diff options
Diffstat (limited to 'examples/widgets/effects/blurpicker/blurpicker.cpp')
-rw-r--r-- | examples/widgets/effects/blurpicker/blurpicker.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/examples/widgets/effects/blurpicker/blurpicker.cpp b/examples/widgets/effects/blurpicker/blurpicker.cpp index 43823bed30..a00af2144a 100644 --- a/examples/widgets/effects/blurpicker/blurpicker.cpp +++ b/examples/widgets/effects/blurpicker/blurpicker.cpp @@ -52,13 +52,9 @@ #include <QtWidgets> #include <QtCore/qmath.h> - +#include <qmath.h> #include "blureffect.h" -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - BlurPicker::BlurPicker(QWidget *parent): QGraphicsView(parent), m_index(0.0), m_animation(this, "index") { setBackgroundBrush(QPixmap(":/images/background.jpg")); @@ -84,9 +80,10 @@ void BlurPicker::setIndex(qreal index) m_index = index; qreal baseline = 0; + const qreal iconAngle = 2 * M_PI / m_icons.count(); for (int i = 0; i < m_icons.count(); ++i) { QGraphicsItem *icon = m_icons[i]; - qreal a = ((i + m_index) * 2 * M_PI) / m_icons.count(); + qreal a = (i + m_index) * iconAngle; qreal xs = 170 * qSin(a); qreal ys = 100 * qCos(a); QPointF pos(xs, ys); |