im_invalidate(3) - Linux man page
Name
im_invalidate - flush caches related to an image
Synopsis
#include <vips/vips.h>
void im_invalidate( IMAGE *im )
Description
im_invalidate(3) marks all caches related to the image as invalid and requring
recalculation. It needs to be called if an image changes after being made: for example, after a paint action, or perhaps after a new frame has arrived from a
video source.
See Also
im_prepare(3), im_region_buffer(3).