dom/svg/SVGFEFloodElement.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/SVGFEFloodElement.h"
   8
   9 #include "FilterSupport.h"
  10 #include "mozilla/dom/SVGFEFloodElementBinding.h"
  11 #include "nsColor.h"
  12 #include "nsIFrame.h"
  13 #include "mozilla/dom/Document.h"
  14 #include "mozilla/dom/BindContext.h"
  15
  16 NS_IMPL_NS_NEW_SVG_ELEMENT(FEFlood)
  17
  18 using namespace mozilla::gfx;
  19
  20 namespace mozilla::dom {
  21
  22 JSObject* SVGFEFloodElement::WrapNode(JSContext* aCx,
  23                                       JS::Handle<JSObject*> aGivenProto) {
  24   return SVGFEFloodElement_Binding::Wrap(aCx, this, aGivenProto);
  25 }
  26
  27 SVGElement::StringInfo SVGFEFloodElement::sStringInfo[1] = {
  28     {nsGkAtoms::result, kNameSpaceID_None, true}};
  29
  30 //----------------------------------------------------------------------
  31 // nsINode methods
  32
  33 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEFloodElement)
  34
  35 FilterPrimitiveDescription SVGFEFloodElement::GetPrimitiveDescription(
  36     SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
  37     const nsTArray<bool>& aInputsAreTainted,
  38     nsTArray<RefPtr<SourceSurface>>& aInputImages) {
  39   FloodAttributes atts;
  40   if (const auto* frame = GetPrimaryFrame()) {
  41     const nsStyleSVGReset* styleSVGReset = frame->Style()->StyleSVGReset();
  42     sRGBColor color(
  43         sRGBColor::FromABGR(styleSVGReset->mFloodColor.CalcColor(frame)));
  44     color.a *= styleSVGReset->mFloodOpacity;
  45     atts.mColor = color;
  46   } else {
  47     atts.mColor = sRGBColor();
  48   }
  49   return FilterPrimitiveDescription(AsVariant(std::move(atts)));
  50 }
  51
  52 bool SVGFEFloodElement::OutputIsTainted(const nsTArray<bool>& aInputsAreTainted,
  53                                         nsIPrincipal* aReferencePrincipal) {
  54   if (const auto* frame = GetPrimaryFrame()) {
  55     if (frame->Style()->StyleSVGReset()->mFloodColor.IsCurrentColor()) {
  56       return true;
  57     }
  58   }
  59
  60   return SVGFEFloodElementBase::OutputIsTainted(aInputsAreTainted,
  61                                                 aReferencePrincipal);
  62 }
  63
  64 //----------------------------------------------------------------------
  65 // nsIContent methods
  66
  67 nsresult SVGFEFloodElement::BindToTree(BindContext& aCtx, nsINode& aParent) {
  68   if (aCtx.InComposedDoc()) {
  69     aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feFlood);
  70   }
  71
  72   return SVGFEFloodElementBase::BindToTree(aCtx, aParent);
  73 }
  74
  75 //----------------------------------------------------------------------
  76 // SVGElement methods
  77
  78 SVGElement::StringAttributesInfo SVGFEFloodElement::GetStringInfo() {
  79   return StringAttributesInfo(mStringAttributes, sStringInfo,
  80                               std::size(sStringInfo));
  81 }
  82
  83 }  // namespace mozilla::dom