diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGPreserveAspectRatio.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/svg/SVGPreserveAspectRatio.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,95 @@ +/* + Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann + 2004, 2005, 2006, 2007 Rob Buis + + 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 SVGPreserveAspectRatio_h +#define SVGPreserveAspectRatio_h + +#if ENABLE(SVG) +#include "FloatRect.h" +#include "PlatformString.h" +#include "SVGNames.h" + +namespace WebCore { + + class String; + class AffineTransform; + + class SVGPreserveAspectRatio { + 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 + }; + + SVGPreserveAspectRatio(); + virtual ~SVGPreserveAspectRatio(); + + void setAlign(unsigned short); + unsigned short align() const; + + void setMeetOrSlice(unsigned short); + unsigned short meetOrSlice() const; + + void transformRect(FloatRect& destRect, FloatRect& srcRect); + + AffineTransform getCTM(double logicX, double logicY, + double logicWidth, double logicHeight, + double physX, double physY, + double physWidth, double physHeight) const; + + template + static bool parsePreserveAspectRatio(Consumer* consumer, const String& value, bool validate = true) + { + bool result = false; + const UChar* begin = value.characters(); + const UChar* end = begin + value.length(); + consumer->setPreserveAspectRatioBaseValue(parsePreserveAspectRatio(begin, end, validate, result)); + return result; + } + + // It's recommended to use the method above, only SVGViewSpec needs this parsing method + static SVGPreserveAspectRatio parsePreserveAspectRatio(const UChar*& currParam, const UChar* end, bool validate, bool& result); + + String valueAsString() const; + + private: + unsigned short m_align; + unsigned short m_meetOrSlice; + }; + +} // namespace WebCore + +#endif // ENABLE(SVG) +#endif // SVGPreserveAspectRatio_h