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Diffstat (limited to 'ksvg/impl/SVGTextPathElementImpl.cc')
| -rw-r--r-- | ksvg/impl/SVGTextPathElementImpl.cc | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/ksvg/impl/SVGTextPathElementImpl.cc b/ksvg/impl/SVGTextPathElementImpl.cc new file mode 100644 index 00000000..ec218046 --- /dev/null +++ b/ksvg/impl/SVGTextPathElementImpl.cc @@ -0,0 +1,240 @@ +/* + 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 <klocale.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; +} + +QString 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: + { + QString param = value.toString(exec).qstring(); + + if(param.endsWith("%")) + { + QString 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: + { + QString 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: + { + QString 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]]"); +} + +// vim:ts=4:noet |