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QwtPlainTextEngine(3) Qwt User's Guide QwtPlainTextEngine(3)

NAME

QwtPlainTextEngine -
A text engine for plain texts.
 

SYNOPSIS

#include <qwt_text_engine.h>
Inherits QwtTextEngine.

Public Member Functions


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
 
QwtPlainTextEngine ()
 
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
 
virtual ~QwtPlainTextEngine ()
 

Detailed Description

A text engine for plain texts.
 
QwtPlainTextEngine renders texts using the basic Qt classes QPainter and QFontMetrics.

Constructor & Destructor Documentation

QwtPlainTextEngine::QwtPlainTextEngine ()

Constructor.

QwtPlainTextEngine::~QwtPlainTextEngine () [virtual]

Destructor.

Member Function Documentation

void QwtPlainTextEngine::draw (QPainter *painter, const QRect &rect, intflags, 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, intflags, const QString &text, intwidth) 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, intflags, 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.
 

Author

Generated automatically by Doxygen for Qwt User's Guide from the source code.
Mon Aug 1 2011 Version 5.2.2