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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
*
* 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 "ExceptionOr.h"
#include "SVGPropertyTraits.h"
namespace WebCore {
class AffineTransform;
class FloatRect;
class SVGPreserveAspectRatioValue {
WTF_MAKE_FAST_ALLOCATED;
public:
enum SVGPreserveAspectRatioType {
SVG_PRESERVEASPECTRATIO_UNKNOWN = 0,
SVG_PRESERVEASPECTRATIO_NONE = 1,
SVG_PRESERVEASPECTRATIO_XMINYMIN = 2,
SVG_PRESERVEASPECTRATIO_XMIDYMIN = 3,
SVG_PRESERVEASPECTRATIO_XMAXYMIN = 4,
SVG_PRESERVEASPECTRATIO_XMINYMID = 5,
SVG_PRESERVEASPECTRATIO_XMIDYMID = 6,
SVG_PRESERVEASPECTRATIO_XMAXYMID = 7,
SVG_PRESERVEASPECTRATIO_XMINYMAX = 8,
SVG_PRESERVEASPECTRATIO_XMIDYMAX = 9,
SVG_PRESERVEASPECTRATIO_XMAXYMAX = 10
};
enum SVGMeetOrSliceType {
SVG_MEETORSLICE_UNKNOWN = 0,
SVG_MEETORSLICE_MEET = 1,
SVG_MEETORSLICE_SLICE = 2
};
SVGPreserveAspectRatioValue() = default;
SVGPreserveAspectRatioValue(StringView);
WEBCORE_EXPORT SVGPreserveAspectRatioValue(SVGPreserveAspectRatioType, SVGMeetOrSliceType);
ExceptionOr<void> setAlign(unsigned short);
unsigned short align() const { return m_align; }
ExceptionOr<void> setMeetOrSlice(unsigned short);
unsigned short meetOrSlice() const { return m_meetOrSlice; }
void transformRect(FloatRect& destRect, FloatRect& srcRect) const;
AffineTransform getCTM(float logicalX, float logicalY, float logicalWidth, float logicalHeight, float physicalWidth, float physicalHeight) const;
bool parse(StringView);
bool parse(StringParsingBuffer<LChar>&, bool validate);
bool parse(StringParsingBuffer<UChar>&, bool validate);
String valueAsString() const;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<SVGPreserveAspectRatioValue> decode(Decoder&);
private:
SVGPreserveAspectRatioType m_align { SVG_PRESERVEASPECTRATIO_XMIDYMID };
SVGMeetOrSliceType m_meetOrSlice { SVG_MEETORSLICE_MEET };
template<typename CharacterType> bool parseInternal(StringParsingBuffer<CharacterType>&, bool validate);
};
template<> struct SVGPropertyTraits<SVGPreserveAspectRatioValue> {
static SVGPreserveAspectRatioValue initialValue() { return SVGPreserveAspectRatioValue(); }
static SVGPreserveAspectRatioValue fromString(const String& string) { return SVGPreserveAspectRatioValue(string); }
static std::optional<SVGPreserveAspectRatioValue> parse(const QualifiedName&, const String&) { ASSERT_NOT_REACHED(); return initialValue(); }
static String toString(const SVGPreserveAspectRatioValue& type) { return type.valueAsString(); }
};
template<class Encoder>
void SVGPreserveAspectRatioValue::encode(Encoder& encoder) const
{
encoder << m_align;
encoder << m_meetOrSlice;
}
template<class Decoder>
std::optional<SVGPreserveAspectRatioValue> SVGPreserveAspectRatioValue::decode(Decoder& decoder)
{
std::optional<SVGPreserveAspectRatioType> align;
decoder >> align;
if (!align)
return std::nullopt;
std::optional<SVGMeetOrSliceType> meetOrSlice;
decoder >> meetOrSlice;
if (!meetOrSlice)
return std::nullopt;
return SVGPreserveAspectRatioValue(*align, *meetOrSlice);
}
} // namespace WebCore
namespace WTF {
template<> struct EnumTraits<WebCore::SVGPreserveAspectRatioValue::SVGPreserveAspectRatioType> {
using values = EnumValues<
WebCore::SVGPreserveAspectRatioValue::SVGPreserveAspectRatioType,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_UNKNOWN,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_NONE,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMINYMIN,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMIDYMIN,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMAXYMIN,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMINYMID,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMIDYMID,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMAXYMID,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMINYMAX,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMIDYMAX,
WebCore::SVGPreserveAspectRatioValue::SVG_PRESERVEASPECTRATIO_XMAXYMAX
>;
};
template<> struct EnumTraits<WebCore::SVGPreserveAspectRatioValue::SVGMeetOrSliceType> {
using values = EnumValues<
WebCore::SVGPreserveAspectRatioValue::SVGMeetOrSliceType,
WebCore::SVGPreserveAspectRatioValue::SVG_MEETORSLICE_UNKNOWN,
WebCore::SVGPreserveAspectRatioValue::SVG_MEETORSLICE_MEET,
WebCore::SVGPreserveAspectRatioValue::SVG_MEETORSLICE_SLICE
>;
};
} // namespace WTF
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