source/gui/CChart.h

   1 /* Copyright (C) 2017 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef INCLUDED_CCHART
  19 #define INCLUDED_CCHART
  20
  21 #include "GUI.h"
  22 #include "graphics/Color.h"
  23 #include "maths/Vector2D.h"
  24 #include <vector>
  25
  26
  27 struct CChartData
  28 {
  29         CColor m_Color;
  30         std::vector<CVector2D> m_Points;
  31 };
  32
  33 /**
  34  * Chart for a data visualization as lines or points
  35  *
  36  * @see IGUIObject
  37  */
  38 class CChart : public IGUIObject
  39 {
  40         GUI_OBJECT(CChart)
  41
  42 public:
  43         CChart();
  44         virtual ~CChart();
  45
  46 protected:
  47         /**
  48          * @see IGUIObject#HandleMessage()
  49          */
  50         virtual void HandleMessage(SGUIMessage& Message);
  51
  52         /**
  53          * Draws the Chart
  54          */
  55         virtual void Draw();
  56
  57         virtual CRect GetChartRect() const;
  58
  59         void UpdateSeries();
  60
  61         std::vector<CChartData> m_Series;
  62
  63 private:
  64         /**
  65          * Helper function
  66          */
  67         void DrawLine(const CShaderProgramPtr& shader, const CColor& color, const std::vector<float>& vertices) const;
  68 };
  69
  70 #endif // INCLUDED_CCHART