164 lines
5.1 KiB
C++
164 lines
5.1 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/SVGFEDisplacementMapElement.h"
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#include "mozilla/dom/SVGFEDisplacementMapElementBinding.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(FEDisplacementMap)
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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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SVGFEDisplacementMapElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return SVGFEDisplacementMapElementBinding::Wrap(aCx, this, aGivenProto);
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}
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nsSVGElement::NumberInfo SVGFEDisplacementMapElement::sNumberInfo[1] =
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{
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{ &nsGkAtoms::scale, 0, false },
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};
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nsSVGEnumMapping SVGFEDisplacementMapElement::sChannelMap[] = {
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{&nsGkAtoms::R, SVG_CHANNEL_R},
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{&nsGkAtoms::G, SVG_CHANNEL_G},
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{&nsGkAtoms::B, SVG_CHANNEL_B},
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{&nsGkAtoms::A, SVG_CHANNEL_A},
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{nullptr, 0}
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};
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nsSVGElement::EnumInfo SVGFEDisplacementMapElement::sEnumInfo[2] =
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{
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{ &nsGkAtoms::xChannelSelector,
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sChannelMap,
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SVG_CHANNEL_A
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},
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{ &nsGkAtoms::yChannelSelector,
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sChannelMap,
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SVG_CHANNEL_A
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}
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};
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nsSVGElement::StringInfo SVGFEDisplacementMapElement::sStringInfo[3] =
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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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{ &nsGkAtoms::in2, 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(SVGFEDisplacementMapElement)
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//----------------------------------------------------------------------
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already_AddRefed<SVGAnimatedString>
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SVGFEDisplacementMapElement::In1()
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{
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return mStringAttributes[IN1].ToDOMAnimatedString(this);
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}
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already_AddRefed<SVGAnimatedString>
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SVGFEDisplacementMapElement::In2()
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{
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return mStringAttributes[IN2].ToDOMAnimatedString(this);
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}
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already_AddRefed<SVGAnimatedNumber>
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SVGFEDisplacementMapElement::Scale()
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{
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return mNumberAttributes[SCALE].ToDOMAnimatedNumber(this);
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}
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already_AddRefed<SVGAnimatedEnumeration>
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SVGFEDisplacementMapElement::XChannelSelector()
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{
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return mEnumAttributes[CHANNEL_X].ToDOMAnimatedEnum(this);
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}
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already_AddRefed<SVGAnimatedEnumeration>
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SVGFEDisplacementMapElement::YChannelSelector()
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{
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return mEnumAttributes[CHANNEL_Y].ToDOMAnimatedEnum(this);
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}
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FilterPrimitiveDescription
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SVGFEDisplacementMapElement::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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if (aInputsAreTainted[1]) {
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// If the map is tainted, refuse to apply the effect and act as a
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// pass-through filter instead, as required by the spec.
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FilterPrimitiveDescription descr(PrimitiveType::Offset);
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descr.Attributes().Set(eOffsetOffset, IntPoint(0, 0));
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return descr;
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}
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float scale = aInstance->GetPrimitiveNumber(SVGContentUtils::XY,
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&mNumberAttributes[SCALE]);
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uint32_t xChannel = mEnumAttributes[CHANNEL_X].GetAnimValue();
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uint32_t yChannel = mEnumAttributes[CHANNEL_Y].GetAnimValue();
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FilterPrimitiveDescription descr(PrimitiveType::DisplacementMap);
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descr.Attributes().Set(eDisplacementMapScale, scale);
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descr.Attributes().Set(eDisplacementMapXChannel, xChannel);
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descr.Attributes().Set(eDisplacementMapYChannel, yChannel);
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return descr;
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}
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bool
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SVGFEDisplacementMapElement::AttributeAffectsRendering(int32_t aNameSpaceID,
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nsIAtom* aAttribute) const
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{
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return SVGFEDisplacementMapElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
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(aNameSpaceID == kNameSpaceID_None &&
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(aAttribute == nsGkAtoms::in ||
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aAttribute == nsGkAtoms::in2 ||
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aAttribute == nsGkAtoms::scale ||
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aAttribute == nsGkAtoms::xChannelSelector ||
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aAttribute == nsGkAtoms::yChannelSelector));
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}
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void
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SVGFEDisplacementMapElement::GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources)
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{
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aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this));
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aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN2], this));
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}
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//----------------------------------------------------------------------
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// nsSVGElement methods
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nsSVGElement::NumberAttributesInfo
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SVGFEDisplacementMapElement::GetNumberInfo()
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{
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return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
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ArrayLength(sNumberInfo));
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}
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nsSVGElement::EnumAttributesInfo
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SVGFEDisplacementMapElement::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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SVGFEDisplacementMapElement::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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