Introducing a property for antialiasing

With this property antialiasing can be enabled and disabled on the viewport
when renderMode() == BufferedRender.

Change-Id: If811f3141d032103a2495e7624386991cb500cfd
Reviewed-by: James Turner <james.turner@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

2 files changed, 30 insertions, 0 deletions

diff --git a/src/imports/threed/viewport.cpp b/src/imports/threed/viewport.cpp
index 51a8873e5..9e506f283 100644
--- a/src/imports/threed/viewport.cpp
+++ b/src/imports/threed/viewport.cpp
@@ -675,6 +675,30 @@ void Viewport::setBlending(bool value)
 }
 
 /*!
+    \qmlproperty bool Viewport::antialiasing
+
+    The antialiasing property is used to enable or disable antialiasing
+    on the viewport. This property only has an effect if renderMode() == BufferedRender.
+    For renderMode() == DirectRender antialiasing can be enabled by setting the
+    QSurfaceFormat.
+
+    By default, antialiasing is set to false.
+*/
+bool Viewport::antialiasing() const
+{
+    return QQuickPaintedItem::antialiasing();
+}
+
+void Viewport::setAntialiasing(bool value)
+{
+    if (value != QQuickPaintedItem::antialiasing()) {
+        QQuickPaintedItem::setAntialiasing(value);
+        Q_EMIT antialiasingChanged();
+    }
+}
+
+
+/*!
     \qmlproperty Camera Viewport::camera
 
     This property sets the camera parameters which will be used for
diff --git a/src/imports/threed/viewport.h b/src/imports/threed/viewport.h
index ddc9f655a..bc586c3ed 100644
--- a/src/imports/threed/viewport.h
+++ b/src/imports/threed/viewport.h
@@ -71,6 +71,8 @@ class Viewport : public QQuickPaintedItem, public QQuickViewport
     Q_PROPERTY(QGLCamera *camera READ camera WRITE setCamera)
     Q_PROPERTY(QGLLightParameters *light READ light WRITE setLight NOTIFY viewportChanged)
     Q_PROPERTY(QGLLightModel *lightModel READ lightModel WRITE setLightModel NOTIFY viewportChanged)
+    Q_PROPERTY(bool antialiasing READ antialiasing WRITE setAntialiasing NOTIFY antialiasingChanged)
+
 public:
     enum RenderMode
     {
@@ -103,6 +105,9 @@ public:
     bool blending() const;
     void setBlending(bool value);
 
+    bool antialiasing() const;
+    void setAntialiasing(bool value);
+
     QGLCamera *camera() const;
     void setCamera(QGLCamera *value);
 
@@ -123,6 +128,7 @@ public:
 Q_SIGNALS:
     void viewportChanged();
     void showSceneGraphChanged();
+    void antialiasingChanged();
 
 public Q_SLOTS:
     void update3d();