gint gv_view_area_print_to_file(GvViewArea *view, int width, int height, const char * filename, const char * format, int is_rgb)
{
GDALDriverH driver;
GDALDatasetH dataset;
gint errcode;
driver = GDALGetDriverByName( format );
if( driver == NULL )
return -1;
if( is_rgb )
dataset = GDALCreate( driver, filename, width, height, 3, GDT_Byte,
NULL );
else
dataset = GDALCreate( driver, filename, width, height, 1, GDT_Byte,
NULL );
if( dataset == NULL )
return -1;
errcode = gv_view_area_render_to_func( view, width, height,
print_handler, dataset );
GDALClose( dataset );
print_handler( NULL, NULL );
return errcode;
}
static int output_handler(const char *str)
{
return print_handler(str, str_len(str), NULL);
}
