/***************************************************************************
 *   Copyright (C) 2004 by Johan Maes - ON4QZ                              *
 *   on4qz@telenet.be                                                      *
 *   http://users.telenet.be/on4qz                                         *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#include "gbrmode.h"
#include "configdialog.h"
#include "dspfunctions.h"
#include "imageview.h"
#include "qsstvglobal.h"
#include <debugplot.h>


gbrMode::gbrMode(QObject *parent, const char *name)
 : modeBase(parent, name)
{
}

gbrMode::~gbrMode()
{
}



/*! \fn gbrMode::setupLine(int &subln,unsigned char **buf)
		\brief Decode a Martin mode sstv image
	
		\param subln every line to display is divided in a number of sublines
		\param buf pointer to the pixel array.
	 	\return next phase off the display
*/ 


embState gbrMode::setupLine(int &subln,unsigned char **buf)
{	
	double start=0;
	if(lineCounter!=0) start=lineTimeTable[lineCounter-1];
	switch(subln)
		{
			case 0:
				calcPixelPositionTable(GREENLINE,FALSE);
				*buf=greenArray;
//				debug("setup green samplecount=%d",sampleCounter);
				return PIXELS;
			case 1:
				debugPtr->state=stG1;
				marker=(unsigned int)round(start+bp+blank+visibleLineLength);
				return RXWAIT;
			case 2:
				calcPixelPositionTable(BLUELINE,FALSE);
				*buf=blueArray;
//				debug("setup blue samplecount=%d",sampleCounter);
				return PIXELS;
			case 3:
				debugPtr->state=stG2;
				marker=(unsigned int)round(start+bp+2*blank+2*visibleLineLength);
				return RXWAIT;
			case 4:
				calcPixelPositionTable(REDLINE,FALSE);
//				debug("setup red samplecount=%d",sampleCounter);
				*buf=redArray;
				return PIXELS;
			case 5:
//				if (lineCounter<activeSSTVParam.numberOfLines)
//					{
						debugPtr->state=stSync;
						syncPosition=(unsigned int) round(lineTimeTable[lineCounter]);
						return SYNC;
//					}
//				else return ENDOFIMAGE;
			break;
			default:
				return ENDOFLINE;
		}
}



void gbrMode::calcPixelPositionTable(unsigned int colorLine,bool tx)
{
	unsigned int i;
	int ofx=0;
	if(tx) ofx=1;
	double start=0;
	if(lineCounter!=0) start=lineTimeTable[lineCounter-1];
	debugPtr->state=colorLine;
	
	switch (colorLine)
		{
			case GREENLINE:
				start+=bp;
			break;
			case BLUELINE:
				start+=(bp+visibleLineLength+blank);
			break;
			case REDLINE:
				start+=(bp+2.*visibleLineLength+2.*blank);
			break;
		}
	for(i=0;i<activeSSTVParam.numberOfPixels;i++)
		{
			pixelPositionTable[i]=(unsigned int)round(start+(((float)(i+ofx)*visibleLineLength)/activeSSTVParam.numberOfPixels));
		}
}


embState gbrMode::txSetupLine(int &subln,unsigned char **buf)
{
//	debug("startImageTX");
	switch(subln)
		{
			case 0:
				calcPixelPositionTable(GREENLINE,TRUE);
				*buf=greenArray;
				return PIXELS;
			case 1:
				txFreq=1500.;
				txDur=blank;
				return TXGAP;
			case 2:
				calcPixelPositionTable(BLUELINE,TRUE);
				*buf=blueArray;
				return PIXELS;
			case 3:
				txFreq=1500.;
				txDur=blank;
				return TXGAP;
			case 4:
				calcPixelPositionTable(REDLINE,TRUE);
				*buf=redArray;
				return PIXELS;
			case 5:
				txFreq=1500;
				txDur=fp;
				return TXGAP;
			case 6:
				txFreq=1200;
				txDur=syncDuration;
				return TXGAP;

			default:
				return ENDOFLINE;
		}
}