Hi all I'm constructing a display from a nested tree of objects, each of which contains two QPixmaps for visual effects stuff. The whole code works fine (as far as display content is concerned), but the performance is very erratic. One function that contains two consecutive drawPixmap calls on the same QPainter might take between 4 and 100 ms. I've read somewhere on the web about a maximum QPixmap storage (can't find where anymore). Is this what I'm running against? Is the operating system (Linux in my case) or the graphics driver doing something? I don't think it's my code, its just a single thread.
Any hints ? Thanks Bart van Deenen
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