qpaintevent
paintEvent(QPaintEvent*)函数是QWidget类中的虚函数,用于ui的绘制,会在多种情况下被其他函数自动调用,比如update()时。下面简单说一下 ...,若是圖形元件,通常會重新定義QWidget的paintEvent(),當繪圖裝置(Paint Device)需要重繪時,就會發出QPaintEvent並分派給這個方法來處理事件,例如元件 ...
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qpaintevent 相關參考資料
paintEvent(QPaintEvent *)函式過載| 程式前沿
paintEvent(QPaintEvent *)函式是QWidget類中的虛擬函式,用於ui的繪製,會在多種情況下被其他函式自動呼叫,比如update()時。下面簡單說 ... https://codertw.com paintEvent(QPaintEvent *)函数重载_aizhaoyu的专栏-CSDN博客
paintEvent(QPaintEvent*)函数是QWidget类中的虚函数,用于ui的绘制,会在多种情况下被其他函数自动调用,比如update()时。下面简单说一下 ... https://blog.csdn.net QPainter - OpenHome.cc
若是圖形元件,通常會重新定義QWidget的paintEvent(),當繪圖裝置(Paint Device)需要重繪時,就會發出QPaintEvent並分派給這個方法來處理事件,例如元件 ... https://openhome.cc QPaintEvent Class - Qt Documentation
Detailed Description. The QPaintEvent class contains event parameters for paint events. Paint events are sent to widgets that need to update themselves, for ... https://doc.qt.io QPaintEvent Class | Qt 4.8 - Qt Documentation
Detailed Description. The QPaintEvent class contains event parameters for paint events. Paint events are sent to widgets that need to update themselves, ... https://doc.qt.io QPaintEvent Class | Qt GUI 5.11 - Qt Documentation
The QPaintEvent class contains event parameters for paint events. Paint events are sent to widgets that need to update themselves, for instance when part of a ... https://doc.qt.io QPaintEvent Class | Qt GUI 5.12.9 - Qt Documentation
QPaintEvent::QPaintEvent(const QRegion &paintRegion). Constructs a paint event object with the region that needs to be updated. The region is specified by ... https://doc.qt.io QPaintEvent Class | Qt GUI 5.14.2 - Qt Documentation
QPaintEvent::QPaintEvent(const QRect &paintRect). Constructs a paint event object with the rectangle that needs to be updated. The region is specified by ... https://doc.qt.io QPaintEvent Class | Qt GUI 5.15.1 - Qt Documentation
QPaintEvent::QPaintEvent(const QRect &paintRect). Constructs a paint event object with the rectangle that needs to be updated. The region is specified by ... https://doc.qt.io Qt嵌入式软件开发----------QPaintEvent事件的相关理解 - CSDN
void QWidget::paintEvent ( QPaintEvent * ) 如果不了解它的原理,任意找个例子程序你也是很难找到什么时候它被调用的痕迹的。 Paint这个事件 ... https://blog.csdn.net |