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Suppose i have an XID of a window. How can i wrap QPainter to draw on this window? I need something like cairo_xlib_surface_create(), but Qt-based.
Not sure about X Windows, but you can paint on X Pixmaps using QPixmap::fromX11Pixmap(id, QPixmap::ExplicitlyShared) and painting on it.
Not sure about X Windows, but you can paint on X Pixmaps using QPixmap::fromX11Pixmap(id, QPixmap::ExplicitlyShared) and painting on it. Will drawing on it update pixmap on X server side, or will this be a new QPixmap (a copy) when i draw on it?
Ah, understood. Didn't notice QPixmap::ExplicitlyShared first. Thanks and sorry for previous message :).
