| /* @(#) Extract a tile from a pyramid as a jpeg |
| * @(#) |
| * @(#) int |
| * @(#) im_bernd( const char *tiffname, |
| * @(#) int x, int y, int w, int h ) |
| * @(#) |
| * @(#) |
| * @(#) Returns 0 on success and -1 on error |
| * @(#) |
| * |
| * 7/5/99 JC |
| * - from im_tiff2vips and im_vips2jpeg, plus some stuff from Steve |
| * 11/7/01 JC |
| * - page number now in filename |
| * 12/5/09 |
| * - fix signed/unsigned warning |
| */ |
| |
| /* |
| |
| 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*/ |
| |
| static int |
| extract( IMAGE *in, int x, int y, int w, int h ) |
| { |
| IMAGE *t1; |
| int len; |
| char *buf; |
| |
| if( !(t1 = im_open_local( in, "im_bernd:2", "p" )) || |
| im_extract_area( in, t1, x, y, w, h ) || |
| im_vips2bufjpeg( t1, in, 75, &buf, &len ) ) |
| return( -1 ); |
| |
| if( fwrite( buf, sizeof( char ), len, stdout ) != (size_t) len ) { |
| im_error( "im_bernd", "%s", _( "error writing output" ) ); |
| return( -1 ); |
| } |
| fflush( stdout ); |
| |
| return( 0 ); |
| } |
| |
| int |
| im_bernd( const char *tiffname, int x, int y, int w, int h ) |
| { |
| IMAGE *in; |
| |
| if( !(in = im_open( "im_bernd:1", "p" )) ) |
| return( -1 ); |
| if( im_tiff2vips( tiffname, in ) || |
| extract( in, x, y, w, h ) ) { |
| im_close( in ); |
| return( -1 ); |
| } |
| im_close( in ); |
| |
| return( 0 ); |
| } |
