes[DY].ToDOMAnimatedNumber(this); +} + +already_AddRefed<SVGAnimatedNumber> +SVGFEDropShadowElement::StdDeviationX() +{ + return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(nsSVGNumberPair::eFirst, this); +} + +already_AddRefed<SVGAnimatedNumber> +SVGFEDropShadowElement::StdDeviationY() +{ + return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(nsSVGNumberPair::eSecond, this); +} + +void +SVGFEDropShadowElement::SetStdDeviation(float stdDeviationX, float stdDeviationY) +{ + mNumberPairAttributes[STD_DEV].SetBaseValues(stdDeviationX, stdDeviationY, this); +} + +FilterPrimitiveDescription +SVGFEDropShadowElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance, + const IntRect& aFilterSubregion, + const nsTArray<bool>& aInputsAreTainted, + nsTArray<RefPtr<SourceSurface>>& aInputImages) +{ + float stdX = aInstance->GetPrimitiveNumber(SVGContentUtils::X, + &mNumberPairAttributes[STD_DEV], + nsSVGNumberPair::eFirst); + float stdY = aInstance->GetPrimitiveNumber(SVGContentUtils::Y, + &mNumberPairAttributes[STD_DEV], + nsSVGNumberPair::eSecond); + if (stdX < 0 || stdY < 0) { + return FilterPrimitiveDescription(PrimitiveType::Empty); + } + + IntPoint offset(int32_t(aInstance->GetPrimitiveNumber( + SVGContentUtils::X, &mNumberAttributes[DX])), + int32_t(aInstance->GetPrimitiveNumber( + SVGContentUtils::Y, &mNumberAttributes[DY]))); + + FilterPrimitiveDescription descr(PrimitiveType::DropShadow); + descr.Attributes().Set(eDropShadowStdDeviation, Size(stdX, stdY)); + descr.Attributes().Set(eDropShadowOffset, offset); + + nsIFrame* frame = GetPrimaryFrame(); + if (frame) { + nsStyleContext* style = frame->StyleContext(); + Color color(Color::FromABGR(style->StyleSVGReset()->mFloodColor)); + color.a *= style->StyleSVGReset()->mFloodOpacity; + descr.Attributes().Set(eDropShadowColor, color); + } else { + descr.Attributes().Set(eDropShadowColor, Color()); + } + return descr; +} + +bool +SVGFEDropShadowElement::AttributeAffectsRendering(int32_t aNameSpaceID, + nsIAtom* aAttribute) const +{ + return SVGFEDropShadowElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) || + (aNameSpaceID == kNameSpaceID_None && + (aAttribute == nsGkAtoms::in || + aAttribute == nsGkAtoms::stdDeviation || + aAttribute == nsGkAtoms::dx || + aAttribute == nsGkAtoms::dy)); +} + +void +SVGFEDropShadowElement::GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources) +{ + aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this)); +} + +//---------------------------------------------------------------------- +// nsIContent methods + +NS_IMETHODIMP_(bool) +SVGFEDropShadowElement::IsAttributeMapped(const nsIAtom* name) const +{ + static const MappedAttributeEntry* const map[] = { + sFEFloodMap + }; + + return FindAttributeDependence(name, map) || + SVGFEDropShadowElementBase::IsAttributeMapped(name); +} + +//---------------------------------------------------------------------- +// nsSVGElement methods + +nsSVGElement::NumberAttributesInfo +SVGFEDropShadowElement::GetNumberInfo() +{ + return NumberAttributesInfo(mNumberAttributes, sNumberInfo, + ArrayLength(sNumberInfo)); +} + +nsSVGElement::NumberPairAttributesInfo +SVGFEDropShadowElement::GetNumberPairInfo() +{ + return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo, + ArrayLength(sNumberPairInfo)); +} + +nsSVGElement::StringAttributesInfo +SVGFEDropShadowElement::GetStringInfo() +{ + return StringAttributesInfo(mStringAttributes, sStringInfo, + ArrayLength(sStringInfo)); +} + +} // namespace dom +} // namespace mozilla |