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im_piocheck
Langue: en
Version: 163410 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
im_pincheck, im_poutcheck, im_piocheck - checks image descriptors for PIOSYNOPSIS
#include <vips/vips.h>int im_pincheck( in )
IMAGE *in;
int im_poutcheck( out )
IMAGE *out;
int im_piocheck( in, out)
IMAGE *in, *out;
DESCRIPTION
im_pincheck(3) checks that an image descriptor is suitable for PIO input. If the descriptor is IM_OPENOUT and the descriptor has been written to, it is automatically `rewound,' that is, it is closed and reopened as an IM_MMAPIN descriptor.im_poutcheck(3) checks that a descriptor is suitable for PIO output.
im_piocheck(3) simply calls in_pincheck(3) for image in and im_poutcheck(3) for image out.
RETURN VALUE
All functions returns 0 on success and -1 on error.SEE ALSO
im_generate(3), im_open(3).COPYRIGHT
National GalleryAUTHOR
J. Cupitt - 23/7/93Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre