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tdegraphics/ksvg/impl/SVGTextContentElementImpl.cc

284 lines
8.2 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 "SVGStringListImpl.h"
#include "SVGAnimatedLengthImpl.h"
#include "SVGTextContentElementImpl.h"
#include "SVGTextElementImpl.h"
#include "SVGAnimatedEnumerationImpl.h"
#include "SVGDocumentImpl.h"
using namespace KSVG;
#include "SVGTextContentElementImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_cacheimpl.h"
SVGTextContentElementImpl::SVGTextContentElementImpl(DOM::ElementImpl *impl) : SVGShapeImpl(impl), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this)
{
KSVG_EMPTY_FLAGS
m_lengthAdjust = new SVGAnimatedEnumerationImpl();
m_lengthAdjust->ref();
// Spec: default value 'spacing'
m_lengthAdjust->setBaseVal(LENGTHADJUST_SPACING);
m_textLength = new SVGAnimatedLengthImpl();
m_textLength->baseVal()->setValueAsString("-1");
m_textLength->ref();
}
SVGTextContentElementImpl::~SVGTextContentElementImpl()
{
if(m_lengthAdjust)
m_lengthAdjust->deref();
if(m_textLength)
m_textLength->deref();
}
TQString SVGTextContentElementImpl::textDirectionAwareText()
{
TQString text;
if(hasChildNodes())
{
bool ltr = getTextDirection() == LTR;
DOM::Node node = ltr ? firstChild() : lastChild();
for(; !node.isNull(); node = ltr ? node.nextSibling() : node.previousSibling())
{
if(node.nodeType() == TEXT_NODE)
{
DOM::Text textNode = node;
TQString temp = textNode.data().string();
if(!ltr)
{
TQString convert = temp;
for(int i = temp.length(); i > 0; i--)
convert[temp.length() - i] = temp[i - 1];
text += convert;
}
else
text += temp;
}
else
return text;
}
}
return text;
}
T2P::GlyphLayoutParams *SVGTextContentElementImpl::layoutParams() const
{
SVGStylableImpl *style = const_cast<SVGTextContentElementImpl *>(this);
T2P::GlyphLayoutParams *params = new T2P::GlyphLayoutParams();
params->setTb(style->getTextWritingMode() == TB);
params->setUseBidi(style->getTextUnicodeBidi() == UBNORMAL);
if(!dynamic_cast<SVGTextElementImpl *>(m_object)) // not allowed for <text>
params->setBaselineShift(style->getBaselineShift().latin1());
bool worked = true;
int deg = style->getGlyphOrientationVertical().toInt(&worked);
if(!worked)
params->setGlyphOrientationVertical(-90);
else
params->setGlyphOrientationVertical(deg);
worked = true;
deg = style->getGlyphOrientationHorizontal().toInt(&worked);
if(!worked)
params->setGlyphOrientationHorizontal(-90);
else
params->setGlyphOrientationHorizontal(deg);
SVGLengthImpl *length = new SVGLengthImpl(LENGTHMODE_OTHER, const_cast<SVGTextContentElementImpl *>(this));
length->ref();
if(style->getLetterSpacing() != "normal" && style->getLetterSpacing() != "inherit")
length->setValueAsString(DOM::DOMString(style->getLetterSpacing()));
params->setLetterSpacing(length->value());
if(style->getWordSpacing() != "normal" && style->getWordSpacing() != "inherit")
length->setValueAsString(DOM::DOMString(style->getWordSpacing()));
params->setWordSpacing(length->value());
length->deref();
return params;
}
SVGAnimatedLengthImpl *SVGTextContentElementImpl::textLength() const
{
return m_textLength;
}
SVGAnimatedEnumerationImpl *SVGTextContentElementImpl::lengthAdjust() const
{
return m_lengthAdjust;
}
long SVGTextContentElementImpl::getNumberOfChars()
{
return 0;
}
float SVGTextContentElementImpl::getComputedTextLength()
{
return 0.0;
}
/*
float SVGTextContentElementImpl::getSubStringLength(const unsigned long &charnum,const unsigned long &nchars)
{
}
SVGPoint SVGTextContentElementImpl::getStartPositionOfChar(const unsigned long &charnum)
{
}
SVGPoint SVGTextContentElementImpl::getEndPositionOfChar(const unsigned long &charnum)
{
}
SVGRect SVGTextContentElementImpl::getExtentOfChar(const unsigned long &charnum)
{
}
float SVGTextContentElementImpl::getRotationOfChar(const unsigned long &charnum)
{
}
long SVGTextContentElementImpl::getCharNumAtPosition(const SVGPoint &point)
{
}
void SVGTextContentElementImpl::selectSubString(const unsigned long &charnum,const unsigned long &nchars)
{
}
*/
// Ecma stuff
/*
@namespace KSVG
@begin SVGTextContentElementImpl::s_hashTable 3
textLength SVGTextContentElementImpl::TextLength DontDelete|ReadOnly
lengthAdjust SVGTextContentElementImpl::LengthAdjust DontDelete|ReadOnly
@end
@namespace KSVG
@begin SVGTextContentElementImplProto::s_hashTable 11
getNumberOfChars SVGTextContentElementImpl::GetNumberOfChars DontDelete|Function 0
getComputedTextLength SVGTextContentElementImpl::GetComputedTextLength DontDelete|Function 0
getSubStringLength SVGTextContentElementImpl::GetSubStringLength DontDelete|Function 2
getStartPositionOfChar SVGTextContentElementImpl::GetStartPositionOfChar DontDelete|Function 1
getEndPositionOfChar SVGTextContentElementImpl::GetEndPositionOfChar DontDelete|Function 1
getExtentOfChar SVGTextContentElementImpl::GetExtentOfChar DontDelete|Function 1
getRotationOfChar SVGTextContentElementImpl::GetRotationOfChar DontDelete|Function 1
getCharNumAtPosition SVGTextContentElementImpl::GetCharNumAtPosition DontDelete|Function 1
selectSubString SVGTextContentElementImpl::SelectSubString DontDelete|Function 2
@end
*/
KSVG_IMPLEMENT_PROTOTYPE("SVGTextContentElement", SVGTextContentElementImplProto, SVGTextContentElementImplProtoFunc)
Value SVGTextContentElementImpl::getValueProperty(ExecState *, int token) const
{
//KSVG_CHECK_ATTRIBUTE
switch(token)
{
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
void SVGTextContentElementImpl::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 TextLength:
m_textLength->baseVal()->setValueAsString(value.toString(exec).string());
if(m_textLength->baseVal()->value() < 0) // A negative value is an error
gotError(i18n("Negative value for attribute textLength of element <text> is illegal"));
break;
case LengthAdjust:
{
TQString temp = value.toString(exec).qstring();
if(temp == "spacingAndGlyphs")
m_lengthAdjust->setBaseVal(LENGTHADJUST_SPACINGANDGLYPHS);
else if(temp == "spacing")
m_lengthAdjust->setBaseVal(LENGTHADJUST_SPACING);
break;
}
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
Value SVGTextContentElementImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &)
{
KSVG_CHECK_THIS(SVGTextContentElementImpl)
switch(id)
{
default:
kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl;
break;
}
return Undefined();
}
/*
@namespace KSVG
@begin SVGTextContentElementImplConstructor::s_hashTable 5
LENGTHADJUST_UNKNOWN KSVG::LENGTHADJUST_UNKNOWN DontDelete|ReadOnly
LENGTHADJUST_SPACING KSVG::LENGTHADJUST_SPACING DontDelete|ReadOnly
LENGTHADJUST_SPACINGANDGLYPHS KSVG::LENGTHADJUST_SPACINGANDGLYPHS DontDelete|ReadOnly
@end
*/
Value SVGTextContentElementImplConstructor::getValueProperty(ExecState *, int token) const
{
return Number(token);
}
Value KSVG::getSVGTextContentElementImplConstructor(ExecState *exec)
{
return cacheGlobalBridge<SVGTextContentElementImplConstructor>(exec, "[[svgtextcontentelement.constructor]]");
}