QwtRichTextEngine Class Reference

A text engine for Qt rich texts. More...

#include <qwt_text_engine.h>

Inheritance diagram for QwtRichTextEngine:

Public Member Functions
	QwtRichTextEngine ()
	Constructor.
virtual double	heightForWidth (const QFont &font, int flags, const QString &text, double width) const override
	Find the height for a given width.
virtual QSizeF	textSize (const QFont &font, int flags, const QString &text) const override
	Return the size needed to render text.
virtual void	draw (QPainter *, const QRectF &rect, int flags, const QString &text) const override
	Draw the text in a clipping rectangle.
virtual bool	mightRender (const QString &) const override
	Test if a string can be rendered by this text engine.
virtual void	textMargins (const QFont &, const QString &, double &left, double &right, double &top, double &bottom) const override
	Return margins around the texts.
Public Member Functions inherited from QwtTextEngine
virtual	~QwtTextEngine ()
	Destructor.

Additional Inherited Members
Protected Member Functions inherited from QwtTextEngine
	QwtTextEngine ()
	Protected constructor.

Detailed Description

A text engine for Qt rich texts.

QwtRichTextEngine renders Qt rich texts using the classes of the Scribe framework of Qt.

See also

QwtPlainTextEngine

Member Function Documentation

draw()

void QwtRichTextEngine::draw ( QPainter *  painter, const QRectF &  rect, int  flags, const QString &  text  ) const

overridevirtual

Draw the text in a clipping rectangle.

Parameters

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

See also

draw()

Implements QwtTextEngine.

heightForWidth()

double QwtRichTextEngine::heightForWidth ( const QFont &  font, int  flags, const QString &  text, double  width  ) const

overridevirtual

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

See also

textSize()

Implements QwtTextEngine.

mightRender()

bool QwtRichTextEngine::mightRender ( const QString &  text ) const

overridevirtual

Test if a string can be rendered by this text engine.

Parameters

text	Text to be tested

Returns

Qt::mightBeRichText(text)

See also

mightRender()

Implements QwtTextEngine.

textMargins()

void QwtRichTextEngine::textMargins ( const QFont &  , const QString &  , double &  left, double &  right, double &  top, double &  bottom  ) const

overridevirtual

Return margins around the texts.

Parameters

left	Return 0
right	Return 0
top	Return 0
bottom	Return 0

See also

textMargins()

Implements QwtTextEngine.

textSize()

QSizeF QwtRichTextEngine::textSize ( const QFont &  font, int  flags, const QString &  text  ) const

overridevirtual

Return the size 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

Calculated size

See also

heightForWidth()

Implements QwtTextEngine.

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The documentation for this class was generated from the following files:

• /home/runner/work/QWT/QWT/src/plot/qwt_text_engine.h
• /home/runner/work/QWT/QWT/src/plot/qwt_text_engine.cpp