1//
2// This file is part of the aMule Project.
3//
4// Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
5// Copyright (c) 2002-2011 Merkur ( devs@emule-project.net / http://www.emule-project.net )
6//
7// Any parts of this program derived from the xMule, lMule or eMule project,
8// or contributed by third-party developers are copyrighted by their
9// respective authors.
10//
11// This program is free software; you can redistribute it and/or modify
12// it under the terms of the GNU General Public License as published by
13// the Free Software Foundation; either version 2 of the License, or
14// (at your option) any later version.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
24//
25
26#ifndef OSCOPECTRL_H
27#define OSCOPECTRL_H
28
29#ifndef NULL
30#define NULL 0
31#endif
32
33#include <vector>
34#include <wx/control.h>		// Needed for wxControl
35#include <wx/timer.h>		// Needed for wxTimer
36#include <wx/pen.h>
37#include <wx/bitmap.h>
38#include <wx/colour.h>
39
40#include "Constants.h"		// Needed for StatsGraphType
41
42class wxMemoryDC;
43
44/////////////////////////////////////////////////////////////////////////////
45// COScopeCtrl window
46
47class COScopeCtrl : public wxControl
48{
49	friend class CStatisticsDlg;
50
51public:
52	COScopeCtrl(int NTrends, int nDecimals, StatsGraphType type, wxWindow* parent = NULL);
53	~COScopeCtrl();
54
55	void SetRange(float dLower, float dUpper, unsigned iTrend = 0);
56	void SetRanges(float dLower, float dUpper);
57	void SetYUnits(const wxString& string,
58		const wxString& YMin = wxEmptyString, const wxString& YMax = wxEmptyString);
59	void SetBackgroundColor(const wxColour& color);
60	void SetGridColor(const wxColour& color);
61	void SetPlotColor(const wxColour& color, unsigned iTrend = 0);
62	float GetUpperLimit()		{ return pdsTrends[0].fUpperLimit; }
63	void Reset(double sNewPeriod);
64	void Stop();
65	void RecreateGraph(bool bRefresh=true);
66	void RecreateGrid();
67	void AppendPoints(double sTimestamp, const std::vector<float *> &apf);
68	void DelayPoints()		{ nDelayedPoints++; }
69
70	StatsGraphType graph_type;
71
72public:
73	unsigned nTrends;
74	unsigned nXGrids;
75	unsigned nYGrids;
76	unsigned nShiftPixels;         // amount to shift with each new point
77	unsigned nYDecimals;
78
79	wxString strXUnits;
80	wxString strYUnits, strYMin, strYMax;
81	wxColour m_bgColour;
82	wxColour m_gridColour;
83
84	typedef struct PlotDataStruct {
85		wxColour crPlot;	       // data plot color
86		wxPen  penPlot;
87		unsigned yPrev;
88		float fPrev;
89		float fLowerLimit;         // lower bounds
90		float fUpperLimit;         // upper bounds
91		float fVertScale;
92	} PlotData_t ;
93
94
95protected:
96	DECLARE_EVENT_TABLE()
97	PlotData_t *pdsTrends;
98
99	wxRect	m_rectClient;
100	wxRect	m_rectPlot;
101	wxBrush	brushBack;
102	wxBitmap m_bmapGrid;
103	wxBitmap m_bmapPlot;
104
105	void InvalidateGraph()	{ InvalidateCtrl(true, false); }
106	void InvalidateGrid()	{ InvalidateCtrl(false, true); }
107
108private:
109	bool bRecreateGrid, bRecreateGraph, bRecreateAll, bStopped;
110	int nDelayedPoints;
111	double sLastTimestamp;
112	double sLastPeriod;
113	wxTimer timerRedraw;
114	bool m_onPaint;
115
116	void OnTimer(wxTimerEvent& evt);
117	void OnPaint(wxPaintEvent& evt);
118	void OnSize(wxSizeEvent& evt);
119	void ShiftGraph(unsigned cntPoints);
120	void PlotHistory(unsigned cntPoints, bool bShiftGraph, bool bRefresh);
121	void DrawPoints(const std::vector<float *> &apf, unsigned cntPoints);
122	unsigned GetPlotY(float fPlot, PlotData_t* ppds);
123	void InvalidateCtrl(bool bInvalidateGraph = true, bool bInvalidateGrid = true);
124};
125
126#endif // OSCOPECTRL_H
127// File_checked_for_headers
128