| /* im_mask2vips |
| * |
| * Author: J.Cupitt |
| * Written on: 6/6/94 |
| * Modified on: |
| * 7/10/94 JC |
| * - new IM_ARRAY() |
| * 1/2/10 |
| * - 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 <vips/vips.h> |
| |
| #ifdef WITH_DMALLOC |
| #include <dmalloc.h> |
| #endif /*WITH_DMALLOC*/ |
| |
| /** |
| * im_mask2vips: |
| * @in: input mask |
| * @out output image |
| * |
| * Write a one-band, %IM_BANDFMT_DOUBLE image to @out based on mask @in. |
| * |
| * See also: im_vips2mask(). |
| * |
| * Returns: 0 on success, -1 on error |
| */ |
| int |
| im_mask2vips( DOUBLEMASK *in, IMAGE *out ) |
| { |
| int x, y; |
| double *buf, *p, *q; |
| |
| /* Check the mask. |
| */ |
| if( !in || !in->coeff ) { |
| im_error( "im_mask2vips", "%s", _( "bad input mask" ) ); |
| return( -1 ); |
| } |
| |
| /* Make the output image. |
| */ |
| im_initdesc( out, in->xsize, in->ysize, 1, |
| IM_BBITS_DOUBLE, IM_BANDFMT_DOUBLE, |
| IM_CODING_NONE, |
| IM_TYPE_B_W, |
| 1.0, 1.0, |
| 0, 0 ); |
| if( im_setupout( out ) ) |
| return( -1 ); |
| |
| /* Make an output buffer. |
| */ |
| if( !(buf = IM_ARRAY( out, in->xsize, double )) ) |
| return( -1 ); |
| |
| /* Write! |
| */ |
| for( p = in->coeff, y = 0; y < out->Ysize; y++ ) { |
| q = buf; |
| |
| for( x = 0; x < out->Xsize; x++ ) |
| *q++ = *p++; |
| |
| if( im_writeline( y, out, (void *) buf ) ) |
| return( -1 ); |
| } |
| |
| return( 0 ); |
| } |
| |