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218 lines
7.5 KiB
218 lines
7.5 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <kdebug.h>
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#include <tqstring.h>
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#include <tqstringlist.h>
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#include "SVGPreserveAspectRatio.h"
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#include "SVGMatrixImpl.h"
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#include "SVGSVGElementImpl.h"
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#include "SVGPreserveAspectRatioImpl.h"
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using namespace KSVG;
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#include "SVGPreserveAspectRatioImpl.lut.h"
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#include "ksvg_scriptinterpreter.h"
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#include "ksvg_bridge.h"
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#include "ksvg_cacheimpl.h"
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SVGPreserveAspectRatioImpl::SVGPreserveAspectRatioImpl()
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{
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KSVG_EMPTY_FLAGS
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m_meetOrSlice = SVG_MEETORSLICE_UNKNOWN;
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m_align = SVG_PRESERVEASPECTRATIO_UNKNOWN;
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}
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SVGPreserveAspectRatioImpl::~SVGPreserveAspectRatioImpl()
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{
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}
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void SVGPreserveAspectRatioImpl::setAlign(unsigned short align)
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{
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m_align = align;
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}
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unsigned short SVGPreserveAspectRatioImpl::align() const
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{
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return m_align;
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}
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void SVGPreserveAspectRatioImpl::setMeetOrSlice(unsigned short meetOrSlice)
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{
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m_meetOrSlice = meetOrSlice;
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}
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unsigned short SVGPreserveAspectRatioImpl::meetOrSlice() const
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{
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return m_meetOrSlice;
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}
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void SVGPreserveAspectRatioImpl::parsePreserveAspectRatio(const TQString &str)
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{
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// Spec: set the defaults
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setAlign(SVG_PRESERVEASPECTRATIO_NONE);
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setMeetOrSlice(SVG_MEETORSLICE_MEET);
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TQStringList params = TQStringList::split(' ', str.simplifyWhiteSpace());
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if(params[0].compare("none") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_NONE;
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else if(params[0].compare("xMinYMin") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMINYMIN;
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else if(params[0].compare("xMidYMin") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMIDYMIN;
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else if(params[0].compare("xMaxYMin") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMAXYMIN;
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else if(params[0].compare("xMinYMid") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMINYMID;
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else if(params[0].compare("xMidYMid") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMIDYMID;
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else if(params[0].compare("xMaxYMid") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMAXYMID;
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else if(params[0].compare("xMinYMax") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMINYMAX;
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else if(params[0].compare("xMidYMax") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMIDYMAX;
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else if(params[0].compare("xMaxYMax") == 0)
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m_align = SVG_PRESERVEASPECTRATIO_XMAXYMAX;
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if(params[1].compare("slice") == 0)
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m_meetOrSlice = SVG_MEETORSLICE_SLICE;
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else
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m_meetOrSlice = SVG_MEETORSLICE_MEET;
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}
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SVGMatrixImpl *SVGPreserveAspectRatioImpl::getCTM(float logicX, float logicY, float logicWidth, float logicHeight,
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float /*physX*/, float /*physY*/, float physWidth, float physHeight)
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{
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SVGMatrixImpl *temp = SVGSVGElementImpl::createSVGMatrix();
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if(align() == SVG_PRESERVEASPECTRATIO_UNKNOWN)
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return temp;
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float vpar = logicWidth / logicHeight;
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float svgar = physWidth / physHeight;
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if(align() == SVG_PRESERVEASPECTRATIO_NONE)
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{
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temp->scaleNonUniform(physWidth / logicWidth, physHeight / logicHeight);
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temp->translate(-logicX, -logicY);
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}
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else if(vpar < svgar && (meetOrSlice() == SVG_MEETORSLICE_MEET) || vpar >= svgar && (meetOrSlice() == SVG_MEETORSLICE_SLICE))
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{
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temp->scale(physHeight / logicHeight);
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if(align() == SVG_PRESERVEASPECTRATIO_XMINYMIN || align() == SVG_PRESERVEASPECTRATIO_XMINYMID || align() == SVG_PRESERVEASPECTRATIO_XMINYMAX)
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temp->translate(-logicX, -logicY);
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else if(align() == SVG_PRESERVEASPECTRATIO_XMIDYMIN || align() == SVG_PRESERVEASPECTRATIO_XMIDYMID || align() == SVG_PRESERVEASPECTRATIO_XMIDYMAX)
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temp->translate(-logicX - (logicWidth - physWidth * logicHeight / physHeight) / 2, -logicY);
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else
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temp->translate(-logicX - (logicWidth - physWidth * logicHeight / physHeight), -logicY);
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}
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else
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{
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temp->scale(physWidth / logicWidth);
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if(align() == SVG_PRESERVEASPECTRATIO_XMINYMIN || align() == SVG_PRESERVEASPECTRATIO_XMIDYMIN || align() == SVG_PRESERVEASPECTRATIO_XMAXYMIN)
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temp->translate(-logicX, -logicY);
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else if(align() == SVG_PRESERVEASPECTRATIO_XMINYMID || align() == SVG_PRESERVEASPECTRATIO_XMIDYMID || align() == SVG_PRESERVEASPECTRATIO_XMAXYMID)
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temp->translate(-logicX, -logicY - (logicHeight - physHeight * logicWidth / physWidth) / 2);
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else
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temp->translate(-logicX, -logicY - (logicHeight - physHeight * logicWidth / physWidth));
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}
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return temp;
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}
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// Ecma stuff
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/*
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@namespace KSVG
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@begin SVGPreserveAspectRatioImpl::s_hashTable 3
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align SVGPreserveAspectRatioImpl::Align DontDelete
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meetOrSlice SVGPreserveAspectRatioImpl::MeetOrSlice DontDelete
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@end
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*/
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Value SVGPreserveAspectRatioImpl::getValueProperty(ExecState *, int token) const
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{
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switch(token)
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{
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case Align:
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return Number(align());
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case MeetOrSlice:
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return Number(meetOrSlice());
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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return KJS::Undefined();
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}
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}
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void SVGPreserveAspectRatioImpl::putValueProperty(ExecState *exec, int token, const KJS::Value &value, int)
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{
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switch(token)
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{
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case Align:
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m_align = static_cast<unsigned short>(value.toNumber(exec));
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break;
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case MeetOrSlice:
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m_meetOrSlice = static_cast<unsigned short>(value.toNumber(exec));
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break;
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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}
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}
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/*
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@namespace KSVG
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@begin SVGPreserveAspectRatioImplConstructor::s_hashTable 17
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SVG_PRESERVEASPECTRATIO_UNKNOWN KSVG::SVG_PRESERVEASPECTRATIO_UNKNOWN DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_NONE KSVG::SVG_PRESERVEASPECTRATIO_NONE DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMINYMIN KSVG::SVG_PRESERVEASPECTRATIO_XMINYMIN DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMIDYMIN KSVG::SVG_PRESERVEASPECTRATIO_XMIDYMIN DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMAXYMIN KSVG::SVG_PRESERVEASPECTRATIO_XMAXYMIN DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMINYMID KSVG::SVG_PRESERVEASPECTRATIO_XMINYMID DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMIDYMID KSVG::SVG_PRESERVEASPECTRATIO_XMIDYMID DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMAXYMID KSVG::SVG_PRESERVEASPECTRATIO_XMAXYMID DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMINYMAX KSVG::SVG_PRESERVEASPECTRATIO_XMINYMAX DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMIDYMAX KSVG::SVG_PRESERVEASPECTRATIO_XMIDYMAX DontDelete|ReadOnly
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SVG_PRESERVEASPECTRATIO_XMAXYMAX KSVG::SVG_PRESERVEASPECTRATIO_XMAXYMAX DontDelete|ReadOnly
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SVG_MEETORSLICE_UNKNOWN KSVG::SVG_MEETORSLICE_UNKNOWN DontDelete|ReadOnly
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SVG_MEETORSLICE_MEET KSVG::SVG_MEETORSLICE_MEET DontDelete|ReadOnly
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SVG_MEETORSLICE_SLICE KSVG::SVG_MEETORSLICE_SLICE DontDelete|ReadOnly
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@end
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*/
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Value SVGPreserveAspectRatioImplConstructor::getValueProperty(ExecState *, int token) const
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{
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return Number(token > SVG_PRESERVEASPECTRATIO_XMAXYMAX ? token - SVG_MEETORSLICE_UNKNOWN : token);
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}
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Value KSVG::getSVGPreserveAspectRatioImplConstructor(ExecState *exec)
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{
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return cacheGlobalBridge<SVGPreserveAspectRatioImplConstructor>(exec, "[[svgpreserveaspectratio.constructor]]");
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}
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// vim:ts=4:noet
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