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Fixed high DPI scaling for Android

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This commit is contained in:
claudiol 2018-10-10 18:41:32 -04:00
parent c5616cdf1b
commit 82be9920e3
1 changed files with 13 additions and 4 deletions
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17
mainwindow.cpp
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@ -138,15 +138,24 @@ void MainWindow::resizeEvent(QResizeEvent *event)
int w,h;
qreal scale;
//qreal realdpi=qApp->primaryScreen()->logicalDotsPerInch();
qreal dpratio=qApp->primaryScreen()->devicePixelRatio();
w=ui->EmuScreen->screen_width;
h=ui->EmuScreen->screen_height+5;
if(!h) h=85;
if(!w) w=131;
scale=((qreal)event->size().width())/w;
qreal dpwidth=event->size().width();
qreal realwidth=dpwidth*dpratio;
scale=realwidth/w;
if((int)scale<1) scale=1.0;
if(event->size().height()*0.38<scale*h) scale=event->size().height()*0.38/h;
ui->EmuScreen->setScale((int)scale);
else scale=(int)scale;
if(event->size().height()*0.38*dpratio<scale*h) {
scale=event->size().height()*0.38*dpratio/h;
if((int)scale<1) scale=1.0;
else scale=(int)scale;
}
// NOW CONVERT BACK TO dp SCALE
ui->EmuScreen->setScale(scale/dpratio);
}