CODEWITHSUNDEEP
qtimageqt4transparencysymbian
Naruto
Naruto

Reputation: 9634

Transparent image in QT

i am new to QT, i got to know how to load a simple image on a window. i want to know how to make transparent?.

please tell me the way to achieve it.

Thanks

Upvotes: 2

Views: 5778

Answers (1)

Euklid
Euklid

Reputation: 31

This is how I did it:

canvas = new QImage(":/Zuerich.jpg");
city = new QImage(canvas->size(),QImage::Format_ARGB32);
QPainter p(city);
p.setOpacity(0.1);
p.drawImage(0,0,*canvas);
p.end();
// the proof:
QRgb pix = city->pixel(10,10);
qDebug() << "Alpha" << qAlpha(pix);

Upvotes: 3

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