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, false},
  24     {nsGkAtoms::y, 0, false},
  25     {nsGkAtoms::z, 0, false}};
  26
  27 //----------------------------------------------------------------------
  28 // nsINode methods
  29
  30 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEPointLightElement)
  31
  32 //----------------------------------------------------------------------
  33 // nsFEUnstyledElement methods
  34
  35 bool SVGFEPointLightElement::AttributeAffectsRendering(
  36     int32_t aNameSpaceID, nsAtom* aAttribute) const {
  37   return aNameSpaceID == kNameSpaceID_None &&
  38          (aAttribute == nsGkAtoms::x || aAttribute == nsGkAtoms::y ||
  39           aAttribute == nsGkAtoms::z);
  40 }
  41
  42 //----------------------------------------------------------------------
  43
  44 LightType SVGFEPointLightElement::ComputeLightAttributes(
  45     SVGFilterInstance* aInstance, nsTArray<float>& aFloatAttributes) {
  46   Point3D lightPos;
  47   GetAnimatedNumberValues(&lightPos.x, &lightPos.y, &lightPos.z, nullptr);
  48   lightPos = aInstance->ConvertLocation(lightPos);
  49   aFloatAttributes.SetLength(kPointLightNumAttributes);
  50   aFloatAttributes[kPointLightPositionXIndex] = lightPos.x;
  51   aFloatAttributes[kPointLightPositionYIndex] = lightPos.y;
  52   aFloatAttributes[kPointLightPositionZIndex] = lightPos.z;
  53   return LightType::Point;
  54 }
  55
  56 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::X() {
  57   return mNumberAttributes[ATTR_X].ToDOMAnimatedNumber(this);
  58 }
  59
  60 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::Y() {
  61   return mNumberAttributes[ATTR_Y].ToDOMAnimatedNumber(this);
  62 }
  63
  64 already_AddRefed<DOMSVGAnimatedNumber> SVGFEPointLightElement::Z() {
  65   return mNumberAttributes[ATTR_Z].ToDOMAnimatedNumber(this);
  66 }
  67
  68 //----------------------------------------------------------------------
  69 // SVGElement methods
  70
  71 SVGElement::NumberAttributesInfo SVGFEPointLightElement::GetNumberInfo() {
  72   return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
  73                               ArrayLength(sNumberInfo));
  74 }
  75
  76 }  // namespace mozilla::dom