| /* |
| * 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 "FEOffset.h" |
| |
| #include "Filter.h" |
| #include "FEOffsetSoftwareApplier.h" |
| #include <wtf/text/TextStream.h> |
| |
| namespace WebCore { |
| |
| Ref<FEOffset> FEOffset::create(float dx, float dy) |
| { |
| return adoptRef(*new FEOffset(dx, dy)); |
| } |
| |
| FEOffset::FEOffset(float dx, float dy) |
| : FilterEffect(FilterEffect::Type::FEOffset) |
| , m_dx(dx) |
| , m_dy(dy) |
| { |
| } |
| |
| void FEOffset::setDx(float dx) |
| { |
| m_dx = dx; |
| } |
| |
| void FEOffset::setDy(float dy) |
| { |
| m_dy = dy; |
| } |
| |
| void FEOffset::determineAbsolutePaintRect(const Filter& filter) |
| { |
| FloatRect paintRect = inputEffect(0)->absolutePaintRect(); |
| paintRect.move(filter.scaledByFilterScale({ m_dx, m_dy })); |
| if (clipsToBounds()) |
| paintRect.intersect(maxEffectRect()); |
| else |
| paintRect.unite(maxEffectRect()); |
| setAbsolutePaintRect(enclosingIntRect(paintRect)); |
| } |
| |
| bool FEOffset::resultIsAlphaImage() const |
| { |
| return inputEffect(0)->resultIsAlphaImage(); |
| } |
| |
| bool FEOffset::platformApplySoftware(const Filter& filter) |
| { |
| return FEOffsetSoftwareApplier(*this).apply(filter, inputFilterImages(), *filterImage()); |
| } |
| |
| TextStream& FEOffset::externalRepresentation(TextStream& ts, RepresentationType representation) const |
| { |
| ts << indent << "[feOffset"; |
| FilterEffect::externalRepresentation(ts, representation); |
| ts << " dx=\"" << dx() << "\" dy=\"" << dy() << "\"]\n"; |
| |
| TextStream::IndentScope indentScope(ts); |
| inputEffect(0)->externalRepresentation(ts, representation); |
| return ts; |
| } |
| |
| } // namespace WebCore |
