| /* |
| * 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) 2010 Dirk Schulze <krit@webkit.org> |
| * Copyright (C) 2021-2022 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 "FEImage.h" |
| |
| #include "FEImageSoftwareApplier.h" |
| #include "Filter.h" |
| #include <wtf/text/TextStream.h> |
| |
| namespace WebCore { |
| |
| Ref<FEImage> FEImage::create(SourceImage&& sourceImage, const FloatRect& sourceImageRect, const SVGPreserveAspectRatioValue& preserveAspectRatio) |
| { |
| return adoptRef(*new FEImage(WTFMove(sourceImage), sourceImageRect, preserveAspectRatio)); |
| } |
| |
| FEImage::FEImage(SourceImage&& sourceImage, const FloatRect& sourceImageRect, const SVGPreserveAspectRatioValue& preserveAspectRatio) |
| : FilterEffect(Type::FEImage) |
| , m_sourceImage(WTFMove(sourceImage)) |
| , m_sourceImageRect(sourceImageRect) |
| , m_preserveAspectRatio(preserveAspectRatio) |
| { |
| } |
| |
| FloatRect FEImage::calculateImageRect(const Filter& filter, const FilterImageVector&, const FloatRect& primitiveSubregion) const |
| { |
| if (m_sourceImage.nativeImageIfExists()) { |
| auto imageRect = primitiveSubregion; |
| auto srcRect = m_sourceImageRect; |
| m_preserveAspectRatio.transformRect(imageRect, srcRect); |
| return filter.clipToMaxEffectRect(imageRect, primitiveSubregion); |
| } |
| |
| if (m_sourceImage.imageBufferIfExists()) |
| return filter.maxEffectRect(primitiveSubregion); |
| |
| ASSERT_NOT_REACHED(); |
| return FloatRect(); |
| } |
| |
| std::unique_ptr<FilterEffectApplier> FEImage::createSoftwareApplier() const |
| { |
| return FilterEffectApplier::create<FEImageSoftwareApplier>(*this); |
| } |
| |
| TextStream& FEImage::externalRepresentation(TextStream& ts, FilterRepresentation representation) const |
| { |
| ts << indent << "[feImage"; |
| FilterEffect::externalRepresentation(ts, representation); |
| |
| ts << " image-size=\"" << m_sourceImageRect.width() << "x" << m_sourceImageRect.height() << "\""; |
| // FIXME: should this dump also object returned by FEImage::image() ? |
| |
| ts << "]\n"; |
| return ts; |
| } |
| |
| } // namespace WebCore |