gecko-dev/dom/svg/SVGFEFloodElement.cpp

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/dom/SVGFEFloodElement.h"

#include "FilterSupport.h"
#include "mozilla/dom/SVGFEFloodElementBinding.h"
#include "nsColor.h"
#include "nsIFrame.h"

NS_IMPL_NS_NEW_SVG_ELEMENT(FEFlood)

using namespace mozilla::gfx;

namespace mozilla {
namespace dom {

JSObject* SVGFEFloodElement::WrapNode(JSContext* aCx,
                                      JS::Handle<JSObject*> aGivenProto) {
  return SVGFEFloodElement_Binding::Wrap(aCx, this, aGivenProto);
}

SVGElement::StringInfo SVGFEFloodElement::sStringInfo[1] = {
    {nsGkAtoms::result, kNameSpaceID_None, true}};

//----------------------------------------------------------------------
// nsINode methods

NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEFloodElement)

FilterPrimitiveDescription SVGFEFloodElement::GetPrimitiveDescription(
    SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
    const nsTArray<bool>& aInputsAreTainted,
    nsTArray<RefPtr<SourceSurface>>& aInputImages) {
  FloodAttributes atts;
  nsIFrame* frame = GetPrimaryFrame();
  if (frame) {
    const nsStyleSVGReset* styleSVGReset = frame->Style()->StyleSVGReset();
    sRGBColor color(
        sRGBColor::FromABGR(styleSVGReset->mFloodColor.CalcColor(frame)));
    color.a *= styleSVGReset->mFloodOpacity;
    atts.mColor = color;
  } else {
    atts.mColor = sRGBColor();
  }
  return FilterPrimitiveDescription(AsVariant(std::move(atts)));
}

//----------------------------------------------------------------------
// nsIContent methods

NS_IMETHODIMP_(bool)
SVGFEFloodElement::IsAttributeMapped(const nsAtom* name) const {
  static const MappedAttributeEntry* const map[] = {sColorMap, sFEFloodMap};

  return FindAttributeDependence(name, map) ||
         SVGFEFloodElementBase::IsAttributeMapped(name);
}

//----------------------------------------------------------------------
// SVGElement methods

SVGElement::StringAttributesInfo SVGFEFloodElement::GetStringInfo() {
  return StringAttributesInfo(mStringAttributes, sStringInfo,
                              ArrayLength(sStringInfo));
}

}  // namespace dom
}  // namespace mozilla