| /* im_dECMC_fromLab.c |
| * |
| * 5/8/98 JC |
| * - oops, wasn't testing input args correctly |
| * 30/10/09 |
| * - use im__colour_binary() |
| * - gtkdoc comment |
| */ |
| |
| /* |
| |
| 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 <vips/vips.h> |
| #include <vips/internal.h> |
| |
| #ifdef WITH_DMALLOC |
| #include <dmalloc.h> |
| #endif /*WITH_DMALLOC*/ |
| |
| /* Process a buffer. |
| */ |
| void |
| imb_dECMC_fromLab( float **p, float *q, int n ) |
| { |
| float *p1 = p[0]; |
| float *p2 = p[1]; |
| int x; |
| |
| for( x = 0; x < n; x++ ) { |
| float L1 = p1[0]; |
| float a1 = p1[1]; |
| float b1 = p1[2]; |
| float L2 = p2[0]; |
| float a2 = p2[1]; |
| float b2 = p2[2]; |
| |
| p1 += 3; |
| p2 += 3; |
| |
| q[x] = im_col_dECMC( L1, a1, b1, L2, a2, b2 ); |
| } |
| } |
| |
| /** |
| * im_dECMC_fromLab: |
| * @in1: first input image |
| * @in2: second input image |
| * @out: output image |
| * |
| * Calculate dE CMC from two Lab images. |
| * |
| * Returns: 0 on success, -1 on error. |
| */ |
| int |
| im_dECMC_fromLab( IMAGE *in1, IMAGE *in2, IMAGE *out ) |
| { |
| return( im__colour_difference( "im_dECMC_fromLab", |
| in1, in2, out, |
| (im_wrapmany_fn) imb_dECMC_fromLab, NULL, NULL ) ); |
| } |