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Diffstat (limited to '')
| -rw-r--r-- | dom/svg/SVGFEDropShadowElement.cpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/dom/svg/SVGFEDropShadowElement.cpp b/dom/svg/SVGFEDropShadowElement.cpp new file mode 100644 index 0000000000..96cab839db --- /dev/null +++ b/dom/svg/SVGFEDropShadowElement.cpp @@ -0,0 +1,151 @@ +/* -*- 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 "mozilla/SVGFilterInstance.h" +#include "nsIFrame.h" + +NS_IMPL_NS_NEW_SVG_ELEMENT(FEDropShadow) + +using namespace mozilla::gfx; + +namespace mozilla { +namespace dom { + +JSObject* SVGFEDropShadowElement::WrapNode(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return SVGFEDropShadowElement_Binding::Wrap(aCx, this, aGivenProto); +} + +SVGElement::NumberInfo SVGFEDropShadowElement::sNumberInfo[2] = { + {nsGkAtoms::dx, 2, false}, {nsGkAtoms::dy, 2, false}}; + +SVGElement::NumberPairInfo SVGFEDropShadowElement::sNumberPairInfo[1] = { + {nsGkAtoms::stdDeviation, 2, 2}}; + +SVGElement::StringInfo SVGFEDropShadowElement::sStringInfo[2] = { + {nsGkAtoms::result, kNameSpaceID_None, true}, + {nsGkAtoms::in, kNameSpaceID_None, true}}; + +//---------------------------------------------------------------------- +// nsINode methods + +NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDropShadowElement) + +//---------------------------------------------------------------------- + +already_AddRefed<DOMSVGAnimatedString> SVGFEDropShadowElement::In1() { + return mStringAttributes[IN1].ToDOMAnimatedString(this); +} + +already_AddRefed<DOMSVGAnimatedNumber> SVGFEDropShadowElement::Dx() { + return mNumberAttributes[DX].ToDOMAnimatedNumber(this); +} + +already_AddRefed<DOMSVGAnimatedNumber> SVGFEDropShadowElement::Dy() { + return mNumberAttributes[DY].ToDOMAnimatedNumber(this); +} + +already_AddRefed<DOMSVGAnimatedNumber> SVGFEDropShadowElement::StdDeviationX() { + return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber( + SVGAnimatedNumberPair::eFirst, this); +} + +already_AddRefed<DOMSVGAnimatedNumber> SVGFEDropShadowElement::StdDeviationY() { + return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber( + SVGAnimatedNumberPair::eSecond, this); +} + +void SVGFEDropShadowElement::SetStdDeviation(float stdDeviationX, + float stdDeviationY) { + mNumberPairAttributes[STD_DEV].SetBaseValues(stdDeviationX, stdDeviationY, + this); +} + +FilterPrimitiveDescription SVGFEDropShadowElement::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(); + } + + Point offset( + aInstance->GetPrimitiveNumber(SVGContentUtils::X, &mNumberAttributes[DX]), + aInstance->GetPrimitiveNumber(SVGContentUtils::Y, + &mNumberAttributes[DY])); + + DropShadowAttributes atts; + atts.mStdDeviation = Size(stdX, stdY); + atts.mOffset = offset; + + nsIFrame* frame = GetPrimaryFrame(); + if (frame) { + const nsStyleSVGReset* styleSVGReset = frame->Style()->StyleSVGReset(); + sRGBColor color( + sRGBColor::FromABGR(styleSVGReset->mFloodColor.CalcColor(frame))); + color.a *= styleSVGReset->mFloodOpacity; + atts.mColor = color; + } else { + atts.mColor = sRGBColor(); + } + return FilterPrimitiveDescription(AsVariant(std::move(atts))); +} + +bool SVGFEDropShadowElement::AttributeAffectsRendering( + int32_t aNameSpaceID, nsAtom* 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<SVGStringInfo>& aSources) { + aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this)); +} + +//---------------------------------------------------------------------- +// nsIContent methods + +NS_IMETHODIMP_(bool) +SVGFEDropShadowElement::IsAttributeMapped(const nsAtom* name) const { + static const MappedAttributeEntry* const map[] = {sFEFloodMap}; + + return FindAttributeDependence(name, map) || + SVGFEDropShadowElementBase::IsAttributeMapped(name); +} + +//---------------------------------------------------------------------- +// SVGElement methods + +SVGElement::NumberAttributesInfo SVGFEDropShadowElement::GetNumberInfo() { + return NumberAttributesInfo(mNumberAttributes, sNumberInfo, + ArrayLength(sNumberInfo)); +} + +SVGElement::NumberPairAttributesInfo +SVGFEDropShadowElement::GetNumberPairInfo() { + return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo, + ArrayLength(sNumberPairInfo)); +} + +SVGElement::StringAttributesInfo SVGFEDropShadowElement::GetStringInfo() { + return StringAttributesInfo(mStringAttributes, sStringInfo, + ArrayLength(sStringInfo)); +} + +} // namespace dom +} // namespace mozilla |