| /* @(#) Generalised addition of two vasari images using the routines |
| * @(#) im_gaddim or im_gfadd |
| * @(#) Convention to ease the complilation time. |
| * @(#) Function im_gadd() assumes that the both input files |
| * @(#) are either memory mapped or in a buffer. |
| * @(#) Images must have the same no of bands and must not be complex |
| * @(#) No check for overflow is carried out. |
| * @(#) |
| * @(#) int im_gadd(a, in1, b, in2, c, out) |
| * @(#) IMAGE *in1, *in2, *out; |
| * @(#) double a, b, c; |
| * @(#) |
| * @(#) Returns 0 on success and -1 on error |
| * @(#) |
| * |
| * Copyright: 1990, N. Dessipris. |
| * |
| * Author: Nicos Dessipris |
| * Written on: 02/05/1990 |
| * Modified on: |
| */ |
| |
| /* |
| |
| 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 <assert.h> |
| |
| #include <vips/vips.h> |
| |
| #ifdef WITH_DMALLOC |
| #include <dmalloc.h> |
| #endif /*WITH_DMALLOC*/ |
| |
| extern int im_gfadd(); |
| extern int im_gaddim(); |
| |
| /* This function works on either mmaped files or on images in buffer |
| */ |
| |
| /** |
| * im_gadd: |
| * |
| * Deprecated. |
| */ |
| int im_gadd(a, in1, b, in2, c, out) |
| IMAGE *in1, *in2, *out; |
| double a, b, c; |
| { |
| int flagint = 0; |
| int flagfloat = 0; |
| int value = 0; |
| |
| switch(in1->BandFmt) { |
| case IM_BANDFMT_UCHAR: |
| case IM_BANDFMT_CHAR: |
| case IM_BANDFMT_USHORT: |
| case IM_BANDFMT_SHORT: |
| case IM_BANDFMT_UINT: |
| case IM_BANDFMT_INT: |
| flagint = 1; |
| break; |
| case IM_BANDFMT_FLOAT: |
| case IM_BANDFMT_DOUBLE: |
| flagfloat = 1; |
| break; |
| default: im_error("im_gadd","%s", _("Unable to accept image1")); |
| return(-1); |
| } |
| switch(in2->BandFmt) { |
| case IM_BANDFMT_UCHAR: |
| case IM_BANDFMT_CHAR: |
| case IM_BANDFMT_USHORT: |
| case IM_BANDFMT_SHORT: |
| case IM_BANDFMT_UINT: |
| case IM_BANDFMT_INT: |
| flagint = 1; |
| break; |
| case IM_BANDFMT_FLOAT: |
| case IM_BANDFMT_DOUBLE: |
| flagfloat = 1; |
| break; |
| default: im_error("im_gadd","%s", _("Unable to accept image1")); |
| return(-1); |
| } |
| /* Select output routines */ |
| if (flagfloat == 1) |
| { |
| value = im_gfadd(a, in1, b, in2, c, out); |
| if (value == -1) |
| return(-1); |
| } |
| else if (flagint == 1) |
| { |
| value = im_gaddim(a, in1, b, in2, c, out); |
| if (value == -1) |
| return(-1); |
| } |
| else |
| assert( 0 ); |
| |
| return(0); |
| } |