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 "nsSVGFilterInstance.h"
  10
  11 NS_IMPL_NS_NEW_SVG_ELEMENT(FEPointLight)
  12
  13 using namespace mozilla::gfx;
  14
  15 namespace mozilla {
  16 namespace dom {
  17
  18 JSObject* SVGFEPointLightElement::WrapNode(JSContext* aCx,
  19                                            JS::Handle<JSObject*> aGivenProto) {
  20   return SVGFEPointLightElement_Binding::Wrap(aCx, this, aGivenProto);
  21 }
  22
  23 SVGElement::NumberInfo SVGFEPointLightElement::sNumberInfo[3] = {
  24     {nsGkAtoms::x, 0, false},
  25     {nsGkAtoms::y, 0, false},
  26     {nsGkAtoms::z, 0, false}};
  27
  28 //----------------------------------------------------------------------
  29 // nsINode methods
  30
  31 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEPointLightElement)
  32
  33 //----------------------------------------------------------------------
  34 // nsFEUnstyledElement methods
  35
  36 bool SVGFEPointLightElement::AttributeAffectsRendering(
  37     int32_t aNameSpaceID, nsAtom* aAttribute) const {
  38   return aNameSpaceID == kNameSpaceID_None &&
  39          (aAttribute == nsGkAtoms::x || aAttribute == nsGkAtoms::y ||
  40           aAttribute == nsGkAtoms::z);
  41 }
  42
  43 //----------------------------------------------------------------------
  44
  45 LightType SVGFEPointLightElement::ComputeLightAttributes(
  46     nsSVGFilterInstance* aInstance, nsTArray<float>& aFloatAttributes) {
  47   Point3D lightPos;
  48   GetAnimatedNumberValues(&lightPos.x, &lightPos.y, &lightPos.z, nullptr);
  49   lightPos = aInstance->ConvertLocation(lightPos);
  50   aFloatAttributes.SetLength(kPointLightNumAttributes);
  51   aFloatAttributes[kPointLightPositionXIndex] = lightPos.x;
  52   aFloatAttributes[kPointLightPositionYIndex] = lightPos.y;
  53   aFloatAttributes[kPointLightPositionZIndex] = lightPos.z;
  54   return LightType::Point;
  55 }
  56
  57 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::X() {
  58   return mNumberAttributes[ATTR_X].ToDOMAnimatedNumber(this);
  59 }
  60
  61 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::Y() {
  62   return mNumberAttributes[ATTR_Y].ToDOMAnimatedNumber(this);
  63 }
  64
  65 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::Z() {
  66   return mNumberAttributes[ATTR_Z].ToDOMAnimatedNumber(this);
  67 }
  68
  69 //----------------------------------------------------------------------
  70 // SVGElement methods
  71
  72 SVGElement::NumberAttributesInfo SVGFEPointLightElement::GetNumberInfo() {
  73   return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
  74                               ArrayLength(sNumberInfo));
  75 }
  76
  77 }  // namespace dom
  78 }  // namespace mozilla