| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| * Copyright (C) 2005 Eric Seidel <eric@webkit.org> |
| * Copyright (C) 2009 Dirk Schulze <krit@webkit.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 "config.h" |
| #include "FEFlood.h" |
| |
| #include "Filter.h" |
| #include "GraphicsContext.h" |
| #include <wtf/text/TextStream.h> |
| |
| namespace WebCore { |
| |
| FEFlood::FEFlood(Filter& filter, const Color& floodColor, float floodOpacity) |
| : FilterEffect(filter) |
| , m_floodColor(floodColor) |
| , m_floodOpacity(floodOpacity) |
| { |
| } |
| |
| Ref<FEFlood> FEFlood::create(Filter& filter, const Color& floodColor, float floodOpacity) |
| { |
| return adoptRef(*new FEFlood(filter, floodColor, floodOpacity)); |
| } |
| |
| bool FEFlood::setFloodColor(const Color& color) |
| { |
| if (m_floodColor == color) |
| return false; |
| m_floodColor = color; |
| return true; |
| } |
| |
| bool FEFlood::setFloodOpacity(float floodOpacity) |
| { |
| if (m_floodOpacity == floodOpacity) |
| return false; |
| m_floodOpacity = floodOpacity; |
| return true; |
| } |
| |
| void FEFlood::platformApplySoftware() |
| { |
| ImageBuffer* resultImage = createImageBufferResult(); |
| if (!resultImage) |
| return; |
| |
| // FIXME: This should use colorWithAlphaMultipliedBy() but that has different rounding of the alpha component that breaks some tests. |
| float colorAlpha = floodColor().alpha() / 255.0; |
| auto color = colorWithOverrideAlpha(floodColor().rgb(), colorAlpha * floodOpacity()); |
| resultImage->context().fillRect(FloatRect(FloatPoint(), absolutePaintRect().size()), color); |
| } |
| |
| TextStream& FEFlood::externalRepresentation(TextStream& ts, RepresentationType representation) const |
| { |
| ts << indent << "[feFlood"; |
| FilterEffect::externalRepresentation(ts, representation); |
| ts << " flood-color=\"" << floodColor().nameForRenderTreeAsText() << "\" " |
| << "flood-opacity=\"" << floodOpacity() << "\"]\n"; |
| return ts; |
| } |
| |
| } // namespace WebCore |