зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
4.9 KiB
C++
132 строки
4.9 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/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_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* SVGFEMorphologyElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return SVGFEMorphologyElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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SVGElement::NumberPairInfo SVGFEMorphologyElement::sNumberPairInfo[1] = {
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{nsGkAtoms::radius, 0, 0}};
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SVGEnumMapping 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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SVGElement::EnumInfo SVGFEMorphologyElement::sEnumInfo[1] = {
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{nsGkAtoms::_operator, sOperatorMap, SVG_OPERATOR_ERODE}};
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SVGElement::StringInfo SVGFEMorphologyElement::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(SVGFEMorphologyElement)
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//----------------------------------------------------------------------
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// SVGFEMorphologyElement methods
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already_AddRefed<SVGAnimatedString> SVGFEMorphologyElement::In1() {
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return mStringAttributes[IN1].ToDOMAnimatedString(this);
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}
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already_AddRefed<SVGAnimatedEnumeration> SVGFEMorphologyElement::Operator() {
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return mEnumAttributes[OPERATOR].ToDOMAnimatedEnum(this);
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}
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already_AddRefed<SVGAnimatedNumber> SVGFEMorphologyElement::RadiusX() {
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return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(
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SVGNumberPair::eFirst, this);
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}
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already_AddRefed<SVGAnimatedNumber> SVGFEMorphologyElement::RadiusY() {
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return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(
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SVGNumberPair::eSecond, this);
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}
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void SVGFEMorphologyElement::SetRadius(float rx, float ry) {
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mNumberPairAttributes[RADIUS].SetBaseValues(rx, ry, this);
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}
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void SVGFEMorphologyElement::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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#define MORPHOLOGY_EPSILON 0.0001
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void SVGFEMorphologyElement::GetRXY(int32_t* aRX, int32_t* aRY,
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const nsSVGFilterInstance& aInstance) {
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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(
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SVGContentUtils::X, &mNumberPairAttributes[RADIUS],
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SVGNumberPair::eFirst) -
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MORPHOLOGY_EPSILON);
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*aRY = NSToIntCeil(aInstance.GetPrimitiveNumber(
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SVGContentUtils::Y, &mNumberPairAttributes[RADIUS],
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SVGNumberPair::eSecond) -
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MORPHOLOGY_EPSILON);
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}
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FilterPrimitiveDescription SVGFEMorphologyElement::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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int32_t rx, ry;
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GetRXY(&rx, &ry, *aInstance);
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MorphologyAttributes atts;
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atts.mRadii = Size(rx, ry);
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atts.mOperator = (uint32_t)mEnumAttributes[OPERATOR].GetAnimValue();
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return FilterPrimitiveDescription(AsVariant(std::move(atts)));
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}
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bool SVGFEMorphologyElement::AttributeAffectsRendering(
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int32_t aNameSpaceID, nsAtom* aAttribute) const {
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return SVGFEMorphologyElementBase::AttributeAffectsRendering(aNameSpaceID,
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aAttribute) ||
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(aNameSpaceID == kNameSpaceID_None &&
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(aAttribute == nsGkAtoms::in || aAttribute == nsGkAtoms::radius ||
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aAttribute == nsGkAtoms::_operator));
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}
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//----------------------------------------------------------------------
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// SVGElement methods
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SVGElement::NumberPairAttributesInfo
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SVGFEMorphologyElement::GetNumberPairInfo() {
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return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
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ArrayLength(sNumberPairInfo));
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}
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SVGElement::EnumAttributesInfo SVGFEMorphologyElement::GetEnumInfo() {
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return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
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}
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SVGElement::StringAttributesInfo SVGFEMorphologyElement::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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