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/*
 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2007, 2008 Rob Buis <buis@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "third_party/blink/renderer/core/svg/svg_fe_flood_element.h"

#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/core/style/svg_computed_style.h"
#include "third_party/blink/renderer/core/svg_names.h"
#include "third_party/blink/renderer/platform/graphics/filters/fe_flood.h"

namespace blink {

inline SVGFEFloodElement::SVGFEFloodElement(Document& document)
    : SVGFilterPrimitiveStandardAttributes(SVGNames::feFloodTag, document) {}

DEFINE_NODE_FACTORY(SVGFEFloodElement)

bool SVGFEFloodElement::SetFilterEffectAttribute(
    FilterEffect* effect,
    const QualifiedName& attr_name) {
  LayoutObject* layout_object = this->GetLayoutObject();
  DCHECK(layout_object);
  const ComputedStyle& style = layout_object->StyleRef();
  FEFlood* flood = static_cast<FEFlood*>(effect);

  if (attr_name == SVGNames::flood_colorAttr)
    return flood->SetFloodColor(style.SvgStyle().FloodColor());
  if (attr_name == SVGNames::flood_opacityAttr)
    return flood->SetFloodOpacity(style.SvgStyle().FloodOpacity());

  return SVGFilterPrimitiveStandardAttributes::SetFilterEffectAttribute(
      effect, attr_name);
}

FilterEffect* SVGFEFloodElement::Build(SVGFilterBuilder*, Filter* filter) {
  LayoutObject* layout_object = this->GetLayoutObject();
  if (!layout_object)
    return nullptr;

  DCHECK(layout_object->Style());
  const SVGComputedStyle& svg_style = layout_object->StyleRef().SvgStyle();

  Color color = svg_style.FloodColor();
  float opacity = svg_style.FloodOpacity();

  return FEFlood::Create(filter, color, opacity);
}

}  // namespace blink