vladislavbelov
a1c4c23ce4
Comments By: elexis, Imarok Reviewed By: s0600204 Trac Tickets: #4892 Differential Revision: https://code.wildfiregames.com/D474 This was SVN commit r21429.
95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/* Copyright (C) 2018 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_CCHART
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#define INCLUDED_CCHART
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#include "GUI.h"
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#include "IGUITextOwner.h"
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#include "graphics/Color.h"
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#include "maths/Vector2D.h"
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#include <vector>
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struct CChartData
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{
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CColor m_Color;
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std::vector<CVector2D> m_Points;
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};
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/**
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* Chart for a data visualization as lines or points
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*
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* @see IGUIObject
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*/
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class CChart : public IGUITextOwner
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{
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GUI_OBJECT(CChart)
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public:
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CChart();
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virtual ~CChart();
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protected:
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/**
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* @see IGUIObject#HandleMessage()
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*/
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virtual void HandleMessage(SGUIMessage& Message);
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/**
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* Draws the Chart
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*/
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virtual void Draw();
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virtual CRect GetChartRect() const;
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void UpdateSeries();
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void SetupText();
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std::vector<CChartData> m_Series;
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CVector2D m_LeftBottom, m_RightTop;
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CStrW m_FormatX, m_FormatY;
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std::vector<CPos> m_TextPositions;
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float m_AxisWidth;
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bool m_EqualX, m_EqualY;
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private:
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/**
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* Helper functions
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*/
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void DrawLine(const CShaderProgramPtr& shader, const CColor& color, const std::vector<float>& vertices) const;
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// Draws the triangle sequence so that the each next triangle has a common edge with the previous one.
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// If we need to draw n triangles, we need only n + 2 points.
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void DrawTriangleStrip(const CShaderProgramPtr& shader, const CColor& color, const std::vector<float>& vertices) const;
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// Represents axes as triangles and draws them with DrawTriangleStrip.
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void DrawAxes(const CShaderProgramPtr& shader) const;
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CSize AddFormattedValue(const CStrW& format, const float value, const CStrW& font, const float buffer_zone);
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void UpdateBounds();
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};
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#endif // INCLUDED_CCHART
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