tor-browser

The Tor Browser
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SVGFEPointLightElement.cpp (2783B)

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