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-rw-r--r--ksvg/impl/SVGPreserveAspectRatioImpl.cc217
1 files changed, 217 insertions, 0 deletions
diff --git a/ksvg/impl/SVGPreserveAspectRatioImpl.cc b/ksvg/impl/SVGPreserveAspectRatioImpl.cc
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+++ b/ksvg/impl/SVGPreserveAspectRatioImpl.cc
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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