QwtPlainTextEngine Class Reference

#include <qwt_text_engine.h>

Inheritance diagram for QwtPlainTextEngine:

List of all members.

Public Member Functions
	QwtPlainTextEngine ()
virtual	~QwtPlainTextEngine ()
virtual void	draw (QPainter *painter, const QRect &rect, int flags, const QString &text) const
virtual int	heightForWidth (const QFont &font, int flags, const QString &text, int width) const
virtual bool	mightRender (const QString &) const
virtual void	textMargins (const QFont &, const QString &, int &left, int &right, int &top, int &bottom) const
virtual QSize	textSize (const QFont &font, int flags, const QString &text) const
Public Member Functions inherited from QwtTextEngine
virtual	~QwtTextEngine ()

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

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Detailed Description

A text engine for plain texts.

QwtPlainTextEngine renders texts using the basic Qt classes QPainter and QFontMetrics.

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Member Function Documentation

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

virtual

Draw the text in a clipping rectangle.

A wrapper for QPainter::drawText.

Parameters:

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

Implements QwtTextEngine.

int QwtPlainTextEngine::heightForWidth ( const QFont &  font, int  flags, const QString &  text, int  width  ) 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.

bool QwtPlainTextEngine::mightRender ( const QString &  ) const

virtual

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

Returns:

Always true. All texts can be rendered by QwtPlainTextEngine

Implements QwtTextEngine.

void QwtPlainTextEngine::textMargins ( const QFont &  font, const QString &  , int &  left, int &  right, int &  top, int &  bottom  ) const

virtual

Return margins around the texts

Parameters:

font	Font of the text
left	Return 0
right	Return 0
top	Return value for the top margin
bottom	Return value for the bottom margin

Implements QwtTextEngine.

QSize QwtPlainTextEngine::textSize ( const QFont &  font, int  flags, const QString &  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.