VipsImage *
im_open( const char *filename, const char *mode )
{
VipsImage *image;
/* Pass in a nonsense name for argv0 ... this init path is only here
* for old programs which are missing an vips_init() call. We need
* i18n set up before we can translate.
*/
if( vips_init( "giant_banana" ) )
vips_error_clear();
/* We have to go via the old VipsFormat system so we can support the
* "filename:option" syntax.
*/
if( strcmp( mode, "r" ) == 0 ||
strcmp( mode, "rd" ) == 0 ) {
if( !(image = vips__deprecated_open_read( filename )) )
return( NULL );
}
else if( strcmp( mode, "w" ) == 0 ) {
if( !(image = vips__deprecated_open_write( filename )) )
return( NULL );
}
else {
if( !(image = vips_image_new_mode( filename, mode )) )
return( NULL );
}
return( image );
}
int
main( int argc, char **argv )
{
GOptionContext *context;
GError *error = NULL;
int i;
if( vips_init( argv[0] ) )
vips_error_exit( "unable to start VIPS" );
textdomain( GETTEXT_PACKAGE );
setlocale( LC_ALL, "" );
context = g_option_context_new( _( "- thumbnail generator" ) );
g_option_context_add_main_entries( context, options, GETTEXT_PACKAGE );
g_option_context_add_group( context, vips_get_option_group() );
if( !g_option_context_parse( context, &argc, &argv, &error ) ) {
if( error ) {
fprintf( stderr, "%s\n", error->message );
g_error_free( error );
}
vips_error_exit( "try \"%s --help\"", g_get_prgname() );
}
g_option_context_free( context );
if( sscanf( thumbnail_size, "%d x %d",
&thumbnail_width, &thumbnail_height ) != 2 ) {
if( sscanf( thumbnail_size, "%d", &thumbnail_width ) != 1 )
vips_error_exit( "unable to parse size \"%s\" -- "
"use eg. 128 or 200x300", thumbnail_size );
thumbnail_height = thumbnail_width;
}
for( i = 1; i < argc; i++ ) {
/* Hang resources for processing this thumbnail off @process.
*/
VipsObject *process = VIPS_OBJECT( vips_image_new() );
if( thumbnail_process( process, argv[i] ) ) {
fprintf( stderr, "%s: unable to thumbnail %s\n",
argv[0], argv[i] );
fprintf( stderr, "%s", vips_error_buffer() );
vips_error_clear();
}
g_object_unref( process );
}
vips_shutdown();
return( 0 );
}
/* Call this before vips stuff that uses stuff we need to have inited.
*/
void
vips_check_init( void )
{
/* Pass in a nonsense name for argv0 ... this init path is only here
* for old programs which are missing an vips_init() call. We need
* i18n set up before we can translate.
*/
if( vips_init( "giant_banana" ) )
vips_error_clear();
}
/**
* gegl_init:
* @argc: a pointer to the number of command line arguments.
* @argv: a pointer to the array of command line arguments.
*
* Call this function before using any other GEGL functions. It will initialize
* everything needed to operate GEGL and parses some standard command line
* options. @argc and @argv are adjusted accordingly so your own code will
* never see those standard arguments.
*
* Note that there is an alternative ways to initialize GEGL: if you are
* calling g_option_context_parse() with the option group returned by
* gegl_get_option_group(), you don't have to call gegl_init().
**/
void
gegl_init (gint *argc,
gchar ***argv)
{
GOptionContext *context;
GError *error = NULL;
if (config)
return;
/* If any command-line actions are ever added to GEGL, then the commented
* out code below should be used. Until then, we simply call the parse hook
* directly.
*/
#if 0
gegl_post_parse_hook (NULL, NULL, NULL, NULL);
#else
context = g_option_context_new (NULL);
g_option_context_set_ignore_unknown_options (context, TRUE);
g_option_context_set_help_enabled (context, FALSE);
g_option_context_set_main_group (context, gegl_get_option_group ());
if (!g_option_context_parse (context, argc, argv, &error))
{
g_warning ("%s", error->message);
g_error_free (error);
}
g_option_context_free (context);
#endif
/* Not the best place for this ... better to put it in post_parse and just
* save argv[0] here.
*/
vips_init (*argv[0]);
}
