/***************************************************************************
                          dxr3colormanager.h  -  description
                             -------------------
    begin                : Tue Oct 22 2002
    copyright            : (C) 2002 by Stefan Schluenss
    email                : vdr@schluenss.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef _DXR3COLORMANAGER_H_
#define _DXR3COLORMANAGER_H_
/*
// ==================================
struct rectangular_area
{
	rectangular_area() : m_startrow(0), m_endrow(0), m_startcol(0), m_endcol(0)	{}

private:
	size_t	m_startrow;
	size_t	m_endrow;
	size_t	m_startcol;
	size_t	m_endcol;

	unsigned int Colors[4];
	unsigned int Opac[4];
}



*/



/**SPU-ColorManager
	*@author Stefan Schluenss
*/

#include <stdio.h>

#define OSD_SPU_CM_DUMP 0

#define MAX_NO_OF_SECTIONS	15
#define MAX_NO_OF_REGIONS	30


// ==================================
class xSection
{
public:
	xSection(int x);
    bool HasColor(unsigned int color, unsigned char &ColorIndex);
    unsigned char AddColor(unsigned int color);
    bool AllColorsUsed() {/*DIAG("AllColorsUsed: %d\n",NrOfColors)*/;if(NrOfColors >= 4) return(true); else return (false); };
	int X1;
	int X2;
    int NrOfColors;
	unsigned int Colors[4];
	unsigned int Opac[4];
};

// ==================================
class yRegion
{
public:
	yRegion(): 	Y1(0), Y2(0), N(0)	{}

  /** No descriptions */
  void AddSection(int first, int last, unsigned int color, unsigned int opac);
	int Y1;
	int Y2;
	int N;

	xSection* Section[MAX_NO_OF_SECTIONS];
};

// ==================================
class cColorManager
{
public:
	cColorManager();
	~cColorManager();

    void EncodeColors(int width, int height, unsigned char* smap, unsigned char* dmap);

    /** Sets a new color on the OSD	 */
    unsigned char AddColor(int x, int y, unsigned char color, unsigned char &ColorIndex);

    /** encodes the color information as highlight spu data*/
  	unsigned char* GetSpuData(int &len);

	/** Adds a new highlight region beginning from FIRST to LAST column */
//	void AddRegion(int first, int last, unsigned int color, unsigned int opac=0xFFFF);

	/** No descriptions */
  void SetBgColor(unsigned int bgColor);

private: // Private attributes
	yRegion *hlr[MAX_NO_OF_REGIONS];
	int 	NrOfRegions;
	bool isopen;
	unsigned char spudata[2*4096];
	unsigned int BgCol;
	int MaxY;

	/** Opens a new highlight region */
  	void OpenRegion(int y, int NrOfSecToCopy = 0);
	/** Closes the spu-highlight region */
	void CloseRegion(int y);
	
    xSection* NewSection(int x);
    xSection *GetSection(int x, int &n);
};

#endif /*_DXR3COLORMANAGER_H_*/

// Local variables:
// mode: c++
// c-file-style: "stroustrup"
// c-file-offsets: ((inline-open . 0))
// indent-tabs-mode: t
// End: