// Abort processing of a JPEG compression or decompression operation,
// but don't destroy the object itself.
public static void jpeg_abort(jpeg_common cinfo)
{
// Reset overall state for possible reuse of object
if (cinfo.is_decompressor)
{
cinfo.global_state = STATE.DSTART;
// Try to keep application from accessing now-deleted marker list.
// A bit kludgy to do it here, but this is the most central place.
((jpeg_decompress)cinfo).marker_list = null;
}
else
{
cinfo.global_state = STATE.CSTART;
}
}
public static JHUFF_TBL jpeg_alloc_huff_table(jpeg_common cinfo)
{
JHUFF_TBL tbl = null;
try
{
tbl = new JHUFF_TBL();
tbl.sent_table = false; // make sure this is false in any new table
}
catch
{
ERREXIT1(cinfo, J_MESSAGE_CODE.JERR_OUT_OF_MEMORY, 4);
}
return(tbl);
}
// Destruction of a JPEG object.
//
// Everything gets deallocated except the master jpeg_compress_struct itself
// and the error manager struct. Both of these are supplied by the application
// and must be freed, if necessary, by the application. (Often they are on
// the stack and so don't need to be freed anyway.)
// Closing a data source or destination, if necessary, is the application's
// responsibility.
public static void jpeg_destroy(jpeg_common cinfo)
{
cinfo.global_state = STATE.None; // mark it destroyed
}
