dom/svg/SVGFEDistantLightElement.cpp

   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 #include "mozilla/dom/SVGFEDistantLightElementBinding.h"
   9 #include "mozilla/SVGFilterInstance.h"
  10
  11 NS_IMPL_NS_NEW_SVG_ELEMENT(FEDistantLight)
  12
  13 using namespace mozilla::gfx;
  14
  15 namespace mozilla::dom {
  16
  17 JSObject* SVGFEDistantLightElement::WrapNode(
  18     JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
  19   return SVGFEDistantLightElement_Binding::Wrap(aCx, this, aGivenProto);
  20 }
  21
  22 SVGElement::NumberInfo SVGFEDistantLightElement::sNumberInfo[2] = {
  23     {nsGkAtoms::azimuth, 0}, {nsGkAtoms::elevation, 0}};
  24
  25 //----------------------------------------------------------------------
  26 //----------------------------------------------------------------------
  27 // nsINode methods
  28
  29 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDistantLightElement)
  30
  31 // SVGFilterPrimitiveChildElement methods
  32
  33 bool SVGFEDistantLightElement::AttributeAffectsRendering(
  34     int32_t aNameSpaceID, nsAtom* aAttribute) const {
  35   return aNameSpaceID == kNameSpaceID_None &&
  36          (aAttribute == nsGkAtoms::azimuth ||
  37           aAttribute == nsGkAtoms::elevation);
  38 }
  39
  40 LightType SVGFEDistantLightElement::ComputeLightAttributes(
  41     SVGFilterInstance* aInstance, nsTArray<float>& aFloatAttributes) {
  42   float azimuth, elevation;
  43   GetAnimatedNumberValues(&azimuth, &elevation, nullptr);
  44
  45   aFloatAttributes.SetLength(kDistantLightNumAttributes);
  46   aFloatAttributes[kDistantLightAzimuthIndex] = azimuth;
  47   aFloatAttributes[kDistantLightElevationIndex] = elevation;
  48   return LightType::Distant;
  49 }
  50
  51 already_AddRefed<DOMSVGAnimatedNumber> SVGFEDistantLightElement::Azimuth() {
  52   return mNumberAttributes[AZIMUTH].ToDOMAnimatedNumber(this);
  53 }
  54
  55 already_AddRefed<DOMSVGAnimatedNumber> SVGFEDistantLightElement::Elevation() {
  56   return mNumberAttributes[ELEVATION].ToDOMAnimatedNumber(this);
  57 }
  58
  59 //----------------------------------------------------------------------
  60 // SVGElement methods
  61
  62 SVGElement::NumberAttributesInfo SVGFEDistantLightElement::GetNumberInfo() {
  63   return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
  64                               ArrayLength(sNumberInfo));
  65 }
  66
  67 }  // namespace mozilla::dom