switch to 5-point calibration to make it work on some newer Zaurii

this goes hand in hand with the integration of the RMK tslib calibration
algorithm into Qt/Embedded 2.3.x. Patch courtesy Richard Purdie.

1 files changed, 3 insertions, 3 deletions

diff --git a/core/apps/calibrate/calibrate.cpp b/core/apps/calibrate/calibrate.cpp
index 5f52bdc..53388f1 100644
--- a/core/apps/calibrate/calibrate.cpp
+++ b/core/apps/calibrate/calibrate.cpp
@@ -103,49 +103,49 @@ void Calibrate::reset()
 	location = QWSPointerCalibrationData::TopLeft;
 	crossPos = fromDevice( cd.screenPoints[ location ] );
 #endif
 }
 
 QPoint Calibrate::fromDevice( const QPoint &p )
 {
 #ifdef QWS
 	return qt_screen->mapFromDevice ( p, QSize( qt_screen->deviceWidth ( ), qt_screen->deviceHeight() ) );
 #else
         return QPoint();
 #endif
 
 }
 
 bool Calibrate::sanityCheck()
 {
 #ifdef QWS
 	QPoint tl = cd.devPoints[QWSPointerCalibrationData::TopLeft];
 	QPoint tr = cd.devPoints[QWSPointerCalibrationData::TopRight];
 	QPoint bl = cd.devPoints[QWSPointerCalibrationData::BottomLeft];
 	QPoint br = cd.devPoints[QWSPointerCalibrationData::BottomRight];
 
 	// not needed anywhere .. just calculate it, so it's there
-	cd.devPoints[QWSPointerCalibrationData::Center] = QRect( tl, br ).normalize().center();
+	//cd.devPoints[QWSPointerCalibrationData::Center] = QRect( tl, br ).normalize().center();
 
 	int dlx = QABS( bl. x ( ) - tl. x ( ));
 	int dly = QABS( bl. y ( ) - tl. y ( ));
 	int drx = QABS( br. x ( ) - tr. x ( ));
 	int dry = QABS( br. y ( ) - tr. y ( ));
 	int dtx = QABS( tr. x ( ) - tl. x ( ));
 	int dty = QABS( tr. y ( ) - tl. y ( ));
 	int dbx = QABS( br. x ( ) - bl. x ( ));
 	int dby = QABS( br. y ( ) - bl. y ( ));
 
 	int dl = (int) ::sqrt (( dlx * dlx ) + ( dly * dly )); // calculate vector lengths for all sides
 	int dr = (int) ::sqrt (( drx * drx ) + ( dry * dry ));
 	int dt = (int) ::sqrt (( dtx * dtx ) + ( dty * dty ));
 	int db = (int) ::sqrt (( dbx * dbx ) + ( dby * dby ));
 
 	// Calculate leeway for x/y (we do not care if diff1/diff2 is for x or y here !)
 	int diff1 = QABS( dl - dr );
 	int avg1  = ( dl + dr ) / 2;
 	int diff2 = QABS( dt - db );
 	int avg2 = ( dt + db ) / 2;
 
 	// Calculate leeway for "real" vector length against "manhattan" vector length
 	// This is a check, if the rect is rotated (other then 0/90/180/270)
 	// It needs to be performed only for the triange (bl, tl, tr)
@@ -154,97 +154,97 @@ bool Calibrate::sanityCheck()
 
 	if (( diff1 > ( avg1 / 20 )) || // 5% leeway
 	    ( diff2 > ( avg2 / 20 )) ||
 	    ( diff3 > ( avg3 / 20 )))
 		return false;
 	else
 		return true;
 #else
 return true;
 #endif
 }
 
 void Calibrate::moveCrosshair( QPoint pt )
 {
 	showCross = FALSE;
 	repaint( crossPos.x() - 14, crossPos.y() - 14, 28, 28 );
 	showCross = TRUE;
 	crossPos = pt;
 	repaint( crossPos.x() - 14, crossPos.y() - 14, 28, 28 );
 }
 
 void Calibrate::paintEvent( QPaintEvent * )
 {
 	QPainter p( this );
-	int y = height() / 3;
+	int y = height() / 2;
 
 	p.drawText( 0, y + height() / 8, width(), height() - y, AlignHCenter,
 	            tr( "Touch the crosshairs firmly and\n"
 	                "accurately to calibrate your screen." ) );
 
 	if ( !showCross ) return;
 
 #if 0
 	if ( crosshair.isNull() ) {
 #endif
 		p.setPen( QColor( 0, 0, 155 ) );
 		p.drawEllipse( crossPos.x()-8, crossPos.y()-8, 16, 16 );
 		p.setPen( QColor( 250, 220, 220 ) );
 		p.drawRoundRect( crossPos.x()-12, crossPos.y()-12, 24, 24, 75, 75 );
 		p.setPen( QColor( 0, 0, 120 ) );
 		p.drawRect( crossPos.x() - 1, crossPos.y() - 14, 2, 13 );
 		p.drawRect( crossPos.x() - 1, crossPos.y() + 1, 2, 13 );
 		p.drawRect( crossPos.x() - 14, crossPos.y() - 1, 13, 2 );
 		p.drawRect( crossPos.x() + 1, crossPos.y() - 1, 13, 2 );
 #if 0
 	}
 	else p.drawPixmap( crossPos.x(), crossPos.y(), crosshair );
 #endif
 }
 
 void Calibrate::mousePressEvent( QMouseEvent *e )
 {
 #ifdef QWS
 	// map to device coordinates
 	QPoint devPos = qt_screen->mapToDevice( e->pos(), QSize( qt_screen->width(), qt_screen->height() ) );
 	if ( penPos.isNull() )
 		penPos = devPos;
 	else
 		penPos = QPoint( ( penPos.x() + devPos.x() ) / 2,
 		                 ( penPos.y() + devPos.y() ) / 2 );
 #endif
 }
 
 void Calibrate::mouseReleaseEvent( QMouseEvent * )
 {
 #ifdef QWS
 	if ( timer->isActive() )
 		return ;
 
 	bool doMove = TRUE;
 
 	cd.devPoints[ location ] = penPos;
-	if ( location < QWSPointerCalibrationData::TopRight ) {
+	if ( location < QWSPointerCalibrationData::Center ) {
 		location = (QWSPointerCalibrationData::Location) ( int( location ) + 1 );
 	}
 	else {
 		if ( sanityCheck() ) {
 			reset();
 			goodcd = cd;
 			hide();
 			emit accept();
 			doMove = FALSE;
 		}
 		else {
 			location = QWSPointerCalibrationData::TopLeft;
 		}
 	}
 
 	if ( doMove ) {
 		QPoint target = fromDevice( cd.screenPoints[ location ] );
 		dx = ( target.x() - crossPos.x() ) / 10;
 		dy = ( target.y() - crossPos.y() ) / 10;
 		timer->start( 30 );
 	}
 #endif
 }