1 files changed, 228 insertions, 0 deletions
diff --git a/ksvg/impl/SVGHelperImpl.cpp b/ksvg/impl/SVGHelperImpl.cpp
new file mode 100644
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--- /dev/null
+++ b/ksvg/impl/SVGHelperImpl.cpp
@@ -0,0 +1,228 @@
+/*
+    Copyright (C) 2002-2003 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 <tqregexp.h>
+
+#include "SVGRectImpl.h"
+#include "SVGMatrixImpl.h"
+#include "SVGHelperImpl.h"
+#include "SVGElementImpl.h"
+#include "SVGDocumentImpl.h"
+#include "SVGStylableImpl.h"
+#include "SVGTransformImpl.h"
+#include "SVGStringListImpl.h"
+#include "SVGSVGElementImpl.h"
+#include "SVGTransformListImpl.h"
+#include "SVGTransformableImpl.h"
+#include "SVGAnimatedLengthImpl.h"
+#include "SVGAnimatedLengthListImpl.h"
+
+#include "KSVGCanvas.h"
+#include "CanvasItem.h"
+
+using namespace KSVG;
+
+#include "ksvg_ecma.h"
+#include "ksvg_window.h"
+
+SVGHelperImpl::SVGHelperImpl()
+{
+}
+
+SVGHelperImpl::~SVGHelperImpl()
+{
+}
+
+void SVGHelperImpl::updateItem(KJS::ExecState *exec, const DOM::Node node)
+{
+	// Get document
+	SVGDocumentImpl *doc = Window::retrieveActive(exec)->doc();
+
+	// Update canvas, recursively if needed
+	SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(doc->getElementFromHandle(node.handle()));
+
+	if(shape && shape->item())
+	{
+		shape->item()->update(UPDATE_TRANSFORM);
+		shape->item()->draw();
+		shape->blit(doc->canvas());
+	}
+
+	if(const_cast<DOM::Node &>(node).hasChildNodes())
+	{
+		DOM::Node iterate = node.firstChild();
+		for(; !iterate.isNull(); iterate = iterate.nextSibling())
+			updateItem(exec, iterate);
+	}
+}
+
+void SVGHelperImpl::copyAttributes(SVGElementImpl *src, SVGElementImpl *dst)
+{
+	TQDictIterator<DOM::DOMString> it(src->attributes());
+	for(; it.current(); ++it)
+	{
+		DOM::DOMString name = it.currentKey();
+		DOM::DOMString value = it.current()->string();
+
+		if(name != "id" && !dst->hasAttribute(name))
+		{
+			dst->setAttribute(name, value);
+			dst->setAttributeInternal(name, value);
+		}
+	}
+}
+
+void SVGHelperImpl::parseList(SVGStringListImpl *list, char seperator, const TQString &data)
+{
+	// TODO : more error checking/reporting
+	list->clear();
+
+	TQStringList substrings = TQStringList::split(seperator, data);
+	TQStringList::ConstIterator it = substrings.begin();
+	TQStringList::ConstIterator end = substrings.end();
+	for(; it != end; ++it)
+	{
+		SharedString *string = new SharedString(*it);
+		string->ref();
+		
+		list->appendItem(string);
+	}
+}
+
+void SVGHelperImpl::parseLengthList(SVGAnimatedLengthListImpl *list, const TQString &lengths, LengthMode mode, SVGElementImpl *object)
+{
+	// get either comma or space delimited lists
+	// TODO : more error checking/reporting
+	TQStringList sublengths = TQStringList::split(TQRegExp("[, ]"), lengths);
+	TQStringList::ConstIterator it = sublengths.begin();
+	TQStringList::ConstIterator end = sublengths.end();
+	
+	SVGLengthImpl *lengthImpl = 0;
+	for(; it != end; ++it)
+	{
+		lengthImpl = new SVGLengthImpl(mode, object);
+		lengthImpl->ref();
+		
+		lengthImpl->setValueAsString(*it);		
+		list->baseVal()->appendItem(lengthImpl);
+	}
+}
+
+void SVGHelperImpl::parseCommaSeperatedList(SVGStringListImpl *list, const TQString &data)
+{
+	parseList(list, ',', data);
+}
+
+void SVGHelperImpl::parseSemicolonSeperatedList(SVGStringListImpl *list, const TQString &data)
+{
+	parseList(list, ';', data);
+}
+
+void SVGHelperImpl::parseTransformAttribute(SVGTransformListImpl *list, const TQString &transform)
+{
+	// Split string for handling 1 transform statement at a time
+	TQStringList subtransforms = TQStringList::split(')', transform);
+	TQStringList::ConstIterator it = subtransforms.begin();
+	TQStringList::ConstIterator end = subtransforms.end();
+	for(; it != end; ++it)
+	{
+		TQStringList subtransform = TQStringList::split('(', (*it));
+
+		subtransform[0] = subtransform[0].stripWhiteSpace().lower();
+		subtransform[1] = subtransform[1].simplifyWhiteSpace();
+		TQRegExp reg("([-]?\\d*\\.?\\d+(?:e[-]?\\d+)?)");
+
+		int pos = 0;
+		TQStringList params;
+		
+		while(pos >= 0)
+		{
+			pos = reg.search(subtransform[1], pos);
+			if(pos != -1)
+			{
+				params += reg.cap(1);
+				pos += reg.matchedLength();
+			}
+		}
+
+		if(subtransform[0].startsWith(";") || subtransform[0].startsWith(","))
+			subtransform[0] = subtransform[0].right(subtransform[0].length() - 1);
+
+		SVGTransformImpl *t = SVGSVGElementImpl::createSVGTransform();
+
+		if(subtransform[0] == "rotate")
+		{
+			if(params.count() == 3)
+				t->setRotate(params[0].toDouble(),
+							 params[1].toDouble(),
+	 						 params[2].toDouble());
+			else
+				t->setRotate(params[0].toDouble(), 0, 0);
+		}
+		else if(subtransform[0] == "translate")
+		{
+			if(params.count() == 2)
+				t->setTranslate(params[0].toDouble(), params[1].toDouble());
+			else    // Spec : if only one param given, assume 2nd param to be 0
+				t->setTranslate(params[0].toDouble(), 0);
+		}
+		else if(subtransform[0] == "scale")
+		{
+			if(params.count() == 2)
+				t->setScale(params[0].toDouble(), params[1].toDouble());
+			else    // Spec : if only one param given, assume uniform scaling
+				t->setScale(params[0].toDouble(), params[0].toDouble());
+		}
+		else if(subtransform[0] == "skewx")
+			t->setSkewX(params[0].toDouble());
+		else if(subtransform[0] == "skewy")
+			t->setSkewY(params[0].toDouble());
+		else if(subtransform[0] == "matrix")
+		{
+			if(params.count() >= 6)
+			{
+				SVGMatrixImpl *ret = new SVGMatrixImpl(params[0].toDouble(),
+													   params[1].toDouble(),
+													   params[2].toDouble(),
+													   params[3].toDouble(),
+													   params[4].toDouble(),
+													   params[5].toDouble());
+				t->setMatrix(ret);
+			}
+		}
+
+		list->appendItem(t);
+	}
+}
+
+/// convert from user space to "real" pixels on rendering area
+TQRect SVGHelperImpl::fromUserspace(SVGElementImpl *obj, const TQRect &r)
+{
+	TQRect sr;
+
+	SVGLocatableImpl *locate = dynamic_cast<SVGLocatableImpl *>(obj);
+	
+	if(locate)
+		sr = locate->screenCTM()->qmatrix().mapRect(r);
+
+	return sr;
+}