# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

# draw_overlay.h

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    00001 /* ***** BEGIN LICENSE BLOCK *****
    00002 *
    00003 * $Id: draw_overlay.h,v 1.4 2004/11/22 13:42:33 asuraparaju Exp $ $Name: Dirac_0_7_0 $
    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 _BLOCK_OVERLAY_H_
    00039 #define _BLOCK_OVERLAY_H_
    00040
    00041
    00042 #include <libdirac_common/motion.h>
    00043 #include <libdirac_common/frame.h>
    00044 using dirac::Frame;
    00045 using dirac::PicArray;
    00046 using dirac::MvArray;
    00047
    00048 #include <util/instrumentation/libdirac_instrument/overlay_symbols.h>
    00049
    00050 namespace dirac_instr
    00051 {
    00052 #define NO_REF -1
    00053
    00055     class DrawFrameMotionParams
    00056     {
    00057     public :
    00058
    00060         DrawFrameMotionParams() {}
    00061
    00063         ~DrawFrameMotionParams() {}
    00066         const int MvYBlockY() const {return m_mv_Y_block_y;}
    00067
    00069         const int MvYBlockX() const {return m_mv_Y_block_x;}
    00070
    00072         const int MvUVBlockY() const {return m_mv_UV_block_y;}
    00073
    00075         const int MvUVBlockX() const {return m_mv_UV_block_x;}
    00076
    00078         const int ChromaFactorY() const {return m_chroma_factor_y;}
    00079
    00081         const int ChromaFactorX() const {return m_chroma_factor_x;}
    00082
    00084         const int PicY() const {return m_pic_y;}
    00085
    00087         const int PicX() const {return m_pic_x;}
    00088
    00091         void SetMvYBlockY(int y) {m_mv_Y_block_y=y;}
    00092
    00094         void SetMvYBlockX(int x) {m_mv_Y_block_x=x;}
    00095
    00097         void SetMvUVBlockY(int y) {m_mv_UV_block_y=y;}
    00098
    00100         void SetMvUVBlockX(int x) {m_mv_UV_block_x=x;}
    00101
    00103         void SetChromaFactorY(int y) {m_chroma_factor_y=y;}
    00104
    00106         void SetChromaFactorX(int x) {m_chroma_factor_x=x;}
    00107
    00109         void SetPicY(int y) {m_pic_y=y;}
    00110
    00112         void SetPicX(int x) {m_pic_x=x;}
    00113
    00114     private :
    00115
    00117         int m_mv_Y_block_y, m_mv_Y_block_x;
    00118
    00120         int m_mv_UV_block_y, m_mv_UV_block_x;
    00121
    00123         int m_chroma_factor_y, m_chroma_factor_x;
    00124
    00126         int m_pic_y, m_pic_x;
    00127     };
    00128
    00130     /*
    00131         Base class for block overlay objects with pure
    00132         virtual functions to define sub-class interface
    00133     */
    00134     class DrawOverlay
    00135     {
    00136     public :
    00138         DrawOverlay(Frame &, DrawFrameMotionParams &);
    00139
    00141         virtual ~DrawOverlay();
    00142
    00144         virtual void DrawBlock(int, int)=0;
    00145
    00147         virtual void DrawLegend()=0;
    00148
    00150         //                                                        //
    00151         //    Assumes default copy constructor and assignment =   //
    00152         //                                                        //
    00154
    00156         void DrawReferenceNumbers(int, int);
    00157
    00159         void DrawReferenceNumber(int, int);
    00160
    00162         void DrawFrameNumber(int);
    00163
    00165         void DrawCharacter(const PicArray &, int, int);
    00166
    00168         const OverlaySymbols & Symbols() const {return m_symbols;}
    00169
    00170     protected :
    00171
    00172
    00174         void GetPowerUV(int, int &, int &);
    00175
    00177         void DrawPowerBar(int, int);
    00178
    00180         void DrawValue(int, int, int);
    00181
    00183         void DrawMvBlockUV(int, int, int, int);
    00184
    00186         void DrawBlockUV(int, int, int, int);
    00187
    00189         Frame & m_frame;
    00190
    00192         DrawFrameMotionParams & m_draw_params;
    00193
    00195         OverlaySymbols m_symbols;
    00196
    00197     private :
    00198
    00199     };
    00200
    00201 } // namespace dirac_instr
    00202
    00203 #endif

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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