1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* Copyright (C) 2018 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_CCHART
#define INCLUDED_CCHART
#include "GUI.h"
#include "IGUITextOwner.h"
#include "graphics/Color.h"
#include "maths/Vector2D.h"
#include <vector>
struct CChartData
{
CColor m_Color;
std::vector<CVector2D> m_Points;
};
/**
* Chart for a data visualization as lines or points
*
* @see IGUIObject
*/
class CChart : public IGUITextOwner
{
GUI_OBJECT(CChart)
public:
CChart();
virtual ~CChart();
protected:
/**
* @see IGUIObject#HandleMessage()
*/
virtual void HandleMessage(SGUIMessage& Message);
/**
* Draws the Chart
*/
virtual void Draw();
virtual CRect GetChartRect() const;
void UpdateSeries();
void SetupText();
std::vector<CChartData> m_Series;
CVector2D m_LeftBottom, m_RightTop;
CStrW m_FormatX, m_FormatY;
std::vector<CPos> m_TextPositions;
float m_AxisWidth;
bool m_EqualX, m_EqualY;
private:
/**
* Helper functions
*/
void DrawLine(const CShaderProgramPtr& shader, const CColor& color, const std::vector<float>& vertices) const;
// Draws the triangle sequence so that the each next triangle has a common edge with the previous one.
// If we need to draw n triangles, we need only n + 2 points.
void DrawTriangleStrip(const CShaderProgramPtr& shader, const CColor& color, const std::vector<float>& vertices) const;
// Represents axes as triangles and draws them with DrawTriangleStrip.
void DrawAxes(const CShaderProgramPtr& shader) const;
CSize AddFormattedValue(const CStrW& format, const float value, const CStrW& font, const float buffer_zone);
void UpdateBounds();
};
#endif // INCLUDED_CCHART
|
