File indexing completed on 2024-04-28 11:39:16 

0001 /*
0002     Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
0003                   2004, 2005, 2007 Rob Buis <buis@kde.org>
0004 
0005     This file is part of the KDE project
0006 
0007     This library is free software; you can redistribute it and/or
0008     modify it under the terms of the GNU Library General Public
0009     License as published by the Free Software Foundation; either
0010     version 2 of the License, or (at your option) any later version.
0011 
0012     This library is distributed in the hope that it will be useful,
0013     but WITHOUT ANY WARRANTY; without even the implied warranty of
0014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0015     Library General Public License for more details.
0016 
0017     You should have received a copy of the GNU Library General Public License
0018     along with this library; see the file COPYING.LIB.  If not, write to
0019     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0020     Boston, MA 02110-1301, USA.
0021 */
0022 
0023 #ifndef SVGLocatable_h
0024 #define SVGLocatable_h
0025 
0026 #if ENABLE(SVG)
0027 
0028 #include "ExceptionCode.h"
0029 #include "Document.h"
0030 
0031 namespace WebCore
0032 {
0033 
0034 class AffineTransform;
0035 class FloatRect;
0036 class SVGElement;
0037 class SVGStyledElement;
0038 
0039 class SVGLocatable
0040 {
0041 public:
0042     SVGLocatable();
0043     virtual ~SVGLocatable();
0044 
0045     // 'SVGLocatable' functions
0046     virtual SVGElement *nearestViewportElement() const = 0;
0047     virtual SVGElement *farthestViewportElement() const = 0;
0048 
0049     virtual FloatRect getBBox() const = 0;
0050     virtual AffineTransform getCTM() const = 0;
0051     virtual AffineTransform getScreenCTM() const = 0;
0052     AffineTransform getTransformToElement(SVGElement *, ExceptionCode &) const;
0053 
0054     static SVGElement *nearestViewportElement(const SVGStyledElement *);
0055     static SVGElement *farthestViewportElement(const SVGStyledElement *);
0056 
0057 protected:
0058     static FloatRect getBBox(const SVGStyledElement *);
0059     static AffineTransform getCTM(const SVGElement *);
0060     static AffineTransform getScreenCTM(const SVGElement *);
0061 };
0062 
0063 } // namespace WebCore
0064 
0065 #endif // ENABLE(SVG)
0066 #endif // SVGLocatable_h
0067