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/*
Copyright (C) 2001-2003 KSVG Team
This file is part of the KDE project
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.
*/
#include <kdebug.h>
#include <qstring.h>
#include <qstringlist.h>
#include "SVGPreserveAspectRatio.h"
#include "SVGMatrixImpl.h"
#include "SVGSVGElementImpl.h"
#include "SVGPreserveAspectRatioImpl.h"
using namespace KSVG;
#include "SVGPreserveAspectRatioImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_bridge.h"
#include "ksvg_cacheimpl.h"
SVGPreserveAspectRatioImpl::SVGPreserveAspectRatioImpl()
{
KSVG_EMPTY_FLAGS
m_meetOrSlice = SVG_MEETORSLICE_UNKNOWN;
m_align = SVG_PRESERVEASPECTRATIO_UNKNOWN;
}
SVGPreserveAspectRatioImpl::~SVGPreserveAspectRatioImpl()
{
}
void SVGPreserveAspectRatioImpl::setAlign(unsigned short align)
{
m_align = align;
}
unsigned short SVGPreserveAspectRatioImpl::align() const
{
return m_align;
}
void SVGPreserveAspectRatioImpl::setMeetOrSlice(unsigned short meetOrSlice)
{
m_meetOrSlice = meetOrSlice;
}
unsigned short SVGPreserveAspectRatioImpl::meetOrSlice() const
{
return m_meetOrSlice;
}
void SVGPreserveAspectRatioImpl::parsePreserveAspectRatio(const QString &str)
{
// Spec: set the defaults
setAlign(SVG_PRESERVEASPECTRATIO_NONE);
setMeetOrSlice(SVG_MEETORSLICE_MEET);
QStringList params = QStringList::split(' ', str.simplifyWhiteSpace());
if(params[0].compare("none") == 0)
m_align = SVG_PRESERVEASPECTRATIO_NONE;
else if(params[0].compare("xMinYMin") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMINYMIN;
else if(params[0].compare("xMidYMin") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMIDYMIN;
else if(params[0].compare("xMaxYMin") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMAXYMIN;
else if(params[0].compare("xMinYMid") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMINYMID;
else if(params[0].compare("xMidYMid") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMIDYMID;
else if(params[0].compare("xMaxYMid") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMAXYMID;
else if(params[0].compare("xMinYMax") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMINYMAX;
else if(params[0].compare("xMidYMax") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMIDYMAX;
else if(params[0].compare("xMaxYMax") == 0)
m_align = SVG_PRESERVEASPECTRATIO_XMAXYMAX;
if(params[1].compare("slice") == 0)
m_meetOrSlice = SVG_MEETORSLICE_SLICE;
else
m_meetOrSlice = SVG_MEETORSLICE_MEET;
}
SVGMatrixImpl *SVGPreserveAspectRatioImpl::getCTM(float logicX, float logicY, float logicWidth, float logicHeight,
float /*physX*/, float /*physY*/, float physWidth, float physHeight)
{
SVGMatrixImpl *temp = SVGSVGElementImpl::createSVGMatrix();
if(align() == SVG_PRESERVEASPECTRATIO_UNKNOWN)
return temp;
float vpar = logicWidth / logicHeight;
float svgar = physWidth / physHeight;
if(align() == SVG_PRESERVEASPECTRATIO_NONE)
{
temp->scaleNonUniform(physWidth / logicWidth, physHeight / logicHeight);
temp->translate(-logicX, -logicY);
}
else if(vpar < svgar && (meetOrSlice() == SVG_MEETORSLICE_MEET) || vpar >= svgar && (meetOrSlice() == SVG_MEETORSLICE_SLICE))
{
temp->scale(physHeight / logicHeight);
if(align() == SVG_PRESERVEASPECTRATIO_XMINYMIN || align() == SVG_PRESERVEASPECTRATIO_XMINYMID || align() == SVG_PRESERVEASPECTRATIO_XMINYMAX)
temp->translate(-logicX, -logicY);
else if(align() == SVG_PRESERVEASPECTRATIO_XMIDYMIN || align() == SVG_PRESERVEASPECTRATIO_XMIDYMID || align() == SVG_PRESERVEASPECTRATIO_XMIDYMAX)
temp->translate(-logicX - (logicWidth - physWidth * logicHeight / physHeight) / 2, -logicY);
else
temp->translate(-logicX - (logicWidth - physWidth * logicHeight / physHeight), -logicY);
}
else
{
temp->scale(physWidth / logicWidth);
if(align() == SVG_PRESERVEASPECTRATIO_XMINYMIN || align() == SVG_PRESERVEASPECTRATIO_XMIDYMIN || align() == SVG_PRESERVEASPECTRATIO_XMAXYMIN)
temp->translate(-logicX, -logicY);
else if(align() == SVG_PRESERVEASPECTRATIO_XMINYMID || align() == SVG_PRESERVEASPECTRATIO_XMIDYMID || align() == SVG_PRESERVEASPECTRATIO_XMAXYMID)
temp->translate(-logicX, -logicY - (logicHeight - physHeight * logicWidth / physWidth) / 2);
else
temp->translate(-logicX, -logicY - (logicHeight - physHeight * logicWidth / physWidth));
}
return temp;
}
// Ecma stuff
/*
@namespace KSVG
@begin SVGPreserveAspectRatioImpl::s_hashTable 3
align SVGPreserveAspectRatioImpl::Align DontDelete
meetOrSlice SVGPreserveAspectRatioImpl::MeetOrSlice DontDelete
@end
*/
Value SVGPreserveAspectRatioImpl::getValueProperty(ExecState *, int token) const
{
switch(token)
{
case Align:
return Number(align());
case MeetOrSlice:
return Number(meetOrSlice());
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return KJS::Undefined();
}
}
void SVGPreserveAspectRatioImpl::putValueProperty(ExecState *exec, int token, const KJS::Value &value, int)
{
switch(token)
{
case Align:
m_align = static_cast<unsigned short>(value.toNumber(exec));
break;
case MeetOrSlice:
m_meetOrSlice = static_cast<unsigned short>(value.toNumber(exec));
break;
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
/*
@namespace KSVG
@begin SVGPreserveAspectRatioImplConstructor::s_hashTable 17
SVG_PRESERVEASPECTRATIO_UNKNOWN KSVG::SVG_PRESERVEASPECTRATIO_UNKNOWN DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_NONE KSVG::SVG_PRESERVEASPECTRATIO_NONE DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMINYMIN KSVG::SVG_PRESERVEASPECTRATIO_XMINYMIN DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMIDYMIN KSVG::SVG_PRESERVEASPECTRATIO_XMIDYMIN DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMAXYMIN KSVG::SVG_PRESERVEASPECTRATIO_XMAXYMIN DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMINYMID KSVG::SVG_PRESERVEASPECTRATIO_XMINYMID DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMIDYMID KSVG::SVG_PRESERVEASPECTRATIO_XMIDYMID DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMAXYMID KSVG::SVG_PRESERVEASPECTRATIO_XMAXYMID DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMINYMAX KSVG::SVG_PRESERVEASPECTRATIO_XMINYMAX DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMIDYMAX KSVG::SVG_PRESERVEASPECTRATIO_XMIDYMAX DontDelete|ReadOnly
SVG_PRESERVEASPECTRATIO_XMAXYMAX KSVG::SVG_PRESERVEASPECTRATIO_XMAXYMAX DontDelete|ReadOnly
SVG_MEETORSLICE_UNKNOWN KSVG::SVG_MEETORSLICE_UNKNOWN DontDelete|ReadOnly
SVG_MEETORSLICE_MEET KSVG::SVG_MEETORSLICE_MEET DontDelete|ReadOnly
SVG_MEETORSLICE_SLICE KSVG::SVG_MEETORSLICE_SLICE DontDelete|ReadOnly
@end
*/
Value SVGPreserveAspectRatioImplConstructor::getValueProperty(ExecState *, int token) const
{
return Number(token > SVG_PRESERVEASPECTRATIO_XMAXYMAX ? token - SVG_MEETORSLICE_UNKNOWN : token);
}
Value KSVG::getSVGPreserveAspectRatioImplConstructor(ExecState *exec)
{
return cacheGlobalBridge<SVGPreserveAspectRatioImplConstructor>(exec, "[[svgpreserveaspectratio.constructor]]");
}
// vim:ts=4:noet
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