70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
#include "Screenshot.h"
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#include <QGuiApplication>
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#include <QScreen>
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#include <QQuickWindow>
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#include <QtMath>
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Screenshot::Screenshot(QQuickItem* parent) : QQuickPaintedItem(parent)
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{
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_desktopGeometry = qApp->primaryScreen()->virtualGeometry();
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maskColor(QColor(0,0,0,80));
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start(QPoint(0,0));
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end(QPoint(0,0));
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connect(this,&Screenshot::startChanged,this,[=]{update();});
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connect(this,&Screenshot::endChanged,this,[=]{update();});
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}
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void Screenshot::paint(QPainter* painter)
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{
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painter->save();
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painter->fillRect(_desktopGeometry,_maskColor);
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painter->setCompositionMode(QPainter::CompositionMode_Clear);
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painter->fillRect(QRect(_start.x(),_start.y(),_end.x()-_start.x(),_end.y()-_start.y()), Qt::black);
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painter->restore();
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}
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ScreenshotBackground::ScreenshotBackground(QQuickItem* parent) : QQuickPaintedItem(parent)
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{
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_devicePixelRatio = qApp->primaryScreen()->devicePixelRatio();
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_desktopGeometry = qApp->primaryScreen()->virtualGeometry();
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_desktopPixmap = qApp->primaryScreen()->grabWindow(0, _desktopGeometry.x(), _desktopGeometry.y(), _desktopGeometry.width(), _desktopGeometry.height());
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int w = qApp->primaryScreen()->geometry().width();
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int h = qApp->primaryScreen()->geometry().height();
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foreach (auto item, qApp->screens()) {
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if(item != qApp->primaryScreen()){
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w = w + item->geometry().width()/qApp->primaryScreen()->devicePixelRatio();
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}
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}
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setWidth(w);
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setHeight(h);
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}
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void ScreenshotBackground::paint(QPainter* painter)
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{
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painter->save();
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QPixmap sourcePixmap;
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QPainter p(&sourcePixmap);
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p.drawPixmap(_desktopGeometry,_desktopPixmap);
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painter->drawPixmap(_desktopGeometry,sourcePixmap);
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painter->restore();
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}
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void ScreenshotBackground::capture(const QPoint& start,const QPoint& end){
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qDebug()<<start;
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qDebug()<<end;
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_grabResult = grabToImage();
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auto x = qMin(start.x(),end.x());
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auto y = qMin(start.y(),end.y());
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auto w = qAbs(end.x()-start.x());
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auto h = qAbs(end.y()-start.y());
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_captureRect = QRect(x,y,w,h);
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qDebug()<<_captureRect;
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connect(_grabResult.data(), &QQuickItemGrabResult::ready, this, &ScreenshotBackground::handleGrabResult);
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}
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void ScreenshotBackground::handleGrabResult(){
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_grabResult.data()->image().copy(_captureRect).save("aaa.png");
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}
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