draw_overlay.h

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/* ***** BEGIN LICENSE BLOCK *****
*
* $Id: draw_overlay.h,v 1.6 2008/03/14 08:17:37 asuraparaju Exp $ $Name: Dirac_1_0_2 $
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* The Original Code is BBC Research and Development code.
*
* The Initial Developer of the Original Code is the British Broadcasting
* Corporation.
* Portions created by the Initial Developer are Copyright (C) 2004.
* All Rights Reserved.
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* Contributor(s): Chris Bowley (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
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#ifndef _BLOCK_OVERLAY_H_
#define _BLOCK_OVERLAY_H_
 
 
#include <libdirac_common/motion.h>
#include <libdirac_common/picture.h>
using dirac::Picture;
using dirac::PicArray;
using dirac::MvArray;
 
#include <util/instrumentation/libdirac_instrument/overlay_symbols.h>
 
namespace dirac_instr
{
#define NO_REF -1
 
    class DrawPictureMotionParams
    {
    public :
 
        DrawPictureMotionParams() {}
 
        ~DrawPictureMotionParams() {}
        int MvYBlockY() const {return m_mv_Y_block_y;}
        
        int MvYBlockX() const {return m_mv_Y_block_x;}
 
        int MvUVBlockY() const {return m_mv_UV_block_y;}
 
        int MvUVBlockX() const {return m_mv_UV_block_x;}
 
        int ChromaFactorY() const {return m_chroma_factor_y;}
        
        int ChromaFactorX() const {return m_chroma_factor_x;}
 
        int PicY() const {return m_pic_y;}
 
        int PicX() const {return m_pic_x;}
 
        void SetMvYBlockY(int y) {m_mv_Y_block_y=y;}
        
        void SetMvYBlockX(int x) {m_mv_Y_block_x=x;}
        
        void SetMvUVBlockY(int y) {m_mv_UV_block_y=y;}
        
        void SetMvUVBlockX(int x) {m_mv_UV_block_x=x;}
        
        void SetChromaFactorY(int y) {m_chroma_factor_y=y;}
        
        void SetChromaFactorX(int x) {m_chroma_factor_x=x;}
 
        void SetPicY(int y) {m_pic_y=y;}
 
        void SetPicX(int x) {m_pic_x=x;}
        
    private :
 
        int m_mv_Y_block_y, m_mv_Y_block_x;
        
        int m_mv_UV_block_y, m_mv_UV_block_x;
        
        int m_chroma_factor_y, m_chroma_factor_x;
 
        int m_pic_y, m_pic_x;
    };
 
    /*
        Base class for block overlay objects with pure
        virtual functions to define sub-class interface
    */
    class DrawOverlay
    {
    public :
        DrawOverlay(Picture &, DrawPictureMotionParams &);
        
        virtual ~DrawOverlay();
        
        virtual void DrawBlock(int, int)=0;
        
        virtual void DrawLegend()=0;
 
        //                                                        //
        //    Assumes default copy constructor and assignment =   //
        //                                                        //
 
        void DrawReferenceNumbers(int, int);
        
        void DrawReferenceNumber(int, int);
        
        void DrawPictureNumber(int);
        
        void DrawCharacter(const PicArray &, int, int);
 
        const OverlaySymbols & Symbols() const {return m_symbols;}
        
    protected :
 
 
        void GetPowerUV(int, int &, int &);
        
        void DrawPowerBar(int, int);
        
        void DrawValue(int, int, int);
        
        void DrawMvBlockUV(int, int, int, int);
        
        void DrawBlockUV(int, int, int, int);
        
        Picture & m_picture;
        
        DrawPictureMotionParams & m_draw_params;
        
        OverlaySymbols m_symbols;
        
    private :
 
    };
 
} // namespace dirac_instr
 
#endif