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DirectFB Reference Manual
IDirectFBSurface.html
IDirectFBSurface
GetVisibleRectangle
Created sub surfaces might be clipped by their parents, this function returns the resulting rectangle relative to this surface.
GetVisibleRectangle (
IDirectFBSurface.html
IDirectFBSurface
*
thiz,
types.html#DFBRectangle
DFBRectangle
*
ret_rect
);
For non sub surfaces this function returns { 0, 0, width, height }.
