dom/svg/SVGFESpotLightElement.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/SVGFESpotLightElement.h"
   8 #include "mozilla/dom/SVGFESpotLightElementBinding.h"
   9 #include "mozilla/SVGFilterInstance.h"
  10
  11 NS_IMPL_NS_NEW_SVG_ELEMENT(FESpotLight)
  12
  13 using namespace mozilla::gfx;
  14
  15 namespace mozilla::dom {
  16
  17 JSObject* SVGFESpotLightElement::WrapNode(JSContext* aCx,
  18                                           JS::Handle<JSObject*> aGivenProto) {
  19   return SVGFESpotLightElement_Binding::Wrap(aCx, this, aGivenProto);
  20 }
  21
  22 SVGElement::NumberInfo SVGFESpotLightElement::sNumberInfo[8] = {
  23     {nsGkAtoms::x, 0},
  24     {nsGkAtoms::y, 0},
  25     {nsGkAtoms::z, 0},
  26     {nsGkAtoms::pointsAtX, 0},
  27     {nsGkAtoms::pointsAtY, 0},
  28     {nsGkAtoms::pointsAtZ, 0},
  29     {nsGkAtoms::specularExponent, 1},
  30     {nsGkAtoms::limitingConeAngle, 0}};
  31
  32 //----------------------------------------------------------------------
  33 // nsINode methods
  34
  35 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFESpotLightElement)
  36
  37 //----------------------------------------------------------------------
  38 // SVGFilterPrimitiveChildElement methods
  39
  40 bool SVGFESpotLightElement::AttributeAffectsRendering(
  41     int32_t aNameSpaceID, nsAtom* aAttribute) const {
  42   return aNameSpaceID == kNameSpaceID_None &&
  43          (aAttribute == nsGkAtoms::x || aAttribute == nsGkAtoms::y ||
  44           aAttribute == nsGkAtoms::z || aAttribute == nsGkAtoms::pointsAtX ||
  45           aAttribute == nsGkAtoms::pointsAtY ||
  46           aAttribute == nsGkAtoms::pointsAtZ ||
  47           aAttribute == nsGkAtoms::specularExponent ||
  48           aAttribute == nsGkAtoms::limitingConeAngle);
  49 }
  50
  51 //----------------------------------------------------------------------
  52
  53 LightType SVGFESpotLightElement::ComputeLightAttributes(
  54     SVGFilterInstance* aInstance, nsTArray<float>& aFloatAttributes) {
  55   aFloatAttributes.SetLength(kSpotLightNumAttributes);
  56   GetAnimatedNumberValues(&aFloatAttributes[kSpotLightPositionXIndex],
  57                           &aFloatAttributes[kSpotLightPositionYIndex],
  58                           &aFloatAttributes[kSpotLightPositionZIndex],
  59                           &aFloatAttributes[kSpotLightPointsAtXIndex],
  60                           &aFloatAttributes[kSpotLightPointsAtYIndex],
  61                           &aFloatAttributes[kSpotLightPointsAtZIndex],
  62                           &aFloatAttributes[kSpotLightFocusIndex],
  63                           &aFloatAttributes[kSpotLightLimitingConeAngleIndex],
  64                           nullptr);
  65   if (!mNumberAttributes[SVGFESpotLightElement::LIMITING_CONE_ANGLE]
  66            .IsExplicitlySet()) {
  67     aFloatAttributes[kSpotLightLimitingConeAngleIndex] = 90;
  68   }
  69
  70   return LightType::Spot;
  71 }
  72
  73 already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::X() {
  74   return mNumberAttributes[ATTR_X].ToDOMAnimatedNumber(this);
  75 }
  76
  77 already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::Y() {
  78   return mNumberAttributes[ATTR_Y].ToDOMAnimatedNumber(this);
  79 }
  80
  81 already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::Z() {
  82   return mNumberAttributes[ATTR_Z].ToDOMAnimatedNumber(this);
  83 }
  84
  85 already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::PointsAtX() {
  86   return mNumberAttributes[POINTS_AT_X].ToDOMAnimatedNumber(this);
  87 }
  88
  89 already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::PointsAtY() {
  90   return mNumberAttributes[POINTS_AT_Y].ToDOMAnimatedNumber(this);
  91 }
  92
  93 already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::PointsAtZ() {
  94   return mNumberAttributes[POINTS_AT_Z].ToDOMAnimatedNumber(this);
  95 }
  96
  97 already_AddRefed<DOMSVGAnimatedNumber>
  98 SVGFESpotLightElement::SpecularExponent() {
  99   return mNumberAttributes[SPECULAR_EXPONENT].ToDOMAnimatedNumber(this);
 100 }
 101
 102 already_AddRefed<DOMSVGAnimatedNumber>
 103 SVGFESpotLightElement::LimitingConeAngle() {
 104   return mNumberAttributes[LIMITING_CONE_ANGLE].ToDOMAnimatedNumber(this);
 105 }
 106
 107 //----------------------------------------------------------------------
 108 // SVGElement methods
 109
 110 SVGElement::NumberAttributesInfo SVGFESpotLightElement::GetNumberInfo() {
 111   return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
 112                               ArrayLength(sNumberInfo));
 113 }
 114
 115 }  // namespace mozilla::dom