Efficient Painting

[otristan]

You can optimise this using the
juce::Rectangle<int> visibleRect = g.getClipBounds().getIntersection(getLocalBounds());
in the paint function

Drawing just a position needle [solved]

I’ve done it. Wow just drawing with drawImageAt is just as slow!! I am testing on a 4k screen, but still, who hasn’t got one of those? *edit I see drawImageAt still calls the AffineMatrix internally.