| /* im_rotquad |
| * |
| * Copyright: 1990, N. Dessipris. |
| * |
| * Author: Nicos Dessipris |
| * Written on: 12/04/1990 |
| * Modified on : 09/05/1991 |
| * Modified on : 09/06/1992, J.Cupitt. |
| * - now works for any type, any number of bands. |
| * - uses bcopy instead of a loop: mucho faster. |
| * now uses memcpy - for Sys5 compat K.Martinez 29/4/92 |
| * 5/8/93 JC |
| * - some ANSIfication |
| * 28/6/95 JC |
| * - some more modernisation |
| * 11/7/02 JC |
| * - redone in term of extract()/insert(), for great partialisation |
| * 14/4/04 |
| * - sets Xoffset / Yoffset |
| * 2/2/10 |
| * - redone in terms of im_wrap() |
| * - gtkdoc |
| */ |
| |
| /* |
| |
| This file is part of VIPS. |
| |
| VIPS is free software; you can redistribute it and/or modify |
| it under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| */ |
| |
| /* |
| |
| These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk |
| |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif /*HAVE_CONFIG_H*/ |
| #include <vips/intl.h> |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <vips/vips.h> |
| |
| #ifdef WITH_DMALLOC |
| #include <dmalloc.h> |
| #endif /*WITH_DMALLOC*/ |
| |
| /** |
| * im_rotquad: |
| * @in: input image |
| * @out: output image |
| * |
| * Rotate the quadrants of the image so that the point that was at the |
| * top-left is now in the centre. Handy for moving Fourier images to optical |
| * space. |
| * |
| * See also: im_wrap(). |
| * |
| * Returns: 0 on success, -1 on error |
| */ |
| int |
| im_rotquad( IMAGE *in, IMAGE *out ) |
| { |
| return( im_wrap( in, out, in->Xsize / 2, in->Ysize / 2 ) ); |
| } |
