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QwtMathMLTextEngine - Text Engine for the MathML renderer of the Qt solutions package.

Author

       Generated automatically by Doxygen for Qwt User's Guide from the source code.

Version 6.1.4                                    Wed Jan 2 2019                           QwtMathMLTextEngine(3)

Detailed Description

       Text Engine for the MathML renderer of the Qt solutions package.

       To enable MathML support the following code needs to be added to the application:

       #include <qwt_mathml_text_engine.h>

       QwtText::setTextEngine( QwtText::MathMLText, new QwtMathMLTextEngine() );

       Seealso:QwtTextEngine, QwtText::setTextEngineWarning:
           Unfortunately the MathML renderer doesn't support rotating of texts.

Member Function Documentation

voidQwtMathMLTextEngine::draw(QPainter*painter,constQRectF&rect,intflags,constQString&text)const[virtual]
       Draw the text in a clipping rectangle

       Parameters:painter Painter
           rect Clipping rectangle
           flags Bitwise OR of the flags like in for QPainter::drawText
           text Text to be rendered

       Implements QwtTextEngine.

   doubleQwtMathMLTextEngine::heightForWidth(constQFont&font,intflags,constQString&text,doublewidth)const[virtual]
       Find the height for a given width

       Parameters:font Font of the text
           flags Bitwise OR of the flags used like in QPainter::drawText
           text Text to be rendered
           width Width

       Returns:
           Calculated height

       Implements QwtTextEngine.

   boolQwtMathMLTextEngine::mightRender(constQString&text)const[virtual]
       Test if a string can be rendered by QwtMathMLTextEngineParameters:text Text to be tested

       Returns:
           true, if text begins with '<math>'.

       Implements QwtTextEngine.

   voidQwtMathMLTextEngine::textMargins(constQFont&,constQString&,double&left,double&right,double&top,double&bottom)const[virtual]
       Return margins around the texts

       Parameters:left Return 0
           right Return 0
           top Return 0
           bottom Return 0

       Implements QwtTextEngine.

   QSizeFQwtMathMLTextEngine::textSize(constQFont&font,intflags,constQString&text)const[virtual]
       Returns the size, that is needed to render text

       Parameters:font Font of the text
           flags Bitwise OR of the flags used like in QPainter::drawText
           text Text to be rendered

       Returns:
           Caluclated size

       Implements QwtTextEngine.

Name

       QwtMathMLTextEngine - Text Engine for the MathML renderer of the Qt solutions package.

Synopsis

       #include <qwt_mathml_text_engine.h>

       Inherits QwtTextEngine.

   PublicMemberFunctionsQwtMathMLTextEngine ()
           Constructor.
       virtual ~QwtMathMLTextEngine ()
           Destructor.
       virtual double heightForWidth (const QFont &font, int flags, const QString &text, double width) const
       virtual QSizeF textSize (const QFont &font, int flags, const QString &text) const
       virtual void draw (QPainter *painter, const QRectF &rect, int flags, const QString &text) const
       virtual bool mightRender (const QString &) const
       virtual void textMargins (const QFont &, const QString &, double &left, double &right, double &top,
           double &bottom) const

   AdditionalInheritedMembers

See Also