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
  14 NS_IMPL_NS_NEW_SVG_ELEMENT(FEFlood)
  15
  16 using namespace mozilla::gfx;
  17
  18 namespace mozilla {
  19 namespace dom {
  20
  21 JSObject* SVGFEFloodElement::WrapNode(JSContext* aCx,
  22                                       JS::Handle<JSObject*> aGivenProto) {
  23   return SVGFEFloodElement_Binding::Wrap(aCx, this, aGivenProto);
  24 }
  25
  26 SVGElement::StringInfo SVGFEFloodElement::sStringInfo[1] = {
  27     {nsGkAtoms::result, kNameSpaceID_None, true}};
  28
  29 //----------------------------------------------------------------------
  30 // nsINode methods
  31
  32 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEFloodElement)
  33
  34 FilterPrimitiveDescription SVGFEFloodElement::GetPrimitiveDescription(
  35     SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
  36     const nsTArray<bool>& aInputsAreTainted,
  37     nsTArray<RefPtr<SourceSurface>>& aInputImages) {
  38   FloodAttributes atts;
  39   nsIFrame* frame = GetPrimaryFrame();
  40   if (frame) {
  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 //----------------------------------------------------------------------
  53 // nsIContent methods
  54
  55 NS_IMETHODIMP_(bool)
  56 SVGFEFloodElement::IsAttributeMapped(const nsAtom* name) const {
  57   static const MappedAttributeEntry* const map[] = {sColorMap, sFEFloodMap};
  58
  59   return FindAttributeDependence(name, map) ||
  60          SVGFEFloodElementBase::IsAttributeMapped(name);
  61 }
  62
  63 //----------------------------------------------------------------------
  64 // SVGElement methods
  65
  66 SVGElement::StringAttributesInfo SVGFEFloodElement::GetStringInfo() {
  67   return StringAttributesInfo(mStringAttributes, sStringInfo,
  68                               ArrayLength(sStringInfo));
  69 }
  70
  71 }  // namespace dom
  72 }  // namespace mozilla