166 lines
5.2 KiB
C++
166 lines
5.2 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/SVGFEMorphologyElement.h"
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#include "mozilla/dom/SVGFEMorphologyElementBinding.h"
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#include "nsSVGFilterInstance.h"
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NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEMorphology)
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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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SVGFEMorphologyElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return SVGFEMorphologyElementBinding::Wrap(aCx, this, aGivenProto);
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}
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nsSVGElement::NumberPairInfo SVGFEMorphologyElement::sNumberPairInfo[1] =
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{
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{ &nsGkAtoms::radius, 0, 0 }
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};
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nsSVGEnumMapping SVGFEMorphologyElement::sOperatorMap[] = {
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{&nsGkAtoms::erode, SVG_OPERATOR_ERODE},
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{&nsGkAtoms::dilate, SVG_OPERATOR_DILATE},
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{nullptr, 0}
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};
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nsSVGElement::EnumInfo SVGFEMorphologyElement::sEnumInfo[1] =
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{
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{ &nsGkAtoms::_operator,
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sOperatorMap,
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SVG_OPERATOR_ERODE
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}
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};
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nsSVGElement::StringInfo SVGFEMorphologyElement::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(SVGFEMorphologyElement)
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//----------------------------------------------------------------------
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// SVGFEMorphologyElement methods
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already_AddRefed<SVGAnimatedString>
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SVGFEMorphologyElement::In1()
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{
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return mStringAttributes[IN1].ToDOMAnimatedString(this);
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}
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already_AddRefed<SVGAnimatedEnumeration>
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SVGFEMorphologyElement::Operator()
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{
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return mEnumAttributes[OPERATOR].ToDOMAnimatedEnum(this);
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}
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already_AddRefed<SVGAnimatedNumber>
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SVGFEMorphologyElement::RadiusX()
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{
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return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(nsSVGNumberPair::eFirst, this);
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}
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already_AddRefed<SVGAnimatedNumber>
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SVGFEMorphologyElement::RadiusY()
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{
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return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(nsSVGNumberPair::eSecond, this);
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}
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void
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SVGFEMorphologyElement::SetRadius(float rx, float ry)
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{
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mNumberPairAttributes[RADIUS].SetBaseValues(rx, ry, this);
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}
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void
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SVGFEMorphologyElement::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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#define MORPHOLOGY_EPSILON 0.0001
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void
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SVGFEMorphologyElement::GetRXY(int32_t *aRX, int32_t *aRY,
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const nsSVGFilterInstance& aInstance)
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{
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// Subtract an epsilon here because we don't want a value that's just
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// slightly larger than an integer to round up to the next integer; it's
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// probably meant to be the integer it's close to, modulo machine precision
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// issues.
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*aRX = NSToIntCeil(aInstance.GetPrimitiveNumber(SVGContentUtils::X,
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&mNumberPairAttributes[RADIUS],
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nsSVGNumberPair::eFirst) -
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MORPHOLOGY_EPSILON);
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*aRY = NSToIntCeil(aInstance.GetPrimitiveNumber(SVGContentUtils::Y,
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&mNumberPairAttributes[RADIUS],
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nsSVGNumberPair::eSecond) -
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MORPHOLOGY_EPSILON);
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}
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FilterPrimitiveDescription
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SVGFEMorphologyElement::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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int32_t rx, ry;
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GetRXY(&rx, &ry, *aInstance);
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FilterPrimitiveDescription descr(PrimitiveType::Morphology);
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descr.Attributes().Set(eMorphologyRadii, Size(rx, ry));
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descr.Attributes().Set(eMorphologyOperator,
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(uint32_t)mEnumAttributes[OPERATOR].GetAnimValue());
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return descr;
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}
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bool
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SVGFEMorphologyElement::AttributeAffectsRendering(int32_t aNameSpaceID,
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nsIAtom* aAttribute) const
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{
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return SVGFEMorphologyElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
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(aNameSpaceID == kNameSpaceID_None &&
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(aAttribute == nsGkAtoms::in ||
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aAttribute == nsGkAtoms::radius ||
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aAttribute == nsGkAtoms::_operator));
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}
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//----------------------------------------------------------------------
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// nsSVGElement methods
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nsSVGElement::NumberPairAttributesInfo
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SVGFEMorphologyElement::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::EnumAttributesInfo
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SVGFEMorphologyElement::GetEnumInfo()
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{
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return EnumAttributesInfo(mEnumAttributes, sEnumInfo,
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ArrayLength(sEnumInfo));
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}
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nsSVGElement::StringAttributesInfo
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SVGFEMorphologyElement::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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