Sources_For_Linux/Qwt/doc/man/man3/QwtPlainTextEngine.3

.TH "QwtPlainTextEngine" 3 "Mon Dec 28 2020" "Version 6.1.6" "Qwt User's Guide" \" -*- nroff -*-
.ad l
.nh
.SH NAME
QwtPlainTextEngine \- A text engine for plain texts\&.  

.SH SYNOPSIS
.br
.PP
.PP
\fC#include <qwt_text_engine\&.h>\fP
.PP
Inherits \fBQwtTextEngine\fP\&.
.SS "Public Member Functions"

.in +1c
.ti -1c
.RI "\fBQwtPlainTextEngine\fP ()"
.br
.RI "Constructor\&. "
.ti -1c
.RI "virtual \fB~QwtPlainTextEngine\fP ()"
.br
.RI "Destructor\&. "
.ti -1c
.RI "virtual double \fBheightForWidth\fP (const QFont &font, int flags, const QString &text, double width) const"
.br
.ti -1c
.RI "virtual QSizeF \fBtextSize\fP (const QFont &font, int flags, const QString &text) const"
.br
.ti -1c
.RI "virtual void \fBdraw\fP (QPainter *painter, const QRectF &rect, int flags, const QString &text) const"
.br
.RI "Draw the text in a clipping rectangle\&. "
.ti -1c
.RI "virtual bool \fBmightRender\fP (const QString &) const"
.br
.ti -1c
.RI "virtual void \fBtextMargins\fP (const QFont &, const QString &, double &left, double &right, double &top, double &bottom) const"
.br
.in -1c
.SS "Additional Inherited Members"
.SH "Detailed Description"
.PP 
A text engine for plain texts\&. 

\fBQwtPlainTextEngine\fP renders texts using the basic Qt classes QPainter and QFontMetrics\&. 
.SH "Member Function Documentation"
.PP 
.SS "void QwtPlainTextEngine::draw (QPainter * painter, const QRectF & rect, int flags, const QString & text) const\fC [virtual]\fP"

.PP
Draw the text in a clipping rectangle\&. A wrapper for QPainter::drawText\&.
.PP
\fBParameters\fP
.RS 4
\fIpainter\fP Painter 
.br
\fIrect\fP Clipping rectangle 
.br
\fIflags\fP Bitwise OR of the flags used like in QPainter::drawText 
.br
\fItext\fP Text to be rendered 
.RE
.PP

.PP
Implements \fBQwtTextEngine\fP\&.
.SS "double QwtPlainTextEngine::heightForWidth (const QFont & font, int flags, const QString & text, double width) const\fC [virtual]\fP"
Find the height for a given width
.PP
\fBParameters\fP
.RS 4
\fIfont\fP Font of the text 
.br
\fIflags\fP Bitwise OR of the flags used like in QPainter::drawText 
.br
\fItext\fP Text to be rendered 
.br
\fIwidth\fP Width
.RE
.PP
\fBReturns\fP
.RS 4
Calculated height 
.RE
.PP

.PP
Implements \fBQwtTextEngine\fP\&.
.SS "bool QwtPlainTextEngine::mightRender (const QString &) const\fC [virtual]\fP"
Test if a string can be rendered by this text engine\&. 
.PP
\fBReturns\fP
.RS 4
Always true\&. All texts can be rendered by \fBQwtPlainTextEngine\fP 
.RE
.PP

.PP
Implements \fBQwtTextEngine\fP\&.
.SS "void QwtPlainTextEngine::textMargins (const QFont & font, const QString &, double & left, double & right, double & top, double & bottom) const\fC [virtual]\fP"
Return margins around the texts
.PP
\fBParameters\fP
.RS 4
\fIfont\fP Font of the text 
.br
\fIleft\fP Return 0 
.br
\fIright\fP Return 0 
.br
\fItop\fP Return value for the top margin 
.br
\fIbottom\fP Return value for the bottom margin 
.RE
.PP

.PP
Implements \fBQwtTextEngine\fP\&.
.SS "QSizeF QwtPlainTextEngine::textSize (const QFont & font, int flags, const QString & text) const\fC [virtual]\fP"
Returns the size, that is needed to render text
.PP
\fBParameters\fP
.RS 4
\fIfont\fP Font of the text 
.br
\fIflags\fP Bitwise OR of the flags used like in QPainter::drawText 
.br
\fItext\fP Text to be rendered
.RE
.PP
\fBReturns\fP
.RS 4
Calculated size 
.RE
.PP

.PP
Implements \fBQwtTextEngine\fP\&.

.SH "Author"
.PP 
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.