/***************************************************************************
 *   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 "zoomwindow.h"
#include <qapplication.h>
#include <qpushbutton.h>
#include <qlayout.h>
#include <qwmatrix.h>
#include <qimage.h>
#include "qsstvglobal.h"
#include "imageview.h"
#include <qslider.h>
#include <qmessagebox.h>
#include <qsettings.h>

zoomWindow::zoomWindow(QWidget* parent,	const char* name): zoomForm( parent, name, TRUE)
{
	
}


zoomWindow::~zoomWindow()
{
	originalImage.reset(); //free storage
}

void zoomWindow::zoom(QImage *ipm)
{
	readSettings();
  originalImage=ipm->copy();
	slotSliderMoved(zoomScale);
}


void zoomWindow::readSettings()
{
	QSettings qSettings(QSettings::Ini);
	qSettings.beginGroup(APP_KEY+"/ZOOM/");
	int windowWidth = qSettings.readNumEntry("zoomWindowWidth", 460 );
	int windowHeight = qSettings.readNumEntry("zoomWindowHeight", 530 );
	int windowX = qSettings.readNumEntry( "zoomWindowX", -1 );
	int windowY = qSettings.readNumEntry( "zoomWindowY", -1 );
	resize( windowWidth, windowHeight );
	if ( windowX != -1 || windowY != -1 ) 	move( windowX, windowY );
	zoomScale=qSettings.readNumEntry("zoomScale", 3 );
	qSettings.endGroup();
	slotSetParams();
}

void zoomWindow::writeSettings()
{
	QSettings qSettings(QSettings::Ini);
	qSettings.beginGroup(APP_KEY+"/RX/");
	qSettings.writeEntry( "zoomWindowWidth", width() );
	qSettings.writeEntry( "zoomWindowHeight", height() );
  qSettings.writeEntry( "zoomWindowX", x() );
  qSettings.writeEntry( "zoomWindowY", y() );
	qSettings.writeEntry("zoomScale",zoomScale);
	qSettings.endGroup();
}


void zoomWindow::slotSetParams()
{
	zoomSlider->setValue(zoomScale);
	
}


void zoomWindow::slotSliderMoved(int v)
{
	int w,h;
	w=originalImage.width();
	h=originalImage.height();
	zoomScale=v;
	switch(v)
		{
			case 0: w/=4; h/=4; break;
			case 1: w/=3; h/=3; break;
			case 2: w/=2; h/=2; break;
			case 3:  break;
			case 4: w*=2; h*=2; break;
			case 5: w*=3; h*=3; break;
			case 6: w*=4; h*=4; break;
			default: break;
		}
	zoomFrame->setNewSize(w,h);
	zoomFrame->showImage(&originalImage);
}

void zoomWindow::slotClose()
{
	close();
}

void zoomWindow::closeEvent(QCloseEvent *e)
{
	writeSettings();
	e->accept();
}