loadPixmap returns true but does not display/show on-screen

[high_flyer]

From QPixmap doc:

Returns true if the pixmap was successfully loaded; otherwise returns false.

QPixmap qimg;
            if (qimg.load(filename)) //if this warning is NOT printed, it means the image is NOT loaded - you need to add '!' to the if statement.
                qWarning("Failed to load target image");

QPixmap qimg;
            if (qimg.load(filename)) //if this warning is NOT printed, it means the image is NOT loaded - you need to add '!' to the if statement.
                qWarning("Failed to load target image");

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you should also test against isNull(), to be on the safe side.