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-rw-r--r--examples/widgets/effects/blurpicker/blurpicker.cpp5
-rw-r--r--examples/widgets/effects/lighting/lighting.cpp7
2 files changed, 7 insertions, 5 deletions
diff --git a/examples/widgets/effects/blurpicker/blurpicker.cpp b/examples/widgets/effects/blurpicker/blurpicker.cpp
index f354a15c53..b5ac7950bd 100644
--- a/examples/widgets/effects/blurpicker/blurpicker.cpp
+++ b/examples/widgets/effects/blurpicker/blurpicker.cpp
@@ -41,6 +41,7 @@
#include "blurpicker.h"
#include <QtWidgets>
+#include <QtCore/qmath.h>
#include "blureffect.h"
@@ -76,8 +77,8 @@ void BlurPicker::setIndex(qreal index)
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 xs = 170 * sin(a);
- qreal ys = 100 * cos(a);
+ qreal xs = 170 * qSin(a);
+ qreal ys = 100 * qCos(a);
QPointF pos(xs, ys);
pos = QTransform().rotate(-20).map(pos);
pos -= QPointF(40, 40);
diff --git a/examples/widgets/effects/lighting/lighting.cpp b/examples/widgets/effects/lighting/lighting.cpp
index 1bf18160b4..67bcb8147b 100644
--- a/examples/widgets/effects/lighting/lighting.cpp
+++ b/examples/widgets/effects/lighting/lighting.cpp
@@ -41,6 +41,7 @@
#include "lighting.h"
#include <QtWidgets>
+#include <QtCore/qmath.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
@@ -110,8 +111,8 @@ void Lighting::setupScene()
void Lighting::animate()
{
angle += (M_PI / 30);
- qreal xs = 200 * sin(angle) - 40 + 25;
- qreal ys = 200 * cos(angle) - 40 + 25;
+ qreal xs = 200 * qSin(angle) - 40 + 25;
+ qreal ys = 200 * qCos(angle) - 40 + 25;
m_lightSource->setPos(xs, ys);
for (int i = 0; i < m_items.size(); ++i) {
@@ -125,7 +126,7 @@ void Lighting::animate()
qreal dx = delta.x();
qreal dy = delta.y();
- qreal dd = sqrt(dx * dx + dy * dy);
+ qreal dd = qSqrt(dx * dx + dy * dy);
QColor color = effect->color();
color.setAlphaF(qBound(0.4, 1 - dd / 200.0, 0.7));
effect->setColor(color);