Change 18603 on 2012/09/11 by fredrik@fredrik_MBP-BootCamp

Added glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, GL_LOWER_LEFT); to get proper orientation of textures on point sprites

ApplicationCode/UserInterface/RiuSimpleHistogramWidget.h

@@ -0,0 +1,37 @@
+#include <QWidget>
+class QPaintEvent;
+class QString;
+class QStringList;
+
+
+class RiuSimpleHistogramWidget : public QWidget
+{
+public:
+    RiuSimpleHistogramWidget( QWidget * parent = 0, Qt::WindowFlags f = 0);
+
+    void                setHistogramData(double min, double max, const std::vector<size_t>& histogram);
+    void                setPercentiles(double pmin, double pmax) {m_minPercentile = pmin; m_maxPercentile = pmax;}
+
+protected:
+     virtual void       paintEvent(QPaintEvent* event);
+
+private:
+    void                draw(QPainter *painter,int x, int y, int width, int height );
+
+    int                 xPosFromColIdx(size_t colIdx)          { return  (int)(m_x + 1 + (m_width - 2 ) * colIdx/m_histogramData.size());}
+    int                 yPosFromCount(size_t colHeight)        { return  (int)(m_y + m_height - 1 - (m_height - 3 ) * colHeight/m_maxHistogramCount);}
+
+    int                 xPosFromDomainValue(double value) { double range = m_max - m_min; return  (range == 0.0) ? (m_x + 1) : (int)(m_x + 1 + (m_width - 2 ) * (value - m_min)/(m_max - m_min));}
+
+    std::vector<size_t> m_histogramData;
+    double              m_max;
+    double              m_min;
+    double              m_minPercentile;
+    double              m_maxPercentile;
+    size_t              m_maxHistogramCount;
+
+    double              m_width;
+    double              m_height;
+    double              m_x;
+    double              m_y;
+};