QwtPlainTextEngine - Man Page
A text engine for plain texts.
Synopsis
#include <qwt_text_engine.h>
Inherits QwtTextEngine.
Public Member Functions
QwtPlainTextEngine ()
Constructor.
virtual ~QwtPlainTextEngine ()
Destructor.
virtual double heightForWidth (const QFont &font, int flags, const QString &text, double width) const override
virtual QSizeF textSize (const QFont &font, int flags, const QString &text) const override
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
virtual void textMargins (const QFont &, const QString &, double &left, double &right, double &top, double &bottom) const override
Additional Inherited Members
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.
Member Function Documentation
void QwtPlainTextEngine::draw (QPainter * painter, const QRectF & rect, int flags, const QString & text) const [override], [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.
Definition at line 230 of file qwt_text_engine.cpp.
double QwtPlainTextEngine::heightForWidth (const QFont & font, int flags, const QString & text, double width) const [override], [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.
Definition at line 172 of file qwt_text_engine.cpp.
bool QwtPlainTextEngine::mightRender (const QString &) const [override], [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 [override], [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.
Definition at line 210 of file qwt_text_engine.cpp.
QSizeF QwtPlainTextEngine::textSize (const QFont & font, int flags, const QString & text) const [override], [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
Calculated size
Implements QwtTextEngine.
Definition at line 191 of file qwt_text_engine.cpp.
Author
Generated automatically by Doxygen for Qwt User's Guide from the source code.