Qt 截图窗口 源码下载， 简单好用

# CaptureScreen 截图窗口 # 使用示例 ``` cpp QPoint p = QWidget::mapToGlobal(this->rect().topLeft()); QRect captrueRect(p.x(), p.y(), this->rect().width(), this->rect().height()); CaptureScreen *cs = new CaptureScreen(captrueRect); connect(cs, &CaptureScreen::signalCompleteCature, this, [=](const QPixmap& pix, const QPoint& pt) { // to do something }); cs->show(); ```