зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
4.0 KiB
C++
107 строки
4.0 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/SVGFEGaussianBlurElement.h"
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#include "mozilla/dom/SVGFEGaussianBlurElementBinding.h"
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#include "nsSVGFilterInstance.h"
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#include "nsSVGUtils.h"
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NS_IMPL_NS_NEW_SVG_ELEMENT(FEGaussianBlur)
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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* SVGFEGaussianBlurElement::WrapNode(
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JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
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return SVGFEGaussianBlurElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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SVGElement::NumberPairInfo SVGFEGaussianBlurElement::sNumberPairInfo[1] = {
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{nsGkAtoms::stdDeviation, 0, 0}};
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SVGElement::StringInfo SVGFEGaussianBlurElement::sStringInfo[2] = {
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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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// nsINode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEGaussianBlurElement)
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//----------------------------------------------------------------------
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already_AddRefed<SVGAnimatedString> SVGFEGaussianBlurElement::In1() {
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return mStringAttributes[IN1].ToDOMAnimatedString(this);
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}
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already_AddRefed<SVGAnimatedNumber> SVGFEGaussianBlurElement::StdDeviationX() {
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return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(
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SVGNumberPair::eFirst, this);
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}
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already_AddRefed<SVGAnimatedNumber> SVGFEGaussianBlurElement::StdDeviationY() {
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return mNumberPairAttributes[STD_DEV].ToDOMAnimatedNumber(
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SVGNumberPair::eSecond, this);
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}
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void SVGFEGaussianBlurElement::SetStdDeviation(float stdDeviationX,
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float stdDeviationY) {
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mNumberPairAttributes[STD_DEV].SetBaseValues(stdDeviationX, stdDeviationY,
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this);
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}
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FilterPrimitiveDescription SVGFEGaussianBlurElement::GetPrimitiveDescription(
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nsSVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
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const nsTArray<bool>& aInputsAreTainted,
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nsTArray<RefPtr<SourceSurface>>& aInputImages) {
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float stdX = aInstance->GetPrimitiveNumber(SVGContentUtils::X,
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&mNumberPairAttributes[STD_DEV],
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SVGNumberPair::eFirst);
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float stdY = aInstance->GetPrimitiveNumber(SVGContentUtils::Y,
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&mNumberPairAttributes[STD_DEV],
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SVGNumberPair::eSecond);
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if (stdX < 0 || stdY < 0) {
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return FilterPrimitiveDescription();
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}
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GaussianBlurAttributes atts;
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atts.mStdDeviation = Size(stdX, stdY);
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return FilterPrimitiveDescription(AsVariant(std::move(atts)));
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}
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bool SVGFEGaussianBlurElement::AttributeAffectsRendering(
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int32_t aNameSpaceID, nsAtom* aAttribute) const {
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return SVGFEGaussianBlurElementBase::AttributeAffectsRendering(aNameSpaceID,
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aAttribute) ||
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(aNameSpaceID == kNameSpaceID_None &&
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(aAttribute == nsGkAtoms::in ||
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aAttribute == nsGkAtoms::stdDeviation));
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}
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void SVGFEGaussianBlurElement::GetSourceImageNames(
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nsTArray<SVGStringInfo>& aSources) {
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aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
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}
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//----------------------------------------------------------------------
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// SVGElement methods
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SVGElement::NumberPairAttributesInfo
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SVGFEGaussianBlurElement::GetNumberPairInfo() {
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return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
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ArrayLength(sNumberPairInfo));
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}
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SVGElement::StringAttributesInfo SVGFEGaussianBlurElement::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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