Implement volume rendering support

New subclass of QCustom3DItem, QCustom3DVolume is provided.
The documentation for the example will be done in a separate commit.

Change-Id: Idb3fdb0654c6bec7606ca012b75852a5a8412397
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/tests/volumetrictest/volumetrictest.h b/tests/volumetrictest/volumetrictest.h
new file mode 100644
index 00000000..677a1231
--- /dev/null
+++ b/tests/volumetrictest/volumetrictest.h
@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVisualization module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+#ifndef VOLUMETRICMODIFIER_H
+#define VOLUMETRICMODIFIER_H
+
+#include <QtDataVisualization/q3dscatter.h>
+#include <QtDataVisualization/qcustom3dvolume.h>
+
+class QLabel;
+
+using namespace QtDataVisualization;
+
+class VolumetricModifier : public QObject
+{
+    Q_OBJECT
+public:
+    explicit VolumetricModifier(Q3DScatter *scatter);
+    ~VolumetricModifier();
+
+    void setFpsLabel(QLabel *fpsLabel);
+
+public slots:
+    void sliceX(int enabled);
+    void sliceY(int enabled);
+    void sliceZ(int enabled);
+    void adjustSliceX(int value);
+    void adjustSliceY(int value);
+    void adjustSliceZ(int value);
+    void handleZoomLevelChange();
+    void handleFpsChange(qreal fps);
+
+private:
+    void createVolume();
+    void createAnotherVolume();
+
+    Q3DScatter *m_graph;
+    QCustom3DVolume *m_volumeItem;
+    QCustom3DVolume *m_volumeItem2;
+    int m_sliceIndexX;
+    int m_sliceIndexY;
+    int m_sliceIndexZ;
+    QLabel *m_fpsLabel;
+};
+
+#endif