1 /* === S Y N F I G ========================================================= */
2 /*! \file target_null.h
3 ** \brief Template Header
5 ** $Id: target_null.h,v 1.1.1.1 2005/01/04 01:23:15 darco Exp $
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === S T A R T =========================================================== */
25 #ifndef __SYNFIG_TARGET_NULL_H
26 #define __SYNFIG_TARGET_NULL_H
28 /* === H E A D E R S ======================================================= */
30 #include "target_scanline.h"
33 /* === M A C R O S ========================================================= */
35 /* === T Y P E D E F S ===================================================== */
37 /* === C L A S S E S & S T R U C T S ======================================= */
41 /*! \class Target_Null
42 ** \brief A target which renders to nothing. Useful for benchmarks and other tests.
45 class Target_Null : public Target_Scanline
49 Target_Null():buffer(0) { }
53 ~Target_Null() { delete buffer; }
55 virtual bool start_frame(ProgressCallback *cb=NULL)
56 { delete buffer; buffer=new Color[desc.get_w()*sizeof(Color)]; return true; }
58 virtual void end_frame() { delete buffer; buffer=0; return; }
60 virtual Color * start_scanline(int scanline) { return buffer; }
62 virtual bool end_scanline() { return true; }
64 static Target* create(const char *filename=0) { return new Target_Null(); }
65 }; // END of class Target_Null
67 }; // END of namespace synfig
69 /* === E N D =============================================================== */