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tdegraphics/ksvg/impl/SVGTextPathElementImpl.cpp

239 lines
6.5 KiB

/*
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 <tdelocale.h>
#include "Glyph.h"
#include "SVGDocumentImpl.h"
#include "SVGTextPathElement.h"
#include "SVGAnimatedLengthImpl.h"
#include "SVGTextPathElementImpl.h"
#include "SVGAnimatedEnumerationImpl.h"
using namespace KSVG;
#include "SVGTextPathElementImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_ecma.h"
#include "ksvg_cacheimpl.h"
SVGTextPathElementImpl::SVGTextPathElementImpl(DOM::ElementImpl *impl) : SVGTextContentElementImpl(impl), SVGURIReferenceImpl()
{
KSVG_EMPTY_FLAGS
m_startOffset = new SVGAnimatedLengthImpl();
m_startOffset->ref();
m_method = new SVGAnimatedEnumerationImpl();
m_method->ref();
m_spacing = new SVGAnimatedEnumerationImpl();
m_spacing->ref();
}
SVGTextPathElementImpl::~SVGTextPathElementImpl()
{
if(m_startOffset)
m_startOffset->deref();
if(m_method)
m_method->deref();
if(m_spacing)
m_spacing->deref();
}
SVGAnimatedLengthImpl *SVGTextPathElementImpl::startOffset() const
{
return m_startOffset;
}
SVGAnimatedEnumerationImpl *SVGTextPathElementImpl::method() const
{
return m_method;
}
SVGAnimatedEnumerationImpl *SVGTextPathElementImpl::spacing() const
{
return m_spacing;
}
TQString SVGTextPathElementImpl::text()
{
// Otherwhise some js scripts which require a child, don't work (Niko)
if(!hasChildNodes())
{
DOM::Text impl = static_cast<DOM::Document *>(ownerDoc())->createTextNode(DOM::DOMString(""));
appendChild(impl);
}
return textDirectionAwareText();
}
void SVGTextPathElementImpl::setAttributes()
{
SVGElementImpl::setAttributes();
// Spec: if not specified, effect is as if a value of "0" were specified
if(KSVG_TOKEN_NOT_PARSED(StartOffset))
KSVG_SET_ALT_ATTRIBUTE(StartOffset, "0")
// Spec: if not specified, effect is as if a value of "align" were specified
if(KSVG_TOKEN_NOT_PARSED(Method))
KSVG_SET_ALT_ATTRIBUTE(Method, "align")
// Spec: if not specified, effect is as if a value of "exact" were specified
if(KSVG_TOKEN_NOT_PARSED(Spacing))
KSVG_SET_ALT_ATTRIBUTE(Spacing, "exact")
}
T2P::GlyphLayoutParams *SVGTextPathElementImpl::layoutParams() const
{
T2P::GlyphLayoutParams *params = SVGTextContentElementImpl::layoutParams();
params->setTextPathStartOffset(startOffset()->baseVal()->value());
return params;
}
// Ecma stuff
/*
@namespace KSVG
@begin SVGTextPathElementImpl::s_hashTable 5
startOffset SVGTextPathElementImpl::StartOffset DontDelete|ReadOnly
method SVGTextPathElementImpl::Method DontDelete|ReadOnly
spacing SVGTextPathElementImpl::Spacing DontDelete|ReadOnly
@end
*/
Value SVGTextPathElementImpl::getValueProperty(ExecState *exec, int token) const
{
KSVG_CHECK_ATTRIBUTE
switch(token)
{
case StartOffset:
if(!attributeMode)
return m_startOffset->cache(exec);
else
return Number(m_startOffset->baseVal()->value());
case Method:
if(!attributeMode)
return m_method->cache(exec);
else
return Number(m_method->baseVal());
case Spacing:
if(!attributeMode)
return m_spacing->cache(exec);
else
return Number(m_spacing->baseVal());
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
void SVGTextPathElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
{
// This class has just ReadOnly properties, only with the Internal flag set
// it's allowed to modify those.
if(!(attr & KJS::Internal))
return;
switch(token)
{
case StartOffset:
{
TQString param = value.toString(exec).qstring();
if(param.endsWith("%"))
{
TQString value = param.left(param.length() - 1);
bool ok = false;
double dValue = value.toDouble(&ok);
if(ok)
startOffset()->baseVal()->setValue(dValue / 100.0);
else
kdDebug() << "Couldn't parse startOffset: " << value << endl;
}
else
startOffset()->baseVal()->setValueAsString(value.toString(exec).qstring());
if(startOffset()->baseVal()->value() < 0) // A negative value is an error
gotError(i18n("Negative value for attribute startOffset of element <textPath> is illegal"));
break;
}
case Method:
{
TQString param = value.toString(exec).qstring();
if(param == "align")
method()->setBaseVal(TEXTPATH_METHODTYPE_ALIGN);
else if(param == "stretch")
method()->setBaseVal(TEXTPATH_METHODTYPE_STRETCH);
else
method()->setBaseVal(TEXTPATH_METHODTYPE_UNKNOWN);
break;
}
case Spacing:
{
TQString param = value.toString(exec).qstring();
if(param == "auto")
spacing()->setBaseVal(TEXTPATH_SPACINGTYPE_AUTO);
else if(param == "exact")
spacing()->setBaseVal(TEXTPATH_SPACINGTYPE_EXACT);
else
spacing()->setBaseVal(TEXTPATH_SPACINGTYPE_UNKNOWN);
break;
}
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
// CONSTANTS
/*
@namespace KSVG
@begin SVGTextPathElementImplConstructor::s_hashTable 7
TEXTPATH_METHODTYPE_UNKNOWN KSVG::TEXTPATH_METHODTYPE_UNKNOWN DontDelete|ReadOnly
TEXTPATH_METHODTYPE_ALIGN KSVG::TEXTPATH_METHODTYPE_ALIGN DontDelete|ReadOnly
TEXTPATH_METHODTYPE_STRETCH KSVG::TEXTPATH_METHODTYPE_STRETCH DontDelete|ReadOnly
TEXTPATH_SPACINGTYPE_UNKNOWN KSVG::TEXTPATH_SPACINGTYPE_UNKNOWN DontDelete|ReadOnly
TEXTPATH_SPACINGTYPE_AUTO KSVG::TEXTPATH_SPACINGTYPE_AUTO DontDelete|ReadOnly
TEXTPATH_SPACINGTYPE_EXACT KSVG::TEXTPATH_SPACINGTYPE_EXACT DontDelete|ReadOnly
@end
*/
using namespace KJS;
Value SVGTextPathElementImplConstructor::getValueProperty(ExecState *, int token) const
{
return Number(token);
}
Value KSVG::getSVGTextPathElementImplConstructor(ExecState *exec)
{
return cacheGlobalBridge<SVGTextPathElementImplConstructor>(exec, "[[svgtextpathelement.constructor]]");
}