Refactored and renamed to RuiLineSegmentQwtPlotCurve

ApplicationCode/UserInterface/RiuLineSegmentQwtPlotCurve.h

@@ -0,0 +1,63 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2015-     Statoil ASA
+//  Copyright (C) 2015-     Ceetron Solutions AS
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "qwt_plot_curve.h"
+
+#include <vector>
+
+class RigWellLogCurveData;
+
+//==================================================================================================
+//
+// The PlotCurve class is able to draw a curve using line segments. If inf data is present 
+// in the curve data, Qwt is not able to draw a nice curve. This class assumes that inf data is removed, 
+// and segments to be draw are indicated by start/stop indices into curve data.
+//
+//  Here you can see the curve segments visualized. Curve segments are drawn between vector indices.
+//
+//  0 - 1
+//  5 - 7
+//  9 -10
+//
+//                  *                   *
+//                /                   /   \
+//  Curve       *                   *       *      *---*
+//
+//  Values     1.0|2.0|inf|inf|inf|1.0|2.0|1.0|inf|1.0|1.0
+//  Vec index   0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
+//==================================================================================================
+class RiuLineSegmentQwtPlotCurve : public QwtPlotCurve
+{
+public:
+    RiuLineSegmentQwtPlotCurve();
+    virtual ~RiuLineSegmentQwtPlotCurve();
+
+    void setCurveData(const RigWellLogCurveData* curveData);
+    void setCurveData(const std::vector<double>& xValues, const std::vector<double>& yValues, const std::vector< std::pair<size_t, size_t> >& lineSegmentStartStopIndices);
+
+protected:
+    virtual void drawCurve(QPainter* p, int style,
+                            const QwtScaleMap& xMap, const QwtScaleMap& yMap,
+                            const QRectF& canvasRect, int from, int to) const;
+ 
+private:
+    std::vector< std::pair<size_t, size_t> >    m_polyLineStartStopIndices;
+};