зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
5.2 KiB
C++
142 строки
5.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "mozilla/SVGFilterInstance.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/BindContext.h"
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NS_IMPL_NS_NEW_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* SVGFEDisplacementMapElement::WrapNode(
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JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
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return SVGFEDisplacementMapElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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SVGElement::NumberInfo SVGFEDisplacementMapElement::sNumberInfo[1] = {
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{nsGkAtoms::scale, 0, false},
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};
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SVGEnumMapping 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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SVGElement::EnumInfo SVGFEDisplacementMapElement::sEnumInfo[2] = {
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{nsGkAtoms::xChannelSelector, sChannelMap, SVG_CHANNEL_A},
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{nsGkAtoms::yChannelSelector, sChannelMap, SVG_CHANNEL_A}};
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SVGElement::StringInfo SVGFEDisplacementMapElement::sStringInfo[3] = {
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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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// nsINode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDisplacementMapElement)
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//----------------------------------------------------------------------
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already_AddRefed<DOMSVGAnimatedString> SVGFEDisplacementMapElement::In1() {
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return mStringAttributes[IN1].ToDOMAnimatedString(this);
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}
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already_AddRefed<DOMSVGAnimatedString> SVGFEDisplacementMapElement::In2() {
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return mStringAttributes[IN2].ToDOMAnimatedString(this);
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}
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already_AddRefed<DOMSVGAnimatedNumber> SVGFEDisplacementMapElement::Scale() {
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return mNumberAttributes[SCALE].ToDOMAnimatedNumber(this);
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}
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already_AddRefed<DOMSVGAnimatedEnumeration>
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SVGFEDisplacementMapElement::XChannelSelector() {
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return mEnumAttributes[CHANNEL_X].ToDOMAnimatedEnum(this);
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}
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already_AddRefed<DOMSVGAnimatedEnumeration>
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SVGFEDisplacementMapElement::YChannelSelector() {
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return mEnumAttributes[CHANNEL_Y].ToDOMAnimatedEnum(this);
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}
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FilterPrimitiveDescription SVGFEDisplacementMapElement::GetPrimitiveDescription(
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SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
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const nsTArray<bool>& aInputsAreTainted,
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nsTArray<RefPtr<SourceSurface>>& aInputImages) {
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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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OffsetAttributes atts;
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atts.mValue = IntPoint(0, 0);
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return FilterPrimitiveDescription(AsVariant(std::move(atts)));
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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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DisplacementMapAttributes atts;
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atts.mScale = scale;
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atts.mXChannel = xChannel;
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atts.mYChannel = yChannel;
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return FilterPrimitiveDescription(AsVariant(std::move(atts)));
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}
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bool SVGFEDisplacementMapElement::AttributeAffectsRendering(
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int32_t aNameSpaceID, nsAtom* aAttribute) const {
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return SVGFEDisplacementMapElementBase::AttributeAffectsRendering(
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aNameSpaceID, aAttribute) ||
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(aNameSpaceID == kNameSpaceID_None &&
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(aAttribute == nsGkAtoms::in || 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 SVGFEDisplacementMapElement::GetSourceImageNames(
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nsTArray<SVGStringInfo>& aSources) {
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aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
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aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN2], this));
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}
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nsresult SVGFEDisplacementMapElement::BindToTree(BindContext& aCtx,
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nsINode& aParent) {
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if (aCtx.InComposedDoc()) {
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aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feDisplacementMap);
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}
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return SVGFE::BindToTree(aCtx, aParent);
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}
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//----------------------------------------------------------------------
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// SVGElement methods
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SVGElement::NumberAttributesInfo SVGFEDisplacementMapElement::GetNumberInfo() {
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return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
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ArrayLength(sNumberInfo));
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}
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SVGElement::EnumAttributesInfo SVGFEDisplacementMapElement::GetEnumInfo() {
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return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
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}
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SVGElement::StringAttributesInfo SVGFEDisplacementMapElement::GetStringInfo() {
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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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