Classes | Public Member Functions | Private Attributes | List of all members
QwtPlainTextEngine Class Reference

A text engine for plain texts. More...

#include <qwt_text_engine.h>

Inheritance diagram for QwtPlainTextEngine:
Inheritance graph
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Classes

class  PrivateData
 

Public Member Functions

virtual void draw (QPainter *, const QRectF &rect, int flags, const QString &text) const QWT_OVERRIDE
 Draw the text in a clipping rectangle. More...
 
virtual double heightForWidth (const QFont &font, int flags, const QString &text, double width) const QWT_OVERRIDE
 
virtual bool mightRender (const QString &) const QWT_OVERRIDE
 
 QwtPlainTextEngine ()
 Constructor. More...
 
virtual void textMargins (const QFont &, const QString &, double &left, double &right, double &top, double &bottom) const QWT_OVERRIDE
 
virtual QSizeF textSize (const QFont &font, int flags, const QString &text) const QWT_OVERRIDE
 
virtual ~QwtPlainTextEngine ()
 Destructor. More...
 
- Public Member Functions inherited from QwtTextEngine
virtual ~QwtTextEngine ()
 Destructor. More...
 

Private Attributes

PrivateDatad_data
 

Additional Inherited Members

- Protected Member Functions inherited from QwtTextEngine
 QwtTextEngine ()
 Constructor. More...
 

Detailed Description

A text engine for plain texts.

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

Definition at line 111 of file qwt_text_engine.h.

Constructor & Destructor Documentation

QwtPlainTextEngine::QwtPlainTextEngine ( )

Constructor.

Definition at line 151 of file qwt_text_engine.cpp.

QwtPlainTextEngine::~QwtPlainTextEngine ( )
virtual

Destructor.

Definition at line 157 of file qwt_text_engine.cpp.

Member Function Documentation

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

Draw the text in a clipping rectangle.

A wrapper for QPainter::drawText.

Parameters
painterPainter
rectClipping rectangle
flagsBitwise OR of the flags used like in QPainter::drawText
textText to be rendered

Implements QwtTextEngine.

Definition at line 230 of file qwt_text_engine.cpp.

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

Find the height for a given width

Parameters
fontFont of the text
flagsBitwise OR of the flags used like in QPainter::drawText
textText to be rendered
widthWidth
Returns
Calculated height

Implements QwtTextEngine.

Definition at line 172 of file qwt_text_engine.cpp.

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.

Definition at line 240 of file qwt_text_engine.cpp.

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

Return margins around the texts

Parameters
fontFont of the text
leftReturn 0
rightReturn 0
topReturn value for the top margin
bottomReturn value for the bottom margin

Implements QwtTextEngine.

Definition at line 210 of file qwt_text_engine.cpp.

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

Returns the size, that is needed to render text

Parameters
fontFont of the text
flagsBitwise OR of the flags used like in QPainter::drawText
textText to be rendered
Returns
Calculated size

Implements QwtTextEngine.

Definition at line 191 of file qwt_text_engine.cpp.

Member Data Documentation

PrivateData* QwtPlainTextEngine::d_data
private

Definition at line 134 of file qwt_text_engine.h.


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


plotjuggler
Author(s): Davide Faconti
autogenerated on Sun Dec 6 2020 04:02:50