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authorEdward Welbourne <edward.welbourne@qt.io>2021-09-08 09:32:26 +0200
committerEdward Welbourne <edward.welbourne@qt.io>2021-09-10 17:15:40 +0200
commit72338c12bc98ac1ad139436bedd422d61dd68291 (patch)
tree022f7cd0f0722c10a3a089a01c38ede4815ff4c3 /src/plugins/platforms/ios/quiview.mm
parentc942bae4ebf903a60a8bd3da9500f7733c71b04d (diff)
Use qmath.h's conversions between degrees and radians
The make the semantics overt and avoid the joys of yet another approximation to pi/180 hard-coded in our source-code. Change-Id: I9dcbaada2e7de119e385fc7056bc601ecd59311a Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Diffstat (limited to 'src/plugins/platforms/ios/quiview.mm')
-rw-r--r--src/plugins/platforms/ios/quiview.mm7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/plugins/platforms/ios/quiview.mm b/src/plugins/platforms/ios/quiview.mm
index c7f94cc707..ef6c9f49ad 100644
--- a/src/plugins/platforms/ios/quiview.mm
+++ b/src/plugins/platforms/ios/quiview.mm
@@ -1,6 +1,6 @@
/****************************************************************************
**
-** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
@@ -50,6 +50,7 @@
#include "qiosmenu.h"
#endif
+#include <QtCore/qmath.h>
#include <QtGui/qpointingdevice.h>
#include <QtGui/private/qguiapplication_p.h>
#include <QtGui/private/qwindow_p.h>
@@ -388,10 +389,10 @@ Q_LOGGING_CATEGORY(lcQpaTablet, "qt.qpa.input.tablet")
// azimuth unit vector: +x to the right, +y going downwards
CGVector azimuth = [cTouch azimuthUnitVectorInView: self];
// azimuthAngle given in radians, zero when the stylus points towards +x axis; converted to degrees with 0 pointing straight up
- qreal azimuthAngle = [cTouch azimuthAngleInView: self] * 180 / M_PI + 90;
+ qreal azimuthAngle = qRadiansToDegrees([cTouch azimuthAngleInView: self]) + 90;
// altitudeAngle given in radians, pi / 2 is with the stylus perpendicular to the iPad, smaller values mean more tilted, but never negative.
// Convert to degrees with zero being perpendicular.
- qreal altitudeAngle = 90 - cTouch.altitudeAngle * 180 / M_PI;
+ qreal altitudeAngle = 90 - qRadiansToDegrees(cTouch.altitudeAngle);
qCDebug(lcQpaTablet) << i << ":" << timeStamp << localViewPosition << pressure << state << "azimuth" << azimuth.dx << azimuth.dy
<< "angle" << azimuthAngle << "altitude" << cTouch.altitudeAngle
<< "xTilt" << qBound(-60.0, altitudeAngle * azimuth.dx, 60.0) << "yTilt" << qBound(-60.0, altitudeAngle * azimuth.dy, 60.0);