tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

SVGFECompositeElement.cpp (5562B)

      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/SVGFECompositeElement.h"
      8 
      9 #include "mozilla/dom/BindContext.h"
     10 #include "mozilla/dom/Document.h"
     11 #include "mozilla/dom/SVGFECompositeElementBinding.h"
     12 
     13 NS_IMPL_NS_NEW_SVG_ELEMENT(FEComposite)
     14 
     15 using namespace mozilla::gfx;
     16 
     17 namespace mozilla::dom {
     18 
     19 JSObject* SVGFECompositeElement::WrapNode(JSContext* aCx,
     20                                          JS::Handle<JSObject*> aGivenProto) {
     21  return SVGFECompositeElement_Binding::Wrap(aCx, this, aGivenProto);
     22 }
     23 
     24 SVGElement::NumberInfo SVGFECompositeElement::sNumberInfo[4] = {
     25    {nsGkAtoms::k1, 0},
     26    {nsGkAtoms::k2, 0},
     27    {nsGkAtoms::k3, 0},
     28    {nsGkAtoms::k4, 0}};
     29 
     30 SVGEnumMapping SVGFECompositeElement::sOperatorMap[] = {
     31    {nsGkAtoms::over, SVG_FECOMPOSITE_OPERATOR_OVER},
     32    {nsGkAtoms::in, SVG_FECOMPOSITE_OPERATOR_IN},
     33    {nsGkAtoms::out, SVG_FECOMPOSITE_OPERATOR_OUT},
     34    {nsGkAtoms::atop, SVG_FECOMPOSITE_OPERATOR_ATOP},
     35    {nsGkAtoms::xor_, SVG_FECOMPOSITE_OPERATOR_XOR},
     36    {nsGkAtoms::arithmetic, SVG_FECOMPOSITE_OPERATOR_ARITHMETIC},
     37    {nsGkAtoms::lighter, SVG_FECOMPOSITE_OPERATOR_LIGHTER},
     38    {nullptr, 0}};
     39 
     40 SVGElement::EnumInfo SVGFECompositeElement::sEnumInfo[1] = {
     41    {nsGkAtoms::_operator, sOperatorMap, SVG_FECOMPOSITE_OPERATOR_OVER}};
     42 
     43 SVGElement::StringInfo SVGFECompositeElement::sStringInfo[3] = {
     44    {nsGkAtoms::result, kNameSpaceID_None, true},
     45    {nsGkAtoms::in, kNameSpaceID_None, true},
     46    {nsGkAtoms::in2, kNameSpaceID_None, true}};
     47 
     48 //----------------------------------------------------------------------
     49 // nsINode methods
     50 
     51 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFECompositeElement)
     52 
     53 already_AddRefed<DOMSVGAnimatedString> SVGFECompositeElement::In1() {
     54  return mStringAttributes[IN1].ToDOMAnimatedString(this);
     55 }
     56 
     57 already_AddRefed<DOMSVGAnimatedString> SVGFECompositeElement::In2() {
     58  return mStringAttributes[IN2].ToDOMAnimatedString(this);
     59 }
     60 
     61 already_AddRefed<DOMSVGAnimatedEnumeration> SVGFECompositeElement::Operator() {
     62  return mEnumAttributes[OPERATOR].ToDOMAnimatedEnum(this);
     63 }
     64 
     65 already_AddRefed<DOMSVGAnimatedNumber> SVGFECompositeElement::K1() {
     66  return mNumberAttributes[ATTR_K1].ToDOMAnimatedNumber(this);
     67 }
     68 
     69 already_AddRefed<DOMSVGAnimatedNumber> SVGFECompositeElement::K2() {
     70  return mNumberAttributes[ATTR_K2].ToDOMAnimatedNumber(this);
     71 }
     72 
     73 already_AddRefed<DOMSVGAnimatedNumber> SVGFECompositeElement::K3() {
     74  return mNumberAttributes[ATTR_K3].ToDOMAnimatedNumber(this);
     75 }
     76 
     77 already_AddRefed<DOMSVGAnimatedNumber> SVGFECompositeElement::K4() {
     78  return mNumberAttributes[ATTR_K4].ToDOMAnimatedNumber(this);
     79 }
     80 
     81 void SVGFECompositeElement::SetK(float k1, float k2, float k3, float k4) {
     82  mNumberAttributes[ATTR_K1].SetBaseValue(k1, this);
     83  mNumberAttributes[ATTR_K2].SetBaseValue(k2, this);
     84  mNumberAttributes[ATTR_K3].SetBaseValue(k3, this);
     85  mNumberAttributes[ATTR_K4].SetBaseValue(k4, this);
     86 }
     87 
     88 FilterPrimitiveDescription SVGFECompositeElement::GetPrimitiveDescription(
     89    SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
     90    const nsTArray<bool>& aInputsAreTainted,
     91    nsTArray<RefPtr<SourceSurface>>& aInputImages) {
     92  CompositeAttributes atts;
     93  uint32_t op = mEnumAttributes[OPERATOR].GetAnimValue();
     94  atts.mOperator = op;
     95 
     96  if (op == SVG_FECOMPOSITE_OPERATOR_ARITHMETIC) {
     97    std::array<float, 4> k;
     98    GetAnimatedNumberValues(&k[0], &k[1], &k[2], &k[3], nullptr);
     99    atts.mCoefficients.AppendElements(Span(k));
    100  }
    101 
    102  return FilterPrimitiveDescription(AsVariant(std::move(atts)));
    103 }
    104 
    105 bool SVGFECompositeElement::AttributeAffectsRendering(
    106    int32_t aNameSpaceID, nsAtom* aAttribute) const {
    107  return SVGFECompositeElementBase::AttributeAffectsRendering(aNameSpaceID,
    108                                                              aAttribute) ||
    109         (aNameSpaceID == kNameSpaceID_None &&
    110          (aAttribute == nsGkAtoms::in || aAttribute == nsGkAtoms::in2 ||
    111           aAttribute == nsGkAtoms::k1 || aAttribute == nsGkAtoms::k2 ||
    112           aAttribute == nsGkAtoms::k3 || aAttribute == nsGkAtoms::k4 ||
    113           aAttribute == nsGkAtoms::_operator));
    114 }
    115 
    116 void SVGFECompositeElement::GetSourceImageNames(
    117    nsTArray<SVGStringInfo>& aSources) {
    118  aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
    119  aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN2], this));
    120 }
    121 
    122 nsresult SVGFECompositeElement::BindToTree(BindContext& aCtx,
    123                                           nsINode& aParent) {
    124  if (aCtx.InComposedDoc()) {
    125    aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feComposite);
    126  }
    127 
    128  return SVGFECompositeElementBase::BindToTree(aCtx, aParent);
    129 }
    130 
    131 //----------------------------------------------------------------------
    132 // SVGElement methods
    133 
    134 SVGElement::NumberAttributesInfo SVGFECompositeElement::GetNumberInfo() {
    135  return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
    136                              std::size(sNumberInfo));
    137 }
    138 
    139 SVGElement::EnumAttributesInfo SVGFECompositeElement::GetEnumInfo() {
    140  return EnumAttributesInfo(mEnumAttributes, sEnumInfo, std::size(sEnumInfo));
    141 }
    142 
    143 SVGElement::StringAttributesInfo SVGFECompositeElement::GetStringInfo() {
    144  return StringAttributesInfo(mStringAttributes, sStringInfo,
    145                              std::size(sStringInfo));
    146 }
    147 
    148 }  // namespace mozilla::dom