/***************************************************************************
 *   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 "imageview.h"
#include <qpainter.h>
#include <qimage.h>
#define FW 5
#define FH 5

imageView::imageView(QWidget *parent, const char *name): QScrollView(parent, name)
{
		setMinimumSize( QSize( 320+FW, 256+FH ));
//		debug("imageview resize");
//		pixmap.resize(320,256);
//		image.create(320,256,32);
//		pixmap.resize(2,2);
		image.create(2,2,32);
		hasContent=FALSE;
		image.fill(QColor(Qt::darkGray).rgb());
//		pixmap.fill(QColor(Qt::darkGray));
		viewport()->setBackgroundMode( PaletteBase );
		setResizePolicy(QScrollView::Manual);
		
}


imageView::~imageView()
{
}

/*
void imageView::setPixmap( const QPixmap &pix )
{
    hasContent=TRUE;
		pixmap = pix;
    setNewSize( pixmap.size().width(), pixmap.size().height() );
}*/

void imageView::setNewSize(int w, int h)
{
	QPixmap pm;
	debug("setNewSize= %dx%d",w,h);
//	if((w+FW)>MAXWIDTH) wi=MAXSIZE-FW;
//	if((w+FW)>MAXWIDTH) wi=MAXSIZE-FW;
//	setFixedSize( QSize( w+FW, h+FH ));
	setMinimumSize( QSize( 320+FW, 256+FH ));
	setMaximumSize( QSize( w+FW, h+FH));
	pm.resize(w,h);
	image.create(w,h,32);
	QPainter p(&pm);
	p.drawTiledPixmap(QRect(0,0,w,h),QPixmap::fromMimeSource("transparency.png"));
	image=pm;
/*	if(!hasContent)
		{
			QPainter p(this);
			p.drawTiledPixmap(QRect(0,0,w,h),QPixmap::fromMimeSource("transparency.xpm"));
		}*/
	resizeContents( w,h) ;
  viewport()->repaint( FALSE );
	emit newSize(w,h);
}

void imageView::drawContents( QPainter *p, int x, int y, int w, int h)
{
//	if(hasContent)
		{
			p->drawImage(x,y,image,x,y,w,h);
		}
}

void imageView::drawFullContents()
{
	viewport()->repaint( FALSE );
}


void imageView::showLine()
{
//	QPainter p(&pixmap);
//	p.drawImage(0,line,image,0,line,image.width(),1);
	viewport()->repaint( FALSE );
}

unsigned int *imageView::getLineAddress(uint lineCounter)
{
	return (unsigned int *)image.scanLine(lineCounter);
}

/*
void imageView::showLine(int line,int nbrlines)
{
   QPainter p(&pixmap);
   p.drawImage(0,line,image,0,line,image.width(),nbrlines);
	viewport()->repaint( FALSE );
}*/

void imageView::clearToBottom(QColor color)
{
/*  QPainter paint;
  if(!pixmap.isNull())
  	{
  		paint.begin(&pixmap);
  			{
    			QRect r(0,startLine,pixmap.width(),pixmap.height());
#ifdef DEBUGPIXMAPVIEW
    			debug(" pxm %d, %d",pixmap.width(),pixmap.height());
#endif
    			paint.fillRect(r,color);
  			}
  		paint.end();
  		viewport()->repaint(FALSE);
  	} */
	image.fill(color.rgb());
}

void imageView::clearBackground()
{
	viewport()->setBackgroundPixmap(QPixmap::fromMimeSource("transparency.png"));
	if((image.width()!=0)&&(image.height()!=0))
		{
			QPixmap pm(image.width(),image.height());
			QPainter p(&pm);
			p.drawTiledPixmap(QRect(0,0,image.width(),image.height()),QPixmap::fromMimeSource("transparency.png"));
			image=pm;
			viewport()->repaint(FALSE);
		}
}

void imageView::showImage(QImage *ip)
{
	if(ip==NULL) return;
/*	if(pixmap.isNull())
		{
			debug("NULL pixmap");
		}
	QPainter p(&pixmap); */
	/*
	if((ip->width()==pixmap.width()) && (ip->height()==pixmap.height()))
		{
			image=ip->copy();
		}
	else
		{
			image=ip->smoothScale(pixmap.width(),pixmap.height());
		}
	p.drawImage(0,0,image);
	*/
	if((ip->width()==image.width()) && (ip->height()==image.height()))
		{
			image=ip->copy();
		}
	else
		{
			image=ip->smoothScale(image.width(),image.height());
		}
	
	viewport()->repaint(FALSE);
	
}