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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
383
dom/svg/SVGMarkerElement.cpp
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383
dom/svg/SVGMarkerElement.cpp
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/* -*- 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/ArrayUtils.h"
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#include "nsGkAtoms.h"
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#include "nsCOMPtr.h"
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#include "SVGAnimatedPreserveAspectRatio.h"
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#include "nsError.h"
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#include "mozilla/dom/SVGAngle.h"
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#include "mozilla/dom/SVGMarkerElement.h"
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#include "mozilla/dom/SVGMarkerElementBinding.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/gfx/Matrix.h"
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#include "mozilla/FloatingPoint.h"
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#include "SVGContentUtils.h"
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using namespace mozilla::gfx;
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NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(Marker)
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namespace mozilla {
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namespace dom {
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JSObject*
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SVGMarkerElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return SVGMarkerElementBinding::Wrap(aCx, this, aGivenProto);
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}
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nsSVGElement::LengthInfo SVGMarkerElement::sLengthInfo[4] =
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{
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{ &nsGkAtoms::refX, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
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{ &nsGkAtoms::refY, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
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{ &nsGkAtoms::markerWidth, 3, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
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{ &nsGkAtoms::markerHeight, 3, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
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};
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nsSVGEnumMapping SVGMarkerElement::sUnitsMap[] = {
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{&nsGkAtoms::strokeWidth, SVG_MARKERUNITS_STROKEWIDTH},
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{&nsGkAtoms::userSpaceOnUse, SVG_MARKERUNITS_USERSPACEONUSE},
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{nullptr, 0}
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};
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nsSVGElement::EnumInfo SVGMarkerElement::sEnumInfo[1] =
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{
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{ &nsGkAtoms::markerUnits,
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sUnitsMap,
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SVG_MARKERUNITS_STROKEWIDTH
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}
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};
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nsSVGElement::AngleInfo SVGMarkerElement::sAngleInfo[1] =
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{
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{ &nsGkAtoms::orient, 0, SVG_ANGLETYPE_UNSPECIFIED }
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};
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//----------------------------------------------------------------------
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// Implementation
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nsresult
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nsSVGOrientType::SetBaseValue(uint16_t aValue,
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nsSVGElement *aSVGElement)
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{
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if (aValue == SVG_MARKER_ORIENT_AUTO_START_REVERSE &&
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!SVGMarkerElement::MarkerImprovementsPrefEnabled()) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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if (aValue == SVG_MARKER_ORIENT_AUTO ||
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aValue == SVG_MARKER_ORIENT_ANGLE ||
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aValue == SVG_MARKER_ORIENT_AUTO_START_REVERSE) {
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SetBaseValue(aValue);
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aSVGElement->SetAttr(
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kNameSpaceID_None, nsGkAtoms::orient, nullptr,
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(aValue == SVG_MARKER_ORIENT_AUTO ?
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NS_LITERAL_STRING("auto") :
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aValue == SVG_MARKER_ORIENT_ANGLE ?
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NS_LITERAL_STRING("0") :
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NS_LITERAL_STRING("auto-start-reverse")),
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true);
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return NS_OK;
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}
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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already_AddRefed<SVGAnimatedEnumeration>
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nsSVGOrientType::ToDOMAnimatedEnum(nsSVGElement *aSVGElement)
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{
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RefPtr<SVGAnimatedEnumeration> toReturn =
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new DOMAnimatedEnum(this, aSVGElement);
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return toReturn.forget();
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}
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SVGMarkerElement::SVGMarkerElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: SVGMarkerElementBase(aNodeInfo), mCoordCtx(nullptr)
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{
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}
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//----------------------------------------------------------------------
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// nsIDOMNode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGMarkerElement)
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//----------------------------------------------------------------------
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already_AddRefed<SVGAnimatedRect>
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SVGMarkerElement::ViewBox()
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{
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return mViewBox.ToSVGAnimatedRect(this);
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}
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already_AddRefed<DOMSVGAnimatedPreserveAspectRatio>
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SVGMarkerElement::PreserveAspectRatio()
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{
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return mPreserveAspectRatio.ToDOMAnimatedPreserveAspectRatio(this);
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}
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//----------------------------------------------------------------------
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already_AddRefed<SVGAnimatedLength>
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SVGMarkerElement::RefX()
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{
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return mLengthAttributes[REFX].ToDOMAnimatedLength(this);
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}
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already_AddRefed<SVGAnimatedLength>
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SVGMarkerElement::RefY()
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{
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return mLengthAttributes[REFY].ToDOMAnimatedLength(this);
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}
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already_AddRefed<SVGAnimatedEnumeration>
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SVGMarkerElement::MarkerUnits()
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{
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return mEnumAttributes[MARKERUNITS].ToDOMAnimatedEnum(this);
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}
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already_AddRefed<SVGAnimatedLength>
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SVGMarkerElement::MarkerWidth()
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{
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return mLengthAttributes[MARKERWIDTH].ToDOMAnimatedLength(this);
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}
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already_AddRefed<SVGAnimatedLength>
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SVGMarkerElement::MarkerHeight()
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{
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return mLengthAttributes[MARKERHEIGHT].ToDOMAnimatedLength(this);
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}
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already_AddRefed<SVGAnimatedEnumeration>
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SVGMarkerElement::OrientType()
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{
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return mOrientType.ToDOMAnimatedEnum(this);
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}
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already_AddRefed<SVGAnimatedAngle>
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SVGMarkerElement::OrientAngle()
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{
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return mAngleAttributes[ORIENT].ToDOMAnimatedAngle(this);
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}
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void SVGMarkerElement::SetOrientToAuto()
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{
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SetAttr(kNameSpaceID_None, nsGkAtoms::orient, nullptr,
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NS_LITERAL_STRING("auto"), true);
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}
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void
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SVGMarkerElement::SetOrientToAngle(SVGAngle& angle, ErrorResult& rv)
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{
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float f = angle.Value();
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if (!IsFinite(f)) {
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rv.Throw(NS_ERROR_DOM_SVG_WRONG_TYPE_ERR);
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return;
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}
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mOrientType.SetBaseValue(SVG_MARKER_ORIENT_ANGLE);
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mAngleAttributes[ORIENT].SetBaseValue(f, this, true);
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}
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//----------------------------------------------------------------------
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// nsIContent methods
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NS_IMETHODIMP_(bool)
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SVGMarkerElement::IsAttributeMapped(const nsIAtom* name) const
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{
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static const MappedAttributeEntry* const map[] = {
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sFEFloodMap,
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sFiltersMap,
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sFontSpecificationMap,
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sGradientStopMap,
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sLightingEffectsMap,
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sMarkersMap,
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sTextContentElementsMap,
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sViewportsMap,
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sColorMap,
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sFillStrokeMap,
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sGraphicsMap
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};
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return FindAttributeDependence(name, map) ||
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SVGMarkerElementBase::IsAttributeMapped(name);
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}
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//----------------------------------------------------------------------
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// nsSVGElement methods
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bool
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SVGMarkerElement::ParseAttribute(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAString& aValue,
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nsAttrValue& aResult)
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{
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if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::orient) {
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if (aValue.EqualsLiteral("auto")) {
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mOrientType.SetBaseValue(SVG_MARKER_ORIENT_AUTO);
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aResult.SetTo(aValue);
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mAngleAttributes[ORIENT].SetBaseValue(0.f, this, false);
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return true;
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}
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if (aValue.EqualsLiteral("auto-start-reverse") &&
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MarkerImprovementsPrefEnabled()) {
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mOrientType.SetBaseValue(SVG_MARKER_ORIENT_AUTO_START_REVERSE);
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aResult.SetTo(aValue);
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mAngleAttributes[ORIENT].SetBaseValue(0.f, this, false);
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return true;
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}
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mOrientType.SetBaseValue(SVG_MARKER_ORIENT_ANGLE);
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}
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return SVGMarkerElementBase::ParseAttribute(aNameSpaceID, aName,
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aValue, aResult);
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}
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nsresult
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SVGMarkerElement::UnsetAttr(int32_t aNamespaceID, nsIAtom* aName,
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bool aNotify)
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{
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if (aNamespaceID == kNameSpaceID_None) {
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if (aName == nsGkAtoms::orient) {
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mOrientType.SetBaseValue(SVG_MARKER_ORIENT_ANGLE);
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}
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}
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return nsSVGElement::UnsetAttr(aNamespaceID, aName, aNotify);
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}
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//----------------------------------------------------------------------
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// nsSVGElement methods
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void
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SVGMarkerElement::SetParentCoordCtxProvider(SVGSVGElement *aContext)
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{
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mCoordCtx = aContext;
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mViewBoxToViewportTransform = nullptr;
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}
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/* virtual */ bool
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SVGMarkerElement::HasValidDimensions() const
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{
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return (!mLengthAttributes[MARKERWIDTH].IsExplicitlySet() ||
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mLengthAttributes[MARKERWIDTH].GetAnimValInSpecifiedUnits() > 0) &&
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(!mLengthAttributes[MARKERHEIGHT].IsExplicitlySet() ||
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mLengthAttributes[MARKERHEIGHT].GetAnimValInSpecifiedUnits() > 0);
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}
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nsSVGElement::LengthAttributesInfo
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SVGMarkerElement::GetLengthInfo()
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{
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return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
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ArrayLength(sLengthInfo));
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}
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nsSVGElement::AngleAttributesInfo
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SVGMarkerElement::GetAngleInfo()
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{
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return AngleAttributesInfo(mAngleAttributes, sAngleInfo,
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ArrayLength(sAngleInfo));
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}
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nsSVGElement::EnumAttributesInfo
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SVGMarkerElement::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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nsSVGViewBox *
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SVGMarkerElement::GetViewBox()
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{
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return &mViewBox;
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}
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SVGAnimatedPreserveAspectRatio *
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SVGMarkerElement::GetPreserveAspectRatio()
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{
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return &mPreserveAspectRatio;
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}
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//----------------------------------------------------------------------
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// public helpers
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gfx::Matrix
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SVGMarkerElement::GetMarkerTransform(float aStrokeWidth,
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float aX, float aY, float aAutoAngle,
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bool aIsStart)
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{
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float scale = mEnumAttributes[MARKERUNITS].GetAnimValue() ==
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SVG_MARKERUNITS_STROKEWIDTH ? aStrokeWidth : 1.0f;
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float angle;
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switch (mOrientType.GetAnimValueInternal()) {
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case SVG_MARKER_ORIENT_AUTO:
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angle = aAutoAngle;
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break;
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case SVG_MARKER_ORIENT_AUTO_START_REVERSE:
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angle = aAutoAngle + (aIsStart ? M_PI : 0.0f);
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break;
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default: // SVG_MARKER_ORIENT_ANGLE
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angle = mAngleAttributes[ORIENT].GetAnimValue() * M_PI / 180.0f;
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break;
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}
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return gfx::Matrix(cos(angle) * scale, sin(angle) * scale,
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-sin(angle) * scale, cos(angle) * scale,
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aX, aY);
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}
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nsSVGViewBoxRect
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SVGMarkerElement::GetViewBoxRect()
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{
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if (mViewBox.HasRect()) {
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return mViewBox.GetAnimValue();
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}
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return nsSVGViewBoxRect(
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0, 0,
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mLengthAttributes[MARKERWIDTH].GetAnimValue(mCoordCtx),
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mLengthAttributes[MARKERHEIGHT].GetAnimValue(mCoordCtx));
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}
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gfx::Matrix
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SVGMarkerElement::GetViewBoxTransform()
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{
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if (!mViewBoxToViewportTransform) {
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float viewportWidth =
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mLengthAttributes[MARKERWIDTH].GetAnimValue(mCoordCtx);
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float viewportHeight =
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mLengthAttributes[MARKERHEIGHT].GetAnimValue(mCoordCtx);
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nsSVGViewBoxRect viewbox = GetViewBoxRect();
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MOZ_ASSERT(viewbox.width > 0.0f && viewbox.height > 0.0f,
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"Rendering should be disabled");
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gfx::Matrix viewBoxTM =
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SVGContentUtils::GetViewBoxTransform(viewportWidth, viewportHeight,
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viewbox.x, viewbox.y,
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viewbox.width, viewbox.height,
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mPreserveAspectRatio);
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float refX = mLengthAttributes[REFX].GetAnimValue(mCoordCtx);
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float refY = mLengthAttributes[REFY].GetAnimValue(mCoordCtx);
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gfx::Point ref = viewBoxTM.TransformPoint(gfx::Point(refX, refY));
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Matrix TM = viewBoxTM;
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TM.PostTranslate(-ref.x, -ref.y);
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mViewBoxToViewportTransform = new gfx::Matrix(TM);
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}
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return *mViewBoxToViewportTransform;
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}
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/* static */ bool
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SVGMarkerElement::MarkerImprovementsPrefEnabled()
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{
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return Preferences::GetBool("svg.marker-improvements.enabled", false);
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}
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} // namespace dom
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} // namespace mozilla
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