| /* |
| * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.org> |
| * Copyright (C) 2018-2019 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. |
| */ |
| |
| #pragma once |
| |
| #include "FloatRect.h" |
| #include "QualifiedName.h" |
| #include "SVGAnimatedPropertyImpl.h" |
| #include "SVGNames.h" |
| #include "SVGPreserveAspectRatio.h" |
| #include "SVGPropertyOwnerRegistry.h" |
| #include <wtf/HashSet.h> |
| |
| namespace WebCore { |
| |
| class AffineTransform; |
| |
| class SVGFitToViewBox { |
| WTF_MAKE_NONCOPYABLE(SVGFitToViewBox); |
| public: |
| static AffineTransform viewBoxToViewTransform(const FloatRect& viewBoxRect, const SVGPreserveAspectRatioValue&, float viewWidth, float viewHeight); |
| |
| using PropertyRegistry = SVGPropertyOwnerRegistry<SVGFitToViewBox>; |
| |
| const FloatRect& viewBox() const { return m_viewBox->currentValue(); } |
| const SVGPreserveAspectRatioValue& preserveAspectRatio() const { return m_preserveAspectRatio->currentValue(); } |
| |
| SVGAnimatedRect& viewBoxAnimated() { return m_viewBox; } |
| SVGAnimatedPreserveAspectRatio& preserveAspectRatioAnimated() { return m_preserveAspectRatio; } |
| |
| void setViewBox(const FloatRect&); |
| void resetViewBox(); |
| |
| void setPreserveAspectRatio(const SVGPreserveAspectRatioValue& preserveAspectRatio) { m_preserveAspectRatio->setBaseValInternal(preserveAspectRatio); } |
| void resetPreserveAspectRatio() { m_preserveAspectRatio->setBaseValInternal({ }); } |
| |
| String viewBoxString() const { return SVGPropertyTraits<FloatRect>::toString(viewBox()); } |
| String preserveAspectRatioString() const { return preserveAspectRatio().valueAsString(); } |
| |
| bool hasValidViewBox() const { return m_isViewBoxValid; } |
| bool hasEmptyViewBox() const { return m_isViewBoxValid && viewBox().isEmpty(); } |
| |
| protected: |
| SVGFitToViewBox(SVGElement* contextElement, SVGPropertyAccess = SVGPropertyAccess::ReadWrite); |
| |
| static bool isKnownAttribute(const QualifiedName& attributeName) { return PropertyRegistry::isKnownAttribute(attributeName); } |
| |
| void reset(); |
| bool parseAttribute(const QualifiedName&, const AtomString&); |
| Optional<FloatRect> parseViewBox(StringView); |
| Optional<FloatRect> parseViewBox(StringParsingBuffer<LChar>&, bool validate = true); |
| Optional<FloatRect> parseViewBox(StringParsingBuffer<UChar>&, bool validate = true); |
| |
| private: |
| template<typename CharacterType> Optional<FloatRect> parseViewBoxGeneric(StringParsingBuffer<CharacterType>&, bool validate = true); |
| |
| Ref<SVGAnimatedRect> m_viewBox; |
| Ref<SVGAnimatedPreserveAspectRatio> m_preserveAspectRatio; |
| bool m_isViewBoxValid { false }; |
| }; |
| |
| } // namespace WebCore |