| /* |
| * 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> |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * 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 "FEOffsetSoftwareApplier.h" |
| |
| #include "FEOffset.h" |
| #include "Filter.h" |
| #include "GraphicsContext.h" |
| #include "ImageBuffer.h" |
| |
| namespace WebCore { |
| |
| bool FEOffsetSoftwareApplier::apply(const Filter& filter, const FilterImageVector& inputs, FilterImage& result) const |
| { |
| auto& input = inputs[0].get(); |
| |
| auto resultImage = result.imageBuffer(); |
| auto inputImage = input.imageBuffer(); |
| if (!resultImage || !inputImage) |
| return false; |
| |
| FloatRect inputImageRect = input.absoluteImageRectRelativeTo(result); |
| inputImageRect.move(filter.scaledByFilterScale({ m_effect.dx(), m_effect.dy() })); |
| |
| resultImage->context().drawImageBuffer(*inputImage, inputImageRect); |
| return true; |
| } |
| |
| } // namespace WebCore |
