Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: motion_arrows.h,v 1.3 2004/11/22 13:42:33 asuraparaju Exp $ $Name: Dirac_0_5_2 $ 00004 * 00005 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 00006 * 00007 * The contents of this file are subject to the Mozilla Public License 00008 * Version 1.1 (the "License"); you may not use this file except in compliance 00009 * with the License. You may obtain a copy of the License at 00010 * http://www.mozilla.org/MPL/ 00011 * 00012 * Software distributed under the License is distributed on an "AS IS" basis, 00013 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for 00014 * the specific language governing rights and limitations under the License. 00015 * 00016 * The Original Code is BBC Research and Development code. 00017 * 00018 * The Initial Developer of the Original Code is the British Broadcasting 00019 * Corporation. 00020 * Portions created by the Initial Developer are Copyright (C) 2004. 00021 * All Rights Reserved. 00022 * 00023 * Contributor(s): Chris Bowley (Original Author) 00024 * 00025 * Alternatively, the contents of this file may be used under the terms of 00026 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00027 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00028 * the GPL or the LGPL are applicable instead of those above. If you wish to 00029 * allow use of your version of this file only under the terms of the either 00030 * the GPL or LGPL and not to allow others to use your version of this file 00031 * under the MPL, indicate your decision by deleting the provisions above 00032 * and replace them with the notice and other provisions required by the GPL 00033 * or LGPL. If you do not delete the provisions above, a recipient may use 00034 * your version of this file under the terms of any one of the MPL, the GPL 00035 * or the LGPL. 00036 * ***** END LICENSE BLOCK ***** */ 00037 00038 #ifndef _MOTION_ARROWS_H_ 00039 #define _MOTION_ARROWS_H_ 00040 00041 #include <util/instrumentation/libdirac_instrument/draw_overlay.h> 00042 namespace dirac_instr 00043 { 00044 00046 /* 00047 Sub-class of DrawOverlay. 00048 16 x 16 pixel arrows used to represent motion vectors 00049 Each arrow may represent a number of motion vectors, in which case 00050 their mean is used 00051 */ 00052 class DrawMotionArrows : public DrawOverlay 00053 { 00054 public : 00056 /* 00057 Calls DrawOverlay constructor 00058 */ 00059 DrawMotionArrows(Frame &, DrawFrameMotionParams &, const MvArray &, int); 00060 00062 ~DrawMotionArrows(); 00063 00065 // // 00066 // Assumes default copy constructor and assignment = // 00067 // // 00069 00071 void DrawBlock(int, int); 00072 00074 /* 00075 Base class function required to be overridden 00076 */ 00077 void DrawLegend(); 00078 00079 protected : 00081 void DrawArrow(int, int, int, int); 00082 00084 int m_mv_scale; 00085 00087 int m_blocks_per_arrow_y, m_blocks_per_arrow_x; 00088 00090 const MvArray & m_mv; 00091 }; 00092 00093 } // namespace dirac_instr 00094 00095 #endif
© 2004 British Broadcasting Corporation.
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