1 files changed, 217 insertions, 0 deletions
diff --git a/ksvg/impl/SVGPreserveAspectRatioImpl.cc b/ksvg/impl/SVGPreserveAspectRatioImpl.cc
new file mode 100644
index 00000000..c8660e61
--- /dev/null
+++ b/ksvg/impl/SVGPreserveAspectRatioImpl.cc
@@ -0,0 +1,217 @@
+/*
+    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