QTextItem Class
The QTextItem class provides all the information required to draw text in a custom paint engine. More...
Header: | #include <QTextItem> |
qmake: | QT += gui |
Public Types
enum | RenderFlag { RightToLeft, Overline, Underline, StrikeOut } |
flags | RenderFlags |
Public Functions
qreal | ascent() const |
qreal | descent() const |
QFont | font() const |
QTextItem::RenderFlags | renderFlags() const |
QString | text() const |
qreal | width() const |
Detailed Description
When you reimplement your own paint engine, you must reimplement QPaintEngine::drawTextItem(), a function that takes a QTextItem as one of its arguments.
Member Type Documentation
enum QTextItem::RenderFlagflags QTextItem::RenderFlags
Constant | Value | Description |
---|---|---|
QTextItem::RightToLeft |
0x1 |
Render the text from right to left. |
QTextItem::Overline |
0x10 |
Paint a line above the text. |
QTextItem::Underline |
0x20 |
Paint a line under the text. |
QTextItem::StrikeOut |
0x40 |
Paint a line through the text. |
The RenderFlags type is a typedef for QFlags<RenderFlag>. It stores an OR combination of RenderFlag values.
Member Function Documentation
qreal QTextItem::ascent() const
Corresponds to the ascent of the piece of text that is drawn.
qreal QTextItem::descent() const
Corresponds to the descent of the piece of text that is drawn.
QFont QTextItem::font() const
Returns the font that should be used to draw the text.
QTextItem::RenderFlags QTextItem::renderFlags() const
Returns the render flags used.
QString QTextItem::text() const
Returns the text that should be drawn.
qreal QTextItem::width() const
Specifies the total width of the text to be drawn.
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Licensed under the GNU Free Documentation License, Version 1.3.
https://doc.qt.io/qt-5.14/qtextitem.html