Qpixmap of 32 bit Depth

**augusbas** · 19th May 2011, 06:59

Dear all,

One of my third party library needs a Qpixmap which should be of ARGB(32) format to enable the transparency. By default in Linux Qpixmap is of 24 bit depth.

I have tried the below method for conversion and passed the Qpixmap, and still it shows as 24 bit depth....How do i create a pixmap of 32 bit depth in Qt.

Qt Code:

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QImage overlay_image(768,768,QImage::Format_ARGB32);
 
            bool loaded = overlay_image.load ("/aegea.png",  0 );
 
            QPixmap overlay_map;
 
            overlay_map= overlay_map.fromImage ( overlay_image,Qt::AutoColor );

QImage overlay_image(768,768,QImage::Format_ARGB32);

            bool loaded = overlay_image.load ("/aegea.png",  0 );

            QPixmap overlay_map;

            overlay_map= overlay_map.fromImage ( overlay_image,Qt::AutoColor );

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Please advice me..