Add support for Hue adjustment to QCameraImageProcessing

Change-Id: I99dda60c2118972efd6d703de57cb43d0a1f0be5
Reviewed-by: Doris Verria <doris.verria@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

2 files changed, 25 insertions, 1 deletions

diff --git a/src/multimedia/camera/qcameraimageprocessing.cpp b/src/multimedia/camera/qcameraimageprocessing.cpp
index dff580274..9da9e6c88 100644
--- a/src/multimedia/camera/qcameraimageprocessing.cpp
+++ b/src/multimedia/camera/qcameraimageprocessing.cpp
@@ -261,7 +261,28 @@ void QCameraImageProcessing::setSaturation(qreal value)
     Q_D(QCameraImageProcessing);
     if (d->imageControl)
         d->imageControl->setParameter(QPlatformCameraImageProcessing::SaturationAdjustment,
-                                         QVariant(value));
+                                      QVariant(value));
+}
+
+qreal QCameraImageProcessing::hue() const
+{
+    Q_D(const QCameraImageProcessing);
+    if (!d->imageControl)
+        return 0.;
+    return d->imageControl->parameter(QPlatformCameraImageProcessing::HueAdjustment).toReal();
+}
+
+/*!
+    Sets the hue adjustment value to \a value.
+
+    Valid hue values range between -1.0 and 1.0, with a default of 0.
+*/
+void QCameraImageProcessing::setHue(qreal value)
+{
+    Q_D(QCameraImageProcessing);
+    if (d->imageControl)
+        d->imageControl->setParameter(QPlatformCameraImageProcessing::HueAdjustment,
+                                      QVariant(value));
 }
 
 /*!
diff --git a/src/multimedia/camera/qcameraimageprocessing.h b/src/multimedia/camera/qcameraimageprocessing.h
index 5ddd51f77..8370d9a3a 100644
--- a/src/multimedia/camera/qcameraimageprocessing.h
+++ b/src/multimedia/camera/qcameraimageprocessing.h
@@ -104,6 +104,9 @@ public:
     qreal saturation() const;
     void setSaturation(qreal value);
 
+    qreal hue() const;
+    void setHue(qreal value);
+
     ColorFilter colorFilter() const;
     void setColorFilter(ColorFilter filter);
     bool isColorFilterSupported(ColorFilter filter) const;