dom/svg/SVGFEPointLightElement.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/SVGFEPointLightElement.h"
   8 #include "mozilla/dom/SVGFEPointLightElementBinding.h"
   9 #include "mozilla/SVGFilterInstance.h"
  10
  11 NS_IMPL_NS_NEW_SVG_ELEMENT(FEPointLight)
  12
  13 using namespace mozilla::gfx;
  14
  15 namespace mozilla::dom {
  16
  17 JSObject* SVGFEPointLightElement::WrapNode(JSContext* aCx,
  18                                            JS::Handle<JSObject*> aGivenProto) {
  19   return SVGFEPointLightElement_Binding::Wrap(aCx, this, aGivenProto);
  20 }
  21
  22 SVGElement::NumberInfo SVGFEPointLightElement::sNumberInfo[3] = {
  23     {nsGkAtoms::x, 0}, {nsGkAtoms::y, 0}, {nsGkAtoms::z, 0}};
  24
  25 //----------------------------------------------------------------------
  26 // nsINode methods
  27
  28 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEPointLightElement)
  29
  30 //----------------------------------------------------------------------
  31 // SVGFilterPrimitiveChildElement methods
  32
  33 bool SVGFEPointLightElement::AttributeAffectsRendering(
  34     int32_t aNameSpaceID, nsAtom* aAttribute) const {
  35   return aNameSpaceID == kNameSpaceID_None &&
  36          (aAttribute == nsGkAtoms::x || aAttribute == nsGkAtoms::y ||
  37           aAttribute == nsGkAtoms::z);
  38 }
  39
  40 //----------------------------------------------------------------------
  41
  42 LightType SVGFEPointLightElement::ComputeLightAttributes(
  43     SVGFilterInstance* aInstance, nsTArray<float>& aFloatAttributes) {
  44   Point3D lightPos;
  45   GetAnimatedNumberValues(&lightPos.x, &lightPos.y, &lightPos.z, nullptr);
  46   lightPos = aInstance->ConvertLocation(lightPos);
  47   aFloatAttributes.SetLength(kPointLightNumAttributes);
  48   aFloatAttributes[kPointLightPositionXIndex] = lightPos.x;
  49   aFloatAttributes[kPointLightPositionYIndex] = lightPos.y;
  50   aFloatAttributes[kPointLightPositionZIndex] = lightPos.z;
  51   return LightType::Point;
  52 }
  53
  54 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::X() {
  55   return mNumberAttributes[ATTR_X].ToDOMAnimatedNumber(this);
  56 }
  57
  58 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::Y() {
  59   return mNumberAttributes[ATTR_Y].ToDOMAnimatedNumber(this);
  60 }
  61
  62 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::Z() {
  63   return mNumberAttributes[ATTR_Z].ToDOMAnimatedNumber(this);
  64 }
  65
  66 //----------------------------------------------------------------------
  67 // SVGElement methods
  68
  69 SVGElement::NumberAttributesInfo SVGFEPointLightElement::GetNumberInfo() {
  70   return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
  71                               ArrayLength(sNumberInfo));
  72 }
  73
  74 }  // namespace mozilla::dom