FluentUI/src/Screenshot.cpp
朱子楚\zhuzi 0df4c6858b update
2023-08-16 22:23:58 +08:00

27 lines
1010 B
C++

#include "Screenshot.h"
#include <QGuiApplication>
#include <QScreen>
#include <QQuickWindow>
Screenshot::Screenshot(QQuickItem* parent) : QQuickPaintedItem(parent)
{
maskColor(QColor(0,0,0,80));
start(QPoint(0,0));
end(QPoint(0,0));
_desktopGeometry = qApp->primaryScreen()->virtualGeometry();
_desktopPixmap = qApp->primaryScreen()->grabWindow(0, _desktopGeometry.x(), _desktopGeometry.y(), _desktopGeometry.width(), _desktopGeometry.height());
connect(this,&Screenshot::startChanged,this,[=]{update();});
connect(this,&Screenshot::endChanged,this,[=]{update();});
}
void Screenshot::paint(QPainter* painter)
{
painter->save();
painter->eraseRect(boundingRect());
painter->drawPixmap(_desktopGeometry,_desktopPixmap);
painter->fillRect(_desktopGeometry,_maskColor);
painter->setCompositionMode(QPainter::CompositionMode_Clear);
painter->fillRect(QRect(_start.x(),_start.y(),_end.x()-_start.x(),_end.y()-_start.y()), Qt::black);
painter->restore();
}