static int
vips_foreign_save_vips_build( VipsObject *object )
{
VipsForeignSave *save = (VipsForeignSave *) object;
VipsForeignSaveVips *vips = (VipsForeignSaveVips *) object;
if( VIPS_OBJECT_CLASS( vips_foreign_save_vips_parent_class )->
build( object ) )
return( -1 );
if( vips_image_write_to_file( save->ready, vips->filename ) )
return( -1 );
return( 0 );
}
/* Given (eg.) "/poop/somefile.png", write @im to the thumbnail name,
* (eg.) "/poop/tn_somefile.jpg".
*/
static int
thumbnail_write( VipsObject *process, VipsImage *im, const char *filename )
{
char *file;
char *p;
char buf[FILENAME_MAX];
char *output_name;
file = g_path_get_basename( filename );
/* Remove the suffix from the file portion.
*/
if( (p = strrchr( file, '.' )) )
*p = '\0';
/* Don't use vips_snprintf(), we only want to optionally substitute a
* single %s.
*/
vips_strncpy( buf, output_format, FILENAME_MAX );
vips__substitute( buf, FILENAME_MAX, file );
/* output_format can be an absolute path, in which case we discard the
* path from the incoming file.
*/
if( g_path_is_absolute( output_format ) )
output_name = g_strdup( buf );
else {
char *dir;
dir = g_path_get_dirname( filename );
output_name = g_build_filename( dir, buf, NULL );
g_free( dir );
}
vips_info( "vipsthumbnail",
"thumbnailing %s as %s", filename, output_name );
g_free( file );
if( vips_image_write_to_file( im, output_name, NULL ) ) {
g_free( output_name );
return( -1 );
}
g_free( output_name );
return( 0 );
}
int
main( int argc, char **argv )
{
VipsImage *global;
VipsImage **t;
if( VIPS_INIT( argv[0] ) )
return( -1 );
global = vips_image_new();
t = (VipsImage **) vips_object_local_array( VIPS_OBJECT( global ), 5 );
VipsInterpolate *interp = vips_interpolate_new( "bilinear" );
if( !(t[0] = vips_image_new_from_file( argv[1],
"access", VIPS_ACCESS_SEQUENTIAL,
NULL )) )
vips_error_exit( NULL );
t[1] = vips_image_new_matrixv( 3, 3,
-1.0, -1.0, -1.0,
-1.0, 16.0, -1.0,
-1.0, -1.0, -1.0 );
vips_image_set_double( t[1], "scale", 8 );
if( vips_extract_area( t[0], &t[2],
100, 100, t[0]->Xsize - 200, t[0]->Ysize - 200, NULL ) ||
vips_similarity( t[2], &t[3],
"scale", 0.9,
"interpolate", interp,
NULL ) ||
vips_conv( t[3], &t[4], t[1], NULL ) ||
vips_image_write_to_file( t[4], argv[2], NULL ) )
vips_error_exit( NULL );
g_object_unref( global );
g_object_unref( interp );
return( 0 );
}
