Changeset 208 for trunk/src/simple_pie_plot.h

Timestamp:

08/17/2009 08:42:41 PM (3 years ago)

Author:

guyru

Message:

Render legend in the SimplePiePlot? widget

File:

• trunk/src/simple_pie_plot.h (modified) (2 diffs)

trunk/src/simple_pie_plot.h

@@ -32 +32 @@
                  const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
                  long style = wxNO_BORDER, const wxString& name = wxPanelNameStr);
-        void SetData(std::vector<double> d);
+        void SetData(std::vector<double> d, std::vector<wxString> labels);
         void OnPaint(wxPaintEvent& event);
         void OnResize(wxSizeEvent& event);
         void OnMouseLeaveWindow(wxMouseEvent& event);
         void OnMouseMove(wxMouseEvent& event);
+        wxSize GetMinSize() const;
 private:
         /**
@@ -44 +45 @@
         wxColour GetSegmentColor(int i);
 
+        /**
+         * Calculate the angles in the plot and populate the m_angles array.
+         */
+        void CalculateAngles();
+
+        /**
+         * Calculate the maximum widht and height for a label in the legend.
+         */
+        void CalculateLegendDimensions(wxGraphicsContext *dc);
+
+        /**
+         * Calculate the location and radius of the pie plot.
+         */
+        void CalculatePiePlotLocation();
+
+        void DrawLegend(wxGraphicsContext *dc);
+
         void Highlight(int i);
         void ClearHighlight();
 
         std::vector<double> m_data;
+        std::vector<wxString> m_labels;
         std::vector<double> m_angles;
         double m_data_total;
         int m_highlight;
+
+        /// maximum width for a label in the legend.
+        double m_max_legend_width;
+        /// maximum height for a label in the legend.
+        double m_max_legend_height;
+        /// total width of the legend
+        double m_legend_width;
+        /// the line height of each legend entry including padding
+        double m_legend_line_height;
+
+        static const double m_legend_left_padding = 10;
+
+        // The center point of the pie plot
+        double m_pie_x;
+        double m_pie_y;
+        double m_radius;
+
 };