Files
agv_pro_ros2/slam_gmapping/openslam_gmapping/gui/qmappainter.cpp
T
2025-06-06 16:15:07 +08:00

33 lines
689 B
C++

#include "qmappainter.h"
#include "moc_qmappainter.cpp"
QMapPainter::QMapPainter( QWidget * parent, const char * name, WFlags f):
QWidget(parent, name, f|WRepaintNoErase|WResizeNoErase){
m_pixmap=new QPixmap(size());
m_pixmap->fill(Qt::white);
}
void QMapPainter::resizeEvent(QResizeEvent * sizeev){
m_pixmap->resize(sizeev->size());
}
QMapPainter::~QMapPainter(){
delete m_pixmap;
}
void QMapPainter::timerEvent(QTimerEvent * te) {
if (te->timerId()==timer)
update();
}
void QMapPainter::start(int period){
timer=startTimer(period);
}
void QMapPainter::paintEvent ( QPaintEvent * ){
bitBlt(this,0,0,m_pixmap,0,0,m_pixmap->width(),m_pixmap->height(),CopyROP);
}