Remove SVGPathElement.pathSegList and related interfaces

third_party/WebKit/Source/core/svg/SVGPathSeg.h

-/*
- * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2004, 2005, 2006, 2008 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.
- */
-
-#ifndef SVGPathSeg_h
-#define SVGPathSeg_h
-
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "platform/geometry/FloatPoint.h"
-#include "platform/heap/Handle.h"
-#include "wtf/Allocator.h"
-#include "wtf/RefCounted.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-enum ListModification {
-    ListModificationUnknown = 0,
-    ListModificationInsert = 1,
-    ListModificationReplace = 2,
-    ListModificationRemove = 3,
-    ListModificationAppend = 4
-};
-
-enum SVGPathSegType {
-    PathSegUnknown = 0,
-    PathSegClosePath = 1,
-    PathSegMoveToAbs = 2,
-    PathSegMoveToRel = 3,
-    PathSegLineToAbs = 4,
-    PathSegLineToRel = 5,
-    PathSegCurveToCubicAbs = 6,
-    PathSegCurveToCubicRel = 7,
-    PathSegCurveToQuadraticAbs = 8,
-    PathSegCurveToQuadraticRel = 9,
-    PathSegArcAbs = 10,
-    PathSegArcRel = 11,
-    PathSegLineToHorizontalAbs = 12,
-    PathSegLineToHorizontalRel = 13,
-    PathSegLineToVerticalAbs = 14,
-    PathSegLineToVerticalRel = 15,
-    PathSegCurveToCubicSmoothAbs = 16,
-    PathSegCurveToCubicSmoothRel = 17,
-    PathSegCurveToQuadraticSmoothAbs = 18,
-    PathSegCurveToQuadraticSmoothRel = 19
-};
-
-static inline SVGPathSegType toAbsolutePathSegType(const SVGPathSegType type)
-{
-    // Clear the LSB to get the absolute command.
-    return type >= PathSegMoveToAbs ? static_cast<SVGPathSegType>(type & ~1u) : type;
-}
-
-static inline bool isAbsolutePathSegType(const SVGPathSegType type)
-{
-    // For commands with an ordinal >= PathSegMoveToAbs, and odd number => relative command.
-    return type < PathSegMoveToAbs || type % 2 == 0;
-}
-
-struct PathSegmentData {
-    STACK_ALLOCATED();
-    PathSegmentData()
-        : command(PathSegUnknown)
-        , arcSweep(false)
-        , arcLarge(false)
-    {
-    }
-
-    const FloatPoint& arcRadii() const { return point1; }
-    float arcAngle() const { return point2.x(); }
-
-    float r1() const { return arcRadii().x(); }
-    float r2() const { return arcRadii().y(); }
-
-    bool largeArcFlag() const { return arcLarge; }
-    bool sweepFlag() const { return arcSweep; }
-
-    float x() const { return targetPoint.x(); }
-    float y() const { return targetPoint.y(); }
-
-    float x1() const { return point1.x(); }
-    float y1() const { return point1.y(); }
-
-    float x2() const { return point2.x(); }
-    float y2() const { return point2.y(); }
-
-    SVGPathSegType command;
-    FloatPoint targetPoint;
-    FloatPoint point1;
-    FloatPoint point2;
-    bool arcSweep;
-    bool arcLarge;
-};
-
-class SVGPropertyBase;
-class SVGPathElement;
-class SVGElement;
-
-class SVGPathSeg : public RefCountedWillBeGarbageCollectedFinalized<SVGPathSeg>, public ScriptWrappable {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    // SVGPathSeg itself is used as a tear-off type.
-    // FIXME: A tear-off type should be introduced to distinguish animVal/baseVal
-    typedef SVGPathSeg TearOffType;
-
-    explicit SVGPathSeg(SVGPathElement* contextElement);
-
-    virtual ~SVGPathSeg() { }
-
-    // Forward declare these enums in the w3c naming scheme, for IDL generation
-    enum {
-        PATHSEG_UNKNOWN = PathSegUnknown,
-        PATHSEG_CLOSEPATH = PathSegClosePath,
-        PATHSEG_MOVETO_ABS = PathSegMoveToAbs,
-        PATHSEG_MOVETO_REL = PathSegMoveToRel,
-        PATHSEG_LINETO_ABS = PathSegLineToAbs,
-        PATHSEG_LINETO_REL = PathSegLineToRel,
-        PATHSEG_CURVETO_CUBIC_ABS = PathSegCurveToCubicAbs,
-        PATHSEG_CURVETO_CUBIC_REL = PathSegCurveToCubicRel,
-        PATHSEG_CURVETO_QUADRATIC_ABS = PathSegCurveToQuadraticAbs,
-        PATHSEG_CURVETO_QUADRATIC_REL = PathSegCurveToQuadraticRel,
-        PATHSEG_ARC_ABS = PathSegArcAbs,
-        PATHSEG_ARC_REL = PathSegArcRel,
-        PATHSEG_LINETO_HORIZONTAL_ABS = PathSegLineToHorizontalAbs,
-        PATHSEG_LINETO_HORIZONTAL_REL = PathSegLineToHorizontalRel,
-        PATHSEG_LINETO_VERTICAL_ABS = PathSegLineToVerticalAbs,
-        PATHSEG_LINETO_VERTICAL_REL = PathSegLineToVerticalRel,
-        PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = PathSegCurveToCubicSmoothAbs,
-        PATHSEG_CURVETO_CUBIC_SMOOTH_REL = PathSegCurveToCubicSmoothRel,
-        PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = PathSegCurveToQuadraticSmoothAbs,
-        PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = PathSegCurveToQuadraticSmoothRel
-    };
-
-    virtual unsigned short pathSegType() const = 0;
-    virtual String pathSegTypeAsLetter() const = 0;
-
-    SVGPropertyBase* ownerList() const
-    {
-        return m_ownerList;
-    }
-
-    void setOwnerList(SVGPropertyBase* ownerList)
-    {
-        // Previous owner list must be cleared before setting new owner list.
-        ASSERT((!ownerList && m_ownerList) || (ownerList && !m_ownerList));
-
-        m_ownerList = ownerList;
-    }
-
-    void setContextElement(SVGElement* contextElement)
-    {
-        m_contextElement = contextElement;
-    }
-
-    static PassRefPtrWillBeRawPtr<SVGPathSeg> create() { ASSERT_NOT_REACHED(); return nullptr; }
-    virtual PassRefPtrWillBeRawPtr<SVGPathSeg> clone() = 0;
-
-    DECLARE_VIRTUAL_TRACE();
-
-protected:
-    void commitChange();
-
-private:
-    RawPtrWillBeMember<SVGPropertyBase> m_ownerList;
-    GC_PLUGIN_IGNORE("528275")
-    SVGElement* m_contextElement;
-};
-
-class SVGPathSegSingleCoordinate : public SVGPathSeg {
-public:
-    float x() const { return m_x; }
-    void setX(float x)
-    {
-        m_x = x;
-        commitChange();
-    }
-
-    float y() const { return m_y; }
-    void setY(float y)
-    {
-        m_y = y;
-        commitChange();
-    }
-
-protected:
-    SVGPathSegSingleCoordinate(SVGPathElement* element, float x, float y)
-        : SVGPathSeg(element)
-        , m_x(x)
-        , m_y(y)
-    {
-    }
-
-private:
-    float m_x;
-    float m_y;
-};
-
-} // namespace blink
-
-#endif // SVGPathSeg_h