| /* |
| * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
| * Copyright (C) 2021 Apple Inc. All rights reserved. |
| * |
| * 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 "SourceAlphaSoftwareApplier.h" |
| |
| #include "Color.h" |
| #include "GraphicsContext.h" |
| #include "SourceAlpha.h" |
| |
| namespace WebCore { |
| |
| bool SourceAlphaSoftwareApplier::apply(const Filter&, const FilterEffectVector& inputEffects) |
| { |
| FilterEffect* in = inputEffects[0].get(); |
| |
| auto resultImage = m_effect.imageBufferResult(); |
| if (!resultImage) |
| return false; |
| |
| auto imageBuffer = in->imageBufferResult(); |
| if (!imageBuffer) |
| return false; |
| |
| FloatRect imageRect(FloatPoint(), m_effect.absolutePaintRect().size()); |
| GraphicsContext& filterContext = resultImage->context(); |
| |
| filterContext.fillRect(imageRect, Color::black); |
| filterContext.drawImageBuffer(*imageBuffer, IntPoint(), CompositeOperator::DestinationIn); |
| |
| return true; |
| } |
| |
| } // namespace WebCore |
