Initial version of QtDataVis3D

Includes:
- initial version of q3dbars
- an example using it

1 files changed, 60 insertions, 0 deletions

diff --git a/src/datavis3d/engine/q3dbars.h b/src/datavis3d/engine/q3dbars.h
new file mode 100644
index 00000000..c67d0ee9
--- /dev/null
+++ b/src/datavis3d/engine/q3dbars.h
@@ -0,0 +1,60 @@
+#ifndef Q3DBARS_H
+#define Q3DBARS_H
+
+#include "qdatavis3dglobal.h"
+#include "q3dwindow.h"
+
+class QOpenGLShaderProgram;
+
+QTCOMMERCIALDATAVIS3D_BEGIN_NAMESPACE
+
+class Q3DBarsPrivate;
+
+class QTCOMMERCIALDATAVIS3D_EXPORT Q3DBars : public Q3DWindow
+{
+    Q_OBJECT
+public:
+    enum BarStyle {
+        Bars = 0,
+        Pyramids,
+        Cones,
+        Cylinders,
+        Apes // TODO: remove; inserted now just for fun
+    };
+
+public:
+    explicit Q3DBars();
+    ~Q3DBars();
+
+    void initialize();
+    void render();
+
+    void addDataSet(QVector<float> data);
+    // bar thickness, spacing between bars, and is spacing relative to thickness or absolute
+    // y -component sets the thickness/spacing of z -direction
+    // With relative 0.0f means side-to-side, 1.0f = one thickness in between
+    void setBarSpecs(QPointF thickness = QPointF(1.0f, 1.0f)
+            , QPointF spacing = QPointF(1.0f, 1.0f)
+            , bool relative = true);
+    // bar type; bars (=cubes), pyramids, cones, cylinders, etc.
+    void setBarType(BarStyle style, bool smooth = false);
+    // override bar type with own mesh
+    void setMeshFileName(const QString &objFileName);
+    // how many samples per row and column
+    void setupSampleSpace(QPoint sampleCount);
+
+protected:
+    void mousePressEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+    void wheelEvent(QWheelEvent *event);
+    void resizeEvent(QResizeEvent *event);
+
+private:
+    QScopedPointer<Q3DBarsPrivate> d_ptr;
+    Q_DISABLE_COPY(Q3DBars)
+};
+
+QTCOMMERCIALDATAVIS3D_END_NAMESPACE
+
+#endif