2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
4 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef SVGLocatable_h
23 #define SVGLocatable_h
26 #include "AffineTransform.h"
33 typedef int ExceptionCode;
37 virtual ~SVGLocatable() { }
39 // 'SVGLocatable' functions
40 virtual SVGElement* nearestViewportElement() const = 0;
41 virtual SVGElement* farthestViewportElement() const = 0;
43 enum StyleUpdateStrategy { AllowStyleUpdate, DisallowStyleUpdate };
45 virtual FloatRect getBBox(StyleUpdateStrategy) = 0;
46 virtual AffineTransform getCTM(StyleUpdateStrategy) = 0;
47 virtual AffineTransform getScreenCTM(StyleUpdateStrategy) = 0;
48 AffineTransform getTransformToElement(SVGElement*, ExceptionCode&, StyleUpdateStrategy = AllowStyleUpdate);
50 static SVGElement* nearestViewportElement(const SVGElement*);
51 static SVGElement* farthestViewportElement(const SVGElement*);
54 NearestViewportScope, // Used for getCTM()
55 ScreenScope // Used for getScreenCTM()
59 virtual AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope) const { return AffineTransform(); }
61 static FloatRect getBBox(SVGElement*, StyleUpdateStrategy);
62 static AffineTransform computeCTM(SVGElement*, CTMScope, StyleUpdateStrategy);
65 } // namespace WebCore
68 #endif // SVGLocatable_h