QTextItem Class Reference

\inmodule QtGui More...

#include <qpaintengine.h>

Inheritance diagram for QTextItem:

Collaboration diagram for QTextItem:

Public Types
enum	RenderFlag {   RightToLeft = 0x1 , Overline = 0x10 , Underline = 0x20 , StrikeOut = 0x40 ,   Dummy = 0xffffffff }
	\value RightToLeft Render the text from right to left. More...

Public Member Functions
qreal	descent () const
	Corresponds to the \l{QFontMetrics::descent()}{descent} of the piece of text that is drawn.
qreal	ascent () const
	Corresponds to the \l{QFontMetrics::ascent()}{ascent} of the piece of text that is drawn.
qreal	width () const
	Specifies the total width of the text to be drawn.
RenderFlags	renderFlags () const
	Returns the render flags used.
QString	text () const
	Returns the text that should be drawn.
QFont	font () const
	Returns the font that should be used to draw the text.

Detailed Description

\inmodule QtGui

The QTextItem class provides all the information required to draw text in a custom paint engine.

When you reimplement your own paint engine, you must reimplement QPaintEngine::drawTextItem(), a function that takes a QTextItem as one of its arguments.

Definition at line 28 of file qpaintengine.h.

Member Enumeration Documentation

RenderFlag

enum QTextItem::RenderFlag

\value RightToLeft Render the text from right to left.

\value Overline Paint a line above the text. \value Underline Paint a line under the text. \value StrikeOut Paint a line through the text. \omitvalue Dummy

Enumerator
RightToLeft
Overline
Underline
StrikeOut
Dummy

Definition at line 30 of file qpaintengine.h.

Member Function Documentation

ascent()

qreal QTextItem::ascent

(

)

const

Corresponds to the \l{QFontMetrics::ascent()}{ascent} of the piece of text that is drawn.

Definition at line 62 of file qpaintengine.cpp.

References QTextItemInt::ascent, and QFixed::toReal().

Referenced by QAlphaPaintEngine::drawTextItem(), and QPicturePaintEngine::drawTextItem().

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descent()

qreal QTextItem::descent

(

)

const

Corresponds to the \l{QFontMetrics::descent()}{descent} of the piece of text that is drawn.

Definition at line 51 of file qpaintengine.cpp.

References QTextItemInt::descent, and QFixed::toReal().

Referenced by QAlphaPaintEngine::drawTextItem().

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font()

QFont QTextItem::font

(

)

const

Returns the font that should be used to draw the text.

Definition at line 106 of file qpaintengine.cpp.

References QTextItemInt::f, and QGuiApplication::font().

Referenced by QPicturePaintEngine::drawTextItem(), QSvgPaintEngine::drawTextItem(), and QBlittablePlatformPixmap::markRasterOverlay().

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renderFlags()

QTextItem::RenderFlags QTextItem::renderFlags

(

)

const

Returns the render flags used.

Definition at line 84 of file qpaintengine.cpp.

References QTextItemInt::flags.

Referenced by QPicturePaintEngine::drawTextItem().

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text()

QString QTextItem::text

(

)

const

Returns the text that should be drawn.

Definition at line 95 of file qpaintengine.cpp.

References QTextItemInt::chars, and QTextItemInt::num_chars.

Referenced by QPainterPrivate::drawTextItem(), QPicturePaintEngine::drawTextItem(), and QBlittablePlatformPixmap::markRasterOverlay().

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width()

qreal QTextItem::width

(

)

const

Specifies the total width of the text to be drawn.

Definition at line 73 of file qpaintengine.cpp.

References QFixed::toReal(), and QTextItemInt::width.

Referenced by QAlphaPaintEngine::drawTextItem().

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

• qtbase/src/gui/painting/qpaintengine.h
• qtbase/src/gui/painting/qpaintengine.cpp