QwtPlainTextEngine Class Reference
A text engine for plain texts. More...
#include <qwt_text_engine.h>
Inheritance diagram for QwtPlainTextEngine:
Public Member Functions | |
| QwtPlainTextEngine () | |
| virtual | ~QwtPlainTextEngine () |
| virtual int | heightForWidth (const QFont &font, int flags, const QString &text, int width) const |
| virtual QSize | textSize (const QFont &font, int flags, const QString &text) const |
| virtual void | draw (QPainter *painter, const QRect &rect, int flags, const QString &text) const |
| virtual bool | mightRender (const QString &) const |
| virtual void | textMargins (const QFont &, const QString &, int &left, int &right, int &top, int &bottom) const |
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, | |||
| 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.
Generated on Wed Sep 2 18:37:25 2009 for Qwt User's Guide by
1.6.1