| -rw-r--r-- | core/apps/calibrate/calibrate.cpp | 52 |
1 files changed, 42 insertions, 10 deletions
diff --git a/core/apps/calibrate/calibrate.cpp b/core/apps/calibrate/calibrate.cpp index 54fa8ec..1f4fb1b 100644 --- a/core/apps/calibrate/calibrate.cpp +++ b/core/apps/calibrate/calibrate.cpp @@ -94,20 +94,52 @@ QPoint Calibrate::fromDevice( const QPoint &p ) { return qt_screen->mapFromDevice ( p, QSize( qt_screen->deviceWidth ( ), qt_screen->deviceHeight() ) ); } bool Calibrate::sanityCheck() { - QRect r ( cd.devPoints[ QWSPointerCalibrationData::TopLeft ], cd.devPoints[ QWSPointerCalibrationData::BottomRight ] ); - r = r. normalize ( ); // This should also handle rotated TS controllers - - cd. devPoints [QWSPointerCalibrationData::TopRight] = r. topRight ( ); - cd. devPoints [QWSPointerCalibrationData::BottomLeft] = r. bottomLeft ( ); - cd. devPoints [QWSPointerCalibrationData::Center] = r. center ( ); - - return true; + 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 ( ); + + 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) + int diff3 = QABS(( dlx + dly + dtx + dty ) - ( dl + dt )); + int avg3 = (( dlx + dly + dtx + dty ) + ( dl + dt )) / 2; + + if (( diff1 > ( avg1 / 20 )) || // 5% leeway + ( diff2 > ( avg2 / 20 )) || + ( diff3 > ( avg3 / 20 ))) + return false; + else + return true; } void Calibrate::moveCrosshair( QPoint pt ) { showCross = FALSE; repaint( crossPos.x() - 8, crossPos.y() - 8, 16, 16 ); @@ -163,14 +195,14 @@ void Calibrate::mouseReleaseEvent( QMouseEvent * ) if ( timer->isActive() ) return ; bool doMove = TRUE; cd.devPoints[ location ] = penPos; - if ( location == QWSPointerCalibrationData::TopLeft ) { - location = QWSPointerCalibrationData::BottomRight; + if ( location < QWSPointerCalibrationData::TopRight ) { + location = (QWSPointerCalibrationData::Location) ( int( location ) + 1 ); } else { if ( sanityCheck() ) { reset(); goodcd = cd; hide(); |