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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
*
* 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.
*/
#ifndef SVGTextContentElement_h
#define SVGTextContentElement_h
#include "core/svg/SVGAnimatedBoolean.h"
#include "core/svg/SVGAnimatedEnumeration.h"
#include "core/svg/SVGAnimatedLength.h"
#include "core/svg/SVGGraphicsElement.h"
#include "core/svg/SVGPointTearOff.h"
#include "platform/heap/Handle.h"
namespace blink {
class ExceptionState;
enum SVGLengthAdjustType {
SVGLengthAdjustUnknown,
SVGLengthAdjustSpacing,
SVGLengthAdjustSpacingAndGlyphs
};
template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGLengthAdjustType>();
class SVGTextContentElement : public SVGGraphicsElement {
DEFINE_WRAPPERTYPEINFO();
public:
// Forward declare enumerations in the W3C naming scheme, for IDL generation.
enum {
LENGTHADJUST_UNKNOWN = SVGLengthAdjustUnknown,
LENGTHADJUST_SPACING = SVGLengthAdjustSpacing,
LENGTHADJUST_SPACINGANDGLYPHS = SVGLengthAdjustSpacingAndGlyphs
};
unsigned getNumberOfChars();
float getComputedTextLength();
float getSubStringLength(unsigned charnum, unsigned nchars, ExceptionState&);
PassRefPtrWillBeRawPtr<SVGPointTearOff> getStartPositionOfChar(unsigned charnum, ExceptionState&);
PassRefPtrWillBeRawPtr<SVGPointTearOff> getEndPositionOfChar(unsigned charnum, ExceptionState&);
PassRefPtrWillBeRawPtr<SVGRectTearOff> getExtentOfChar(unsigned charnum, ExceptionState&);
float getRotationOfChar(unsigned charnum, ExceptionState&);
int getCharNumAtPosition(PassRefPtrWillBeRawPtr<SVGPointTearOff>, ExceptionState&);
void selectSubString(unsigned charnum, unsigned nchars, ExceptionState&);
static SVGTextContentElement* elementFromRenderer(RenderObject*);
SVGAnimatedLength* textLength() { return m_textLength.get(); }
bool textLengthIsSpecifiedByUser() { return m_textLengthIsSpecifiedByUser; }
SVGAnimatedEnumeration<SVGLengthAdjustType>* lengthAdjust() { return m_lengthAdjust.get(); }
virtual void trace(Visitor*) override;
protected:
SVGTextContentElement(const QualifiedName&, Document&);
bool isSupportedAttribute(const QualifiedName&);
virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
virtual bool isPresentationAttribute(const QualifiedName&) const override final;
virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override final;
virtual void svgAttributeChanged(const QualifiedName&) override;
virtual bool selfHasRelativeLengths() const override;
private:
virtual bool isTextContent() const override final { return true; }
RefPtrWillBeMember<SVGAnimatedLength> m_textLength;
bool m_textLengthIsSpecifiedByUser;
RefPtrWillBeMember<SVGAnimatedEnumeration<SVGLengthAdjustType> > m_lengthAdjust;
};
inline bool isSVGTextContentElement(const SVGElement& element)
{
return element.isTextContent();
}
DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGTextContentElement);
} // namespace blink
#endif // SVGTextContentElement_h
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