tor-browser

The Tor Browser
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SVGFEDistantLightElement.cpp (2441B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "mozilla/dom/SVGFEDistantLightElement.h"
      8 
      9 #include "mozilla/SVGFilterInstance.h"
     10 #include "mozilla/dom/SVGFEDistantLightElementBinding.h"
     11 
     12 NS_IMPL_NS_NEW_SVG_ELEMENT(FEDistantLight)
     13 
     14 using namespace mozilla::gfx;
     15 
     16 namespace mozilla::dom {
     17 
     18 JSObject* SVGFEDistantLightElement::WrapNode(
     19    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
     20  return SVGFEDistantLightElement_Binding::Wrap(aCx, this, aGivenProto);
     21 }
     22 
     23 SVGElement::NumberInfo SVGFEDistantLightElement::sNumberInfo[2] = {
     24    {nsGkAtoms::azimuth, 0}, {nsGkAtoms::elevation, 0}};
     25 
     26 //----------------------------------------------------------------------
     27 //----------------------------------------------------------------------
     28 // nsINode methods
     29 
     30 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDistantLightElement)
     31 
     32 // SVGFilterPrimitiveChildElement methods
     33 
     34 bool SVGFEDistantLightElement::AttributeAffectsRendering(
     35    int32_t aNameSpaceID, nsAtom* aAttribute) const {
     36  return aNameSpaceID == kNameSpaceID_None &&
     37         (aAttribute == nsGkAtoms::azimuth ||
     38          aAttribute == nsGkAtoms::elevation);
     39 }
     40 
     41 LightType SVGFEDistantLightElement::ComputeLightAttributes(
     42    SVGFilterInstance* aInstance, nsTArray<float>& aFloatAttributes) {
     43  float azimuth, elevation;
     44  GetAnimatedNumberValues(&azimuth, &elevation, nullptr);
     45 
     46  aFloatAttributes.SetLength(kDistantLightNumAttributes);
     47  aFloatAttributes[kDistantLightAzimuthIndex] = azimuth;
     48  aFloatAttributes[kDistantLightElevationIndex] = elevation;
     49  return LightType::Distant;
     50 }
     51 
     52 already_AddRefed<DOMSVGAnimatedNumber> SVGFEDistantLightElement::Azimuth() {
     53  return mNumberAttributes[AZIMUTH].ToDOMAnimatedNumber(this);
     54 }
     55 
     56 already_AddRefed<DOMSVGAnimatedNumber> SVGFEDistantLightElement::Elevation() {
     57  return mNumberAttributes[ELEVATION].ToDOMAnimatedNumber(this);
     58 }
     59 
     60 //----------------------------------------------------------------------
     61 // SVGElement methods
     62 
     63 SVGElement::NumberAttributesInfo SVGFEDistantLightElement::GetNumberInfo() {
     64  return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
     65                              std::size(sNumberInfo));
     66 }
     67 
     68 }  // namespace mozilla::dom