Referencia de la Clase QwtPlainTextEngine

A text engine for plain texts. Más...

#include <qwt_text_engine.h>

Diagrama de herencias de QwtPlainTextEngine

Lista de todos los miembros.

Clases
class	PrivateData
Métodos públicos
	QwtPlainTextEngine ()
	Constructor.
virtual	~QwtPlainTextEngine ()
	Destructor.
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
	Draw the text in a clipping rectangle.
virtual bool	mightRender (const QString &) const
virtual void	textMargins (const QFont &, const QString &, int &left, int &right, int &top, int &bottom) const

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Descripción detallada

A text engine for plain texts.

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

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Documentación del constructor y destructor

QwtPlainTextEngine::QwtPlainTextEngine

(

)

Constructor.

QwtPlainTextEngine::~QwtPlainTextEngine

(

)

[virtual]

Destructor.

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Documentación de las funciones miembro

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.

Parámetros:

painter	Painter
rect	Clipping rectangle
flags	Bitwise OR of the flags used like in QPainter::drawText
text	Text to be rendered

Implementa QwtTextEngine.

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

Find the height for a given width

Parámetros:

font	Font of the text
flags	Bitwise OR of the flags used like in QPainter::drawText
text	Text to be rendered
width	Width

Devuelve:

Calculated height

Implementa QwtTextEngine.

bool QwtPlainTextEngine::mightRender

(

const QString &

)

const [virtual]

Test if a string can be rendered by this text engine.

Devuelve:

Always true. All texts can be rendered by QwtPlainTextEngine

Implementa QwtTextEngine.

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

Return margins around the texts

Parámetros:

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

Implementa QwtTextEngine.

QSize QwtPlainTextEngine::textSize	(	const QFont &	font,
		int	flags,
		const QString &	text
	)		const [virtual]

Returns the size, that is needed to render text

Parámetros:

font	Font of the text
flags	Bitwise OR of the flags used like in QPainter::drawText
text	Text to be rendered

Devuelve:

Caluclated size

Implementa QwtTextEngine.

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La documentación para esta clase fue generada a partir de los siguientes ficheros:

• src/qwt/src/qwt_text_engine.h
• src/qwt/src/qwt_text_engine.cpp