QRect rectDrawText( 
		rectYWindow.topLeft().x(),
		-(int)rectYText.width()/2,
		rectYText.height(), 
		rectYText.width() );
	pCordinate.rotate(-90.0);
	double dy = ( rectYWindow.width() - rectDrawText.height() ) / 2;
	dy = dy > 0 ? dy : ( -dy );
	pCordinate.translate( 0, -dy );
	pCordinate.drawText( 
		rectDrawText.topLeft().x(), 
		rectDrawText.topLeft().y(), 
		rectDrawText.width(), 
		rectDrawText.height(),
		AlignCenter, stringYTitle );	pCordinate.restore();
	/*draw the calibration and calibration values of the x-axis*/	pCordinate.setPen( Qt::blue );	y0 = rectCordinate.bottomLeft().y();	for ( int i = 0; i <= numXTicks; i ++ )	{		pCordinate.drawLine( x0 , y0, x0, y0 + BASELINELENGHT );		if ( 0 == i % (2*STEP) )		{			pCordinate.save();
			pCordinate.setPen( QPen( blue, 1, DotLine) );
			pCordinate.drawLine( x0 , rectCordinate.bottomLeft().y(), 
								 x0 , rectCordinate.topLeft().y() );
			pCordinate.restore();		}		x0 += STEP;	}
	
	/*write the title of x-axis*/
/*	QRect rectXText(width()/2+FRAMEWIDTH-10*STEP, toNewRect.bottomLeft().y(),
					20*STEP, 10*STEP);
	pCordinate.drawText(rectXText.topLeft().x(), rectXText.topLeft().y(),
						rectXText.width(), rectXText.height(),
						AlignCenter, QObject::tr("Time (hh:mm:ss)") );
 */
	pCordinate.save();
/*	QRect tempXText(
		-(int)rectXText.width() / 2, -(int)rectXText.height() / 2,
		rectXText.width(), rectXText.height() );
	dx = rectXText.topLeft().x() + rectXText.width() / 2;
	dy = rectXText.topLeft().y() + rectXText.height() / 2;
	dx = dx > 0 ? dx : ( - dx );
	dy = dy > 0 ? dy : ( - dy );
	pCordinate.translate( dx, dy );
	pCordinate.drawText(tempXText.topLeft().x(), tempXText.topLeft().y(),
						tempXText.width(), tempXText.height(),
						AlignCenter, stringXTitle );
*/

	pCordinate.drawText(rectXText.topLeft().x(), rectXText.topLeft().y(),
						rectXText.width(), rectXText.height(),
						AlignCenter, stringXTitle );
	pCordinate.restore();
		  }	bitBlt( this, 0, 0, &newBuffer, 0, 0, newBuffer.width(), newBuffer.height() );	}
void Screen::animate( double y ){		newY = y;	if ( (int) Yval.size() <= (int) width() / 4 )	{		Yval.append( newY );	} else {		Yval.erase( Yval.begin() );		Yval.append( newY );	}		updateCurve( drawPainter);}void Screen::updateCurve( QPainter &pDrawCurve){
/*	QRect currentWindow = pDrawCurve.window();
	QPainter pSaveBuffer( &saveBuffer );
	QPainter pMidBuffer( &midBuffer );
	pSaveBuffer.setWindow( currentWindow );
	pMidBuffer.setWindow( currentWindow );
	QRect saveBWindow = pSaveBuffer.window();
	QRect midBWindow = pMidBuffer.window();
*/	copyBlt ( &saveBuffer, 0, 0,&newBuffer, 0, 0, newBuffer.width(), newBuffer.height() );	copyBlt ( &midBuffer, toNewRect.topLeft().x(), toNewRect.topLeft().y(),		      &saveBuffer, fromSaveRect.topLeft().x(), fromSaveRect.topLeft().y(), 
			  fromSaveRect.width(), fromSaveRect.height() );	copyBlt ( &newBuffer, rectCordinate.topLeft().x()+1, rectCordinate.topLeft().y()+1,			  &midBuffer, rectCordinate.topLeft().x()+1, rectCordinate.topLeft().y()+1, 
	//		  rectCordinate.width()-2, rectCordinate.height()-2+12*STEP );
			  rectCordinate.width()-2, fromSaveRect.height() );	/*	copyBlt( 
		&saveBuffer, saveBWindow.topLeft().x(), saveBWindow.topLeft().y(),
		&newBuffer, currentWindow.topLeft().x(), currentWindow.topLeft().y(),
		newBuffer.width(), newBuffer.height() );
	copyBlt( 
		&midBuffer, toNewRect.topLeft().x(), toNewRect.topLeft().y(),
		&saveBuffer, fromSaveRect.topLeft().x(), fromSaveRect.topLeft().y(), 
		fromSaveRect.width(), fromSaveRect.height() );
	copyBlt( 
		&newBuffer, rectCordinate.topLeft().x()+1, rectCordinate.topLeft().y()+1,
		&midBuffer, rectCordinate.topLeft().x()+1, rectCordinate.topLeft().y()+1, 
	//	rectCordinate.width()-2, rectCordinate.height()-2+12*STEP );
		rectCordinate.width()-2, fromSaveRect.height() );
*/	QValueVector<double>::iterator Yit = Yval.end();	double Ynew, Yold;	int Xnew, Xold;	Ynew = rectCordinate.bottomRight().y() - *(--Yit) - 1;	Xnew = rectCordinate.bottomRight().x() -1;	Yold = rectCordinate.bottomRight().y() - *(--Yit) - 1;	Xold = rectCordinate.bottomRight().x() - STEP;		//QPainter pDrawCurve( &newBuffer );		/*???????§????????????a?????????????o????????o???*/	pDrawCurve.setPen( Qt::blue );	pDrawCurve.drawLine( 
		toNewRect.bottomRight().x(), rectCordinate.bottomRight().y(),		rectCordinate.bottomRight().x(), rectCordinate.bottomRight().y() );	//draw x-axis	//static int numX = 0;	pDrawCurve.drawLine(		//draw the short calibration
		toNewRect.bottomRight().x(), rectCordinate.bottomRight().y(),		toNewRect.bottomRight().x(), rectCordinate.bottomRight().y() + BASELINELENGHT );
	
	/*draw the dotline in the horizontal direction*/
	int y0 = rectCordinate.bottomRight().y();
//	static bool drawDotLine = FALSE;
	pDrawCurve.save();
	if ( drawDotLine )
	{
		for (int j =0; j < (numYTicks /5 ) /* -1) */; j++)
		{
			y0 -= 5*STEP;
			pDrawCurve.setPen( QPen( blue, 1, DotLine) );
			pDrawCurve.drawLine( toNewRect.bottomRight().x() , y0, 
								 rectCordinate.bottomRight().x(), y0 );
		
		}

	}
	pDrawCurve.restore();
	drawDotLine = !drawDotLine;

	/*draw the calibration values of x-axis*/
	//static int numX = 0;	if ( 0 == numX % (2*STEP) )	{		/*è???????a???????o??????￥??????hh:mm:ss??￥è???€*/		int low = hour % 10;		int high = hour / 10;		QString timeString;			timeString += ( QString( "%1%2:").arg(high).arg(low) );		low = min % 10;		high = min / 10;		timeString += ( QString( "%1%2:").arg(high).arg(low) );		low = sec % 10;		high = sec / 10;		timeString += ( QString( "%1%2").arg(high).arg(low) );				/*draw the long calibration */		pDrawCurve.drawLine( 
			toNewRect.bottomRight().x(), 
			rectCordinate.bottomRight().y() + BASELINELENGHT,			toNewRect.bottomRight().x(), 
			rectCordinate.bottomRight().y() + 2 * BASELINELENGHT );

		/*draw the dotline in the vertical direction*/
		pDrawCurve.save();
		pDrawCurve.setPen( QPen( blue, 1, DotLine) );
		pDrawCurve.drawLine( 
			toNewRect.bottomRight().x(), 
			rectCordinate.bottomRight().y(), 
			toNewRect.topRight().x(),
			rectCordinate.topRight().y() );
		pDrawCurve.restore();	
		/*draw the calibration values of x-axis*/
		if ( 0 == numX % (4*STEP) )
		{
			pDrawCurve.drawLine( 
				toNewRect.bottomRight().x(), 
				rectCordinate.bottomRight().y() + 2*BASELINELENGHT,
				toNewRect.bottomRight().x(), 
				rectCordinate.bottomRight().y() + 3 * STEP );
			
			pDrawCurve.setPen( Qt::black );
/*			pDrawCurve.drawText( toNewRect.bottomRight().x() - 10 * STEP , 
								rectCordinate.bottomRight().y() + 3 * STEP, 55, 20,
								AlignRight | Qt::AlignHCenter, timeString );
*/
			QRect rectCValue(
				toNewRect.bottomRight().x() - 9 * STEP,
				toNewRect.bottomRight().y() - BASEFONTHEIGHT+2,
				10 * STEP, 
				BASEFONTHEIGHT);
			pDrawCurve.drawText( 
				rectCValue.topLeft().x(), 
				rectCValue.topLeft().y(), 
				rectCValue.width(), 
				rectCValue.height(),
				AlignRight | Qt::AlignHCenter, 
				timeString );
		}
		sec += 10;		if ( 60 == sec )		{			sec = 0;			min += 1;			if ( 60 == min )			{				min = 0;				hour += 1;				if ( 60 == hour )					hour = 0;			}		}			}	numX ++;	if ( numX >= 100 )		numX = 0;		/*???????????°é??é????°?????°?????2?o*/	pDrawCurve.setPen( Qt::black );	pDrawCurve.drawLine( Xold, (int)Yold, Xnew, (int)Ynew );	bitBlt( this, 0, 0, &newBuffer, 0, 0, newBuffer.width(), newBuffer.height() );	}