20 lines
607 B
Groff
20 lines
607 B
Groff
.TH IM_INVALIDATE 3 "5 December 2006"
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.SH NAME
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im_invalidate \- flush caches related to an image
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.SH SYNOPSIS
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.B #include <vips/vips.h>
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.B void im_invalidate( IMAGE *im )
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.SH DESCRIPTION
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.B im_invalidate(3)
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marks all caches related to the image as invalid and requring recalculation.
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It needs to be called if an image changes after being made: for example, after
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a paint action, or perhaps after a new frame has arrived from a video source.
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Any invalidate callbacks registered on any of the affected images are
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triggered.
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.SH SEE\ ALSO
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im_prepare(3), im_region_buffer(3), im_add_invalidate_callback(3).
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